Tutorial by Topics: ng

If you commit sensitive data, such as a password or SSH key into a Git repository, you can remove it from the history. To entirely remove unwanted files from a repository's history you can use either the git filter-branch command or the BFG Repo-Cleaner. Tell your collaborators to rebase, ...

Garbage Collection (GC) is a way of automatically reclaiming memory that is occupied by objects that are no longer needed by a program. This is in contrast with manual memory management where the programmer explicitly specifies which objects should be deallocated and returned to memory. Good GC-s...

This example shows how to create a ViewModel and a View within the MVVM pattern and WPF, and how to bind the two together, so that each is updated whenever the other is changed.

A column is NULL when it has no value, regardless of the data type of that column. A column should never be compared to NULL using this syntax a = NULL as the result would be UNKNOWN. Instead use a IS NULL or a IS NOT NULL conditions. NULL is not equal to NULL. To compare two expressions where null...

C++/CLI is a Microsoft-specific dialect of C++ which interoperates well with .NET. Originally, it was envisioned as the "most powerful" of .NET languages and included designer support for WinForms applications. However, new development on C++/CLI has all but ceased, and Microsoft now ...

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

This section provides an overview of what automation is, and why a developer might want to use it. It should also mention any large subjects within automation, and link out to the related topics. Since the Documentation for automation is new, you may need to create initial versions of those rel...

The data.table package has undergone a number of changes and innovations over time. Here are some potential pitfalls that can help users looking at legacy code or reviewing old blog posts.

A notorious common question is "how to send notifications from device to device", sadly the answer is: you can't. FCM needs to be triggered in order to send push notifications. That can be done in 3 different ways: Directly in the Firebase web console Setting a Firebase Functions li...

Examples on how to save the created Excel sheet to the Disk or send it to the Browser.

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...

This section provides an overview of what vert.x is, and why a developer might want to use it. It should also mention any large subjects within vert.x, and link out to the related topics. Since the Documentation for vert.x is new, you may need to create initial versions of those related topics....

How to style Cells with font types, background color, border styles etc.

This section provides an overview of what hazelcast is, and why a developer might want to use it. It should also mention any large subjects within hazelcast, and link out to the related topics. Since the Documentation for hazelcast is new, you may need to create initial versions of those relate...

How to fill your created Excel sheet with data from different sources.

Installing Web Deploy allows quick installation of web applications directly from the development environment using Visual Studio. Installation types: online - target Windows server has Internet access - installation is simple using Installing and configuring Web deployment on servers with Interne...

Basic examples of how to create cells with a formula for calculations within the Excel sheet.

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...

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...