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Convert horizontal profile statistic bars to circular ones

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Oracle 2026-05-02 19:05:26 +02:00
parent c17d6b6b70
commit d9c27b4353
Signed by: Oracle
SSH key fingerprint: SHA256:x4/RtnjUyuHkdvmwNDsWSfcfF1V5PNr3OpriZqOvCX8
18 changed files with 167 additions and 191 deletions
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dist/challenges/1/index.html vendored
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<!DOCTYPE html><html lang="en" class="dark" data-astro-cid-sckkx6r4> <head><meta charset="UTF-8"><meta name="viewport" content="width=device-width"><link rel="icon" type="image/svg+xml" href="/favicon.svg"><meta name="generator" content="Astro v6.1.7"><title>PR Dojo - Code Review Practice</title><link rel="stylesheet" href="/_astro/Layout.slfrh7tA.css">
<!DOCTYPE html><html lang="en" class="dark" data-astro-cid-sckkx6r4> <head><meta charset="UTF-8"><meta name="viewport" content="width=device-width"><link rel="icon" type="image/svg+xml" href="/favicon.svg"><meta name="generator" content="Astro v6.1.7"><title>PR Dojo - Code Review Practice</title><link rel="stylesheet" href="/_astro/Layout.CLiT21to.css">
<style>tr[data-astro-cid-2ex44dsa]{line-height:1.6}tr[data-astro-cid-2ex44dsa]:hover{background-color:#161b22}td[data-astro-cid-2ex44dsa]:first-child{border-right:1px solid #30363d}tr[data-astro-cid-2ex44dsa].bugged td[data-astro-cid-2ex44dsa]:first-child{border-left:3px solid #f85149}tr[data-astro-cid-2ex44dsa].bugged .line-number[data-astro-cid-2ex44dsa]{color:#f85149}tr[data-astro-cid-2ex44dsa].bugged{background-color:#f8514918}.diff-viewer-container[data-astro-cid-2ex44dsa]:not(.revealed) tr[data-astro-cid-2ex44dsa].bugged .line-number[data-astro-cid-2ex44dsa].has-hint-color{color:#f85149!important}.diff-viewer-container[data-astro-cid-2ex44dsa]:not(.revealed) tr[data-astro-cid-2ex44dsa]:not(.bugged) span[data-astro-cid-2ex44dsa].line-number.has-hint-color{color:#8b949e!important;font-weight:400!important}.diff-viewer-container[data-astro-cid-2ex44dsa].revealed tr[data-astro-cid-2ex44dsa].bugged .hint[data-astro-cid-2ex44dsa]{display:inline}.diff-viewer-container[data-astro-cid-2ex44dsa]:not(.revealed) td[data-astro-cid-2ex44dsa]>span[data-astro-cid-2ex44dsa].has-hint-bg{background-color:transparent!important}#fix-editor-container[data-astro-cid-7fgtuneg] textarea[data-astro-cid-7fgtuneg]{resize:vertical;min-height:48px}
</style></head> <body data-astro-cid-sckkx6r4> <div class="min-h-screen" data-astro-cid-7fgtuneg> <!-- Header --> <header class="bg-[#161b22] border-b border-[#30363d]" data-astro-cid-7fgtuneg> <div class="max-w-6xl mx-auto px-4 py-3 flex items-center gap-4" data-astro-cid-7fgtuneg> <a href="/" class="text-[#58a6ff] text-sm font-medium no-underline focus:outline-none focus:ring-0" data-astro-cid-7fgtuneg>← Back to Challenges</a> <span class="text-[#8b949e] text-sm" data-astro-cid-7fgtuneg>/ Challenge #2</span> </div> </header> <main class="max-w-6xl mx-auto px-4 py-6" data-astro-cid-7fgtuneg> <!-- Challenge Header --> <div class="bg-[#161b22] border border-[#30363d] rounded-md p-6 mb-6" data-astro-cid-7fgtuneg> <div class="flex justify-between items-start mb-4" data-astro-cid-7fgtuneg> <div data-astro-cid-7fgtuneg> <h1 class="text-2xl font-semibold text-[#c9d1d9] mb-2 no-underline" data-astro-cid-7fgtuneg>Null Pointer Dereference in User Service</h1> <div class="mb-4" data-astro-cid-7fgtuneg> <span class="text-[#79c0ff] text-xl no-underline" data-astro-cid-7fgtuneg>★★☆☆☆</span> </div> <div class="flex flex-wrap items-center gap-4 text-sm" data-astro-cid-7fgtuneg> <span class="text-[#8b949e]" data-astro-cid-7fgtuneg>📁 <span class="text-[#a5d6ff]" data-astro-cid-7fgtuneg>expressjs/express</span></span> <span class="text-[#8b949e]" data-astro-cid-7fgtuneg>🔢 <code class="bg-[#21262d] px-2 py-0.5 rounded text-xs" data-astro-cid-7fgtuneg>def5678</code></span> <span class="px-2 py-0.5 bg-[#0a3064] rounded text-xs text-[#79c0ff]" data-astro-cid-7fgtuneg>Null Pointer</span> </div> </div> <div class="text-right" data-astro-cid-7fgtuneg> <div class="text-[#79c0ff] text-lg mb-1 no-underline" data-astro-cid-7fgtuneg>★★☆☆☆</div> <div class="text-xs text-[#8b949e]" data-astro-cid-7fgtuneg>Difficulty</div> </div> </div> <div class="bg-[#0a3064] rounded p-3 flex items-center gap-2" data-astro-cid-7fgtuneg> <svg class="w-5 h-5 text-[#58a6ff]" fill="currentColor" viewBox="0 0 20 20" data-astro-cid-7fgtuneg> <path d="M10 18a8 8 0 100-16 8 8 0 000 16zm1-11a1 1 0 10-2 0v2H7a1 1 0 100 2h2v2a1 1 0 102 0v-2h2a1 1 0 100-2h-2V7z" data-astro-cid-7fgtuneg></path> </svg> <span class="text-[#79c0ff] font-semibold" data-astro-cid-7fgtuneg>+75 XP reward</span> </div> </div> <!-- Code Viewer --> <div id="dv-mry7iyc" class="diff-viewer-container" data-dv-id="dv-mry7iyc" data-astro-cid-2ex44dsa> <div class="bg-[#0d1117] border border-[#30363d] rounded-md overflow-hidden" data-astro-cid-2ex44dsa> <div class="bg-[#161b22] px-4 py-3 border-b border-[#30363d]" data-astro-cid-2ex44dsa> <span class="text-sm text-[#8b949e]" data-astro-cid-2ex44dsa>file.js</span> </div> <div class="overflow-x-auto" data-astro-cid-2ex44dsa> <table class="w-full font-mono text-sm" data-astro-cid-2ex44dsa> <tbody data-astro-cid-2ex44dsa> <tr data-line="1" class="group hover:bg-[#161b22] cursor-pointer transition-colors" title="Mark line 1 as buggy" data-astro-cid-2ex44dsa> <td class="w-16 text-right pr-4 select-none" data-astro-cid-2ex44dsa> <span class="text-[#8b949e] line-number " data-astro-cid-2ex44dsa> 1 </span> </td> <td class="px-4 py-0.5 whitespace-pre" data-astro-cid-2ex44dsa> <span class="text-[#e6edf3] " data-astro-cid-2ex44dsa> function getUserProfile(userId) { </span> </td> </tr><tr data-line="2" class="group hover:bg-[#161b22] cursor-pointer transition-colors" title="Mark line 2 as buggy" data-astro-cid-2ex44dsa> <td class="w-16 text-right pr-4 select-none" data-astro-cid-2ex44dsa> <span class="text-[#8b949e] line-number " data-astro-cid-2ex44dsa> 2 </span> </td> <td class="px-4 py-0.5 whitespace-pre" data-astro-cid-2ex44dsa> <span class="text-[#e6edf3] " data-astro-cid-2ex44dsa> const user = database.findUser(userId); </span> </td> </tr><tr data-line="3" class="group hover:bg-[#161b22] cursor-pointer transition-colors" title="Mark line 3 as buggy" data-astro-cid-2ex44dsa> <td class="w-16 text-right pr-4 select-none" data-astro-cid-2ex44dsa> <span class="text-[#8b949e] line-number has-hint-color" data-astro-cid-2ex44dsa> 3 </span> </td> <td class="px-4 py-0.5 whitespace-pre" data-astro-cid-2ex44dsa> <span class="text-[#e6edf3] has-hint-bg bg-[#ff7b7233] px-2 -mx-2" data-astro-cid-2ex44dsa> return { </span> <span class="ml-2 hint text-[#79c0ff] text-xs hidden" data-astro-cid-2ex44dsa>
