Tutorial by Topics: ion

This section provides an overview of what amazon-cloudformation is, and why a developer might want to use it. It should also mention any large subjects within amazon-cloudformation, and link out to the related topics. Since the Documentation for amazon-cloudformation is new, you may need to cre...

When writing multi-threaded applications, one of the most common problems experienced are race conditions. So we document the How do you detect them? and How do you handle them?

In iOS 10 Apple is extending the scope of privacy control. User need to ask the use permission before access the user private data in following key :Calendar,Contact,Reminder,Photo,Bluetooth Sharing,Microphone , Camera ,Location,Heath,HomeKit ,MediaLibrary,Motion,CallKit,Speech Recognition, SiriKit...

While some existing JavaScript libraries have type definition files, there are many that don't. TypeScript offers a couple patterns to handle missing declarations.

Database Transaction Units (DTU) are the unit in which the performance of Azure SQL DB is measured. DTUs make the most sense when used for comparing workloads. For example, a workload that uses 5 DTUs will consume 10 DTUs when doubled. Officialy, Microsoft has introduced the DTU as the average numb...

This document describes some common ways to add animation directly into your Three.js scenes. While there are libraries and frameworks that can add dynamic movement to your scene (tweens, physics, etc), it is helpful to understand how you can do this yourself simply with a few lines of code. The c...

Once you have started building an application with FabricJS it won't be late when you realize that you will need to save results of the canvas/its contents to server. Or may exporting them as files to the client. For this very purpose you will need canvas serialization. Now some of you might ask...

WCSessionDelegate works with watch OS2 + using WatchConnectivity. var watchSession : WCSession? func startWatchSession(){ if(WCSession.isSupported()){ watchSession = WCSession.default() watchSession!.delegate = self ...

Scala allows you to use dynamic invocation when calling methods or accessing fields on an object. Instead of having this built deep into the language, this is accomplished through rewriting rules similar to those of implicit conversions, enabled by the marker trait [scala.Dynamic][Dynamic scaladoc]....

Continuation passing style is a form of control flow that involves passing to functions the rest of the computation as a "continuation" argument. The function in question later invokes that continuation to continue program execution. One way to think of a continuation is as a closure. The ...

This topic shows the uses of different CMake configurations like Debug or Release, in different environments.

Modern mobile devices include hardware for vibrations. The Vibration API offers Web apps the ability to access this hardware, if it exists, and does nothing if the device doesn't support it. let success = window.navigator.vibrate( pattern ); Support by browsers might be limited. Also su...

Often you need to execute commands under a different user or get root privileges. Those options allow you to become another user in the guest system. become: can be set to true or yes and triggers the user escalation settings. become_user: set to the desired user in the remote host. become_metho...

Adding custom helpers can assist you with your development speed. There are a few things to take into consideration while writing such helper functions though, hence this tutorial. Just a few pointers: We've put the function definitions within a check (function_exists) to prevent exceptions whe...

A concurrent collection is a [collection][1] which permits access by more than one thread at the same time. Different threads can typically iterate through the contents of the collection and add or remove elements. The collection is responsible for ensuring that the collection doesn't become cor...