Tutorial by Topics

This section provides an overview of what Web Components are, and why a developer might want to use them. Web Components are a set of new web technologies implemented in modern web browsers, and used to design reusable web elements with the only help of HTML, JavaScript and CSS. Topics covered ...

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....

code samples and some other stuff

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.

A Java literal is a syntactic element (i.e. something you find in the source code of a Java program) that represents a value. Examples are 1, 0.333F, false, 'X' and "Hello world\n".

@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.