</style></head> <body data-astro-cid-sckkx6r4> <div class="min-h-screen" data-astro-cid-7fgtuneg> <!-- Header --> <header class="bg-[#161b22] border-b border-[#30363d]" data-astro-cid-7fgtuneg> <div class="max-w-6xl mx-auto px-4 py-3 flex items-center gap-4" data-astro-cid-7fgtuneg> <a href="/" class="text-[#58a6ff] text-sm font-medium no-underline focus:outline-none focus:ring-0" data-astro-cid-7fgtuneg>← Back to Challenges</a> <span class="text-[#8b949e] text-sm" data-astro-cid-7fgtuneg>/ Challenge #2</span> </div> </header> <main class="max-w-6xl mx-auto px-4 py-6" data-astro-cid-7fgtuneg> <!-- Challenge Header --> <div class="bg-[#161b22] border border-[#30363d] rounded-md p-6 mb-6" data-astro-cid-7fgtuneg> <div class="flex justify-between items-start mb-4" data-astro-cid-7fgtuneg> <div data-astro-cid-7fgtuneg> <h1 class="text-2xl font-semibold text-[#c9d1d9] mb-2 no-underline" data-astro-cid-7fgtuneg>Null Pointer Dereference in User Service</h1> <div class="mb-4" data-astro-cid-7fgtuneg> <span class="text-[#79c0ff] text-xl no-underline" data-astro-cid-7fgtuneg>★★☆☆☆</span> </div> <div class="flex flex-wrap items-center gap-4 text-sm" data-astro-cid-7fgtuneg> <span class="text-[#8b949e]" data-astro-cid-7fgtuneg>📁 <span class="text-[#a5d6ff]" data-astro-cid-7fgtuneg>expressjs/express</span></span> <span class="text-[#8b949e]" data-astro-cid-7fgtuneg>🔢 <code class="bg-[#21262d] px-2 py-0.5 rounded text-xs" data-astro-cid-7fgtuneg>def5678</code></span> <span class="px-2 py-0.5 bg-[#0a3064] rounded text-xs text-[#79c0ff]" data-astro-cid-7fgtuneg>Null Pointer</span> </div> </div> <div class="text-right" data-astro-cid-7fgtuneg> <div class="text-[#79c0ff] text-lg mb-1 no-underline" data-astro-cid-7fgtuneg>★★☆☆☆</div> <div class="text-xs text-[#8b949e]" data-astro-cid-7fgtuneg>Difficulty</div> </div> </div> <div class="bg-[#0a3064] rounded p-3 flex items-center gap-2" data-astro-cid-7fgtuneg> <svg class="w-5 h-5 text-[#58a6ff]" fill="currentColor" viewBox="0 0 20 20" data-astro-cid-7fgtuneg> <path d="M10 18a8 8 0 100-16 8 8 0 000 16zm1-11a1 1 0 10-2 0v2H7a1 1 0 100 2h2v2a1 1 0 102 0v-2h2a1 1 0 100-2h-2V7z" data-astro-cid-7fgtuneg></path> </svg> <span class="text-[#79c0ff] font-semibold" data-astro-cid-7fgtuneg>+75 XP reward</span> </div> </div> <!-- Code Viewer --> <div id="dv-1ycdkte" class="diff-viewer-container" data-dv-id="dv-1ycdkte" data-astro-cid-2ex44dsa> <div class="bg-[#0d1117] border border-[#30363d] rounded-md overflow-hidden" data-astro-cid-2ex44dsa> <div class="bg-[#161b22] px-4 py-3 border-b border-[#30363d]" data-astro-cid-2ex44dsa> <span class="text-sm text-[#8b949e]" data-astro-cid-2ex44dsa>file.js</span> </div> <div class="overflow-x-auto" data-astro-cid-2ex44dsa> <table class="w-full font-mono text-sm" data-astro-cid-2ex44dsa> <tbody data-astro-cid-2ex44dsa> <tr data-line="1" class="group hover:bg-[#161b22] cursor-pointer transition-colors" title="Mark line 1 as buggy" data-astro-cid-2ex44dsa> <td class="w-16 text-right pr-4 select-none" data-astro-cid-2ex44dsa> <span class="text-[#8b949e] line-number " data-astro-cid-2ex44dsa> 1 </span> </td> <td class="px-4 py-0.5 whitespace-pre" data-astro-cid-2ex44dsa> <span class="text-[#e6edf3] " data-astro-cid-2ex44dsa> function getUserProfile(userId) { </span> </td> </tr><tr data-line="2" class="group hover:bg-[#161b22] cursor-pointer transition-colors" title="Mark line 2 as buggy" data-astro-cid-2ex44dsa> <td class="w-16 text-right pr-4 select-none" data-astro-cid-2ex44dsa> <span class="text-[#8b949e] line-number " data-astro-cid-2ex44dsa> 2 </span> </td> <td class="px-4 py-0.5 whitespace-pre" data-astro-cid-2ex44dsa> <span class="text-[#e6edf3] " data-astro-cid-2ex44dsa> const user = database.findUser(userId); </span> </td> </tr><tr data-line="3" class="group hover:bg-[#161b22] cursor-pointer transition-colors" title="Mark line 3 as buggy" data-astro-cid-2ex44dsa> <td class="w-16 text-right pr-4 select-none" data-astro-cid-2ex44dsa> <span class="text-[#8b949e] line-number has-hint-color" data-astro-cid-2ex44dsa> 3 </span> </td> <td class="px-4 py-0.5 whitespace-pre" data-astro-cid-2ex44dsa> <span class="text-[#e6edf3] has-hint-bg bg-[#ff7b7233] px-2 -mx-2" data-astro-cid-2ex44dsa> return { </span> <span class="ml-2 hint text-[#79c0ff] text-xs hidden" data-astro-cid-2ex44dsa>
• No null check before accessing user properties </span> </td> </tr><tr data-line="4" class="group hover:bg-[#161b22] cursor-pointer transition-colors" title="Mark line 4 as buggy" data-astro-cid-2ex44dsa> <td class="w-16 text-right pr-4 select-none" data-astro-cid-2ex44dsa> <span class="text-[#8b949e] line-number " data-astro-cid-2ex44dsa> 4 </span> </td> <td class="px-4 py-0.5 whitespace-pre" data-astro-cid-2ex44dsa> <span class="text-[#e6edf3] " data-astro-cid-2ex44dsa> name: user.name, </span> </td> </tr><tr data-line="5" class="group hover:bg-[#161b22] cursor-pointer transition-colors" title="Mark line 5 as buggy" data-astro-cid-2ex44dsa> <td class="w-16 text-right pr-4 select-none" data-astro-cid-2ex44dsa> <span class="text-[#8b949e] line-number " data-astro-cid-2ex44dsa> 5 </span> </td> <td class="px-4 py-0.5 whitespace-pre" data-astro-cid-2ex44dsa> <span class="text-[#e6edf3] " data-astro-cid-2ex44dsa> email: user.email, </span> </td> </tr><tr data-line="6" class="group hover:bg-[#161b22] cursor-pointer transition-colors" title="Mark line 6 as buggy" data-astro-cid-2ex44dsa> <td class="w-16 text-right pr-4 select-none" data-astro-cid-2ex44dsa> <span class="text-[#8b949e] line-number has-hint-color" data-astro-cid-2ex44dsa> 6 </span> </td> <td class="px-4 py-0.5 whitespace-pre" data-astro-cid-2ex44dsa> <span class="text-[#e6edf3] has-hint-bg bg-[#ff7b7233] px-2 -mx-2" data-astro-cid-2ex44dsa> profile: user.profile.displayName </span> <span class="ml-2 hint text-[#79c0ff] text-xs hidden" data-astro-cid-2ex44dsa>
• Potential null pointer on user.profile </span> </td> </tr><tr data-line="7" class="group hover:bg-[#161b22] cursor-pointer transition-colors" title="Mark line 7 as buggy" data-astro-cid-2ex44dsa> <td class="w-16 text-right pr-4 select-none" data-astro-cid-2ex44dsa> <span class="text-[#8b949e] line-number " data-astro-cid-2ex44dsa> 7 </span> </td> <td class="px-4 py-0.5 whitespace-pre" data-astro-cid-2ex44dsa> <span class="text-[#e6edf3] " data-astro-cid-2ex44dsa> }; </span> </td> </tr><tr data-line="8" class="group hover:bg-[#161b22] cursor-pointer transition-colors" title="Mark line 8 as buggy" data-astro-cid-2ex44dsa> <td class="w-16 text-right pr-4 select-none" data-astro-cid-2ex44dsa> <span class="text-[#8b949e] line-number " data-astro-cid-2ex44dsa> 8 </span> </td> <td class="px-4 py-0.5 whitespace-pre" data-astro-cid-2ex44dsa> <span class="text-[#e6edf3] " data-astro-cid-2ex44dsa> } </span> </td> </tr> </tbody> </table> </div> </div> </div> <script client:load>
(() => {

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dist/challenges/3/index.html vendored
