Tutorial by Examples: f

<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...

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.

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...

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...

Here, a cursor is used to loop through all databases. Futhermore, a cursor from dynamic sql is used to query each database returned by the first cursor. This is to demonstrate the connection-scope of a cursor. DECLARE @db_name nvarchar(255) DECLARE @sql nvarchar(MAX) DECLARE @schema nvarcha...

Using DYNAMIC-FUNCTION or the CALL-object you can dynamically call functions. DEFINE VARIABLE posY AS INTEGER NO-UNDO. DEFINE VARIABLE posX AS INTEGER NO-UNDO. DEFINE VARIABLE OKkeys AS CHARACTER NO-UNDO INIT "QLDRUS". DEFINE VARIABLE Step AS INTEGER NO-...

The following updates a User object via a PUT request and prints the status code of the request: package main import ( "bytes" "encoding/json" "fmt" "net/http" ) type User struct { Name string Email string } func main...

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...

In the IF THEN ELSE statement the result can be either a single statement: DEFINE VARIABLE i AS INTEGER NO-UNDO. IF i = 0 THEN MESSAGE "Zero". ELSE MESSAGE "Something else". Or a block, for instance by adding a DO-block: DEFINE VARIABLE i AS INTEGER NO...

IF THEN ELSE can also be used like a function to return a single value. This is a lot like the ternary ?-operator of C. DEFINE VARIABLE i AS INTEGER NO-UNDO. DEFINE VARIABLE c AS CHARACTER NO-UNDO. /* Set c to "low" if i is less than 5 otherwise set it to "high" c...

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...

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

There are 2 ways to set formBuilder controls parameters. On initialize: exampleForm : FormGroup; constructor(fb: FormBuilder){ this.exampleForm = fb.group({ name : new FormControl({value: 'default name'}, Validators.compose([Validators.required, Validators.maxLength(15)])) }); ...

Inside of your {CATALINA_HOME}/conf/ folder exists a server.xml and context.xml file. Each one of these contains similar code, but references different parts of Tomcat to complete the same task. server.xml is server-wide configuration. This is where you can set up HTTPS, HTTP2, JNDI Resources, etc....

public void test() { Connection conn = null; Statement stmt = null; try { Context ctx = (Context) new InitialContext().lookup("java:comp/env"); conn = ((DataSource) ctx.lookup("jdbc/SomeDataSource")).getConnection(); stmt = conn.createS...

A common technique for using channels is to create some number of workers (or consumers) to read from the channel. Using a sync.WaitGroup is an easy way to wait for those workers to finish running. package main import ( "fmt" "sync" "time" ) func ...