Tutorial by Examples: io

Add this text to appsettings.json { "key1": "value1", "key2": 2, "subsectionKey": { "suboption1": "subvalue1" } } Now you can use this configuration in your app, in the way like this public class Program { sta...

Create class like a class below public class MyOptions { public MyOptions() { // Set default value, if you need it. Key1 = "value1_from_ctor"; } public string Key1 { get; set; } public int Key2 { get; set; } } Then you need to add this code ...

This example uses a class on the placeholder to turn it into a line and make it take up no room. HTML <div id="sortable"> <div>1</div> <div>2</div> <div>3</div> <div>4</div> </div> JS $("#sortable&q...

Based on a question. The following snippets Does not cache the expected emission and prevents further calls. Instead it re-subscribes to the realSource for every subscription. var state = 5 var realSource = Rx.Observable.create(observer => { console.log("creating expensive HTTP-based emis...

#include <string.h> #include <gst/gst.h> #include <gst/app/gstappsrc.h> /* * an example application of using appsrc in push mode to create a file. * from buffers we push into the pipeline. */ /* S16LE 10ms frame audio */ #define BUFFER_SIZE 160 /* 300 frames =...

Executable C++ program code is usually produced by a compiler. A compiler is a program that translates code from a programming language into another form which is (more) directly executable for a computer. Using a compiler to translate code is called compilation. C++ inherits the form of its compi...

Selection of a Version Control System Of course many organisations or projects already have a preferred or selected version control system if this is the case for you just skip to client installation. There are a number of things to consider when selecting the version control system to use, given ...

A version control system allows a developer or development team access to essentially I time machine. If the source code, settings, etc., that were used to build a program or system are under version control then the developers can step back in time to recover lost functionality, trace how errors we...

This example has been taken from here package com.reborne.SmartHibernateConnector.utils; import org.hibernate.HibernateException; import org.hibernate.Session; import org.hibernate.SessionFactory; import org.hibernate.cfg.Configuration; public class LiveHibernateConnector implements IHiber...

The easiest way of installing Vala is to install your distribution-specific package. On Ubuntu: sudo apt install valac On Fedora: sudo dnf install vala On Arch: sudo pacman -S vala On OS X, with Homebrew: brew install vala On Windows, you can get an installer for the latest version ...

This is a variation on the generic example. You just need to import your app script and invoke it's run() method in the service's main() function. In this case we're also using the multiprocessing module due to an issue accessing WSGIRequestHandler. import win32serviceutil import win32service imp...

A function in a normal module (but not a Class module) can return an array by putting () after the data type. Function arrayOfPiDigits() As Long() Dim outputArray(0 To 2) As Long outputArray(0) = 3 outputArray(1) = 1 outputArray(2) = 4 arrayOfPiDigits = outputArray ...

Cassandra uses two kinds of keys: the Partition Keys is responsible for data distribution across nodes the Clustering Key is responsible for data sorting within a partition A primary key is a combination of those to types. The vocabulary depends on the combination: simple primary key: only...

Returns the value of any OS environment variable. MESSAGE OS-GETENV ("OS") VIEW-AS ALERT-BOX. On a Windows machine: MESSAGE OS-GETENV ("SHELL") VIEW-AS ALERT-BOX. Result on a Linux machine with Bash as current shell: ┌────── Message ───────┐ ...

<?php $ch = curl_init(); curl_setopt($ch, CURLOPT_URL, "https://api.dropboxapi.com/2/files/list_folder"); curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); curl_setopt($ch, CURLOPT_CAINFO, "cacert.pem"); curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 0); curl_setopt($ch, CURLOP...

import javax.inject.Singleton; import dagger.Module; import dagger.Provides; @Module public class VehicleModule { @Provides @Singleton Motor provideMotor(){ return new Motor(); } @Provides @Singleton Vehicle provideVehicle(){ return new Vehicle(...

Detailed instructions on getting ansible-playbook set up or installed.

Detailed instructions on getting slf4j set up or installed.

Detailed instructions on getting IBM MQ set up or installed.

Django REST Framework has some authentication methods already built in, one of them is Token based, so first thing to do is to tell our project we’re going to use rest framework’s authentication. Open settings.py file and add the highlighted line. INSTALLED_APPS = ( 'django.contrib.admin', ...