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<!DOCTYPE html><html lang="en" class="dark" data-astro-cid-sckkx6r4> <head><meta charset="UTF-8"><meta name="viewport" content="width=device-width"><link rel="icon" type="image/svg+xml" href="/favicon.svg"><meta name="generator" content="Astro v6.1.7"><title>PR Dojo - Code Review Practice</title><link rel="stylesheet" href="/_astro/Layout.slfrh7tA.css">
<!DOCTYPE html><html lang="en" class="dark" data-astro-cid-sckkx6r4> <head><meta charset="UTF-8"><meta name="viewport" content="width=device-width"><link rel="icon" type="image/svg+xml" href="/favicon.svg"><meta name="generator" content="Astro v6.1.7"><title>PR Dojo - Code Review Practice</title><link rel="stylesheet" href="/_astro/Layout.CLiT21to.css">
<style>tr[data-astro-cid-2ex44dsa]{line-height:1.6}tr[data-astro-cid-2ex44dsa]:hover{background-color:#161b22}td[data-astro-cid-2ex44dsa]:first-child{border-right:1px solid #30363d}tr[data-astro-cid-2ex44dsa].bugged td[data-astro-cid-2ex44dsa]:first-child{border-left:3px solid #f85149}tr[data-astro-cid-2ex44dsa].bugged .line-number[data-astro-cid-2ex44dsa]{color:#f85149}tr[data-astro-cid-2ex44dsa].bugged{background-color:#f8514918}.diff-viewer-container[data-astro-cid-2ex44dsa]:not(.revealed) tr[data-astro-cid-2ex44dsa].bugged .line-number[data-astro-cid-2ex44dsa].has-hint-color{color:#f85149!important}.diff-viewer-container[data-astro-cid-2ex44dsa]:not(.revealed) tr[data-astro-cid-2ex44dsa]:not(.bugged) span[data-astro-cid-2ex44dsa].line-number.has-hint-color{color:#8b949e!important;font-weight:400!important}.diff-viewer-container[data-astro-cid-2ex44dsa].revealed tr[data-astro-cid-2ex44dsa].bugged .hint[data-astro-cid-2ex44dsa]{display:inline}.diff-viewer-container[data-astro-cid-2ex44dsa]:not(.revealed) td[data-astro-cid-2ex44dsa]>span[data-astro-cid-2ex44dsa].has-hint-bg{background-color:transparent!important}#fix-editor-container[data-astro-cid-7fgtuneg] textarea[data-astro-cid-7fgtuneg]{resize:vertical;min-height:48px}
</style></head> <body data-astro-cid-sckkx6r4> <div class="min-h-screen" data-astro-cid-7fgtuneg> <!-- Header --> <header class="bg-[#161b22] border-b border-[#30363d]" data-astro-cid-7fgtuneg> <div class="max-w-6xl mx-auto px-4 py-3 flex items-center gap-4" data-astro-cid-7fgtuneg> <a href="/" class="text-[#58a6ff] text-sm font-medium no-underline focus:outline-none focus:ring-0" data-astro-cid-7fgtuneg>← Back to Challenges</a> <span class="text-[#8b949e] text-sm" data-astro-cid-7fgtuneg>/ Challenge #3</span> </div> </header> <main class="max-w-6xl mx-auto px-4 py-6" data-astro-cid-7fgtuneg> <!-- Challenge Header --> <div class="bg-[#161b22] border border-[#30363d] rounded-md p-6 mb-6" data-astro-cid-7fgtuneg> <div class="flex justify-between items-start mb-4" data-astro-cid-7fgtuneg> <div data-astro-cid-7fgtuneg> <h1 class="text-2xl font-semibold text-[#c9d1d9] mb-2 no-underline" data-astro-cid-7fgtuneg>Race Condition in Counter Service</h1> <div class="mb-4" data-astro-cid-7fgtuneg> <span class="text-[#79c0ff] text-xl no-underline" data-astro-cid-7fgtuneg>★★★★☆</span> </div> <div class="flex flex-wrap items-center gap-4 text-sm" data-astro-cid-7fgtuneg> <span class="text-[#8b949e]" data-astro-cid-7fgtuneg>📁 <span class="text-[#a5d6ff]" data-astro-cid-7fgtuneg>rails/rails</span></span> <span class="text-[#8b949e]" data-astro-cid-7fgtuneg>🔢 <code class="bg-[#21262d] px-2 py-0.5 rounded text-xs" data-astro-cid-7fgtuneg>ghi9012</code></span> <span class="px-2 py-0.5 bg-[#0a3064] rounded text-xs text-[#79c0ff]" data-astro-cid-7fgtuneg>Concurrency</span> </div> </div> <div class="text-right" data-astro-cid-7fgtuneg> <div class="text-[#79c0ff] text-lg mb-1 no-underline" data-astro-cid-7fgtuneg>★★★★☆</div> <div class="text-xs text-[#8b949e]" data-astro-cid-7fgtuneg>Difficulty</div> </div> </div> <div class="bg-[#0a3064] rounded p-3 flex items-center gap-2" data-astro-cid-7fgtuneg> <svg class="w-5 h-5 text-[#58a6ff]" fill="currentColor" viewBox="0 0 20 20" data-astro-cid-7fgtuneg> <path d="M10 18a8 8 0 100-16 8 8 0 000 16zm1-11a1 1 0 10-2 0v2H7a1 1 0 100 2h2v2a1 1 0 102 0v-2h2a1 1 0 100-2h-2V7z" data-astro-cid-7fgtuneg></path> </svg> <span class="text-[#79c0ff] font-semibold" data-astro-cid-7fgtuneg>+150 XP reward</span> </div> </div> <!-- Code Viewer --> <div id="dv-nrbzznj" class="diff-viewer-container" data-dv-id="dv-nrbzznj" data-astro-cid-2ex44dsa> <div class="bg-[#0d1117] border border-[#30363d] rounded-md overflow-hidden" data-astro-cid-2ex44dsa> <div class="bg-[#161b22] px-4 py-3 border-b border-[#30363d]" data-astro-cid-2ex44dsa> <span class="text-sm text-[#8b949e]" data-astro-cid-2ex44dsa>file.js</span> </div> <div class="overflow-x-auto" data-astro-cid-2ex44dsa> <table class="w-full font-mono text-sm" data-astro-cid-2ex44dsa> <tbody data-astro-cid-2ex44dsa> <tr data-line="1" class="group hover:bg-[#161b22] cursor-pointer transition-colors" title="Mark line 1 as buggy" data-astro-cid-2ex44dsa> <td class="w-16 text-right pr-4 select-none" data-astro-cid-2ex44dsa> <span class="text-[#8b949e] line-number has-hint-color" data-astro-cid-2ex44dsa> 1 </span> </td> <td class="px-4 py-0.5 whitespace-pre" data-astro-cid-2ex44dsa> <span class="text-[#e6edf3] has-hint-bg bg-[#ff7b7233] px-2 -mx-2" data-astro-cid-2ex44dsa> class Counter { </span> <span class="ml-2 hint text-[#79c0ff] text-xs hidden" data-astro-cid-2ex44dsa>
</style></head> <body data-astro-cid-sckkx6r4> <div class="min-h-screen" data-astro-cid-7fgtuneg> <!-- Header --> <header class="bg-[#161b22] border-b border-[#30363d]" data-astro-cid-7fgtuneg> <div class="max-w-6xl mx-auto px-4 py-3 flex items-center gap-4" data-astro-cid-7fgtuneg> <a href="/" class="text-[#58a6ff] text-sm font-medium no-underline focus:outline-none focus:ring-0" data-astro-cid-7fgtuneg>← Back to Challenges</a> <span class="text-[#8b949e] text-sm" data-astro-cid-7fgtuneg>/ Challenge #3</span> </div> </header> <main class="max-w-6xl mx-auto px-4 py-6" data-astro-cid-7fgtuneg> <!-- Challenge Header --> <div class="bg-[#161b22] border border-[#30363d] rounded-md p-6 mb-6" data-astro-cid-7fgtuneg> <div class="flex justify-between items-start mb-4" data-astro-cid-7fgtuneg> <div data-astro-cid-7fgtuneg> <h1 class="text-2xl font-semibold text-[#c9d1d9] mb-2 no-underline" data-astro-cid-7fgtuneg>Race Condition in Counter Service</h1> <div class="mb-4" data-astro-cid-7fgtuneg> <span class="text-[#79c0ff] text-xl no-underline" data-astro-cid-7fgtuneg>★★★★☆</span> </div> <div class="flex flex-wrap items-center gap-4 text-sm" data-astro-cid-7fgtuneg> <span class="text-[#8b949e]" data-astro-cid-7fgtuneg>📁 <span class="text-[#a5d6ff]" data-astro-cid-7fgtuneg>rails/rails</span></span> <span class="text-[#8b949e]" data-astro-cid-7fgtuneg>🔢 <code class="bg-[#21262d] px-2 py-0.5 rounded text-xs" data-astro-cid-7fgtuneg>ghi9012</code></span> <span class="px-2 py-0.5 bg-[#0a3064] rounded text-xs text-[#79c0ff]" data-astro-cid-7fgtuneg>Concurrency</span> </div> </div> <div class="text-right" data-astro-cid-7fgtuneg> <div class="text-[#79c0ff] text-lg mb-1 no-underline" data-astro-cid-7fgtuneg>★★★★☆</div> <div class="text-xs text-[#8b949e]" data-astro-cid-7fgtuneg>Difficulty</div> </div> </div> <div class="bg-[#0a3064] rounded p-3 flex items-center gap-2" data-astro-cid-7fgtuneg> <svg class="w-5 h-5 text-[#58a6ff]" fill="currentColor" viewBox="0 0 20 20" data-astro-cid-7fgtuneg> <path d="M10 18a8 8 0 100-16 8 8 0 000 16zm1-11a1 1 0 10-2 0v2H7a1 1 0 100 2h2v2a1 1 0 102 0v-2h2a1 1 0 100-2h-2V7z" data-astro-cid-7fgtuneg></path> </svg> <span class="text-[#79c0ff] font-semibold" data-astro-cid-7fgtuneg>+150 XP reward</span> </div> </div> <!