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If a singleshot timer is required, it is quiet handy to have the slot as lambda function right in the place where the timer is declared: QTimer::singleShot(1000, []() { /*Code here*/ } ); Due to this Bug (QTBUG-26406), this is way is only possible since Qt5.4. In earlier Qt5 versions it has to ...

Debian, Ubuntu and CentOS Add the official repository Debian/Ubuntu curl -L https://packages.gitlab.com/install/repositories/runner/gitlab-ci-multi-runner/script.deb.sh | sudo bash CentOS curl -L https://packages.gitlab.com/install/repositories/runner/gitlab-ci-multi-runner/script.rpm.sh ...

The config location for your runner is: Debian/Ubuntu/CentOS /etc/gitlab-runner/config.toml if run as root ~/.gitlab-runner/config.toml if run as non-root Windows config.toml where your binary is located A minimal config.toml can look like this: concurrent = 1 [[runners]] name = "E...

Setup First, install the necessary packages with: npm install express cors mongoose Code Then, add dependencies to server.js, create the database schema and the name of the collection, create an Express.js server, and connect to MongoDB: var express = require('express'); var cors = require('...

Set scene as delegate //set your scene as SKPhysicsContactDelegate class yourScene: SKScene, SKPhysicsContactDelegate self.physicsWorld.contactDelegate = self; Then you have to implement one or the other of the contact functions: optional func didBegin(contact:) and/or optional fund didEnd...

MSBuild evaluates PropertyGroup, Choose and ItemGroup elements that are directly under the Project element before those that are in Target elements. Directly under the Project element, PropertyGroup and Choose elements are evaluated in the order in which they appear, and then ItemGroup elements a...

add_action( 'init', function() { // do something here } ); Using a function block to hook a set of instructions. With the init hook, the set of instructions will be executed right after wordpress has finished loading the necessary components.

function my_init_function() { // do something here } add_action( 'init', 'my_init_function' ); Using the name of the function to hook a set of instructions. With the init hook, the set of instructions will be executed right after wordpress has finished loading the necessary components. ...

This example shows how to use the Firebase Cloud Messaging(FCM) platform. FCM is a successor of Google Cloud Messaging(GCM). It does not require C2D_MESSAGE permissions from the app users. Steps to integrate FCM are as follows. Create sample hello world project in Android Studio Your Android...

A behavior based animation allows you to specify that when a property changes the change should be animated over time. ProgressBar { id: progressBar from: 0 to: 100 Behavior on value { NumberAnimation { duration: 250 } } } In this example ...

Scala's implementation of type classes is rather verbose. One way to reduce the verbosity is to introduce so-called "Operation Classes". These classes will automatically wrap a variable/value when they are imported to extend functionality. To illustrate this, let us first create a simple ...

A layout manager for templated views. Used within a ControlTemplate to mark where the content to be presented appears.

An element with a single content. ContentView has very little use of its own. Its purpose is to serve as a base class for user-defined compound views. XAML <ContentView> <Label Text="Hi, I'm a simple Label inside of a simple ContentView" HorizontalOptions="Center" ...

Authentication in Django REST Framework can be configured globally as a subkey of the REST_FRAMEWORK variable in settings.py, just like the rest of the default framework configurations. REST_FRAMEWORK = { 'DEFAULT_AUTHENTICATION_CLASSES': ( 'rest_framework.authentication.BasicAuthen...

Authentication can be set for an specific APIView endpoint, by using the authentication_classes variable: from rest_framework.authentication import SessionAuthentication, BasicAuthentication from rest_framework.permissions import IsAuthenticated from rest_framework.response import Response ...

Django REST Framework provides a basic token-based authentication mechanism which needs to be configured as an application in Django before being usable, so that tokens are created in the database, and their lifecycle handled. Add Token-based authentication to settings.py INSTALLED_APPS = ( ...

OAuth is not handled by Django REST Framework, but there are a couple of pip modules that implement an OAuth client. The REST Framework documentation suggests one of the following modules: Django OAuth Toolkit Django REST Framework OAuth Django OAuth Toolkit pip install django-oauth-toolkit ...

The most interesting package for managing real tokens is django-rest-knox which supports multiple tokens per user (and cancelling each token independently), as well as having support for token expiration and several other security mechanisms. django-rest-knox depends on cryptography. You can find m...

Static initialization is suitable for most situations. When your application must delay the instantiation, use a non-default constructor or perform other tasks before the instantiation, and work in a multithreaded environment, you need a different solution. Cases do exist, however, in which you cann...

MongoDB.connect('mongodb://localhost:27017/databaseName', function(error, database) { if(error) return console.log(error); const collection = database.collection('collectionName'); collection.insert({key: 'value'}, function(error, result) { console.log(error, result); }); }...