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Syncing a forked repository

Add a remote called upstream (name is a convention):

git remote add upstream https://github.com/<original_owner>/<original_repository>.git
git remote -v

Fetch the branches and their respective commits from the upstream repository:

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MIT:

• OpenCourseWare
• Introduction to Algorithms

Harvard:

• CS50

eBooks:

• eBooks for Web Developers

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Docker Compose and WordPress

Build:

docker-compose up # pass `-d` flag to detach and hide output

Open:

open "http://$(docker-machine ip):8000"

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Hide status bar in iPhone Simulator

1. Open Info.plist.
2. Add row with key View controller-based status bar appearance and value NO if not present.
3. Add row with key Status bar is initially hidden with value YES if not present.
4. Save and run the project.

Source

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'use strict';

var React = require('react');

var ReactClass = React.createClass({
    displayName: 'ReactClass',

    // https://facebook.github.io/react/docs/reusable-components.html#mixins
    mixins: [],

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flask-template

A quickstart Flask template.

Install

pip install -r requirements.txt # you may need `sudo`

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Vim Tips

Type	Action	Command
Editor	Reload window	:e :edit
	Horizontal split	Ctrl w, s :sp :split
	Vertical split	Ctrl w, v :vs :vsplit
	Switch between windows	Ctrl w, (xor Ctrl w, h, j, k, l)
	Open new tab	:tabe
	Go to next tab	gt

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Node.js run module with a different this context.

Sources:

• Dependency Injection with Node.js
• vm

// index.js

var vm = require('vm');

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'use strict';

/**
 * Generate an alphanumeric ID based on Date.
 * @return {String} - The alphanumeric ID.
 */
function dateIdGenerator() {
    // `valueOf` returns the milliseconds since midnight 01 January, 1970 UTC
    // then convert to Base36
    return new Date().valueOf().toString(36);

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'use strict';

/**
 * Map an array.
 *
 * @param  {Array}    arr - The array to be mapped.
 * @param  {Function} fun - The map function.
 * @return {Array}        - The mapped array.
 */
function map(arr, fun) {