nlitwin

# Revert to a previous commit
git reset --hard commit_sha

# Create a local branch which tracks from an already created remote branch
git co --track -b branch_name origin/branch_name

# Push local branch to a remote branch with a different name
git push origin local-name:remote-name

# If you want to rename a branch while pointed to any branch

nlitwin

[alias]
  # Show verbose output about tags, branches or remotes
  tags = tag -l
  brs = branch -a
  br = branch
  remotes = remote -v
  # Pretty log output
  hist = log --graph --pretty=format:'%Cred%h%Creset %s%C(yellow)%d%Creset %Cgreen(%cr)%Creset [%an]' --abbrev-commit --date=relative
  st = status
  ci = commit

nlitwin

# Compiled source #
###################
*.com
*.class
*.dll
*.exe
*.o
*.so

# Packages #

nlitwin

$rootScope.$on('$stateChangeStart',function(event, toState, toParams, fromState, fromParams){
  console.log('$stateChangeStart to '+toState.to+'- fired when the transition begins. toState,toParams : \n',toState, toParams);
});

$rootScope.$on('$stateChangeError',function(event, toState, toParams, fromState, fromParams){
  console.log('$stateChangeError - fired when an error occurs during transition.');
  console.log(arguments);
});

$rootScope.$on('$stateChangeSuccess',function(event, toState, toParams, fromState, fromParams){

nlitwin

function doWhenDataReceived(value) {
  returnNextElement.next(value)
}

function* createFlow() {
  const data = yield fetch('http://twitter.com/...')
  console.log(data)
}

const returnNextElement = createFlow() // Does not start executing function yet

nlitwin

# regular expressions

# system tools with regex: grep, sed, perl, vim, less

``` js 
'1 two three \n'.replace(/1/, 'one')
```

similar to:
``` sh

nlitwin

/*
  Convert a string to formatted currency.
  Example: "abc12000.33.33" => "12,000.33"
 */
export function currencyFormatter(value) {
  value = value.toString();
  // Clear left side zeros
  while (value.charAt(0) === "0") {
    value = value.substr(1);
  }

nlitwin

function findNodes(options = {}) {
  let node
  const arr = []
  const el = options.el || document.body
  const filter = options.filter ? { acceptNode: options.filter } : null
  
  const walk = document.createTreeWalker(el, NodeFilter.SHOW_ELEMENT, filter, false)
  
  while(node = walk.nextNode()) {
    arr.push(node)