Recent Git security updates, particularly from version 2.35 onward, have introduced unexpected issues for some developers. One common example is the following error: This occurs when Git determines that a repository is untrusted. While this is a legitimate security restriction, encountering it in directories where you normally work locally can halt development unexpectedly. This article […]

When using Git, you may encounter the following error: This happens when local changes conflict with updates from the remote repository. In this article, we’ll explain how to safely resolve this error and continue development without losing work. Why This Error Occurs The main reasons for this error are: 1. Uncommitted Local Changes If you […]

The terminal prompt is a UI that you see hundreds of times every day. However, some customizations tend to cause problems such as "slow," "too much information and difficult to read," and "slow completion. In this article, we will introduce specific customization tips to make Bash/Zsh prompts faster, more comfortable, and easier to read. The […]

When working on personal projects, I often find myself repeatedly looking up the same regular expressions—email validation, URLs, dates, digits, whitespace removal, and more. Here’s a collection of practical, copy-and-paste–ready regex snippets that frequently appear across projects.The examples use JavaScript/TypeScript, but almost all of them work in any mainstream language. 1. Email validation (practical version) […]