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Eventloop in pseudo code An event loop is a loop that waits for events and then reacts to those events while true: wait for something to happen react to whatever happened Example of a single-threaded HTTP server with no event loop while true: socket = wait for the next TCP c...

2009 3rd March : The project was named as "node" 1st October : First very early preview of npm, the Node package manager 8th November : Ryan Dahl's (Creator of Node.js) Original Node.js Talk at JSConf 2009 2010 Express: A Node.js web development framework Socket.io initial...

Terminal Commands: rails g model Product name:string quantity:integer price:decimal{12,2} rake db:migrate Lates create controller. Terminal Commands: rails g controller Products Controller Code: class HistoriesController < ApplicationController def create file = Dir.glob(...

You can source configuration from environment variables by calling .AddEnvironmentVariables() on you ConfigurationBuilder. It will load environment variables prefixed with APPSETTING_ It will then use colon : as the key path separator. This means that : following environement settings : APPSETTI...

public String getHighlightedText(final QueryResponse queryResponse, final String fieldName, final String docId) { String highlightedText = ""; Map<String, Map<String, List<String>>> highlights = queryResponse.getHighlighting(); if (highlights!=null &&am...

To use OpenGL ES in your application you must add this to the manifest: <uses-feature android:glEsVersion="0x00020000" android:required="true"/> Create your extended GLSurfaceView: import static android.opengl.GLES20.*; // To use all OpenGL ES 2.0 methods and constants...

In order to be able to directly deploy web project changes to an Web Server, the following steps must be followed. If target server has Internet access, the process is quite simple, as Microsoft has a Web Platform package to do almost everything that is needed. Cleanup Make sure that C:\Progra...

Download the desired version of WordPress from www.wordpress.org to your local computer and unzip the file. Also keep a backup of your current version... just in case. Connect to your website with your favorite FTP client (FileZilla is popular and easy, but any FTP client will be fine)...

import com.couchbase.client.core.endpoint.SSLEngineFactory import com.couchbase.client.java.env.DefaultCouchbaseEnvironment import com.couchbase.client.java.CouchbaseCluster object CouchbaseConnection extends App { //Create default environment object. //Set the keystone file path(downlo...

At the very core, your entity main DAC must have GUID column (NoteID) to reference CSAnswers table and must have field that identify the class of the Entity. We will make use of Order Type to define list of attributes to gather particular order type-specific information. Create a Graph Extension f...

mvc demo Hello World

While using Image/Colour as an background in a CardView, You might end up with slight white paddings (If default Card colour is white) on the edges. This occurs due to the default rounded corners in the Card View. Here is how to avoid those margins in Pre-lollipop devices. We need to use an attribu...

Fully configuration of Web deployment without Internet connection (offline) is harder to make because Web platform installer (UI) operates by querying packages list and content from an Internet location. Cleanup Make sure that C:\Program Files\IIS does not contain older version of Microsoft We...

To be able to change the view location, you need to implement the IViewLocationExpander. The ExpandViewLocations method returns an IEnumerable<string> containing the different locations where to search, with public class MyViewLocationExpander : IViewLocationExpander { public IEnumerabl...

You now need to register the Expander, in order for it to be used by the Razor View Engine. Just add this in the ConfigureServices of your Startup class. public void ConfigureServices(IServiceCollection services) { services.Configure<RazorViewEngineOptions>(options => { opti...

public static boolean isConnectedNetwork (Context context) { ConnectivityManager cm = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE); return cm.getActiveNetworkInfo () != null && cm.getActiveNetworkInfo ().isConnectedOrConnecting (); ...

Toasts are generally used when we want to display an information to the user regarding some action that has successfully (or not) happened and this action does not require the user to take any other action. Like when a message has been sent, for example: Toast.makeText(this, "Message Sent!&quo...

Without splatting it is very cumbersome to try and pass values down through the call stack. But if you combine splatting with the power of the @PSBoundParameters then you can pass the top level parameter collection down through the layers. Function Outer-Method { Param ( [string...

The Java Native Interface (JNI) allows you to call Java functions from native code. Here is a simple example of how to do it: Java code: package com.example.jniexample; public class JNITest { public static int getAnswer(bool) { return 42; } } Native code: int getTheAnswer(...

private static void saveItem(List<EventTracker> items) { List<WriteRequest> wrList = new ArrayList<>(); try { for (EventTracker item : items) { WriteRequest wreqItem; wreqItem = getWriteRequest(item); wrList.add(wreqItem);...