Tutorial by Examples: in

The criteria that a type must satisfy in order to support pointers (see Remarks) cannot be expressed in terms of generic constraints. Therefore, any attempt to declare a pointer to a type provided through a generic type parameter will fail. void P<T>(T obj) where T : struct { T* p...
This example is the second of a series of 3. If you didn't yet, please read the Block diagram example first. With a block diagram that complies with the 10 rules (see the Block diagram example), the VHDL coding becomes straightforward: the large surrounding rectangle becomes the VHDL entity,...
You can create your own implementation of IDatabaseInitializer. Example implementation of an initializer, that will migrate the database to 0 and then migrate all the way to the newest migration (usefull e.g. when running integration tests). In order to do that you would need a DbMigrationsConfigur...
Transformations alter a given point's starting position by moving, rotating & scaling that point. Translation: Moves a point by a distanceX and distanceY. Rotation: Rotates a point by a radian angle around it's rotation point. The default rotation point in Html Canvas is the top-left origin ...
Detailed instructions on getting windows-azure-storage set up or installed.
Block strings can be used to hold formatted or indentation-sensitive text (or, if you just don't feel like escaping quotes and apostrophes). The indentation level that begins the block is maintained throughout, so you can keep it all aligned with the body of your code. html = """ ...
Multiline strings are allowed in CoffeeScript. Lines are joined by a single space unless they end with a backslash. Indentation is ignored. mobyDick = "Call me Ishmael. Some years ago -- never mind how long precisely -- having little or no money in my purse, and nothing particular to ...
While the if ()... else statement allows to define only one (default) behaviour which occurs when the condition within the if () is not met, chaining two or more if () ... else statements allow to define a couple more behaviours before going to the last else branch acting as a "default", i...
Plenty has been written about Python's GIL. It can sometimes cause confusion when dealing with multi-threaded (not to be confused with multiprocess) applications. Here's an example: import math from threading import Thread def calc_fact(num): math.factorial(num) num = 600000 t = Threa...
In most object oriented languages, allocating memory for an object and initializing it is an atomic operation: // Both allocates memory and calls the constructor MyClass object = new MyClass(); In Objective-C, these are separate operations. The class methods alloc (and its historic sibling allo...
Use the following piece of code to set the badge number from within your application (suppose someNumber has been declared before): Objective-C [UIApplication sharedApplication].applicationIconBadgeNumber = someNumber; Swift UIApplication.shared.applicationIconBadgeNumber = someNumber In order ...
There's an installation guide for running a JIRA Server under Windows or Linux / Mac ( see Installing JIRA applications) For local testing there's an SDK, which starts a JIRA test instance and can be used to develop JIRA Plugins (see Set up the Atlassian Plugin SDK and Build a Project)
Consider the following example: public final class Person { private final String firstName; private final String lastName; public Person(String firstName, String lastName) { this.firstName = (firstName == null) ? "" : firstName; this.lastName = (lastN...
[Header( "My variables" )] public string MyString; [HideInInspector] public string MyHiddenString; [Multiline( 5 )] public string MyMultilineString; [TextArea( 2, 8 )] public string MyTextArea; [Space( 15 )] public int MyInt; [Range( 2.5f, 12.5f )] public float MyFlo...
Use .PHONY to specify the targets that are not files, e.g., clean or mrproper. Good example .PHONY: clean clean: rm *.o temp Bad example clean: rm *.o temp In the good example make knows that clean is not a file, therefore it will not search if it is or not up to date and will ex...
Data frames are R's tabular data structure. They can be written to or read from in a variety of ways. This example illustrates a couple common situations. See the links at the end for other resources. Writing Before making the example data below, make sure you're in a folder you want to write to....
Detailed instructions on getting core-bluetooth set up or installed.
This example uses C++14 and boost::any. In C++17 you can swap in std::any instead. The syntax we end up with is: const auto print = make_any_method<void(std::ostream&)>([](auto&& p, std::ostream& t){ t << p << "\n"; }); super_any<decltype(print...
<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8" /> <title>Draw two rectangles on the canvas</title> <style> canvas{ border:1px solid gray; } </style> <script async...
We can change the tasks execution order with the dependsOn method. task A << { println 'Hello from A' } task B(dependsOn: A) << { println "Hello from B" } Adding `dependsOn: causes: task B depends on task A Gradle to execute A task everytime before the B ta...

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