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The goal of this topic is to document best practices when asking Apache Spark related questions.

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

The branching operation of sed can help control the flow of the program.

Retrolambda is a library which allows to use Java 8 lambda expressions, method references and try-with-resources statements on Java 7, 6 or 5. The Gradle Retrolambda Plug-in allows to integrate Retrolambda into a Gradle based build. This allows for example to use these constructs in an Android appl...

A Caesar cipher is one of the simplest and most widely known encryption techniques. The names comes from Julius Caesar, who, according to Suetonius, used it with a shift of three to protect messages of military significance

A SparseArray is an alternative for a Map. A Map requires its keys to be objects. The phenomenon of autoboxing occurs when we want to use a primitive int value as key. The compiler automatically converts primitive values to their boxed types (e.g. int to Integer). The difference in memory footprint ...

The fit command can fit a user-defined function to a set of data points (x,y) or (x,y,z), using an implementation of the nonlinear least-squares (NLLS) Marquardt-Levenberg algorithm. Any user-defined variable occurring in the function body may serve as a fit parameter, but the return type of the fu...

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...

Bokeh is a Python interactive visualization library that targets modern web browsers for presentation. Its goal is to provide elegant, concise construction of novel graphics in the style of D3.js, and to extend this capability with high-performance interactivity over very large or streaming datas...

Protractor is made for testing Angular applications. However, it is still possible to test non-angular applications with Protractor if needed.

Currently .Net Core does not include support to send emails like System.Net.Mail from .Net. MailKit project (which is available on nuget) is a nice library for this purpose.

Creating a class in Pharo is as simple as sending subclass: message to another class object. But most of the classes are created and modified in a system browser (currently Nautilus).

In order for NetSuite to know how to utilize our source code, we need to be able to tell it which functions to call, when to call them, and who to call them for. We accomplish all of these with the Script and Script Deployment records.

Vim's built-in manual is the authoritative source of information and documentation on every Vim feature, including configurations, built-in functions, and even Vimscript. While not the most beginner-friendly interface, if you know how to look through it, you can find what you need. Start searching ...

Package Ada.Text_IO is used for putting text or getting text from files or console.

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

Xamarin.Android application lifecycle is the same as normal Android app. When talking about lifecycle we need to talk about: Application lifecycle, Activity lifecycle and Fragment lifecycle. In the below I'll try to provide a good description and way of using them. I obtained this documentation fr...

kibana is visualization plugin for elastic search. It is used for showing the data in visualized format. so the user can easily analyse the information. kibana doesn't requires a programming skills so developer can easily create a visualization for the information so that they can easily keep tr...