Tutorial by Topics: and

Random() Random(int Seed) int Next() int Next(int maxValue) int Next(int minValue, int maxValue) ParametersDetailsSeedA value for generating random numbers. If not set, the default value is determined by the current system time.minValueGenerated numbers won't be smal...

The version syntax doesn't allow us to guard off versions that don't exist yet, so this is a reminder for somebody to go back and edit them in once it lands( RE: Perl 5.26 ). The version guards rather need to have a "future" classification for tentative features that might be available ...

class MyClass{} // curly braces are optional here as class body is empty class MyClassWithMethod {def method: MyClass = ???} new MyClass() //Instantiate object MyObject // Singleton object class MyClassWithGenericParameters[V1, V2](vl: V1, i: Int, v2: V2) class MyClassWithImplicitFieldCreati...

-- defining a function with no arguments looks the same as simply defining a value language = "Elm" -- calling a function with no arguments by stating its name language -- parameters are separated by spaces and follow the function's name add x y = x + y -- call a function in the s...

window.onerror = function (eventOrMessage, url, lineNumber, colNumber, error) { ... } ParameterDetailseventOrMessageSome browsers will call the event handler with just one argument, an Event object. However, other browsers, especially the older ones and older mobile ones will supply a String...

The random module of NumPy provides convenient methods for generating random data having the desired shape and distribution. Here's the official documentation.

The simplicity of basic CMake variables belies the complexity of the full variable syntax. This page documents the various variable cases, with examples, and points out the pitfalls to avoid. set(variable_name value [CACHE type description [FORCE]]) Variable names are case-sensitive. Th...

What is android-gradle android-gradle is a gradle plugin officially maintained by Google Tools developer team and is the official build tool since the announcement in May 16, 2013 at the Google I/O. Learn the basic by reading Configure your build with Gradle. Main features The main feature...

The main difference between macros and functions is, that macros are evaluated within the current context, while functions open a new scope within the current one. Thus, variables defined within functions are not known after the function has been evaluated. On the contrary, variables within macros...

An error 1009 is a general error that arises when you are trying to receive a value out of a variable or property that has a value of null. The examples provided expose various cases where this error arises, together with some recommendations on how to mitigate the error. The dreaded and often ask...

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 ...

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...

reader = new FileReader(); Property/MethodDescriptionerrorA error that occurred while reading the file.readyStateContains the current state of the FileReader.resultContains the file contents.onabortTriggered when the operation is aborted.onerrorTriggered when an error is encountered.onloadT...