Tutorial by Examples: g

A common mistake MATLAB coders have, is using the length function for matrices (as opposed to vectors, for which it is intended). The length function, as mentioned in its documentation, "returns the length of the largest array dimension" of the input. For vectors, the return value of leng...

As mentioned before strings are normally case insensitive but that only regards comparison of strings. There's built in functions for changing case. CAPS (string) Makes string upper case LC(string) Makes string lower case DEFINE VARIABLE c AS CHARACTER NO-UNDO. DEFINE VARIABLE d AS C...

You can create you own Scala annotations by creating classes derived from scala.annotation.StaticAnnotation or scala.annotation.ClassfileAnnotation package animals // Create Annotation `Mammal` class Mammal(indigenous:String) extends scala.annotation.StaticAnnotation // Annotate class Platypus...

require 'maruku' str = " # Title * List 1 * List 2 * List 3 " markdown = Maruku.new(str) puts markdown.inspect

To install a new library into the Arduino IDE: Open Sketch Menu > Include Library > Manage Libraries. Once you have opened the Library Manager you can use the menu in the top to filter the results. Click on the library you want, select a version in the drop down menu, and click...

Once you have installed a library, you need to include it in your sketch in order to use it. Open the Sketch Menu > Include Library and click the Library you want to include. Now, the IDE has generated the required inclusion tags into your code. Now the Library is included in your ...

Step 1: Creating Custom Error Logging Filter which will write Errors in Text Files According to DateWise. public class ErrorLogger : HandleErrorAttribute { public override void OnException(ExceptionContext filterContext) { string strLogText = ""; Excepti...

SimpleXML is a powerful library which converts XML strings to an easy to use PHP object. The following assumes an XML structure as below. <?xml version="1.0" encoding="UTF-8"?> <document> <book> <bookName>StackOverflow SimpleXML Example&lt...

FormComponent.ts import {Component} from "@angular/core"; import {FormBuilder} from "@angular/forms"; @Component({ selector: 'app-form', templateUrl: './form.component.html', styleUrls: ['./form.component.scss'], providers : [FormBuilder] }) export class FormComp...

Implemented in a router: export const MainRoutes: Route[] = [{ path: '', children: [ { path: 'main', component: MainComponent , canActivate : [CanActivateRoute] }] }]; The canActivateRoute file: @Injectable() export class CanActivateRoute implements CanActi...

service I created post service with postRequest method. import {Injectable} from '@angular/core'; import {Http, Headers, Response} from "@angular/http"; import {PostModel} from "./PostModel"; import 'rxjs/add/operator/map'; import {Observable} from "rxjs"; ...

First lets create basic navbar.html with 3 options. (Home, List , Create) <nav class="navbar navbar-default" role="navigation"> <ul class="nav navbar-nav"> <li> <a id="home-navbar" routerLink="/home">Home</a> ...

run the follows commands at cmd npm install -g protractor webdriver-manager update webdriver-manager start **create protractor.conf.js file in the main app root. very important to decleare useAllAngular2AppRoots: true const config = { baseUrl: 'http://localhost:3000/', s...

let url = "https://path-to-media" let request = URLRequest(url: url) let downloadTask = URLSession.shared.downloadTask(with: request) { (location, response, error) in guard let location = location, let response = response, let documentsPath = NSSearchPathForDirectori...

let url = "https://path-to-media" guard let documentsUrl = FileManager.default.urls(for: .documentDirectory, in: .userDomainMask).first, let searchQuery = url.absoluteString.components(separatedBy: "/").last else { return nil } do { let directoryContents = try F...

The DICOM Image file is a tagged image file; the file contains both an image (most of the time) and a collection of data about the image. The data in a DICOM image file is stored as a sequence of individual elements. Each element contains one item of information about the image or the image itself. ...

Having local Class = {} Class.__meta = {__index=Class} function Class.new() return setmetatable({}, Class.__meta) Assuming we want to change the behavior of a single instance object = Class.new() using a metatable, there are a few mistakes to avoid: setmetatable(object, {__call = table.conca...

The Search API provides access to recent tweets*. This is as opposed to the Stream API, which provides search results in real-time. <example> *Note that "the Search API is focused on relevance and not completeness" - Twitter Search API

The Stream API provides access to tweets in real-time. Streams can be filtered based on keywords, language, location, and more. Here's a simple example to track mentions of the word "tweepy": #set up a new class using tweepy.StreamListener class SimpleListener(tweepy.StreamListener): ...

@Component({ selector: 'main-component', template: '<example-component *ngFor="let hero of heroes" [hero]="hero"></example-component>' }) @Component({ selector: 'example-component', t...