-- Code Viewer --> <div id="dv-u11q5ob" class="diff-viewer-container" data-dv-id="dv-u11q5ob" data-astro-cid-2ex44dsa> <div class="bg-[#0d1117] border border-[#30363d] rounded-md overflow-hidden" data-astro-cid-2ex44dsa> <div class="bg-[#161b22] px-4 py-3 border-b border-[#30363d]" data-astro-cid-2ex44dsa> <span class="text-sm text-[#8b949e]" data-astro-cid-2ex44dsa>file.js</span> </div> <div class="overflow-x-auto" data-astro-cid-2ex44dsa> <table class="w-full font-mono text-sm" data-astro-cid-2ex44dsa> <tbody data-astro-cid-2ex44dsa> <tr data-line="1" class="group hover:bg-[#161b22] cursor-pointer transition-colors" title="Mark line 1 as buggy" data-astro-cid-2ex44dsa> <td class="w-16 text-right pr-4 select-none" data-astro-cid-2ex44dsa> <span class="text-[#8b949e] line-number has-hint-color" data-astro-cid-2ex44dsa> 1 </span> </td> <td class="px-4 py-0.5 whitespace-pre" data-astro-cid-2ex44dsa> <span class="text-[#e6edf3] has-hint-bg bg-[#ff7b7233] px-2 -mx-2" data-astro-cid-2ex44dsa> class Counter { </span> <span class="ml-2 hint text-[#79c0ff] text-xs hidden" data-astro-cid-2ex44dsa>
• Line 12: Same issue with decrement operation </span> </td> </tr><tr data-line="2" class="group hover:bg-[#161b22] cursor-pointer transition-colors" title="Mark line 2 as buggy" data-astro-cid-2ex44dsa> <td class="w-16 text-right pr-4 select-none" data-astro-cid-2ex44dsa> <span class="text-[#8b949e] line-number " data-astro-cid-2ex44dsa> 2 </span> </td> <td class="px-4 py-0.5 whitespace-pre" data-astro-cid-2ex44dsa> <span class="text-[#e6edf3] " data-astro-cid-2ex44dsa> constructor() { </span> </td> </tr><tr data-line="3" class="group hover:bg-[#161b22] cursor-pointer transition-colors" title="Mark line 3 as buggy" data-astro-cid-2ex44dsa> <td class="w-16 text-right pr-4 select-none" data-astro-cid-2ex44dsa> <span class="text-[#8b949e] line-number " data-astro-cid-2ex44dsa> 3 </span> </td> <td class="px-4 py-0.5 whitespace-pre" data-astro-cid-2ex44dsa> <span class="text-[#e6edf3] " data-astro-cid-2ex44dsa> this.value = 0; </span> </td> </tr><tr data-line="4" class="group hover:bg-[#161b22] cursor-pointer transition-colors" title="Mark line 4 as buggy" data-astro-cid-2ex44dsa> <td class="w-16 text-right pr-4 select-none" data-astro-cid-2ex44dsa> <span class="text-[#8b949e] line-number " data-astro-cid-2ex44dsa> 4 </span> </td> <td class="px-4 py-0.5 whitespace-pre" data-astro-cid-2ex44dsa> <span class="text-[#e6edf3] " data-astro-cid-2ex44dsa> } </span> </td> </tr><tr data-line="5" class="group hover:bg-[#161b22] cursor-pointer transition-colors" title="Mark line 5 as buggy" data-astro-cid-2ex44dsa> <td class="w-16 text-right pr-4 select-none" data-astro-cid-2ex44dsa> <span class="text-[#8b949e] line-number " data-astro-cid-2ex44dsa> 5 </span> </td> <td class="px-4 py-0.5 whitespace-pre" data-astro-cid-2ex44dsa> <span class="text-[#e6edf3] " data-astro-cid-2ex44dsa> </span> </td> </tr><tr data-line="6" class="group hover:bg-[#161b22] cursor-pointer transition-colors" title="Mark line 6 as buggy" data-astro-cid-2ex44dsa> <td class="w-16 text-right pr-4 select-none" data-astro-cid-2ex44dsa> <span class="text-[#8b949e] line-number " data-astro-cid-2ex44dsa> 6 </span> </td> <td class="px-4 py-0.5 whitespace-pre" data-astro-cid-2ex44dsa> <span class="text-[#e6edf3] " data-astro-cid-2ex44dsa> increment() { </span> </td> </tr><tr data-line="7" class="group hover:bg-[#161b22] cursor-pointer transition-colors" title="Mark line 7 as buggy" data-astro-cid-2ex44dsa> <td class="w-16 text-right pr-4 select-none" data-astro-cid-2ex44dsa> <span class="text-[#8b949e] line-number has-hint-color" data-astro-cid-2ex44dsa> 7 </span> </td> <td class="px-4 py-0.5 whitespace-pre" data-astro-cid-2ex44dsa> <span class="text-[#e6edf3] has-hint-bg bg-[#ff7b7233] px-2 -mx-2" data-astro-cid-2ex44dsa> this.value = this.value + 1; </span> <span class="ml-2 hint text-[#79c0ff] text-xs hidden" data-astro-cid-2ex44dsa>
• Race condition when increment called concurrently </span> </td> </tr><tr data-line="8" class="group hover:bg-[#161b22] cursor-pointer transition-colors" title="Mark line 8 as buggy" data-astro-cid-2ex44dsa> <td class="w-16 text-right pr-4 select-none" data-astro-cid-2ex44dsa> <span class="text-[#8b949e] line-number " data-astro-cid-2ex44dsa> 8 </span> </td> <td class="px-4 py-0.5 whitespace-pre" data-astro-cid-2ex44dsa> <span class="text-[#e6edf3] " data-astro-cid-2ex44dsa> return this.value; </span> </td> </tr><tr data-line="9" class="group hover:bg-[#161b22] cursor-pointer transition-colors" title="Mark line 9 as buggy" data-astro-cid-2ex44dsa> <td class="w-16 text-right pr-4 select-none" data-astro-cid-2ex44dsa> <span class="text-[#8b949e] line-number " data-astro-cid-2ex44dsa> 9 </span> </td> <td class="px-4 py-0.5 whitespace-pre" data-astro-cid-2ex44dsa> <span class="text-[#e6edf3] " data-astro-cid-2ex44dsa> } </span> </td> </tr><tr data-line="10" class="group hover:bg-[#161b22] cursor-pointer transition-colors" title="Mark line 10 as buggy" data-astro-cid-2ex44dsa> <td class="w-16 text-right pr-4 select-none" data-astro-cid-2ex44dsa> <span class="text-[#8b949e] line-number " data-astro-cid-2ex44dsa> 10 </span> </td> <td class="px-4 py-0.5 whitespace-pre" data-astro-cid-2ex44dsa> <span class="text-[#e6edf3] " data-astro-cid-2ex44dsa> </span> </td> </tr><tr data-line="11" class="group hover:bg-[#161b22] cursor-pointer transition-colors" title="Mark line 11 as buggy" data-astro-cid-2ex44dsa> <td class="w-16 text-right pr-4 select-none" data-astro-cid-2ex44dsa> <span class="text-[#8b949e] line-number " data-astro-cid-2ex44dsa> 11 </span> </td> <td class="px-4 py-0.5 whitespace-pre" data-astro-cid-2ex44dsa> <span class="text-[#e6edf3] " data-astro-cid-2ex44dsa> decrement() { </span> </td> </tr><tr data-line="12" class="group hover:bg-[#161b22] cursor-pointer transition-colors" title="Mark line 12 as buggy" data-astro-cid-2ex44dsa> <td class="w-16 text-right pr-4 select-none" data-astro-cid-2ex44dsa> <span class="text-[#8b949e] line-number has-hint-color" data-astro-cid-2ex44dsa> 12 </span> </td> <td class="px-4 py-0.5 whitespace-pre" data-astro-cid-2ex44dsa> <span class="text-[#e6edf3] has-hint-bg bg-[#ff7b7233] px-2 -mx-2" data-astro-cid-2ex44dsa> this.value = this.value - 1; </span> <span class="ml-2 hint text-[#79c0ff] text-xs hidden" data-astro-cid-2ex44dsa>
