gg kukagg

What forces layout / reflow

All of the below properties or methods, when requested/called in JavaScript, will trigger the browser to synchronously calculate the style and layout*. This is also called reflow or layout thrashing, and is common performance bottleneck.

Generally, all APIs that synchronously provide layout metrics will trigger forced reflow / layout. Read on for additional cases and details.

Element APIs

Getting box metrics

elem.offsetLeft, elem.offsetTop, elem.offsetWidth, elem.offsetHeight, elem.offsetParent

Simple implementation of debounced fetching in GraphQL to allow merging of multiple rest / database requests into one. Although this example uses GraphQL, the debouncedFetch / fetchProgramPlaycount implementations could probably be used in any context to achieve the same result.

This approach was first described by @leebyron at graphql/graphql-js#19 (comment)

For example this allows turning ten requests for playcounts from this GraphQL query into just one:

{
  latestPrograms(first: 10) {
    name,

playcount

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.

Better local require() paths for Node.js

Problem

When the directory structure of your Node.js application (not library!) has some depth, you end up with a lot of annoying relative paths in your require calls like:

const Article = require('../../../../app/models/article');

Those suck for maintenance and they're ugly.

	.sap-green {
	background-color: #0A3410;
	}
	.sap-green-text {
	color: #0A3410;
	}
	.sap-green-border {
	border-color: #0A3410;
	}

	// Update: Hey Folks - I've got a full Gulpfile with everything else over at https://github.com/wesbos/React-For-Beginners-Starter-Files

	var source = require('vinyl-source-stream');
	var gulp = require('gulp');
	var gutil = require('gulp-util');
	var browserify = require('browserify');
	var reactify = require('reactify');
	var babelify = require('babelify');
	var watchify = require('watchify');
	var notify = require('gulp-notify');

	var connectionString = 'postgres://localhost:5432/postgres';
	var Promise=require('bluebird');


	var knex = require('knex')({
	client: 'pg',
	connection: {
	user: 'postgres',
	database: 'postgres',
	port: 5432,

	# There was a day where I have too many color schemes in iTerm2 and I want to remove them all.
	# iTerm2 doesn't have "bulk remove" and it was literally painful to delete them one-by-one.

	# iTerm2 save it's preference in ~/Library/Preferences/com.googlecode.iterm2.plist in a binary format
	# What you need to do is basically copy that somewhere, convert to xml and remove color schemes in the xml files.

	$ cd /tmp/
	$ cp ~/Library/Preferences/com.googlecode.iterm2.plist .
	$ plutil -convert xml1 com.googlecode.iterm2.plist
	$ vi com.googlecode.iterm2.plist

	//Set Variables
	$button-white: #ffffff;
	$button-green: #44ca00;
	$button-green-dark: #369a12;
	$button-blue: #a6d1f9;
	$button-blue-dark: #14283e;
	$button-gray: #eeeeee;
	$button-red: #9e0b0f;

	//Create Array

	#!/usr/bin/env bash
	curl https://s3.amazonaws.com/heroku-jvm-buildpack-vi/vim-7.3.tar.gz --output vim.tar.gz
	mkdir vim && tar xzvf vim.tar.gz -C vim
	export PATH=$PATH:/app/vim/bin