Tutorial by Examples: u

If you want to use the MySQL command IN() in the QueryBuilder, you can do it with the in() function of the ExpressionBuilder class. // get an ExpressionBuilder instance, so that you $expressionBulder = $this->_em->getExpressionBuilder(); $qb = $this->_em->createQueryBuilder() ->se...

A Bootstrap dropdown is a Bootstrap component that allows an HTML element trigger the display of a sub-menu dropdown upon the element being clicked. Here is a basic HTML usage example: <div class="dropdown"> <button id="dLabel" type="button" data-toggle=&q...

def make_unicode(data): if type(data) != unicode: data = data.decode('utf-8') return data else: return data

Ever wondered why you cannot use Assert.Equals() for both Nunit and MSTest. If you have not then maybe as a start you need to be aware that you cannot use this method. Instead you would use Assert.AreEqual() to compare two objects for equality. The reason here is very simple. Like any class the Ass...

Manually enabling menu items To manually control the enabled state of a menu items the menu that contains it must disable automatic enabling of its items Menus can turn off automatic enabling in one of two ways: In the Interface Builder In code menu.autoenablesItems = false Both of t...

When your Bluetooth LE Watcher's callback is triggered, the eventArgs include an RSSI value telling you the received signal strength (how strong the private async void OnAdvertisementReceived(BluetoothLEAdvertisementWatcher watcher, BluetoothLEAdvertisementReceivedEventArgs eventArgs) { // Th...

/** * @author piotrek1543 * * This example provides a specific UI testing problem and how it is already solved * with Google's Espresso. Notice that I used also Spoon framework, as Espresso * lacks of taking screenshots functionality. */ @RunWith(AndroidJUnit4.class) public class M...

It depends on kind of hosting that you have: If you have SSH console, then you can do it on hosting after step 2, if you haven't then do it locally: run command php app/console cache:clear --env=prod'. Suppose you have on you hosting folders youdomain/public_html, so in public_html m...

Suppose you have a table and you want to change one of this table primary id. you can use the following scrpit. primary ID here is "PK_S" begin for i in (select a.table_name, c.column_name from user_constraints a, user_cons_columns c where a.CONSTRAINT_TYPE...

As previous example, this script request elevation if needed. We ask the user for credentials avoiding the UAC prompt. @echo off cls & set "user=" & set "pass=" :: check if we have administrative access :: ----------------------------------------------------------...

trait PartialFunction[-A, +B] extends (A => B) Every single-argument PartialFunction is also a Function1. This is counter-intuitive in a formal mathematical sense, but better fits object oriented design. For this reason Function1 does not have to provide a constant true isDefinedAt method. To...

puts "Hello readers".reverse # => "sredaer olleH" class String def reverse "Hell riders" end end puts "Hello readers".reverse # => "Hell riders"

<package id="jQuery" version="1.10.2" targetFramework="net452" /> <package id="jQuery.Validation" version="1.11.1" targetFramework="net452" /> <package id="Microsoft.jQuery.Unobtrusive.Validation" version="3....

public class BundleConfig { public static void RegisterBundles(BundleCollection bundles) { bundles.Add(new ScriptBundle("~/bundles/jquery").Include( "~/Scripts/jquery-{version}.js")); bundles.A...

These events can be used to communicate between 2 or more controllers. $emit dispatches an event upwards through the scope hierarchy, while $broadcast dispatches an event downwards to all child scopes.This has been beautifully explained here. There can be basically two types of scenario while comm...

Modules can be split across many .js files in the same folder. An example in a my_module folder: function_one.js module.exports = function() { return 1; } function_two.js module.exports = function() { return 2; } index.js exports.f_one = require('./function_one.js'); exports.f_two...

TStringList is a descendant of the TStrings class of the VCL. TStringList can be used for storing and manipulating of list of Strings. Although originally intended for Strings, any type of objects can also be manipulated using this class. TStringList is widely used in VCL when the the purpose is t...

1. Install GLFW First step is to create an OpenGL window. GLFW is an Open Source, multi-platform library for creating windows with OpenGL, to install GLFW first download its files from www.glfw.org Extract the GLFW folder and its contents will look like this Download and install CMake to buil...

Module is a container for various parts of your applications - controller, services, filters, directive, etc. Why to use Modules Most applications have a main method that instantiates and wires together the different parts of the application. Angular apps don't have main method. But in AngularJ...

Here's how to Handle a popup alert in Java with Selenium: There are 3 types of popups. Simple alert : alert("This is a simple alert"); Confirmation alert : var popuResult = confirm("Confirm pop up with OK and Cancel button"); Prompt alert : var person = prompt(&...