Tutorial by Examples: s

A single instance of Node.js runs in a single thread. To take advantage of multi-core systems the user will sometimes want to launch a cluster of Node.js processes to handle the load. var cluster = require('cluster'); var numCPUs = require('os').cpus().length; if (cluster...

Docker has announced following editions: -Docker-ee (Enterprise Edition) along with Docker-ce(Community Edition) and Docker (Commercial Support) This document will help you with installation steps of Docker-ee and Docker-ce edition in CentOS Docker-ce Installation Following are steps to instal...

This is a very basic progress bar that only uses what is needed at the bare minimum. It would be wise to read this whole example to the end. import sys import time from PyQt5.QtWidgets import (QApplication, QDialog, QProgressBar, QPushButton) TIME_LIMIT = 100 ...

public function createCustomer($data , $token)//pass form data and token id { $customer=Customer::create(array( "email"=>$data['email'], "description" => $data['name'], "source" => $token // obtained with Stripe.js )); return $cus...

public function addCard($cust_id, $token) { $retriveResult=Customer::retrieve($cust_id); $tokendata = Token::retrieve($token); $newcard = $tokendata['card']; $flag = 1; foreach ($retriveResult['sources']['data'] as $card) { if($card['fingerprint'] === $newcard['f...

all errors and exceptions, both custom and default, are handled by the Handler class in app/Exceptions/Handler.php with the help of two methods. report() render() public function render($request, Exception $e) { //check if exception is an instance of ModelNotFoundException. if ($e in...

First of all: operator << (leftShift) is equivalent of doLast {closure}. From gradle 3.2 it is deprecated. All the task code are writing in a build.gradle. A task represents some atomic piece of work which a build performs. This might be compiling some classes, creating a JAR, generating ...

import groovy.json.JsonOutput; def json = JsonOutput.toJson([foo: 'bar', baz: [1]]) new File("/tmp/output.json").write(json)

Download the installer for the current version of XAMPP Go through the installation wizard and change nothing if you are not sure what you are changing. After the installation you see the XAMPP control panel. Just click the start button of Apache and MySQL to run both with the basic configurati...

To run WordPress on your computer you need to configurate a database first. Be sure that Apache and MySQL are running (see Installing XAMPP step 3) Start a web browser of your choice and enter "localhost" in the address. Choose your preferred language and select in the category "...

After you installed XAMPP and setup the MySQL database you can install WordPress. Download the latest version of WordPress. Unzip the file and insert the folder in the root directory of your webserver (if you used the suggested path during the setup of XAMPP it is "c:\xampp\htdocs"). ...

Note: These instructions are targeted at .NET Core 1.0.4 & 1.1.1 SDK 1.0.1 and higher. When using binary archives to install, we recommend the contents be extracted to /opt/dotnet and a symbolic link created for dotnet. If an earlier release of .NET Core is already installed, the directory and ...

webpack.config.js const webpack = require("webpack") const helpers = require('./helpers') const path = require("path") const WebpackNotifierPlugin = require('webpack-notifier'); module.exports = { // set entry point for your app module "entry": { ...

Detailed instructions on getting identityserver3 set up or installed.

Create a new bot in Azure following this documentation Login into Azure and from Intelligence + Analytics category, select Bot Service and provide required information. Enter the required details for the bot, they are identical to the required details of an App Service,for example App Name, Subs...

If you're in a hurry and want to quickly get a speed boost PLUS save some power, go into Power Save Mode. It's in the File menu, bottom-most option in that menu. File -> Power Save Mode Note: this will disable some powerful features like syntax highlighting, code analysis, auto-completing thing...

let label = UILabel.init(frame: CGRect(x: 0, y:0, width: 100, height: 40)) label.backgroundColor = .lightGray let attributedString = NSMutableAttributedString.init(string: "Apply UnderLining") attributedString.addAttribute(NSUnderlineStyleAttributeName, value: 1, range: NSRange.init...

Simply add an attribute to the controller action [Route("product/{productId}/customer")] public IQueryable<Product> GetProductsByCustomer(int productId) { //action code goes here } this will be queried as /product/1/customer and productId=1 will be sent to the controll...

//Header File <CallKit/CXCallObserver.h> CXCallObserver *callObserver = [[CXCallObserver alloc] init]; // If queue is nil, then callbacks will be performed on main queue [callObserver setDelegate:self queue:nil]; // Don't forget to store reference to callObserver, to prevent it ...