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thegitfather / sum-reduce.js
Created Sep 10, 2019
use reduce() to calc sum of some property in object[]
View sum-reduce.js
calcSum = (items, prop) => {
return items.reduce((a, b) => a + b[prop], 0);
let foo = [{price: 1}, {price: 2}, {price: 3}];
calcSum(foo, 'price'); // 6



import { NgModule } from '@angular/core';

  declarations: ...,
  imports: ...,
thegitfather / twitch-auto-fullscreen.user.js
Last active Aug 16, 2019
Twitch Auto Fullscreen (tampermonkey)
View twitch-auto-fullscreen.user.js
// ==UserScript==
// @name Twitch Auto Fullscreen
// @namespace
// @version 0.1
// @description Enter fullscreen after a countdown (ESC to cancel)
// @author You
// @include*
// @include*
// @require
// @grant GM_addStyle
thegitfather / parameter-url.js
Created Mar 18, 2019
function to return url parameters as a string
View parameter-url.js
_computeSearchUrlParameters(freeTextSearch, originFilter, destinationFilter, quotationStatusFilter) {
const argNames = ['freeTextSearch', 'originFilter', 'destinationFilter', 'quotationStatusFilter'];
let result = '?';
[], (arg, index) => {
if (arg && arg.length) {
result += argNames[index] + '=' + arg + '&';
View .gitignore
### Node ###
# Logs
# Optional npm cache directory
thegitfather /
Created May 7, 2017
assign exit code of a sub shell command to a variable
ALIVE=$(ping -c 3 &>/dev/null ; echo $?)
thegitfather /
Last active Dec 12, 2019
Vanilla JavaScript Quick Reference / Cheatsheet
View http-status-codes.js
var httpStatusCodes = {
// 1xx Informational
// Request received, continuing process.[2]
// This class of status code indicates a provisional response, consisting only of the Status-Line and optional headers, and is terminated by an empty line. Since HTTP/1.0 did not define any 1xx status codes, servers must not send a 1xx response to an HTTP/1.0 client except under experimental conditions.
'100': 'Continue', //This means that the server has received the request headers, and that the client should proceed to send the request body (in the case of a request for which a body needs to be sent; for example, a POST request). If the request body is large, sending it to a server when a request has already been rejected based upon inappropriate headers is inefficient. To have a server check if the request could be accepted based on the request's headers alone, a client must send Expect: 100-continue as a header in its initial request[2] and check if a 100 Continue status code is received in response be
View index.html
<!DOCTYPE html>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width">
<title>JS Bin</title>
<style id="jsbin-css">
.container {
display: flex;
flex-flow: row wrap;
thegitfather / singleton.js
Last active Feb 21, 2016
singleton pattern
View singleton.js
* - It instantiates only a single object
* - Its safe – it keeps the reference to the singleton inside a variable, which
* lives inside a lexical closure and is not accessible by the outside world
* - It allows you to initialize the singleton with some arguments. The module
* pattern, which wraps the singleton is not aware of the initialization
* arguments – it simply forwards the call with apply
* - You can use the instanceof operator
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