3h ago · 16 min read · In 2023, our engineering team made 12 bad hires using traditional resume screening. By 2024, after replacing resumes with structured GitHub profile evaluations, that number dropped to 6. We didn’t just cut bad hires by 50%—we reduced time-to-hire by ...
Join discussionMar 3 · 11 min read · Granted: Fast AWS Profile Switching If you work with more than one AWS account, you know the pain. You have a development account, a staging account, a production account, maybe separate accounts for logging, networking, and security. Each has its o...
Join discussionMar 7, 2025 · 2 min read · Profile Headlines & Basics Your headline must clearly state your professional identity - Instead of "No idea what I'm doing," use "Senior Backend Engineer specializing in Java" or similar Profile picture is critical - Professional, clear image wher...
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Dec 3, 2024 · 4 min read · Al momento de ejecutar nuestra aplicación en diferentes entornos, usualmente nos encontramos en la situación de que las credenciales de las bases de datos cambian, o que las referencias a archivos ya no son validas, o bien que la manera de referencia...
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Oct 12, 2024 · 3 min read · Containers offer flexibility and efficiency, but they also need robust security. That’s where AppArmor and SELinux come in, adding essential layers of control. Let’s dive into these two security modules and see how they help protect containers. Plus,...
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Aug 16, 2024 · 2 min read · tl;dr Since the release of Mozilla Thunderbird version 128, nicknamed “Nebula”, the CLI command to open the profile manger on macOS has changed as the binary was renamed. It is now as follows: /Applications/Thunderbird.app/Contents/MacOS/thunderbird ...
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Aug 7, 2024 · 4 min read · 繼 Day 1 提到系統性能工程，今天來多聊一點該領域的東西。 系統性能指的是對個服務的性能的研究，包括主要硬體與軟體。所有執行路徑與資料路徑上和從儲服務到應用程式上所發生的事情都包括在內，因為這些都有可能影響系統性能。對於分散式系統來說，這益為著更多台的伺服器與應用程式在營運環境上，複雜度幾乎成指數成長。如果我們沒有系統環境的一張全景示意圖，用來顯示資料的路徑，以前我們會自己畫一張，然後在部門同事間流傳。這圖可以幫助我們理解所有組件的關係，並確保我們不會只見數目不見森林。 系統性能的基本目標是...
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Aug 3, 2024 · 2 min read · Day 1 系統可觀測性信號的下一步 - Profile 性能剖析 前幾年我們在分享關於系統可觀測性，幾乎著重在基本的三種信號類型（Logs、Metrics、Traces）。還有一種信號類型有時候會被需要，就是 Profile 性能剖析。 絕大部分工程師日常開發流程可能是開發程式 -> 紀錄事件 log -> 框架埋點監測指標與追蹤，然後佈署至具有 scalability 能力的測試環境中進行工作負載測試。這樣的流程之下，等工作負載測試發現性能問題時，只能通過基本信號來推敲性能問題。針對系統性能...
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Mar 21, 2024 · 2 min read · I have been involved with writing applications for the public cloud recently, specifically GCP. There are a lot of helper libraries out there that are very useful for getting your application running in the cloud with less effort. The problems I have...
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