219 posts
As you keep using Git, understanding how it actually works makes many problems easier to grasp — rebasing, divergence, and so on. I recommend every Git user understand how Git works. Understand it — no need to master it. So a light read is all you need, and I won't go deep either.
In everyday development, as a tech manager I keep seeing developers who freeze up on conflicts or even lose code, commit histories flooded with Merge commits, careless and chaotic commit messages, and so on. So I want to write this series to help developers use Git quickly and gracefully.
You've all heard of the viral AI ChatGPT by now. I'm not in the AI business and hadn't planned to write about it — but people from every industry kept asking me how to register ChatGPT, how to use it, and what it costs. So here's a dedicated post.
In Spring projects we often use maven variables to switch environments — for example the @activatedProperties@ placeholder in this post, passed in at maven packaging time so the config file can switch between runtime environments.
What's a cron expression? If you're reading this, you probably already know what it's for: when setting up scheduled tasks on Linux, Spring or Quartz, you write a cron expression to define the execution cycle. Cron is pronounced /krɒn/ — like 'chron' in chronology.
My site's public IP service, ip.renfei.net, is used by many people. On May 10, 2022 a user named Qin Yi'nan left a message asking for geolocation support — and here it is.
GitHub now scans public and private repositories for WeChat keys and tokens — including those for WeChat Official Accounts, Mini Programs, and WeChat Pay — and forwards them to Tencent. You'll get a key leak notification on Tencent's side.
Spring Boot 3.0.0 was officially released on November 25, 2022. As someone who likes chasing the new and eating crab first, I had to upgrade and try it. In the end, though, I gave up.
Ever wondered how Git and JH GitLab work? Now grab your favorite IDE and set off on an exploration with us.
At 12:15 a.m. yesterday my phone lit up; emails and text messages poured in one after another — network traffic alerts, CPU alerts. There must be something unspeakable behind this. Why do hundreds of threads keep dropping? Why do callbacks take forever to return? Why does MySQL keep getting assaulted?
