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gain620 / fast_inverse_sqrt.zig

Created February 21, 2025 09:45

Fast Inverse Square Root for Zig

	const std = @import("std");

	/// Compute the fast inverse square root of a given f32 number.
	pub fn fastInvSqrt(number: f32) f32 {
	// Interpret the floating-point number as an unsigned 32-bit integer.
	var i: u32 = @bitCast(u32, number);
	// Magic constant and bit manipulation.
	i = 0x5f3759df - (i >> 1);
	// Reinterpret the bits back into a floating-point value.
	var y: f32 = @bitCast(f32, i);

gain620 / config

Created February 6, 2025 12:42 — forked from adibhanna/config

Ghostty config

	font-family = BerkeleyMono Nerd Font
	#font-family = Iosevka Nerd Font
	# font-family = SFMono Nerd Font
	font-size = 20
	theme = GruvboxDarkHard
	shell-integration-features = no-cursor,sudo,no-title
	cursor-style = block
	adjust-cell-height = 35%
	# background-opacity = 0.96

gain620 / singletonPattern.js

Created March 14, 2021 15:00

	class FancyLogger {
	constructor() {
	if(FancyLogger.instance == null) {
	this.logs = [];
	FancyLogger.instance = this;
	}

	return FancyLogger.instance;
	}

gain620 / commandPattern.js

Last active March 12, 2021 06:49

command pattern

	class Calculator {
	constructor() {
	this.value = 0;
	this.historyStack = [];
	}

	executeCommand(command) {
	this.value = command.execute(this.value);
	this.historyStack.push(command);
	}

gain620 / gist:ac94f65068a42aec4557ab820805806d

Created April 21, 2019 13:34 — forked from rxaviers/gist:7360908

Complete list of github markdown emoji markup

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gain620 / closure_retain_cycle.swift

Created April 21, 2019 10:32

closure_retain_cycle test

	class HTMLElement {
	let name: String
	let text: String

	lazy var asHTML: () -> String = { [weak self] in
	guard let this = self else {return ""}
	return "\(this.name)\(this.text)/\(this.name)"
	}

	init(name: String, text: String) {

gain620 / pod_init.sh

Created April 16, 2019 16:03

Clean and easy pod update & install script for xcode behavior

	#!/bin/bash

	# move project dir
	PROJECT_HOME=`pwd`
	echo "cd $PROJECT_HOME" > /tmp/tmp.sh

	# search .xcodeproj file and strip filename
	PROJECT_NAME=""
	for f in *.xcodeproj; do
	PROJECT_NAME="${f%.*}"

gain620 / pod_update.sh

Last active April 16, 2019 16:03

Clean and easy pod update & install script for xcode behavior

	#!/bin/bash

	# move project dir
	PROJECT_HOME=`pwd`
	echo "cd $PROJECT_HOME" > /tmp/tmp.sh

	# pod init & update
	echo "pod update" >> /tmp/tmp.sh

	chmod +x /tmp/tmp.sh

gain620 / open_terminal.sh

Created April 16, 2019 15:57

Easy terminal opening script for xcode behavior

	#!/bin/bash
	open -a Terminal `pwd`

gain620 / debug_logger.swift

Created April 9, 2019 19:43

my simple swift debug logger :)

	func DEBUG_LOG(_ msg: Any, file: String = #file, function: String = #function, line: Int = #line) {
	#if DEBUG
	let fileName = file.split(separator: "/").last ?? ""
	let funcName = function.split(separator: "(").first ?? ""
	print("❤️[\(fileName)] \(funcName)(\(line)): \(msg)")
	#endif
	}