zhangchiqing

var R = require('ramda');

R.compose(
  R.apply(R.add), 
  R.ap([R.add(3), R.multiply(100)])
)([5]); // 508


// applyMerge2 :: (a -> b) -> (a -> b) -> (b -> c) -> ([a] -> c)
var applyMerge2 = function(f1, f2, fmerge) { 

zhangchiqing

/*
 * Provide the implementations for 3 `add` functions to output the same value as commented
 * without using if-else or switch-case
 */
var num = 1;
var add = function(n) {
  // to implement
};
var addNum = add(num);
addNum(2);

zhangchiqing

var mongo = require('mongodb');

var config = {
  host: 'localhost',
  port: '27017',
  db: 'local',
};

var getDBAsync = function(config) {
  return new Promise(function(resolve, reject) {

zhangchiqing

var R = require('ramda');

// Int -> Int
var nextRandomInt = R.pipe(R.converge(R.multiply, [R.identity, Math.random]), Math.floor);

// nextRandomInt(2)
// => 1

// nextRandomInt(2)
// => 0

zhangchiqing

function zipObject() {
  // write your code
}

zipObject('f')(1); 
// => { f: 1 }

zipObject('method', 'url')('GET', 'https://api.github.com/users') 
// => { method: 'GET', url: 'https://api.github.com/users' }

zhangchiqing

The following config let you use Ctrl+F to maximuze tmux panel. And Ctrl+F again to go back

bind -n C-f resize-pane -Z

zhangchiqing

For zsh user, a useful shortcut for ls is alt + l. If you prefer using ls -l, you can find the configuration at ~/.oh-my-zsh/lib/key-bindings.zsh

With the following config, you can list your files and clear the screen by alt + l and alt + c without pressing Enter key!

bindkey -s '\el' 'ls -l\n'                               # [Esc-l] - run command: ls
bindkey -s '\ec' 'clear\n'                               # [Esc-c] - run command: clear

zhangchiqing

module['exports'] = function echoHttp (hook) {

  hook.debug("Debug messages are sent to the debug console");

  hook.debug(hook.params);

  hook.debug(hook.req.path);

  hook.debug(hook.req.method);
  

zhangchiqing

```
    "gulp-requirejs": "https://github.com/zhangchiqing/gulp-requirejs/tarball/master",
```

zhangchiqing

/*
 * Easing Functions - inspired from http://gizma.com/easing/
 * only considering the t value for the range [0, 1] => [0, 1]
 */
EasingFunctions = {
  // no easing, no acceleration
  linear: function (t) { return t },
  // accelerating from zero velocity
  easeInQuad: function (t) { return t*t },
  // decelerating to zero velocity