Tutorial by Topics

Android Architecture Components is new collection of libraries that help you design robust, testable, and maintainable apps. Main parts are: Lifecycles, ViewModel, LiveData, Room.

Computational clause is used to describe type of storage used in COBOL. It is used for 3 ways: COMP-1, COMP-2 and COMP-3. The most common form of computational is COMP-3. It frequently is just called "COMP" by programmers.

The PSR (PHP Standards Recommendation) is a series of recommendations put together by the FIG (Framework Interop Group). "The idea behind the group is for project representatives to talk about the commonalities between our projects and find ways we can work together" - FIG FAQ PSRs can b...

An XML catalog is made up of entries from one or more catalog entry files. A catalog entry file is an XML file whose document element is catalog and whose content follows the XML catalog DTD defined by OASIS at http://www.oasis-open.org/committees/entity/spec.html. Most of the elements are catalog e...

This topic focuses on examples related to md-datepicker. For more details, please check the md-datepicker documentation here.

This topic includes examples of md-dialog. To find more details on md-dialog, please check the documentation here.

Jackson is a multi-purpose Java library for processing JSON. Jackson aims to be the best possible combination of fast, correct, lightweight, and ergonomic for developers. Jackson features： Multi processing mode, and very good collaboration Not only annotations, but also mixed annotations Fully s...

Sleep command can be used to pause for given time. If you want to use different input, use like this Seconds : $sleep 1s (seconds is default) Minutes : $sleep 1m Hours : $sleep 1h days : $sleep 1d If you want to sleep for less that one second, use $sleep 0.5 You can use like above accord...

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...

Engines can be considered miniature applications that provide functionality to their host applications. A Rails application is actually just a "supercharged" engine, with the Rails::Application class inheriting a lot of its behavior from Rails::Engine. Engines are the reusable rails appli...

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 ...

In Python function will be returned as soon as execution hits "return" statement.

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...

Applescript is a powerful scripting language that can be used directly from the Terminal command line to accomplish a multitude of tasks. All examples listed in this section are meant to be used from the Terminal application.

This topic includes short, brief but comprehensive examples of loading pre-trained weights, inserting new layers on top or in the middle of pre-tained ones, and training a new network with partly pre-trained weights. An example for each of out-of-the-box pre-trained networks, available in Keras libr...

Removing old data from dynamodb using a date attribute. My use case: removing old data from dynamodb using a date attribute. Important things to know: You can't query a table with using only range key attribute (date for example). You can only query a table using hash or hash+range key. ...

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

Numpy arrays can be saved and loaded in various ways.