omernaci

Connect to Amazon EC2 Instance

To install MySQL, run the following command from a terminal prompt: sudo apt-get install mysql-server

	/*
	The : is a special character in CSS identifiers,
	it represents the start of a pseudo class selector like :hover, :first-child, etc. You would need to escape it.
	*/

	#phoneForm\:phoneTable {
	background: pink;
	}

	...
	<context-param>
	<param-name>javax.faces.DATETIMECONVERTER_DEFAULT_TIMEZONE_IS_SYSTEM_TIMEZONE</param-name>
	<param-value>true</param-value>
	</context-param>
	...

	$('#theField').on('keypress input', function() {
	var value = $(this).val();
	value = value.replace(/\D+/, ''); // removes any non-number char
	$(this).val(value);
	})

	<?xml version="1.0" encoding="utf-8"?>
	<manifest xmlns:android="http://schemas.android.com/apk/res/android"
	package="com.example.yako.volleyinstalltest" >

	<uses-permission android:name="android.permission.INTERNET" />

	<application
	android:name="AppController"
	android:allowBackup="true"
	android:icon="@mipmap/ic_launcher"

	...
	<input
	onkeypress="if(event.which != 8 && (event.which < 48 \|\| event.which > 57)) return false;" />

	...

	/*
	http://www.elizabethcastro.com/html/extras/entities.html
	Entities for characters with special meaning in HTML and XHTML
	*/

	<!DOCTYPE html>
	<html>
	<body>

	<p>Click "Try it" to call a function with arguments</p>

	<button onclick="myFunction('Harry Potter','Wizard')">Try it</button>

	<p id="demo"></p>

	...

	public class CharacterEncodingFilter implements Filter {

	public void init(FilterConfig config) throw ServletException {
	}

	public void doFilter(ServletRequest request, ServletResponse, FilterChain chain) throws IOException, ServletException {
	request.setCharacterEncoding("UTF-8");
	response.setCharacterEncoding("UTF-8");

	...
	<input onfocus="disableFirstCharZero('inputId')"></input>
	...


	function disableFirstCharZero(elementId) {
	$ ('#' + elementId).on( 'input propertychange paste', function(e) {
	var reg = /^0+/gi;
	if ( this.value.match(reg) ) {
	this.value = this.value.replace(reg, '');

	try (ClosableHttpClient httpClient = HttpClients.createDefault()) {

	HttpHost proxy = new HttpHost("proxy host", 3128);

	RequestConfig config = RequestConfig.custom()
	.setProxy(proxy)
	.build();

	HttpGet httpget = new HttpGet("/path");
	httpget.setConfig(config);