Tags
#php
#kotlin
#bash
#go
#sql
#rust
#typescript
#html
#java
#python
#files
#utils
#strings
#http
#concurrency
#async
#json
#arrays
#security
#types
#crypto
#database
#dates
#format
Java
Path Operations — Resolve, Relativize, Normalize
`Path` (NIO) replaces `File` for new code. Operator-like methods compose paths cleanly across OSes — and the underlying file isn't touched until you do I/O.
@admin
Bash
Check Command Exists Before Using It
`command -v` is the portable, fast way to check whether a binary is on $PATH. Avoid `which` (its behavior varies between systems).
Bash
Get Script's Own Directory
The "where am I" boilerplate that every nontrivial bash script needs. Resolves symlinks correctly with realpath, falls back gracefully if realpath is missing.