ahcode0919

Git Cheatsheet

Global

• Create origin branch when creating branch git config --global branch.autosetupmerge always
• Add ssh key to keychain to eliminate retyping in password ssh-add -K ~/.ssh/id_rsa

Add files

• Add All Files - git add .

ahcode0919

How-to Create a Ruby CLI Gem

Pre-Setup

1. Create a RubyGems Account
2. Install RVM (Ruby Version Manager) : RVM
3. Install Bundler: gem install bundler

Project Creation

ahcode0919

#!/bin/sh

git filter-branch --env-filter '

OLD_EMAIL="email
CORRECT_NAME="name"
CORRECT_EMAIL="email"

if [ "$GIT_COMMITTER_EMAIL" = "$OLD_EMAIL" ]
then

ahcode0919

ES6 Import / Export

Named Exports / Imports

Exports

// source.js
export function add(a, b) { return a + b; }
export function subtract(a, b) { return a - b; }

ahcode0919

Simctl

An Xcode/CoreSimulator command line utility to control iOS Simulators on MacOS

Command Usage

simctl [--set <path>] [--profiles <path>] <subcommand> ... simctl help [subcommand]

Documented Commands