Tutorial by Examples: ti

Violating REST

<stock> <add> <item> <name>Milk</name> <quantity>2</quantity> </item> </add> </stock> Putting this body to an resource like /stocks/123 violates the idea behind REST. While this bod...

rest • Getting started with rest

Sample property file : nexus.properties Sample property file content: nexus.user=admin nexus.pass=admin nexus.rest.uri=http://xxx.xxx.xxx.xxx:xxxx/nexus/service/local/artifact/maven/content Sample Context File xml configuration <context:property-placeholder location="classpath:Releas...

spring • Property Source

Tooltip pointer example

$color-purple-bg: #AF6EC4; $color-purple-border: #5D0C66; $color-yellow-bg: #E8CB48; $color-yellow-border: #757526; .tooltip { position: relative; &--arrow-down { @include pointer('bottom', 30px, ($color-purple-border, $color-purple-bg), 15px); } ...

sass • Scss useful mixins

Using JavaScript Interop

(ns so-doc.events) (enable-console-print!) (defn click-event [] (println "Button clicked")) (defn load-event [] (println "Page loaded!") (.addEventListener (.getElementById js/document "btn") "click" click-event false)) (.addEventListener ...

clojurescript • JavaScript Events

Set Limit in product collection

$collection = Mage::getModel('catalog/product') ->getCollection() ->setPageSize(20) ->setCurPage(1);

magento • Get Products from Database

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...

Node.js • Environment

Function Return

function positive() { return 0 } function negative() { return 1 }

Bash • true, false and : commands

ChooseContactActivity.cs

using Android.App; using Android.OS; using Android.Content; using Android.Database; using Xamarin.Forms; namespace contact_picker.Droid { [Activity (Label = "ChooseContactActivity")] public class ChooseContactActivity : Activity { public string type_num...

Xamarin.Forms • Contact Picker - Xamarin Forms (Android and iOS)

MainActivity.cs

using System; using Android.App; using Android.Content; using Android.Content.PM; using Android.Runtime; using Android.Views; using Android.Widget; using Android.OS; using Xamarin.Forms; namespace contact_picker.Droid { [Activity (Label = "contact_picker.Droid", Icon = &...

Xamarin.Forms • Contact Picker - Xamarin Forms (Android and iOS)

Common HTML Operations

If the input HTML DOM is <html> <body> <a>link</a> <div class='container' id='divone'> <p class='common' id='enclosedone'>Element One</p> <p class='common' id='enclosedtwo'>Element Two</p> ...

xpath • Getting started with xpath

Creating custom interceptors

Interceptors require the IInterceptor interface. Any public method within the intercepted class will be intercepted (including getters and setters) public class MyInterceptor : IInterceptor { public void Intercept(IInvocation invocation) { //Calls the next method in the chain - T...

castle-windsor • Interceptors

Getting started with Play 2.4.x/2.5.x - Windows, Java

Installations Download and install: Java 8 - download the relevant installation from Oracle site. Activator - download zip from www.playframework.com/download and extract files to the target Play folder, for example to: c:\Play-2.4.2\activator-dist-1.3.5 sbt - download from www.sc...

playframework • Getting started with playframework

Database First in Entity Framework Core with a Class Library and SQL Server

Okay it took me about a day to figure it out so here I am posting the steps I followed to get my Database First working in a Class Project (.NET Core), with a .NET Core Web App. Step 1 - Install .NET Core Make Sure you are using .NET Core not DNX (Hint: You should be able to see the .NET Core opti...

Entity Framework Core • Getting started with Entity Framework Core

simple daemon application

A daemon process executes a program in the background, usually without user interaction. The example below shows how to create a daemon and register a listener, which monitors all open applications. The main part is the function call NSRunLoop.mainRunLoop().run(), which starts the daemon. class MyO...

osx • NSRunLoop

Serialization using Json.NET with JsonSerializerSettings

This serializer has some nice features that the default .net json serializer doesn't have, like Null value handling, you just need to create the JsonSerializerSettings : public static string Serialize(T obj) { string result = JsonConvert.SerializeObject(obj, new JsonSerializerSettings { NullVa...

.NET Framework • JSON Serialization

Optional URI Parameters and Default Values

You can make a URI parameter optional by adding a question mark to the route parameter. You can also specify a default value by using the form parameter=value. public class BooksController : Controller { // eg: /books // eg: /books/1430210079 [Route(“books/{isbn?}”)] public Act...

asp.net-mvc-5 • Attribute routing in mvc-5

Raspberry Pi Introduction - Hello World in C

Pretext This is an introduction to the Hello World program example on the Raspberry Pi written in C. The following example makes use of the command line interface and is set up as a step-by-step guide. Along with creating a Hello World program, the reader will be introduced to simple linux comman...

Raspberry Pi • Getting started with Raspberry Pi

Ratio_To_Report

Provides the ratio of the current rows value to all the values within the window. --Data CREATE TABLE Employees (Name Varchar2(30), Salary Number(10)); INSERT INTO Employees Values ('Bob',2500); INSERT INTO Employees Values ('Alice',3500); INSERT INTO Employees Values ('Tom',2700); INSERT INTO...

Oracle Database • Window Functions

Aggregation in a Server Method

Another way of doing aggregations is by using the Mongo.Collection#rawCollection() This can only be run on the Server. Here is an example you can use in Meteor 1.3 and higher: Meteor.methods({ 'aggregateUsers'(someId) { const collection = MyCollection.rawCollection() const aggre...

meteor • MongoDB Aggregation

Active records with sub queries

Example: Customers who can create a post. Each customer can create multiple posts. As soon as customer creates the post, post will be under administrators review. Now we have to fetch the customers list who have all active posts by using sub-query. Note: If a customer has 5 post, among 5 posts if h...

yii2 • Active Record