Tutorial by Examples: s

Type ghci at a shell prompt to start GHCI. $ ghci GHCi, version 8.0.1: http://www.haskell.org/ghc/ :? for help Prelude>

(u)gettext_noop allows you to mark a string as translatable without actually translating it. A typical use case is when you want to log a message for developers (in English) but also want to display it to the client (in the requested language). You can pass a variable to gettext, but its content wo...

Arrays can be used as plain constants and class constants from version PHP 5.6 onwards: Class constant example class Answer { const C = [2,4]; } print Answer::C[1] . Answer::C[0]; // 42 Plain constant example const ANSWER = [2,4]; print ANSWER[1] . ANSWER[0]; // 42 Also from versi...

Find usages / Find usages in file Windows / Linux: Alt + F7 / Ctrl + F7 OS X / macOS: Option + F7 / Ctrl + F7 Highlight usages in file Windows / Linux: Ctrl + Shift + F7 OS X / macOS: Cmd + Shift + F7 Show usages Windows / Linux: Ctrl + Alt + F7 OS X / macOS: Cmd + Option + F7

Windows / Linux: Ctrl + P OS X / macOS: Cmd + P Shows what parameters a method and all of its overloads accepts.

The fourth version of the framework focuses mainly on making mobile web application development easier. New features in AP.NET MVC 4 ASP.NET Web API ASP.NET Web API is a framework that makes it easy to build HTTP services that reach a broad range of clients, including browsers and mobile devi...

Lets suppose you have 2 Lists A and B, and you want to remove from B all the elements that you have in A the method in this case is List.removeAll(Collection c); #Example: public static void main(String[] args) { List<Integer> numbersA = new ArrayList<>(); List<Intege...

Regular Map A map is an associative container, containing key-value pairs. #include <string> #include <map> std::map<std::string, size_t> fruits_count; In the above example, std::string is the key type, and size_t is a value. The key acts as an index in the map. Each key mu...

Reverse elements within a tuple colors = "red", "green", "blue" rev = colors[::-1] # rev: ("blue", "green", "red") colors = rev # colors: ("blue", "green", "red") Or using reversed (reversed gives an it...

def str = 'Single quoted string' assert str instanceof String

def str = "Double quoted string" assert str instanceof String

def param = 'string' def str = "Double quoted ${param}" assert str instanceof GString assert str == 'Double quoted string' The parameter is by default resolved eagerly, this means this applies: def param = 'string' def str = "Double quoted ${param}" param = 'another stri...

def str = '''multiline string''' assert str instanceof String

def str = ''' multiline string''' assert str.readLines().size() == 3

def str = '''\ multiline string''' assert str.readLines().size() == 2

def param = 'string' def str = """ multiline $param """ assert str instanceof GString assert str.readLines().size() == 3 assert str == ''' multiline string '''

def str = / multiline string no need to escape slash \n / assert str instanceof String assert str.readLines().size() == 4 assert str.contains('\\n')

def param = 'string' def str = / multiline $param no need to escape slash \n / assert str instanceof GString assert str.readLines().size() == 4 assert str.contains('\\n') assert str.contains('string')

def param = 'string' def str = $/ multiline $param no need to escape slash \n $ $$ /$ assert str instanceof GString assert str.readLines().size() == 6 assert str.contains('\\n') assert str.contains('$')

All functions to interact with coroutines are avaliable in the coroutine table. A new coroutine is created by using the coroutine.create function with a single argument: a function with the code to be executed: thread1 = coroutine.create(function() print("honk") end)...