Gabriel gbalbuena

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Powerlevel10k

Each of these commands will run an ad hoc http static server in your current (or specified) directory, available at http://localhost:8000. Use this power wisely.

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Python 2.x

$ python -m SimpleHTTPServer 8000

Latency numbers every programmer should know

L1 cache reference ......................... 0.5 ns
Branch mispredict ............................ 5 ns
L2 cache reference ........................... 7 ns
Mutex lock/unlock ........................... 25 ns
Main memory reference ...................... 100 ns             
Compress 1K bytes with Zippy ............. 3,000 ns  =   3 µs
Send 2K bytes over 1 Gbps network ....... 20,000 ns  =  20 µs
SSD random read ........................ 150,000 ns  = 150 µs

Read 1 MB sequentially from memory ..... 250,000 ns = 250 µs

	'use strict';

	var mockDelay;
	var mockError;
	var mockResponse = {
	status: function () {
	return 200;
	},
	ok: true,
	get: jest.genMockFunction(),

	<select name="timezone" >
	<option disabled selected style='display:none;'>Time Zone...</option>

	<optgroup label="US (Common)">
	<option value="America/Puerto_Rico">Puerto Rico (Atlantic)</option>
	<option value="America/New_York">New York (Eastern)</option>
	<option value="America/Chicago">Chicago (Central)</option>
	<option value="America/Denver">Denver (Mountain)</option>
	<option value="America/Phoenix">Phoenix (MST)</option>
	<option value="America/Los_Angeles">Los Angeles (Pacific)</option>

	#!/usr/bin/env bash

	uninstall() {
	list=`gem list --no-versions`
	for gem in $list; do
	gem uninstall $gem -aIx
	done
	gem list
	gem install bundler
	}

	=Navigating=
	visit('/projects')
	visit(post_comments_path(post))

	=Clicking links and buttons=
	click_link('id-of-link')
	click_link('Link Text')
	click_button('Save')
	click('Link Text') # Click either a link or a button
	click('Button Value')

	{
	"presets": ["es2015"],
	"plugins": ["transform-async-to-generator"]
	}