Tutorial by Examples: at

Installation

Quick installation guide: Download and unzip the PrestaShop package to a directory in you web hosting. Create a database for PrestaShop. Open a browser to the url where are PrestaShop files. Follow the screen istructions. Delete the /install directory and rename /admin directory. Official ...

Simple memoization

def count = 0 nonmemoized = { long n -> println "nonmemoized: $n"; count++ } nonmemoized(1) nonmemoized(2) nonmemoized(2) nonmemoized(1) assert count == 4 def mcount = 0 memoized = { long n -> println "memoized: $n"; mcount++ }.memoize() memoized(1) me...

Create a new area

Right click on your project folder/name and create new area and name it. In mvc internet/empty/basic application a folder with the name of the area will be created,which will contain three different folders named controller , model and views and a class file called "areanameAreaRegistration.c...

Create a new controller and configure areanameAreaRegistration.cs maproute

Create a new controller foreg ControllerName: "Home", ActionresultName :"Index" open AreaRegistraion.cs and add the controller name and action name to be rerouted to context.MapRoute( "nameofarea_default", "nameofarea/{controller}/...

Precondition that throws a specific Exception

using System.Diagnostics.Contracts; public int DivideNumbers(int numerator, int denominator) { Contract.Requires<ArgumentOutOfRangeException>(denominator != 0); return numerator / denominator; }

Action filter usage locations (global, controller, action)

You can place action filters at three possible levels: Global Controller Action Placing a filter globally means it will execute on requests to any route. Placing one on a controller makes it execute on requests to any action in that controller. Placing one on an action means it runs with the...

Relationship between Hibernate and JPA

Hibernate is an implementation of the JPA standard. As such, everything said there is also true for Hibernate. Hibernate has some extensions to JPA. Also, the way to set up a JPA provider is provider-specific. This documentation section should only contain what is specific to Hibernate.

Object Data Source

<asp:ObjectDataSource ID="ObjectDataSourceEmployees" runat="server" TypeName="MyPackage.MyDataAccessClass" DataObjectTypeName="MyPackage.Employee" SelectMethod="GetEmployees" UpdateMethod="SaveEmplo...

Manual creating JSON

import play.libs.Json; public JsonNode createJson() { // {"id": 33, "values": [3, 4, 5]} ObjectNode rootNode = Json.newObject(); ArrayNode listNode = Json.newArray(); long values[] = {3, 4, 5}; for (long val: values) { listNode.add(val); ...

Using different Properties/Configuration for different environments like dev, qa, staging etc.

Large scale applications often need different properties when running on different environments. we can achieve this by passing arguments to NodeJs application and using same argument in node process to load specific environment property file. Suppose we have two property files for different enviro...

Create an inbound filter for the search

Inbound filter is applied when item is added to the search index and allows to specify whether item is included to the index or not. Examples when inbound filter can be used - do not include standard values and previous versions of the item in the index. Inbound filters are set in configuration: ...

Create an outbound filter for the search

Outbound filter can be used to filter the search results. One of the examples of outbound filter usage is removing items which user doesn't have access to from search results. Outbound filters are set in the configuration: <indexing.filterIndex.outbound> <processor type="Sitecore....

Navigate to Uri

This code simply navigates WebView to some Uri: this.webView.Navigate(new Uri("http://stackoverflow.com/")); or this.webView.Source = new Uri("http://stackoverflow.com/");

Navigate with HttpRequestMessage

Set custom user agent and navigate to Uri: var userAgent = "my custom user agent"; var uri = new Uri("http://useragentstring.com/"); var requestMessage = new HttpRequestMessage(HttpMethod.Get, uri); requestMessage.Headers.Add("User-Agent", userAgent); this.webVie...

Navigate to string

Show specified html string in WebView: var htmlString = @"<!DOCTYPE html> <html> <head><title>HTML document</title></head> <body> <p>This is simple HTML content.</p> </body>...

NavigateToLocalStreamUri

In case when NavigateToString can't handle some content, use NavigateToLocalStreamUri method. It will force every locally-referenced URI inside the HTML page to call to the special resolver class, which can provide right content on the fly. Assets/Html/html-sample.html file: <!DOCTYPE html> ...

Ninject Configurations

After the install of an IoC (Inversion of Control) container, some tweaks are needed to make it work. In this case, I'll use Ninject. In the NinjectWebCommon file, that is located in the App_Start folder, substitute the CreateKernel method with: private static IKernel CreateKernel() { ...

Utilization of the interfaces

In the concrete class that need the service, use the interface to access the service instead of its implementation like: public class BenefitAppService { private readonly IBenefitService _service; public BenefitAppService(IBenefitService service) { _service = service; ...

The importance of preallocation

Arrays in MATLAB are held as continuous blocks in memory, allocated and released automatically by MATLAB. MATLAB hides memory management operations such as resizing of an array behind easy to use syntax: a = 1:4 a = 1 2 3 4 a(5) = 10 % or alternatively a = [a, 10] a = ...

Evaluated Expression

<div> The time is now <%= DateTime.Now.ToString() %> </div>

Page 281 of 442

logo rip
SUPPORT & PARTNERS
STAY CONNECTED

Get monthly updates about new articles, cheatsheets, and tricks.