Tutorial by Examples: l

HAML (HTML abstraction markup language) is a beautiful and elegant way to describe and design the HTML of your views. Instead of opening- and closing tags, HAML uses indentation for the structure of your pages. Basically, if something should be placed within another element, you just indent it by us...

Using LIKE you can base the definition of you variable on another variable or a field in a database or temp-table. Defining a variable LIKE a database field requiers the database to always be connected. This might not always be what you want. DEFINE VARIABLE i AS INTEGER NO-UNDO LABEL "Nr&quo...

EXP - Returns the result of raising a number to a power. EXP( base, exponent) MESSAGE EXP(10, 2) VIEW-AS ALERT-BOX. // Messages 100 SQRT - Returns the square root of a number. SQRT( number) MESSAGE "The square root of 256 is " SQRT(256) VIEW-AS ALERT-BOX. // Messages 16 M...

In Swift, protocol extensions cannot have true properties. However, in practice you can use the "associated object" technique. The result is almost exactly like a "real" property. Here is the exact technique for adding an "associated object" to a protocol extension: ...

In this article we will use a simple database called “Company” with two tables: [dbo].[Categories]([CategoryID], [CategoryName]) [dbo].[Products]([ProductID], [CategoryID], [ProductName]) 1-1 Generate Entity Framework code In this layer we generate the Entity Framework code (in project library) ...

In this layer we will write the application business. It is recommended for each presentation screen, you create the business interface and implementation class that contain all required functions for the screen. Below we will write the business for product screen as example /// <summary> ...

In this example we will use the Business layer in Presentation layer. And we will use MVC as example of Presentation layer (but you can use any other Presentation layer). We need first to register the IoC (we will use Unity, but you can use any IoC), then write our Presentation layer 3-1 Register ...

$username = 'user' $password= 'password' $DESTINATION = "D:\test\latest.tar.gz" $client = New-Object System.Net.WebClient $client.Credentials = new-object System.Net.NetworkCredential($username, $password) $lastModifiedResponse = $client.DownloadString('https://domain.org.com/artifact...

Here we are managing multiple collection there delegate methods with didselect events. extension ProductsVC: UICollectionViewDelegate, UICollectionViewDataSource{ // MARK: - UICollectionViewDataSource func collectionView(_ collectionView: UICollectionView, numberOfItemsI...

Every application needed to store User Session or User related details inside application in UserDefaults.So we made whole logic inside a Class for managing UserDefaults better way. Swift 3 import Foundation public struct Session { fileprivate static let defaults = UserDefaults.standard ...

Combining change of character case with Enumeration_IO and using a text buffer for the image. The first character is manipulated in place. with Ada.Text_IO; use Ada.Text_IO; with Ada.Characters.Handling; use Ada.Characters.Handling; procedure Main is type Fruit is (Banana, Pear, Orange, Me...

The component code is given as below. import { Component } from '@angular/core'; @Component({ selector: 'my-app', template: '<h1>{{title}}</h1>' }) export class MyAppComponent{ title = 'welcome'; } For angular testing, angular provide its testing utilities along with t...

1. Fetching the JSON response for last modified (latest) artifact latestArtifactUriResponse=curl -u username:password --silent https://hostname.com/artifactory/api/storage/<repo_name>/<folder_name>/?lastModified | grep uri | awk '{ print $3 }' | sed s/\"//g | sed s/,//g It will ...

The following example shows how to properly construct both GET and POST requests against Web API 2 (CORS must be configured server-side, if sent from another domain): <script type="text/javascript" src="https://code.jquery.com/jquery-3.1.1.js"></script> CORS with Wi...

<script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/angular.js/1.6.1/angular.js"></script> CORS with Windows Authentication test (Angular) <script type="text/javascript"> var app = angular.module('myApp', []); app.c...

Operational System Setup (Linux-CentOS x64 or RedHat x64) 1-Increase the swap space to a minimum of 2 Gb 2-Space and CPU requirements: -Vertica requires at least 1 GB per CPU. -disk utilization per node should no more than sixty percent (60%). Disk space is temporarily required by certain query...

Python includes a profiler called cProfile. This is generally preferred over using timeit. It breaks down your entire script and for each method in your script it tells you: ncalls: The number of times a method was called tottime: Total time spent in the given function (excluding time made in c...

Better MID() and other string extraction examples, currently lacking from the web. Please help me make a good example, or complete this one here. Something like this: DIM strEmpty as String, strNull as String, theText as String DIM idx as Integer DIM letterCount as Integer DIM result as String ...

UIRefreshControl *refreshControl = [[UIRefreshControl alloc] init]; [refreshControl addTarget:self action:@selector(pullToRefresh:) forControlEvents:UIControlEventValueChanged]; self.scrollView.alwaysBounceVertical = YES; [self.scrollView addSubview:refreshControl]; - (void)pullToRefresh:(UIRe...

If you start your application on Linux, use the proxy for debugging via port, for example: socat TCP-LISTEN:9958,fork TCP:127.0.0.1:5858 & Use port 9958 for remote debugging then.