• Same issue with decrement operation </span> </td> </tr><tr data-line="13" class="group hover:bg-[#161b22] cursor-pointer transition-colors" title="Mark line 13 as buggy" data-astro-cid-2ex44dsa> <td class="w-16 text-right pr-4 select-none" data-astro-cid-2ex44dsa> <span class="text-[#8b949e] line-number " data-astro-cid-2ex44dsa> 13 </span> </td> <td class="px-4 py-0.5 whitespace-pre" data-astro-cid-2ex44dsa> <span class="text-[#e6edf3] " data-astro-cid-2ex44dsa> return this.value; </span> </td> </tr><tr data-line="14" class="group hover:bg-[#161b22] cursor-pointer transition-colors" title="Mark line 14 as buggy" data-astro-cid-2ex44dsa> <td class="w-16 text-right pr-4 select-none" data-astro-cid-2ex44dsa> <span class="text-[#8b949e] line-number " data-astro-cid-2ex44dsa> 14 </span> </td> <td class="px-4 py-0.5 whitespace-pre" data-astro-cid-2ex44dsa> <span class="text-[#e6edf3] " data-astro-cid-2ex44dsa> } </span> </td> </tr><tr data-line="15" class="group hover:bg-[#161b22] cursor-pointer transition-colors" title="Mark line 15 as buggy" data-astro-cid-2ex44dsa> <td class="w-16 text-right pr-4 select-none" data-astro-cid-2ex44dsa> <span class="text-[#8b949e] line-number " data-astro-cid-2ex44dsa> 15 </span> </td> <td class="px-4 py-0.5 whitespace-pre" data-astro-cid-2ex44dsa> <span class="text-[#e6edf3] " data-astro-cid-2ex44dsa> } </span> </td> </tr> </tbody> </table> </div> </div> </div> <script client:load>

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<!DOCTYPE html><html lang="en" class="dark" data-astro-cid-sckkx6r4> <head><meta charset="UTF-8"><meta name="viewport" content="width=device-width"><link rel="icon" type="image/svg+xml" href="/favicon.svg"><meta name="generator" content="Astro v6.1.7"><title>PR Dojo - Code Review Practice</title><link rel="stylesheet" href="/_astro/Layout.slfrh7tA.css">
<!DOCTYPE html><html lang="en" class="dark" data-astro-cid-sckkx6r4> <head><meta charset="UTF-8"><meta name="viewport" content="width=device-width"><link rel="icon" type="image/svg+xml" href="/favicon.svg"><meta name="generator" content="Astro v6.1.7"><title>PR Dojo - Code Review Practice</title><link rel="stylesheet" href="/_astro/Layout.CLiT21to.css">
<style>tr[data-astro-cid-2ex44dsa]{line-height:1.6}tr[data-astro-cid-2ex44dsa]:hover{background-color:#161b22}td[data-astro-cid-2ex44dsa]:first-child{border-right:1px solid #30363d}tr[data-astro-cid-2ex44dsa].bugged td[data-astro-cid-2ex44dsa]:first-child{border-left:3px solid #f85149}tr[data-astro-cid-2ex44dsa].bugged .line-number[data-astro-cid-2ex44dsa]{color:#f85149}tr[data-astro-cid-2ex44dsa].bugged{background-color:#f8514918}.diff-viewer-container[data-astro-cid-2ex44dsa]:not(.revealed) tr[data-astro-cid-2ex44dsa].bugged .line-number[data-astro-cid-2ex44dsa].has-hint-color{color:#f85149!important}.diff-viewer-container[data-astro-cid-2ex44dsa]:not(.revealed) tr[data-astro-cid-2ex44dsa]:not(.bugged) span[data-astro-cid-2ex44dsa].line-number.has-hint-color{color:#8b949e!important;font-weight:400!important}.diff-viewer-container[data-astro-cid-2ex44dsa].revealed tr[data-astro-cid-2ex44dsa].bugged .hint[data-astro-cid-2ex44dsa]{display:inline}.diff-viewer-container[data-astro-cid-2ex44dsa]:not(.revealed) td[data-astro-cid-2ex44dsa]>span[data-astro-cid-2ex44dsa].has-hint-bg{background-color:transparent!important}#fix-editor-container[data-astro-cid-7fgtuneg] textarea[data-astro-cid-7fgtuneg]{resize:vertical;min-height:48px}
</style></head> <body data-astro-cid-sckkx6r4> <div class="min-h-screen" data-astro-cid-7fgtuneg> <!-- Header --> <header class="bg-[#161b22] border-b border-[#30363d]" data-astro-cid-7fgtuneg> <div class="max-w-6xl mx-auto px-4 py-3 flex items-center gap-4" data-astro-cid-7fgtuneg> <a href="/" class="text-[#58a6ff] text-sm font-medium no-underline focus:outline-none focus:ring-0" data-astro-cid-7fgtuneg>← Back to Challenges</a> <span class="text-[#8b949e] text-sm" data-astro-cid-7fgtuneg>/ Challenge #4</span> </div> </header> <main class="max-w-6xl mx-auto px-4 py-6" data-astro-cid-7fgtuneg> <!-- Challenge Header --> <div class="bg-[#161b22] border border-[#30363d] rounded-md p-6 mb-6" data-astro-cid-7fgtuneg> <div class="flex justify-between items-start mb-4" data-astro-cid-7fgtuneg> <div data-astro-cid-7fgtuneg> <h1 class="text-2xl font-semibold text-[#c9d1d9] mb-2 no-underline" data-astro-cid-7fgtuneg>SQL Injection Vulnerability</h1> <div class="mb-4" data-astro-cid-7fgtuneg> <span class="text-[#79c0ff] text-xl no-underline" data-astro-cid-7fgtuneg>★★★★★</span> </div> <div class="flex flex-wrap items-center gap-4 text-sm" data-astro-cid-7fgtuneg> <span class="text-[#8b949e]" data-astro-cid-7fgtuneg>📁 <span class="text-[#a5d6ff]" data-astro-cid-7fgtuneg>django/django</span></span> <span class="text-[#8b949e]" data-astro-cid-7fgtuneg>🔢 <code class="bg-[#21262d] px-2 py-0.5 rounded text-xs" data-astro-cid-7fgtuneg>jkl3456</code></span> <span class="px-2 py-0.5 bg-[#0a3064] rounded text-xs text-[#79c0ff]" data-astro-cid-7fgtuneg>Security</span> </div> </div> <div class="text-right" data-astro-cid-7fgtuneg> <div class="text-[#79c0ff] text-lg mb-1 no-underline" data-astro-cid-7fgtuneg>★★★★★</div> <div class="text-xs text-[#8b949e]" data-astro-cid-7fgtuneg>Difficulty</div> </div> </div> <div class="bg-[#0a3064] rounded p-3 flex items-center gap-2" data-astro-cid-7fgtuneg> <svg class="w-5 h-5 text-[#58a6ff]" fill="currentColor" viewBox="0 0 20 20" data-astro-cid-7fgtuneg> <path d="M10 18a8 8 0 100-16 8 8 0 000 16zm1-11a1 1 0 10-2 0v2H7a1 1 0 100 2h2v2a1 1 0 102 0v-2h2a1 1 0 100-2h-2V7z" data-astro-cid-7fgtuneg></path> </svg> <span class="text-[#79c0ff] font-semibold" data-astro-cid-7fgtuneg>+200 XP reward</span> </div> </div> <!-- Code Viewer --> <div id="dv-e35geif" class="diff-viewer-container" data-dv-id="dv-e35geif" data-astro-cid-2ex44dsa> <div class="bg-[#0d1117] border border-[#30363d] rounded-md overflow-hidden" data-astro-cid-2ex44dsa> <div class="bg-[#161b22] px-4 py-3 border-b border-[#30363d]" data-astro-cid-2ex44dsa> <span class="text-sm text-[#8b949e]" data-astro-cid-2ex44dsa>file.js</span> </div> <div class="overflow-x-auto" data-astro-cid-2ex44dsa> <table class="w-full font-mono text-sm" data-astro-cid-2ex44dsa> <tbody data-astro-cid-2ex44dsa> <tr data-line="1" class="group hover:bg-[#161b22] cursor-pointer transition-colors" title="Mark line 1 as buggy" data-astro-cid-2ex44dsa> <td class="w-16 text-right pr-4 select-none" data-astro-cid-2ex44dsa> <span class="text-[#8b949e] line-number " data-astro-cid-2ex44dsa> 1 </span> </td> <td class="px-4 py-0.5 whitespace-pre" data-astro-cid-2ex44dsa> <span class="text-[#e6edf3] " data-astro-cid-2ex44dsa> function findUserByUsername(username) { </span> </td> </tr><tr data-line="2" class="group hover:bg-[#161b22] cursor-pointer transition-colors" title="Mark line 2 as buggy" data-astro-cid-2ex44dsa> <td class="w-16 text-right pr-4 select-none" data-astro-cid-2ex44dsa> <span class="text-[#8b949e] line-number has-hint-color" data-astro-cid-2ex44dsa> 2 </span> </td> <td class="px-4 py-0.5 whitespace-pre" data-astro-cid-2ex44dsa> <span class="text-[#e6edf3] has-hint-bg bg-[#ff7b7233] px-2 -mx-2" data-astro-cid-2ex44dsa> const query = `SELECT * FROM users WHERE username = &#39;${username}&#39;`; </span> <span class="ml-2 hint text-[#79c0ff] text-xs hidden" data-astro-cid-2ex44dsa>
