OliverJAsh

import * as React from 'react';

const useIsFirstRender = (): boolean => {
  const isFirst = React.useRef(true);

  if (isFirst.current) {
    isFirst.current = false;

    return true;
  } else {

danielkcz

import React from 'react';
import { StyleSheet, Text, View } from 'react-native';
import { Util } from 'expo'

export default class App extends React.Component {
  state = {
    updated: false,
  }
  componentWillMount() {
    Util.addNewVersionListenerExperimental(() => {

inem

Как готовить скринкасты

1. Выставить минимальное разрешение монитора
2. Проверить чтобы в сайдбаре файндера не было лишнего
3. Папки создавать только на английском, сайты в браузере - только на английском
4. Записывать с помощью QuickTime
5. Первым делом кликнуть на Desktop, чтобы из менюбара ушел Quicktime
6. Монтировать в iCloud
   • Разкропнуть

• Убрать звук

jgautheron

import {call, put, take, fork} from 'redux-saga/effects'
import {END} from 'redux-saga'
import CategoryActions, {CategoryTypes} from '../Redux/CategoryRedux'

// attempts to fetch category
export function* fetchCategoryServer (api) {
  let action = yield take(CategoryTypes.CATEGORY_SERVER)
  // check when it stopped
  while (action !== END) {
    yield fork(fetchCategoryAPI, api)

mpolci

Helper function

This function create a saga that runs the sagas in the startingSagas array and takes the actions with type indicated by changeActionType to replace the running sagas. The replacing actions must have a field sagas cointaining the array with the new sagas.

function createDynamicSaga (changeActionType, startingSagas) {
  function* _start (sagas) {
    try {
      yield sagas

indiesquidge

/* 
 Let us re-create `Promise.all`

 `Promise.all` method returns a promise that resolves when all of the promises in the iterable argument have resolved, 
 or rejects with the reason of the first passed promise that rejects.
 
 Read more about `Promise.all` on MDN: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Promise/all
 
 A basic example would be something like this:
 

tzmartin

Office Web Apps Viewer

('.ppt' '.pptx' '.doc', '.docx', '.xls', '.xlsx')

http://view.officeapps.live.com/op/view.aspx?src=[OFFICE_FILE_URL]

<iframe src='https://view.officeapps.live.com/op/embed.aspx?src=[OFFICE_FILE_URL]' width='px' height='px' frameborder='0'>
</iframe>

OneDrive Embed Links

avafloww

/*<?php
//*/public class PhpJava { public static void main(String[] args) { System.out.printf("/*%s",
//\u000A\u002F\u002A
class PhpJava {
    static function main() {
        echo(//\u000A\u002A\u002F
        "Hello World!");
}}
//\u000A\u002F\u002A
PhpJava::main();

anvk

function asyncFunc(e) {
  return new Promise((resolve, reject) => {
    setTimeout(() => resolve(e), e * 1000);
  });
}

const arr = [1, 2, 3];
let final = [];

function workMyCollection(arr) {

wesbos

{
  "keys": ["tab"], 
  "command": "expand_abbreviation_by_tab", 

  // put comma-separated syntax selectors for which 
  // you want to expandEmmet abbreviations into "operand" key 
  // instead of SCOPE_SELECTOR.
  // Examples: source.js, text.html - source
  "context": [
    {