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Note that the do...end syntax is syntactic sugar for regular keyword lists, so you can actually do this: unless false, do: IO.puts("Condition is false") # Outputs "Condition is false" # With an `else`: if false, do: IO.puts("Condition is true"), else: IO.puts(&q...

Instant Run is an extended behavior for the run and debug commands that enables faster debugging by not requiring a full build and reinstall for eevry change done in your app's code. Introduced in Android Studio 2.0, Instant Run is a behavior for the Run and Debug commands that significantly ...

Joomla is a free and open-source content management system (CMS) for publishing web content. It is built on a model–view–controller web application framework that can be used independently of the CMS. Joomla is written in PHP, uses object-oriented programming (OOP) techniques (since version 1.5) ...

This section provides an overview of what joomla3.0 is, and why a developer might want to use it. It should also mention any large subjects within joomla3.0, and link out to the related topics. Since the Documentation for joomla3.0 is new, you may need to create initial versions of those related...

JPA is the Java Persistence API, a specification handling the mapping of Java objects and their relationships to a relational database. This is called an object-relational mapper (ORM). It is an alternative for (or supplement to) the more low-level JDBC. It is most useful when pursuing a Java-orie...

Anonymous functions can be created using LAMBDA. Local functions can be defined using LABELS or FLET. Their parameters are defined the same was as in global named functions.

#one line comment /* multiple line comments */ parameter = value parameter.property = value2 parameter.property > # delete property parameter.property2 < parameter.property # copy (deep) properties parameter.property := addToList(35) # Add value to comma separated list parameter.prope...

About Scipy SciPy is a collection of mathematical algorithms and convenience functions built on the Numpy extension of Python. It adds significant power to the interactive Python session by providing the user with high-level commands and classes for manipulating and visualizing data. With SciPy a...

Assuming a class named Class... type *ptr = &Class::member; // Point to static members only type Class::*ptr = &Class::member; // Point to non-static Class members For pointers to non-static class members, given the following two definitions: Class instance; Class *...

@mixin mixin-name ($argument1, $argument, ...){ ... }

The generic types declared within the triangle brackets: <T> Constrainting the generic types is done with the extends keyword: <T extends Car> The generic parameters are not available at runtime, they are just for the compile time. This means you can't do something like this: ...

public static Object PrefabUtility.InstantiatePrefab(Object target); public static Object AssetDatabase.LoadAssetAtPath(string assetPath, Type type); public static Object Object.Instantiate(Object original); public static Object Resources.Load(string path);

Models and View-Models The definition of a model is often hotly debated, and the line between a model and a view-model can be blurred. Some prefer not to "pollute" their models with the INotifyPropertyChanged interface, and instead duplicate the model properties in the view-model, whic...

d3.select(selector) d3.selectAll(selector) selection.select(selector) selection.selectAll(selector) selection.filter(filter) selection.merge(other) Related Readings: How Selections Work - Mike Bostock d3-selection README

Signals and slots are used for communication between objects. The signals and slots mechanism is a central feature of Qt. In GUI programming, when we change one widget, we often want another widget to be notified. More generally, we want objects of any kind to be able to communicate with one anothe...

While there are schools of thought which make compelling arguments why unconstrained use of Singletons is a bad idea, e.g. Singleton on gameprogrammingpatterns.com, there are occasions when you might want to persist a GameObject in Unity over multiple Scenes (e.g. for seamless background music) wh...