bvaughn

// This is an advanced example! It is not intended for use in application code.
// Libraries like Relay may make use of this technique to save some time on low-end mobile devices.
// Most components should just initiate async requests in componentDidMount.

class ExampleComponent extends React.Component {
  _hasUnmounted = false;

  state = {
    externalData: null,
  };

mafintosh

const stream = require('stream')
const cache = new Map() // you might wanna use an lru here

function createCacheStream (url) {
  const buf = []
  return stream.Transform({
    transform: function (data, enc, cb) {
      buffer.push(data)
      cb(null, data)
    },

ferdinandsalis

import React from 'react'
import revalidation from 'revalidation'
import gql from 'graphql-tag.macro'
import { filter } from 'graphql-anywhere'
import { curry } from 'ramda'
import { compose, withProps, withHandlers } from 'recompose'
import { graphql } from 'react-apollo'
import { Button } from '../common/styled'
import { getValue } from '../form/utils'
import { isRequired } from '../../utils/validation'

max-mapper

JavaScript function hoisting by example

Below are many examples of function hoisting behavior in JavaScript. Ones marked as works successfuly print 'hi!' without errors.

To play around with these examples (recommended) clone them with git and execute them with e.g. node a.js

Notes on hoisting

(I may be using incorrect terms below, please forgive me)

hano

How to use the mCAP Push service with Apache Cordova (Android and iOS)

setup the cordova project

// create the application
cordova create PushExample
// go into the application directory
cd PushExample/
// add android

staltz

The introduction to Reactive Programming you've been missing

(by @andrestaltz)

---

This tutorial as a series of videos

If you prefer to watch video tutorials with live-coding, then check out this series I recorded with the same contents as in this article: Egghead.io - Introduction to Reactive Programming.

---

vitorbritto

Unix Commands

Environment Control

cd d                         Change to directory d
mkdir d                      Create new directory d
rmdir d                      Remove directory d
mv f1 [f2...] d              Move file f to directory d
mv d1 d2                     Rename directory d1 as d2

passwd Change password

justecorruptio

M[16],X=16,W,k;main(){T(system("stty cbreak")
);puts(W&1?"WIN":"LOSE");}K[]={2,3,1};s(f,d,i
,j,l,P){for(i=4;i--;)for(j=k=l=0;k<4;)j<4?P=M
[w(d,i,j++)],W|=P>>11,l*P&&(f?M[w(d,i,k)]=l<<
(l==P):0,k++),l=l?P?l-P?P:0:l:P:(f?M[w(d,i,k)
]=l:0,++k,W|=2*!l,l=0);}w(d,i,j){return d?w(d
-1,j,3-i):4*i+j;}T(i){for(i=X+rand()%X;M[i%X]
*i;i--);i?M[i%X]=2<<rand()%2:0;for(W=i=0;i<4;
)s(0,i++);for(i=X,puts("\e[2J\e[H");i--;i%4||
puts(""))printf(M[i]?"%4d|":"    |",M[i]);W-2

esfand

Embedded Variables

The ngx_http_core_module module supports embedded variables with names matching the Apache Server variables. First of all, these are variables representing client request header fields, such as $http_user_agent, $http_cookie, and so on. Also there are other variables:

• $arg_name
  argument name in the request line

psi-4ward

var app = require('express')();
var GridStore = require('mongodb').GridStore;
var ObjectID = require('mongodb').ObjectID;
var MongoClient = require('mongodb').MongoClient;
var Server = require('mongodb').Server;

var dbConnection;
MongoClient.connect("mongodb://localhost:27017/ersatz?auto_reconnect", {journal: true}, function(err, db) {
  dbConnection = db;
  app.listen(3000);