Tutorial by Examples: at

Android now supports devices with 512MB of RAM. This documentation is intended to help OEMs optimize and configure Android 4.4 for low-memory devices. Several of these optimizations are generic enough that they can be applied to previous releases as well. Enable Low Ram Device flag We are introduc...

DispatchSemaphore provides an efficient implementation of a traditional counting semaphore, which can be used to control access to a resource across multiple execution contexts. A scenario for when to use a semaphore could be if you are doing some file reading/writing, if multiple tasks are t...

Swift 3 Serial Queue func serialQueues () { let serialQueue = DispatchQueue(label: "com.example.serial") //default queue type is a serial queue let start = Date () for i in 0...3 { //launch a bunch of tasks serialQueue.a...

Openfire it's available to download at Ignite Realtime website It's also possible to download relative source codeenter link description here Windows installer: Just execute the exe and follow basic instructions as any program (installation directory, shortcut etc.). Unix-Linux-Mac install:...

Be aware that the WebBrowser control is not sympathetic to your XAML definition, and renders itself over the top of other things. For example, if you put it inside a BusyIndicator that has been marked as being busy, it will still render itself over the top of that control. The solution is to bind th...

How to ... 1 - use twig extension class that extends use \Twig_Extension class dobToAge extends \Twig_Extension { 2 - Add the appropriate filter by overriding getFilters() method public function getFilters() { return array( 'age' => new \Twig_Filter_Method($this, '...

Installation: To install the LoopBack command-line interface (CLI) tool: npm install -g loopback-cli This installs the lb command-line tool for scaffolding and modifying LoopBack applications. Create new application: To create a new application: lb The LoopBack application generator will ...

This is the typical approach for novice developers building SQL action queries. They are vulnerable to the Bobby Tables type SQL Injection attacks. Dim strSQL As String strSQL = "INSERT INTO Employees chrFirstName, chrLastName, chrPhone " _ & "VALUES ('" & M...

Detailed instructions on getting opengl-es-2.0 set up or installed.

Let's apply the State Machine pattern for parsing lines with the specific pattern using S4 Class feature from R. PROBLEM ENUNCIATION We need to parse a file where each line provides information about a person, using a delimiter (";"), but some information provided is optional, and instea...

UILabel, UITextField, & UITextView classes have a new property starting from iOS 10 for automatically resizing their font when a user changes their preferred reading size named adjustsFontForContentSizeCategory. Swift @IBOutlet var label:UILabel! if #available(iOS 10.0, *) { label.adju...

(clj-time/date-time 2017 1 20) Gives you a Joda time of 20th Jan 2017 at 00:00:00. Hours, minutes and seconds can also be specified as (clj-time/date-time year month date hour minute second millisecond)

In the directory if the xcodeproj, create a new file called Podfile. The following is an example of a Podfile that installs the pod 'AFNetworking' version 1.0 to the app MyApp. target 'MyApp' pod 'AFNetworking', '~> 1.0'

Scala supports lazy evaluation for function arguments using notation: def func(arg: => String). Such function argument might take regular String object or a higher order function with String return type. In second case, function argument would be evaluated on value access. Please see the example...

These instructions are for a base install of Community Edition for local development purposes. Mac (Official documentation is maintained here) 1. Install Dependencies: Homebrew brew install arangodb If you don't want Homebrew or otherwise prefer a binary, you can download it instead here. 2...

Behat/Mink Install using composer (for other methods check ) behat.org If you using linux, please go sure that you have installed php-curl (normal curl installation won't work) Linux sudo apt-get install php5-curl If you are using Windows, make sure you have PHP, Curl and Git installed. You...

Internally, Django uses the Python logging system. There is many way to configure the logging of a project. Here is a base: LOGGING = { 'version': 1, 'disable_existing_loggers': False, 'formatters': { 'default': { 'format': "[%(asctime)s] %(levelname)s [%(n...

In this example, we create an empty index (we index no documents in it) by defining its mapping. First, we create an ElasticSearch instance and we then define the mapping of our choice. Next, we check if the index exists and if not, we create it by specifying the index and body parameters that cont...

You can create a new paint with one of these 3 constructors: new Paint() Create with default settings new Paint(int flags) Create with flags new Paint(Paint from) Copy settings from another paint It is generally suggested to never create a paint object, or any other object in onDraw() as it ...

I use Spring Boot 1.4.4.RELEASE , with MySQL as the Database and Spring Data JPA abstraction to work with MySQL. Indeed ,it is the Spring Data JPA module that makes it so easy to set up Pagination in a Spring boot app in the first place. Scenario expose an endpoint /students/classroom/{id} . It wi...