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Firebase Cloud Messaging (FCM) is a cross-platform messaging solution that lets you reliably deliver messages at no cost. Using FCM, you can notify a client app that new email or other data is available to sync. You can send notification messages to drive user reengagement and retention. For use ca...

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...

Recently, new versions of MySQL servers have begun to generate 1055 errors for queries that used to work. This topic explains those errors. The MySQL team has been working to retire the nonstandard extension to GROUP BY, or at least to make it harder for query writing developers to be burned by it....

A collection of common use cases and their implementation in RxJS.

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

@angular/common - commonly needed directives and services @angular/core - the angular core framework

Modal component is a simple way to present content above an enclosing view. PropdetailsanimationTypeit's an enum of ('none', 'slide', 'fade') and it controls modal animation.visibleits a bool that controls modal visiblity.onShowit allows passing a function that will be called once the modal has bee...

ANSI C defines a number of macros. Although each one is available for your use in programming, the predefined macros should not be directly modified. DATE The current date as a character literal in "MMM DD YYYY" format TIME The current time as a character literal in "HH:MM:SS...

The ScrollPane is a control that offers a dynamic view of its content. This view is controlled in various ways; (increment-decrement button / mouse wheel) to have an integral view of the content.

This is collection of different tips and tricks, to customize and improve your Xcode IDE

This topic will be about modern C++ style Berkeley Socket Programming (This is code for Linux, but easily portable to other platforms)

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 outlines how you can easily add some existing Camera Controls to your scene, as well as provide guidance on creating custom controls. Note, the pre-made control scripts can be found in the /examples/js/controls folder of the library.

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...