</style></head> <body data-astro-cid-sckkx6r4> <div class="min-h-screen" data-astro-cid-7fgtuneg> <!-- Header --> <header class="bg-[#161b22] border-b border-[#30363d]" data-astro-cid-7fgtuneg> <div class="max-w-6xl mx-auto px-4 py-3 flex items-center gap-4" data-astro-cid-7fgtuneg> <a href="/" class="text-[#58a6ff] text-sm font-medium no-underline focus:outline-none focus:ring-0" data-astro-cid-7fgtuneg>← Back to Challenges</a> <span class="text-[#8b949e] text-sm" data-astro-cid-7fgtuneg>/ Challenge #4</span> </div> </header> <main class="max-w-6xl mx-auto px-4 py-6" data-astro-cid-7fgtuneg> <!-- Challenge Header --> <div class="bg-[#161b22] border border-[#30363d] rounded-md p-6 mb-6" data-astro-cid-7fgtuneg> <div class="flex justify-between items-start mb-4" data-astro-cid-7fgtuneg> <div data-astro-cid-7fgtuneg> <h1 class="text-2xl font-semibold text-[#c9d1d9] mb-2 no-underline" data-astro-cid-7fgtuneg>SQL Injection Vulnerability</h1> <div class="mb-4" data-astro-cid-7fgtuneg> <span class="text-[#79c0ff] text-xl no-underline" data-astro-cid-7fgtuneg>★★★★★</span> </div> <div class="flex flex-wrap items-center gap-4 text-sm" data-astro-cid-7fgtuneg> <span class="text-[#8b949e]" data-astro-cid-7fgtuneg>📁 <span class="text-[#a5d6ff]" data-astro-cid-7fgtuneg>django/django</span></span> <span class="text-[#8b949e]" data-astro-cid-7fgtuneg>🔢 <code class="bg-[#21262d] px-2 py-0.5 rounded text-xs" data-astro-cid-7fgtuneg>jkl3456</code></span> <span class="px-2 py-0.5 bg-[#0a3064] rounded text-xs text-[#79c0ff]" data-astro-cid-7fgtuneg>Security</span> </div> </div> <div class="text-right" data-astro-cid-7fgtuneg> <div class="text-[#79c0ff] text-lg mb-1 no-underline" data-astro-cid-7fgtuneg>★★★★★</div> <div class="text-xs text-[#8b949e]" data-astro-cid-7fgtuneg>Difficulty</div> </div> </div> <div class="bg-[#0a3064] rounded p-3 flex items-center gap-2" data-astro-cid-7fgtuneg> <svg class="w-5 h-5 text-[#58a6ff]" fill="currentColor" viewBox="0 0 20 20" data-astro-cid-7fgtuneg> <path d="M10 18a8 8 0 100-16 8 8 0 000 16zm1-11a1 1 0 10-2 0v2H7a1 1 0 100 2h2v2a1 1 0 102 0v-2h2a1 1 0 100-2h-2V7z" data-astro-cid-7fgtuneg></path> </svg> <span class="text-[#79c0ff] font-semibold" data-astro-cid-7fgtuneg>+200 XP reward</span> </div> </div> <!-- Code Viewer --> <div id="dv-f8h39ff" class="diff-viewer-container" data-dv-id="dv-f8h39ff" data-astro-cid-2ex44dsa> <div class="bg-[#0d1117] border border-[#30363d] rounded-md overflow-hidden" data-astro-cid-2ex44dsa> <div class="bg-[#161b22] px-4 py-3 border-b border-[#30363d]" data-astro-cid-2ex44dsa> <span class="text-sm text-[#8b949e]" data-astro-cid-2ex44dsa>file.js</span> </div> <div class="overflow-x-auto" data-astro-cid-2ex44dsa> <table class="w-full font-mono text-sm" data-astro-cid-2ex44dsa> <tbody data-astro-cid-2ex44dsa> <tr data-line="1" class="group hover:bg-[#161b22] cursor-pointer transition-colors" title="Mark line 1 as buggy" data-astro-cid-2ex44dsa> <td class="w-16 text-right pr-4 select-none" data-astro-cid-2ex44dsa> <span class="text-[#8b949e] line-number " data-astro-cid-2ex44dsa> 1 </span> </td> <td class="px-4 py-0.5 whitespace-pre" data-astro-cid-2ex44dsa> <span class="text-[#e6edf3] " data-astro-cid-2ex44dsa> function findUserByUsername(username) { </span> </td> </tr><tr data-line="2" class="group hover:bg-[#161b22] cursor-pointer transition-colors" title="Mark line 2 as buggy" data-astro-cid-2ex44dsa> <td class="w-16 text-right pr-4 select-none" data-astro-cid-2ex44dsa> <span class="text-[#8b949e] line-number has-hint-color" data-astro-cid-2ex44dsa> 2 </span> </td> <td class="px-4 py-0.5 whitespace-pre" data-astro-cid-2ex44dsa> <span class="text-[#e6edf3] has-hint-bg bg-[#ff7b7233] px-2 -mx-2" data-astro-cid-2ex44dsa> const query = `SELECT * FROM users WHERE username = &#39;${username}&#39;`; </span> <span class="ml-2 hint text-[#79c0ff] text-xs hidden" data-astro-cid-2ex44dsa>
• Direct string interpolation allows SQL injection </span> </td> </tr><tr data-line="3" class="group hover:bg-[#161b22] cursor-pointer transition-colors" title="Mark line 3 as buggy" data-astro-cid-2ex44dsa> <td class="w-16 text-right pr-4 select-none" data-astro-cid-2ex44dsa> <span class="text-[#8b949e] line-number " data-astro-cid-2ex44dsa> 3 </span> </td> <td class="px-4 py-0.5 whitespace-pre" data-astro-cid-2ex44dsa> <span class="text-[#e6edf3] " data-astro-cid-2ex44dsa> return database.query(query); </span> </td> </tr><tr data-line="4" class="group hover:bg-[#161b22] cursor-pointer transition-colors" title="Mark line 4 as buggy" data-astro-cid-2ex44dsa> <td class="w-16 text-right pr-4 select-none" data-astro-cid-2ex44dsa> <span class="text-[#8b949e] line-number " data-astro-cid-2ex44dsa> 4 </span> </td> <td class="px-4 py-0.5 whitespace-pre" data-astro-cid-2ex44dsa> <span class="text-[#e6edf3] " data-astro-cid-2ex44dsa> } </span> </td> </tr><tr data-line="5" class="group hover:bg-[#161b22] cursor-pointer transition-colors" title="Mark line 5 as buggy" data-astro-cid-2ex44dsa> <td class="w-16 text-right pr-4 select-none" data-astro-cid-2ex44dsa> <span class="text-[#8b949e] line-number " data-astro-cid-2ex44dsa> 5 </span> </td> <td class="px-4 py-0.5 whitespace-pre" data-astro-cid-2ex44dsa> <span class="text-[#e6edf3] " data-astro-cid-2ex44dsa> </span> </td> </tr><tr data-line="6" class="group hover:bg-[#161b22] cursor-pointer transition-colors" title="Mark line 6 as buggy" data-astro-cid-2ex44dsa> <td class="w-16 text-right pr-4 select-none" data-astro-cid-2ex44dsa> <span class="text-[#8b949e] line-number " data-astro-cid-2ex44dsa> 6 </span> </td> <td class="px-4 py-0.5 whitespace-pre" data-astro-cid-2ex44dsa> <span class="text-[#e6edf3] " data-astro-cid-2ex44dsa> function deleteUser(userId) { </span> </td> </tr><tr data-line="7" class="group hover:bg-[#161b22] cursor-pointer transition-colors" title="Mark line 7 as buggy" data-astro-cid-2ex44dsa> <td class="w-16 text-right pr-4 select-none" data-astro-cid-2ex44dsa> <span class="text-[#8b949e] line-number has-hint-color" data-astro-cid-2ex44dsa> 7 </span> </td> <td class="px-4 py-0.5 whitespace-pre" data-astro-cid-2ex44dsa> <span class="text-[#e6edf3] has-hint-bg bg-[#ff7b7233] px-2 -mx-2" data-astro-cid-2ex44dsa> const query = `DELETE FROM users WHERE id = ${userId}`; </span> <span class="ml-2 hint text-[#79c0ff] text-xs hidden" data-astro-cid-2ex44dsa>
