ldong

python docstring

What is docstring?

It is a type of comment format in python, using pairs of either ''' or """.

Standard format of docstring

There's a list of standard docstring format one can follow:

1. PEP8

ldong

JavaScript

Prototype

JavaScript Prototype, is a way to share functions, one can simply think that is class function.

No shared functions and properties, i.e.

ldong

Vim shortcuts

zz                                       Position cursor at middle of screen
zt                                       Position cursor at top of screen
zb                                       Position cursor at the bottom of screen

H                                        Go to the Header
M                                        Go to the Middle
L                                        Go to the Lower

ldong

JavaScript

Create objects

Create an object i.e.

var person = Object.create(null);

ldong

JavaScript

If you haven't read other posts, please read [it] (https://gist.github.com/99fa4e54f51f5e9d8ecd)

Inheritance

There are 4 ways of making inheirtance of JavaScript:

1. Binding, uses call and apply

ldong

JavaScript

Sinon

What is Sinon? It is a unit test library for JavaScript.

It has 5 parts:

1. Spy: The Test Spy is designed to act as an observation point by recording the method calls made to it by the SUT as it is exercised.

ldong

JavaScript

Immediately-Invoked Function Expression (IIFE)

So, what is IIFE? As far as I know, it is a function that being invoked right after you defined it (not quite percise, but you get the idea).

You might see this

ldong

Node

See the repo for examples.

exports vs module.exports

Both exports and module.export use to export module for others to use

export is used to export module instance

ldong

JavaScript

Lets talk about how to write modules in JavaScript.

AMD vs CommonJS

AMD and CommonJS are the two most popular JavaScript conventions for writing modules.

Asynchronous Module Definition (AMD)

ldong

#!/usr/bin/env/ python
# coding=utf8
"""
Print Multiplication Table (九九乘法表)
Original Post: http://www.oschina.net/code/snippet_915543_37544
"""

def main():
    for k in range(1, 10):
        s = ''