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Org provides a full markup language which helps structuring the document, and is reflected as accurately as possible when exporting to other formats (like HTML or LaTeX). Structure Document title #+TITLE: This is the title of the document Sectioning * First level ** Second level Lists Or...

This can be useful if you're writing a game or something that needs to execute a piece of code every a few seconds. import android.os.Handler; public class Timer { private Handler handler; private boolean paused; private int interval; private Runnable task = new Runnable ...

MSBuild evaluates PropertyGroup, Choose and ItemGroup elements that are directly under the Project element before those that are in Target elements. Directly under the Project element, PropertyGroup and Choose elements are evaluated in the order in which they appear, and then ItemGroup elements a...

Professionally made web applications don't expose the internal details of the server environment to the user. When you place an order at your retailer, you don't see (or have to type) https://mydealer.com:8443/Dealerapp/entryPage.html, but just mydealer.com, although the app server needs all the det...

content-model.xml : .... <constraints> <constraint name="my:aConstraintList" type="x.y.z.project.model.constraint.AConstraintList"> </constraint> .... <property name="my:aValue"> <title>My Value</title> <typ...

Static initialization is suitable for most situations. When your application must delay the instantiation, use a non-default constructor or perform other tasks before the instantiation, and work in a multithreaded environment, you need a different solution. Cases do exist, however, in which you cann...

Angular 2 has two kinds of custom validators. Synchronous validators as in the first example that will run directly on the client and asynchronous validators (the second example) that you can use to call a remote service to do the validation for you. In this example the validator should call the ser...

This program will draw some shapes on the display, draw "hello world!" in the middle of the screen and let an image go to every corner of the window. You can use every image you want, but you will need to place the image file in the same directory as your program. the entire code: import...

Ubuntu 14.04 example sudo nginx -t

using System; namespace ConsoleApplication1 { class Program { static void Main(string[] args) { var foo = new ClassWithDependency(); foo.DoSomething(); var bar = new InjectedDependency(); foo.Dependency = bar; ...

using System; namespace ConsoleApplication1 { class Program { static void Main(string[] args) { var dep = new DefaultDependency(); var foo = new ClassWithDependency(dep); foo.DoSomething(); var bar = new Injected...

WordPress shortcodes were introduced in 2.5 Here is come example of shortcode [button] to use shortcode direct into theme you have to use do_shortcode() <?php echo do_shortcode('[button]'); ?> To customize the button, we could simply add something like: [button type="twitter&qu...

Java Config The configuration class needs only to be a class that is on the classpath of your application and visible to your applications main class. class MyApp { public static void main(String[] args) throws Exception { AnnotationConfigApplicationContext appContext = ...

The Gson library provides Gson.class which handles all conversion between Java and JSON objects. An instance of this class can be created by invoking default constructor. You usually would like to have one Gson instance for the most part of operations in your program. Gson gson = new Gson(); Fir...

Edmx model internel public partial class ItemRequest { public int RequestId { get; set; } //... } Adding data annotation to this - if we modify this model directly, when a update to the model is made, the changes are lost . so To add a attribute in this case 'Required' Create a new...

Sparse indexes: These can be particularly useful for fields that are optional but which should also be unique. { "_id" : "[email protected]", "nickname" : "Johnnie" } { "_id" : "[email protected]" } { "_id" : "julia@example...

In Express, you can define middlewares that can be used for checking requests or setting some headers in response. app.use(function(req, res, next){ }); // signature Example The following code adds user to the request object and pass the control to the next matching route. var express = req...

In Express, you can define unified error handler for handling errors occurred in application. Define then handler at the end of all routes and logic code. Example var express = require('express'); var app = express(); //GET /names/john app.get('/names/:name', function(req, res, next){ if...

xdmp:estimate(cts:search(fn:doc(), cts:element-value-query(xs:QName("d"), "fragment-d"))) xdmp:estimate can not be used on XPaths unlike fn:count is used in previous example xdmp:estimate actually gives the number of matching fragments

Q_OBJECT macro appears in private section of a class. Q_OBJECT requires the class to be subclass of QObject. This macro is necessary for the class to declare its signals/slots and to use Qt meta-object system. If Meta Object Compiler (MOC) finds class with Q_OBJECT, it processes it and generates C+...