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YARN stands for Yet Another Resource Negotiator. Brief History: YARN was developed by Yahoo in 2010 as a substitute of Map Reduce 1. It was able to overcome disadvantages which were present in Map Reduce 1. Introduction In Map Reduce 1 Job Tracker was used to both the Job scheduling and Task Mon...

This section provides an overview of what web2py is, and why a developer might want to use it. It should also mention any large subjects within web2py, and link out to the related topics. Since the Documentation for web2py is new, you may need to create initial versions of those related topics....

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

All composite types other than arrays can have discriminants, which are components with special properties. Discriminants can be of a discrete type or an access type. In the latter case the access type can be a named access type or it can be anonymous. A discriminant of an anonymous access type is c...

QLabel is used for displaying text or an image. No user interaction functionality is provided. The visual appearance of the label can be configured in various ways, and it can be used for specifying a focus mnemonic key for another widget. A QLabel object acts as a placeholder to display non-e...

A more versatile alternative to VLOOKUP. An Index Match packs the power of a Vlookup and Hlookup in one formula. You also do not need to know which number column/row the information is. Due to this, deleting columns/rows will not mess up the formula.

A summary of some of the basic touch/motion-handling systems in the Android API. ListenerDetailsonTouchListenerHandles single touches for buttons, surfaces and moreonTouchEventA listener that can be found in surfaces(e.g. SurfaceView). Does not need to be set like other listeners(e,g. onTouchLi...

The first example(a basic splash screen) is not the most efficient way to handle it. As such, it is basic splash screen.

I'm going to begin this with the process in Ubuntu, then in OS X and finally in Windows. I haven't tested it on all perl versions, but it should be a similar process. Use Perlbrew if you like to switch easily beween different versions of Perl. I want to state that this tutorial is about Perl in it...

Reader provides functionality to pass a value along to each function. A helpful guide with some diagrams can be found here: http://adit.io/posts/2013-06-10-three-useful-monads.html

accumarray allows to aggregate items of an array in various ways, potentially applying some function to the items in the process. accumarray can be thought of as a lightweight reducer (see also: Introduction to MapReduce ). This topic will contain common scenarios where accumarray is especially use...

ActiveRecord Transactions are protective blocks where sequence of active record queries are only permanent if they can all succeed as one atomic action.

The typedef and (since C++11) using keywords can be used to give a new name to an existing type. typedef type-specifier-seq init-declarator-list; attribute-specifier-seq typedef decl-specifier-seq init-declarator-list; // since C++11 using identifier attribute-specifier-seq(opt) = type-id; /...

See also Size of integral types.

Polymer Starter Kit is an excellent solution to start building Progressive Web Apps. It offers a responsive material design User Interface, Page Routing, Offline-first service. Polymer: Command for initiating polymer cli Polymer init: Presents a list of templates to choose to build your eleme...

A nice introduction to material and textures. Diffuse, Bump, Specular, and Transparent Textures. ParameterDetailscolorNumeric value of the RGB component of the color.intensityNumeric value of the light's strength/intensity.fovCamera frustum vertical field of view.aspectCamera frustum aspect ra...

This class allows you to define programmatically a set of constraints to be used with ConstraintLayout. It lets you create and save constraints, and apply them to an existing ConstraintLayout.