• Second SQL injection vulnerability in delete operation </span> </td> </tr><tr data-line="8" class="group hover:bg-[#161b22] cursor-pointer transition-colors" title="Mark line 8 as buggy" data-astro-cid-2ex44dsa> <td class="w-16 text-right pr-4 select-none" data-astro-cid-2ex44dsa> <span class="text-[#8b949e] line-number " data-astro-cid-2ex44dsa> 8 </span> </td> <td class="px-4 py-0.5 whitespace-pre" data-astro-cid-2ex44dsa> <span class="text-[#e6edf3] " data-astro-cid-2ex44dsa> return database.query(query); </span> </td> </tr><tr data-line="9" class="group hover:bg-[#161b22] cursor-pointer transition-colors" title="Mark line 9 as buggy" data-astro-cid-2ex44dsa> <td class="w-16 text-right pr-4 select-none" data-astro-cid-2ex44dsa> <span class="text-[#8b949e] line-number " data-astro-cid-2ex44dsa> 9 </span> </td> <td class="px-4 py-0.5 whitespace-pre" data-astro-cid-2ex44dsa> <span class="text-[#e6edf3] " data-astro-cid-2ex44dsa> } </span> </td> </tr> </tbody> </table> </div> </div> </div> <script client:load>
(() => {

4
dist/challenges/5/index.html vendored
View file

@ -1,6 +1,6 @@
<!DOCTYPE html><html lang="en" class="dark" data-astro-cid-sckkx6r4> <head><meta charset="UTF-8"><meta name="viewport" content="width=device-width"><link rel="icon" type="image/svg+xml" href="/favicon.svg"><meta name="generator" content="Astro v6.1.7"><title>PR Dojo - Code Review Practice</title><link rel="stylesheet" href="/_astro/Layout.slfrh7tA.css">
<!DOCTYPE html><html lang="en" class="dark" data-astro-cid-sckkx6r4> <head><meta charset="UTF-8"><meta name="viewport" content="width=device-width"><link rel="icon" type="image/svg+xml" href="/favicon.svg"><meta name="generator" content="Astro v6.1.7"><title>PR Dojo - Code Review Practice</title><link rel="stylesheet" href="/_astro/Layout.CLiT21to.css">
<style>tr[data-astro-cid-2ex44dsa]{line-height:1.6}tr[data-astro-cid-2ex44dsa]:hover{background-color:#161b22}td[data-astro-cid-2ex44dsa]:first-child{border-right:1px solid #30363d}tr[data-astro-cid-2ex44dsa].bugged td[data-astro-cid-2ex44dsa]:first-child{border-left:3px solid #f85149}tr[data-astro-cid-2ex44dsa].bugged .line-number[data-astro-cid-2ex44dsa]{color:#f85149}tr[data-astro-cid-2ex44dsa].bugged{background-color:#f8514918}.diff-viewer-container[data-astro-cid-2ex44dsa]:not(.revealed) tr[data-astro-cid-2ex44dsa].bugged .line-number[data-astro-cid-2ex44dsa].has-hint-color{color:#f85149!important}.diff-viewer-container[data-astro-cid-2ex44dsa]:not(.revealed) tr[data-astro-cid-2ex44dsa]:not(.bugged) span[data-astro-cid-2ex44dsa].line-number.has-hint-color{color:#8b949e!important;font-weight:400!important}.diff-viewer-container[data-astro-cid-2ex44dsa].revealed tr[data-astro-cid-2ex44dsa].bugged .hint[data-astro-cid-2ex44dsa]{display:inline}.diff-viewer-container[data-astro-cid-2ex44dsa]:not(.revealed) td[data-astro-cid-2ex44dsa]>span[data-astro-cid-2ex44dsa].has-hint-bg{background-color:transparent!important}#fix-editor-container[data-astro-cid-7fgtuneg] textarea[data-astro-cid-7fgtuneg]{resize:vertical;min-height:48px}
</style></head> <body data-astro-cid-sckkx6r4> <div class="min-h-screen" data-astro-cid-7fgtuneg> <!-- Header --> <header class="bg-[#161b22] border-b border-[#30363d]" data-astro-cid-7fgtuneg> <div class="max-w-6xl mx-auto px-4 py-3 flex items-center gap-4" data-astro-cid-7fgtuneg> <a href="/" class="text-[#58a6ff] text-sm font-medium no-underline focus:outline-none focus:ring-0" data-astro-cid-7fgtuneg>← Back to Challenges</a> <span class="text-[#8b949e] text-sm" data-astro-cid-7fgtuneg>/ Challenge #5</span> </div> </header> <main class="max-w-6xl mx-auto px-4 py-6" data-astro-cid-7fgtuneg> <!-- Challenge Header --> <div class="bg-[#161b22] border border-[#30363d] rounded-md p-6 mb-6" data-astro-cid-7fgtuneg> <div class="flex justify-between items-start mb-4" data-astro-cid-7fgtuneg> <div data-astro-cid-7fgtuneg> <h1 class="text-2xl font-semibold text-[#c9d1d9] mb-2 no-underline" data-astro-cid-7fgtuneg>Infinite Loop in Data Processing</h1> <div class="mb-4" data-astro-cid-7fgtuneg> <span class="text-[#79c0ff] text-xl no-underline" data-astro-cid-7fgtuneg>★★★☆☆</span> </div> <div class="flex flex-wrap items-center gap-4 text-sm" data-astro-cid-7fgtuneg> <span class="text-[#8b949e]" data-astro-cid-7fgtuneg>📁 <span class="text-[#a5d6ff]" data-astro-cid-7fgtuneg>angular/angular</span></span> <span class="text-[#8b949e]" data-astro-cid-7fgtuneg>🔢 <code class="bg-[#21262d] px-2 py-0.5 rounded text-xs" data-astro-cid-7fgtuneg>mno7890</code></span> <span class="px-2 py-0.5 bg-[#0a3064] rounded text-xs text-[#79c0ff]" data-astro-cid-7fgtuneg>Logic Error</span> </div> </div> <div class="text-right" data-astro-cid-7fgtuneg> <div class="text-[#79c0ff] text-lg mb-1 no-underline" data-astro-cid-7fgtuneg>★★★☆☆</div> <div class="text-xs text-[#8b949e]" data-astro-cid-7fgtuneg>Difficulty</div> </div> </div> <div class="bg-[#0a3064] rounded p-3 flex items-center gap-2" data-astro-cid-7fgtuneg> <svg class="w-5 h-5 text-[#58a6ff]" fill="currentColor" viewBox="0 0 20 20" data-astro-cid-7fgtuneg> <path d="M10 18a8 8 0 100-16 8 8 0 000 16zm1-11a1 1 0 10-2 0v2H7a1 1 0 100 2h2v2a1 1 0 102 0v-2h2a1 1 0 100-2h-2V7z" data-astro-cid-7fgtuneg></path> </svg> <span class="text-[#79c0ff] font-semibold" data-astro-cid-7fgtuneg>+100 XP reward</span> </div> </div> <!-- Code Viewer --> <div id="dv-7zziy6d" class="diff-viewer-container" data-dv-id="dv-7zziy6d" data-astro-cid-2ex44dsa> <div class="bg-[#0d1117] border border-[#30363d] rounded-md overflow-hidden" data-astro-cid-2ex44dsa> <div class="bg-[#161b22] px-4 py-3 border-b border-[#30363d]" data-astro-cid-2ex44dsa> <span class="text-sm text-[#8b949e]" data-astro-cid-2ex44dsa>file.js</span> </div> <div class="overflow-x-auto" data-astro-cid-2ex44dsa> <table class="w-full font-mono text-sm" data-astro-cid-2ex44dsa> <tbody data-astro-cid-2ex44dsa> <tr data-line="1" class="group hover:bg-[#161b22] cursor-pointer transition-colors" title="Mark line 1 as buggy" data-astro-cid-2ex44dsa> <td class="w-16 text-right pr-4 select-none" data-astro-cid-2ex44dsa> <span class="text-[#8b949e] line-number " data-astro-cid-2ex44dsa> 1 </span> </td> <td class="px-4 py-0.5 whitespace-pre" data-astro-cid-2ex44dsa> <span class="text-[#e6edf3] " data-astro-cid-2ex44dsa> function processItems(items) { </span> </td> </tr><tr data-line="2" class="group hover:bg-[#161b22] cursor-pointer transition-colors" title="Mark line 2 as buggy" data-astro-cid-2ex44dsa> <td class="w-16 text-right pr-4 select-none" data-astro-cid-2ex44dsa> <span class="text-[#8b949e] line-number " data-astro-cid-2ex44dsa> 2 </span> </td> <td class="px-4 py-0.5 whitespace-pre" data-astro-cid-2ex44dsa> <span class="text-[#e6edf3] " data-astro-cid-2ex44dsa> let index = 0; </span> </td> </tr><tr data-line="3" class="group hover:bg-[#161b22] cursor-pointer transition-colors" title="Mark line 3 as buggy" data-astro-cid-2ex44dsa> <td class="w-16 text-right pr-4 select-none" data-astro-cid-2ex44dsa> <span class="text-[#8b949e] line-number has-hint-color" data-astro-cid-2ex44dsa> 3 </span> </td> <td class="px-4 py-0.5 whitespace-pre" data-astro-cid-2ex44dsa> <span class="text-[#e6edf3] has-hint-bg bg-[#ff7b7233] px-2 -mx-2" data-astro-cid-2ex44dsa> while (index &lt; items.length) { </span> <span class="ml-2 hint text-[#79c0ff] text-xs hidden" data-astro-cid-2ex44dsa>
