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Articles 132,997Blog Posts 137,553Tech Tutorials 34,494Research Papers 25,940News 18,844
⚡ AI Lessons
Dev.to · zhihu wu
20h ago
Cron Jobs in 2026: Docker, CI/CD, and Why Your Old crontab Tricks Still Work
Cron has been scheduling Unix jobs since the 1970s, and it is not going anywhere. But the way we run...
Dev.to · zhihu wu
📐 ML Fundamentals
⚡ AI Lesson
3d ago
3 Regex Patterns That Save Hours of Debugging
Every developer has been there: staring at a regex that should work but doesn't. Here are three...
Dev.to · zhihu wu
🔐 Cybersecurity
⚡ AI Lesson
5d ago
Stop Using 'password123': A Developer's Guide to Strong Passwords
Every developer knows the drill: create an account, type a "temporary" password, and promise to...
Dev.to · zhihu wu
1w ago
5 Signs Your Regex Is Wrong (and How to Spot Them in Seconds)
We've all been there. You write a regex, it looks correct, you deploy it... and then the bug reports...
Dev.to · zhihu wu
1w ago
Stop Uploading Your Images to Random Servers: Compress Locally Instead
Every time you use a "free online image compressor," ask yourself: where is my image being...
Dev.to · zhihu wu
1w ago
Why UUIDs Belong in Every Developer's Toolbelt (Not Just Your Database)
Most developers first encounter UUIDs when setting up database primary keys. But UUIDs solve problems...
Dev.to · zhihu wu
2w ago
5 Markdown Tricks That Make Your README Stand Out
I've reviewed hundreds of GitHub READMEs while contributing to open source, and the difference...
Dev.to · zhihu wu
🔧 Backend Engineering
⚡ AI Lesson
3w ago
3 Times You Need Base64 (and One Time You Definitely Don't)
When Base64 Makes Sense Base64 converts binary data into text using 64 printable ASCII...
Dev.to · zhihu wu
1mo ago
Your JSON Is Valid... Until It's Not: Common Parse Errors and How to Fix Them
We've all seen it: an API response that looks perfectly fine, but JSON.parse() throws a cryptic error...
Dev.to · zhihu wu
📐 ML Fundamentals
⚡ AI Lesson
1mo ago
Stop Copy-Pasting Regex You Don't Understand: 5 Patterns Explained
Stop Copy-Pasting Regex You Don't Understand: 5 Patterns Explained Every developer has...
Dev.to · zhihu wu
1mo ago
Why Your API Calls Break: A Developer's Guide to URL Encoding
Why Your API Calls Break: A Developer's Guide to URL Encoding URL encoding is one of those...
Dev.to · zhihu wu
1mo ago
Your Website Images Are Killing Your SEO — Here's How to Fix It
The Hidden Speed Killer on Every Website If your web pages take more than 2.5 seconds to...
Dev.to · zhihu wu
1mo ago
3 Base64 Tricks Every Developer Should Know
1. Decode JWT Payloads Without a Library JSON Web Tokens are everywhere in modern APIs,...
Dev.to · zhihu wu
🔧 Backend Engineering
⚡ AI Lesson
1mo ago
3 JSON Formatting Tricks That Save Me Hours Every Week
The Problem You're debugging an API response, and it looks like...
Dev.to · zhihu wu
⚡ AI Lesson
1mo ago
Cron Expressions for CI/CD — Beyond Crontab Basics
Most developers first encounter cron through crontab -e on a Linux server. But cron syntax now powers...
Dev.to · zhihu wu
🔧 Backend Engineering
⚡ AI Lesson
1mo ago
5 Regex Patterns That Will Save You Hours of Debugging
If you write code, you've been there — staring at a regex that should work but doesn't. Meanwhile,...
Dev.to · zhihu wu
🔧 Backend Engineering
⚡ AI Lesson
1mo ago
encodeURI vs encodeURIComponent: The JavaScript URL Encoding Trap
Most JavaScript developers have been bitten by URL encoding at some point. You build a query string,...
Dev.to · zhihu wu
⚡ AI Lesson
1mo ago
UUIDs in Practice — When Auto-Increment Falls Short
Most of us learned databases with auto-increment IDs. id INT AUTO_INCREMENT is in every tutorial. It...
Dev.to · zhihu wu
📐 ML Fundamentals
⚡ AI Lesson
2mo ago
My 4-Step Regex Debugging Workflow (That Actually Saves Time)
I've written hundreds of regular expressions over the years, and I still get them wrong on the first...
Dev.to · zhihu wu
📣 Digital Marketing & Growth
⚡ AI Lesson
2mo ago
5 Markdown Tricks Every Developer Should Know (That Aren't in the Cheat Sheet)
We all know the basics: **bold**, *italic*, # Headings. But Markdown (especially GitHub Flavored...
Dev.to · zhihu wu
2mo ago
How Base64 Actually Works (And Why Every Developer Should Know)
Base64 encoding is one of those things every developer encounters but few bother to understand. You...
Dev.to · zhihu wu
⚡ AI Lesson
2mo ago
URL Encoding: The Developer's Swiss Army Knife You're Probably Using Wrong
If you've built anything that touches the web, you've dealt with URL encoding. And if you're honest,...
Dev.to · zhihu wu
🔧 Backend Engineering
⚡ AI Lesson
2mo ago
URL Encoding: The Developer's Swiss Army Knife You're Probably Using Wrong
URL Encoding: The Developer's Swiss Army Knife You're Probably Using Wrong If you've built anything...
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