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In Firebase Database everything is a node, that follows the pattern key: value. Firebase Database provides us with a simple way to generate unique keys. Unique keys create new items while uploading data to a previously stored key will update.

Toast messages are the most simple way of providing feedback to the user. By default, Android provide gray color message toast where we can set the message and the duration of the message. If we need to create more customizable and reusable toast message, we can implement it by ourselves with the us...

In Xamarin.Android the BluetoothSocket.InputStream and BluetoothSocket.OutputStream properties are by design automatically converted to System.IO.Stream. In case of so called interactive communication protocol, when server responds only when client talks to it, System.IO.Stream is not good because ...

As you code PHP you will most likely get your self in a position where you need to break down an URL into several pieces. There's obviously more than one way of doing it depending on your needs. This article will explain those ways for you so you can find what works best for you.

This topic includes coding examples related to Angular Material 2 Autocomplete (md-autocomplete) These examples don't cover all features of md-autocomplete. Please read the documentation learn more about md-autocomplete.

Writing to a .csv file is not unlike writing to a regular file in most regards, and is fairly straightforward. I will, to the best of my ability, cover the easiest, and most efficient approach to the problem. ParameterDetailsopen ("/path/", "mode")Specify the path to your CS...

There are scenarios when dealing with service layer in liferay, when we need to query database with too many clauses or dealing with multiple tables.In such cases,we use either of: 1)Dynamic query(wrapper on Hibernate criteria API) 2)Custom SQL queries References: Custom SQL Dynamic quer...

This topic includes examples on how to create a button and what its' directives and other stuff do. AttributeDescriptionmd-buttonCreates a rectangular button w/ no elevation.md-raised-buttonCreates a rectangular button w/ elevationmd-icon-buttonCreates a circular button with a transparent backg...

It is often useful to present a first-run experience to new users of your App. This could be for any number of reasons, such as prompting them to sign in (if required for your situation), explaining how to use the App, or simply informing them of new features in an update (as Notes, Photos and Music...

Python has many built-in exceptions which force your program to output an error when something in it goes wrong. However, sometimes you may need to create custom exceptions that serve your purpose. In Python, users can define such exceptions by creating a new class. This exception class has to be ...

This topic will cover the creation of R packages from scratch with the devtools package. Official R manual for creating packages roxygen2 reference manual devtools reference manual

The use of CMake in a C++ project if used correctly can allow the programmer to focus less on the platform, program version number and more on the actual program itself. With CMake you can define preprocessor tags that allow for easy checking of which platform or any other preprocessor tags you migh...

How to generate, edit and use ecto models in the phoenix frameworks.

Automating Infrastructure Management Services results in reducing the FTE as well as cumulatively getting better ROI using multiple tools, orchestrators, orchestration Engine , scripts and easy UI

Protocols which can be used in the IoT projects which would help to communicate between the IoT devices/IoT Clients.

Steps to create an AWS RDS instance and configure your database.yml file by installing the required connectors.

This section provides an overview of what boto3 is, and why a developer might want to use it. It should also mention any large subjects within boto3, and link out to the related topics. Since the Documentation for boto3 is new, you may need to create initial versions of those related topics. ...