</style></head> <body data-astro-cid-sckkx6r4> <div class="min-h-screen" data-astro-cid-7fgtuneg> <!-- Header --> <header class="bg-[#161b22] border-b border-[#30363d]" data-astro-cid-7fgtuneg> <div class="max-w-6xl mx-auto px-4 py-3 flex items-center gap-4" data-astro-cid-7fgtuneg> <a href="/" class="text-[#58a6ff] text-sm font-medium no-underline focus:outline-none focus:ring-0" data-astro-cid-7fgtuneg>← Back to Challenges</a> <span class="text-[#8b949e] text-sm" data-astro-cid-7fgtuneg>/ Challenge #5</span> </div> </header> <main class="max-w-6xl mx-auto px-4 py-6" data-astro-cid-7fgtuneg> <!-- Challenge Header --> <div class="bg-[#161b22] border border-[#30363d] rounded-md p-6 mb-6" data-astro-cid-7fgtuneg> <div class="flex justify-between items-start mb-4" data-astro-cid-7fgtuneg> <div data-astro-cid-7fgtuneg> <h1 class="text-2xl font-semibold text-[#c9d1d9] mb-2 no-underline" data-astro-cid-7fgtuneg>Infinite Loop in Data Processing</h1> <div class="mb-4" data-astro-cid-7fgtuneg> <span class="text-[#79c0ff] text-xl no-underline" data-astro-cid-7fgtuneg>★★★☆☆</span> </div> <div class="flex flex-wrap items-center gap-4 text-sm" data-astro-cid-7fgtuneg> <span class="text-[#8b949e]" data-astro-cid-7fgtuneg>📁 <span class="text-[#a5d6ff]" data-astro-cid-7fgtuneg>angular/angular</span></span> <span class="text-[#8b949e]" data-astro-cid-7fgtuneg>🔢 <code class="bg-[#21262d] px-2 py-0.5 rounded text-xs" data-astro-cid-7fgtuneg>mno7890</code></span> <span class="px-2 py-0.5 bg-[#0a3064] rounded text-xs text-[#79c0ff]" data-astro-cid-7fgtuneg>Logic Error</span> </div> </div> <div class="text-right" data-astro-cid-7fgtuneg> <div class="text-[#79c0ff] text-lg mb-1 no-underline" data-astro-cid-7fgtuneg>★★★☆☆</div> <div class="text-xs text-[#8b949e]" data-astro-cid-7fgtuneg>Difficulty</div> </div> </div> <div class="bg-[#0a3064] rounded p-3 flex items-center gap-2" data-astro-cid-7fgtuneg> <svg class="w-5 h-5 text-[#58a6ff]" fill="currentColor" viewBox="0 0 20 20" data-astro-cid-7fgtuneg> <path d="M10 18a8 8 0 100-16 8 8 0 000 16zm1-11a1 1 0 10-2 0v2H7a1 1 0 100 2h2v2a1 1 0 102 0v-2h2a1 1 0 100-2h-2V7z" data-astro-cid-7fgtuneg></path> </svg> <span class="text-[#79c0ff] font-semibold" data-astro-cid-7fgtuneg>+100 XP reward</span> </div> </div> <!-- Code Viewer --> <div id="dv-ianrffq" class="diff-viewer-container" data-dv-id="dv-ianrffq" data-astro-cid-2ex44dsa> <div class="bg-[#0d1117] border border-[#30363d] rounded-md overflow-hidden" data-astro-cid-2ex44dsa> <div class="bg-[#161b22] px-4 py-3 border-b border-[#30363d]" data-astro-cid-2ex44dsa> <span class="text-sm text-[#8b949e]" data-astro-cid-2ex44dsa>file.js</span> </div> <div class="overflow-x-auto" data-astro-cid-2ex44dsa> <table class="w-full font-mono text-sm" data-astro-cid-2ex44dsa> <tbody data-astro-cid-2ex44dsa> <tr data-line="1" class="group hover:bg-[#161b22] cursor-pointer transition-colors" title="Mark line 1 as buggy" data-astro-cid-2ex44dsa> <td class="w-16 text-right pr-4 select-none" data-astro-cid-2ex44dsa> <span class="text-[#8b949e] line-number " data-astro-cid-2ex44dsa> 1 </span> </td> <td class="px-4 py-0.5 whitespace-pre" data-astro-cid-2ex44dsa> <span class="text-[#e6edf3] " data-astro-cid-2ex44dsa> function processItems(items) { </span> </td> </tr><tr data-line="2" class="group hover:bg-[#161b22] cursor-pointer transition-colors" title="Mark line 2 as buggy" data-astro-cid-2ex44dsa> <td class="w-16 text-right pr-4 select-none" data-astro-cid-2ex44dsa> <span class="text-[#8b949e] line-number " data-astro-cid-2ex44dsa> 2 </span> </td> <td class="px-4 py-0.5 whitespace-pre" data-astro-cid-2ex44dsa> <span class="text-[#e6edf3] " data-astro-cid-2ex44dsa> let index = 0; </span> </td> </tr><tr data-line="3" class="group hover:bg-[#161b22] cursor-pointer transition-colors" title="Mark line 3 as buggy" data-astro-cid-2ex44dsa> <td class="w-16 text-right pr-4 select-none" data-astro-cid-2ex44dsa> <span class="text-[#8b949e] line-number has-hint-color" data-astro-cid-2ex44dsa> 3 </span> </td> <td class="px-4 py-0.5 whitespace-pre" data-astro-cid-2ex44dsa> <span class="text-[#e6edf3] has-hint-bg bg-[#ff7b7233] px-2 -mx-2" data-astro-cid-2ex44dsa> while (index &lt; items.length) { </span> <span class="ml-2 hint text-[#79c0ff] text-xs hidden" data-astro-cid-2ex44dsa>
• Line 3-6: Infinite loop - index never increments </span> </td> </tr><tr data-line="4" class="group hover:bg-[#161b22] cursor-pointer transition-colors" title="Mark line 4 as buggy" data-astro-cid-2ex44dsa> <td class="w-16 text-right pr-4 select-none" data-astro-cid-2ex44dsa> <span class="text-[#8b949e] line-number " data-astro-cid-2ex44dsa> 4 </span> </td> <td class="px-4 py-0.5 whitespace-pre" data-astro-cid-2ex44dsa> <span class="text-[#e6edf3] " data-astro-cid-2ex44dsa> console.log(items[index]); </span> </td> </tr><tr data-line="5" class="group hover:bg-[#161b22] cursor-pointer transition-colors" title="Mark line 5 as buggy" data-astro-cid-2ex44dsa> <td class="w-16 text-right pr-4 select-none" data-astro-cid-2ex44dsa> <span class="text-[#8b949e] line-number has-hint-color" data-astro-cid-2ex44dsa> 5 </span> </td> <td class="px-4 py-0.5 whitespace-pre" data-astro-cid-2ex44dsa> <span class="text-[#e6edf3] has-hint-bg bg-[#ff7b7233] px-2 -mx-2" data-astro-cid-2ex44dsa> // Missing: index++ </span> <span class="ml-2 hint text-[#79c0ff] text-xs hidden" data-astro-cid-2ex44dsa>
• Missing increment statement causes endless iteration </span> </td> </tr><tr data-line="6" class="group hover:bg-[#161b22] cursor-pointer transition-colors" title="Mark line 6 as buggy" data-astro-cid-2ex44dsa> <td class="w-16 text-right pr-4 select-none" data-astro-cid-2ex44dsa> <span class="text-[#8b949e] line-number " data-astro-cid-2ex44dsa> 6 </span> </td> <td class="px-4 py-0.5 whitespace-pre" data-astro-cid-2ex44dsa> <span class="text-[#e6edf3] " data-astro-cid-2ex44dsa> } </span> </td> </tr><tr data-line="7" class="group hover:bg-[#161b22] cursor-pointer transition-colors" title="Mark line 7 as buggy" data-astro-cid-2ex44dsa> <td class="w-16 text-right pr-4 select-none" data-astro-cid-2ex44dsa> <span class="text-[#8b949e] line-number " data-astro-cid-2ex44dsa> 7 </span> </td> <td class="px-4 py-0.5 whitespace-pre" data-astro-cid-2ex44dsa> <span class="text-[#e6edf3] " data-astro-cid-2ex44dsa> return &#39;done&#39;; </span> </td> </tr><tr data-line="8" class="group hover:bg-[#161b22] cursor-pointer transition-colors" title="Mark line 8 as buggy" data-astro-cid-2ex44dsa> <td class="w-16 text-right pr-4 select-none" data-astro-cid-2ex44dsa> <span class="text-[#8b949e] line-number " data-astro-cid-2ex44dsa> 8 </span> </td> <td class="px-4 py-0.5 whitespace-pre" data-astro-cid-2ex44dsa> <span class="text-[#e6edf3] " data-astro-cid-2ex44dsa> } </span> </td> </tr> </tbody> </table> </div> </div> </div> <script client:load>
(() => {