This is a cheat sheet for how to perform various actions to ZSH, which can be tricky to find on the web as the syntax is not intuitive and it is generally not very well-documented.
| Description | Syntax |
|---|---|
| Get the length of a string | ${#VARNAME} |
| Get a single character | ${VARNAME[index]} |
| # Despite macOS'd grayed out icons, you can still launch Xcode 15 | |
| /Applications/Xcode-15.4.0.app/Contents/MacOS/Xcode &> /dev/null & |
| #!/bin/bash | |
| # Available as a gist: https://gist.github.com/zakkhoyt/426cc6a5c2855d1b2feb4169df83bc9b | |
| BINARY_TOOL="jq" | |
| ANSI_BINARY_TOOL="\033[1m${BINARY_TOOL}\033[0m" | |
| offer_brew_install() { | |
| input="" | |
| repeat=false |
| // | |
| // A demo to show different blending modes using CGBlendMod | |
| // | |
| import UIKit | |
| extension CGBlendMode { | |
| static func count() -> Int { | |
| return 16 | |
| } |
| // MyClass is generic, and has a generic delegate. | |
| // AClass creates two instances of MyClass and implements MyClassDelegate | |
| // | |
| // In the implementation of MyClassDelegate, how can I distinguish which object's delegate is calling | |
| // func myClass<T>(_ myClass: MyClass<T>, valueDidChange value: T) | |
| // | |
| // See comments at end of file | |
| protocol MyClassDelegate: class { | |
| func myClass<T>(_ myClass: MyClass<T>, valueDidChange value: T) |