Tutorial by Topics: i

grep prints lines that contain a match for a pattern within files. grep can use regular expressions and has several options to improve the quality of the results. References POSIX FreeBSD man page OpenBSD man page GNU grep online manual Illumos man page POSIX g...

Elm (receiving): port functionName : (value -> msg) -> Sub msg JS (sending): app.ports.functionName.send(value) Elm (sending): port functionName : args -> Cmd msg JS (receiving): app.ports.functionName.subscribe(function(args) { ... }); Consult http://guide.elm-lang.org/interop...

<input [value]="value"> - Binds attribute value class member name. <div [attr.data-note]="note"> - Binds attribute data-note to variable note. <p green></p> - Custom directive The main source of information about Angular 2 directives...

Regex should be used for other uses besides getting strings out of strings or otherwise cutting strings into pieces.

<calc()> = calc( <calc-sum> ) <calc-sum> = <calc-product> [ [ '+' | '-' ] <calc-product> ]* <calc-product> = <calc-value> [ '*' <calc-value> | '/' <number> ]* <calc-value> = <number> | <dimension> | <percentage> | ( ...

IEnumerable is the base interface for all non-generic collections like ArrayList that can be enumerated. IEnumerator<T> is the base interface for all generic enumerators like List<>. IEnumerable is an interface which implements the method GetEnumerator. The GetEnumerator method returns ...

In .NET strings System.String are sequence of characters System.Char, each character is an UTF-16 encoded code-unit. This distinction is important because spoken language definition of character and .NET (and many other languages) definition of character are different. One character, which shoul...