Tutorial by Topics: m

Sails comes installed with a powerful ORM/ODM called Waterline, a datastore-agnostic tool that dramatically simplifies interaction with one or more databases. It provides an abstraction layer on top of the underlying database, allowing you to easily query and manipulate your data without writing v...

sync.Pool stores a cache of allocated but unused items for future use, avoiding memory churn for frequently changed collections, and allowing efficient, thread-safe re-use of memory. It is useful to manage a group of temporary items shared between concurrent clients of a package, for example a list ...

In SQL, SELECT statements return sets of results from data collections like tables or views. SELECT statements can be used with various other clauses like WHERE, GROUP BY, or ORDER BY to further refine the desired results.

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GPU computing requires a 'platform' which can connect to and utilize the hardware. The two primary low-level languages that accomplish this are CUDA and OpenCL. The former requires installation of the proprietary NVIDIA CUDA Toolkit and is only applicable on NVIDIA GPUs. The latter is both comp...

CTFE is a mechanism which allows the compiler to execute functions at compile time. There is no special set of the D language necessary to use this feature - whenever a function just depends on compile time known values the D compiler might decide to interpret it during compilation. You can also ...

What is the config system SilverStripe uses a global config system to store settings for classes and the application. These config variables can be used to define the structure of Models, security settings on Controllers or API keys for third party services. How it works Config values are p...

Programs written in C++ need to be compiled before they can be run. There is a large variety of compilers available depending on your operating system. Most operating systems ship without a compiler, and they have to be installed later. Some common compilers choices are: GCC, the GNU Compil...

ImageView (android.widget.ImageView) is a View for displaying and manipulating image resources, such as Drawables and Bitmaps. Some effects, discussed in this topic, can be applied to the image. The image source can be set in XML file (layout folder) or by programatically in Java code. The me...