Tutorial by Examples: p

Simplicity Probably the best part of CoffeeScript is its simplicity. CoffeeScript allows for a more concise and simplistic syntax than plain JavaScript. One simple but surprisingly time-saving feature is that CoffeeScript has no need for ; or {}, eliminating the need to spend hours finding out the ...

This sample uses a ToDataReader method described here Creating a Generic List DataReader for SqlBulkCopy. This can also be done using non-async methods. public class Widget { public int WidgetId {get;set;} public string Name {get;set;} public int Quantity {get;set;} } public as...

This sample uses a ToDataReader method described here Creating a Generic List DataReader for SqlBulkCopy. This can also be done using async methods. public class Widget { public int WidgetId {get;set;} public string Name {get;set;} public int Quantity {get;set;} } public void A...

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...

MongoDB.connect('mongodb://localhost:27017/databaseName', function(error, database) { if(error) return console.log(error); const collection = database.collection('collectionName'); collection.insert({key: 'value'}, function(error, result) { console.log(error, result); }); }...

const MongoDB = require('mongodb'); MongoDB.connect('mongodb://localhost:27017/databaseName') .then(function(database) { const collection = database.collection('collectionName'); return collection.insert({key: 'value'}); }) .then(function(result) { co...

You must always unregister scopes other then your current scope as shown below: //always deregister these $rootScope.$on(...); $scope.$parent.$on(...); You don't have to deregister listners on current scope as angular would take care of it: //no need to deregister this $scope.$on(...); $r...

<div class="container content"> <div class="row"> <!--Main Content--> <div class="col-lg-9 col-lg-push-3"> Main Content </div> <!--Sidebar--> <div class=&quot...

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...

$skuList = array('SKU-1', 'SKU-2',...,'SKU-n); $_productCollection = Mage::getModel('catalog/product') ->getCollection() ->addAttributeToFilter('sku', array('in' => $skuList)); OR $_productCollection = Mage::getResourceModel('catalog/product_collection') ->addAttributeToFilter('s...

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...

This API, sometimes also referred to as "API v3", "YouTube Data API v3" or just "YouTube API", is the most commonly used YouTube API. It enables an application to read, alter, add or delete data related to videos, playlists and channels. This includes, but is not limite...

These APIs are used to query for video and channel analytics, like views/clicks and votes.

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...

Imagine you have a class manager to manages sending mails (be called MailManager). In this, you have to log mails that are sent. A good solution is to transform the MailManager class into a service and then inject class for creating logs (Monolog for example) into the MailManager creating a service...

Sample zipcode dataset in zipcodes.json stored in c:\Users\yc03ak1\Desktop\zips.json { "_id" : "01001", "city" : "AGAWAM", "loc" : [ -72.622739, 42.070206 ], "pop" : 15338, "state" : "MA" } { "_id" : "01...

Sample test dataset CSV file stored at the location c:\Users\yc03ak1\Desktop\testing.csv _id city loc pop state 1 A [10.0, 20.0] 2222 PQE 2 B [10.1, 20.1] 22122 RW 3 C [10.2, 20.0] 255222 RWE 4 D [10.3, 20.3] 226622 SFDS 5 E [10...

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...

Creating a self-closing shortcode with parameters <?php function button_shortcode( $type ) { extract( shortcode_atts( array( 'type' => 'value' ), $type ) ); // check what type user entered switch ($type) { case 'twitter': ...