Tutorial by Examples: an

The preferred and most common way of making an NSFont object is the following: Objective-C // Name is PostScript name of font; size is in points. NSFont *essayFont = [NSFont fontWithName:@"Times New Roman" size:12.0];

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

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...

<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...

BEGINS - returns TRUE if one string begins with another string. string1 BEGINS string2 If string1 BEGINS with (or is equal to) string2 this will return true. Otherwise it will return false. If string two is empty ("") it will always return true. BEGINS is very useful in queries wher...

RANDOM - generates a random number RANDOM(low, high) Generates a pseudo random integer between low and high // Example that generates 20 random numbers between 1 and 20 (1 and 20 included) DEFINE VARIABLE i AS INTEGER NO-UNDO. DO i = 1 TO 20. DISPLAY i RANDOM(1, 20). PAUSE. ...

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 ...

Write a CSV file from a dict or a DataFrame. import pandas as pd d = {'a': (1, 101), 'b': (2, 202), 'c': (3, 303)} pd.DataFrame.from_dict(d, orient="index") df.to_csv("data.csv") Read a CSV file as a DataFrame and convert it to a dict: df = pd.read_csv("data.csv&qu...

Swift 3 import UIKit // Save String to file let fileName = "TextFile" let documentDirectory = try FileManager.default.urlForDirectory(.documentDirectory, in: .userDomainMask, appropriateFor: nil, create: true) var fileURL = try documentDirectory.appendingPathComponent(fileName).ap...

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...

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...

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"; ...

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...

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 Wrong Way Consider the following structure { "users": { // Uniquely generated IDs for children is common practice, // it's actually really useful for automating child creation. // Auto-incrementing an integer for a key can be problematic when a child is removed. ...