Tutorial by Examples: ar

Because of the reasons explained in Remarks section you can't simply do this (unless you want to count occurrences of a specific code-unit): int count = text.Count(x => x == ch); You need a more complex function: public static int CountOccurrencesOf(this string text, string character) { ...

Simple struct C++ signature: typedef struct _PERSON { int age; char name[32]; } PERSON, *LP_PERSON; void GetSpouse(PERSON person, LP_PERSON spouse); C# definition [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Ansi)] public struct PERSON { public int age; [Ma...

Multidimensional arrays are basically arrays containing others arrays as elements. It is represented like [sizeDim1][sizeDim2]..[sizeLastDim]type, replacing sizeDim by numbers corresponding to the length of the dimention, and type by the type of data in the multidimensional array. For example, [2]...

Syntax for pushing to a remote branch git push <remote_name> <branch_name> Example git push origin master

You can use the following extension method for comparing the contents of two IList< T > instances of the same type. By default the items are compared based on their order within the list and the items themselves, passing false to the isOrdered parameter will compare only the items themselves ...

You can diff UTF-16 encoded files (localization strings file os iOS and macOS are examples) by specifying how git should diff these files. Add the following to your ~/.gitconfig file. [diff "utf16"] textconv = "iconv -f utf-16 -t utf-8" iconv is a program to convert differe...

The random() function can be used to generate pseudo-random numbers: void setup() { Serial.begin(9600); } void loop() { long randomNumber = random(500); // Generate a random number between 0 and 499 Serial.println(randomNumber); randomNumber = random(100, 1000); // Genera...

With TypeScript 1.8 it becomes possible for a type parameter constraint to reference type parameters from the same type parameter list. Previously this was an error. function assign<T extends U, U>(target: T, source: U): T { for (let id in source) { target[id] = source[id]; ...

name:"john doe"~1 Searches for multiple terms within a specific term distance (~1), i.e will find text containing john anonymous doe but not john second name doe

name:john Searches for a single term (joe) in a single field (name)

+firstname:john +surname:doe Matches documents where firstname is john and surname is doe. + predix indicates that the search term must occur (AND). +firstname:john -surname:doe Matches documents where firstname is john and surname is not doe. - predix indicates that the search term must not occu...

name:"john doe" Searches for multiple terms in specific order.

name:(john doe^5) The ^ indicator can be used to boost a search term to increase it's relevance level meaning that documents containing doe are more relevant than ones containing john

name:john* The * indicator allows you to do a wildcard search matching 0 or more characters after the search term john, will return documents containing john, johnson, john's, johnny and so on. name:do? The ? indicator allows you to do a wildcard search with a single character in the search term,...

age:[50 TO 60] Matches documents where age is between 50 and 60 including 50 and 60 age:{50 TO 60} Matches documents where age is between 50 and 60 excluding 50 and 60 age:[* TO 60] Matches documents where age is less than or equal to 60 age:[50 TO *] Matches documents where age is greater th...

ABAP Classes can be declared Globally or Locally. A global class can be used by any object within the ABAP repository. By contrast, a local class can only be used within the scope it is declared. CLASS lcl_abap_class DEFINITION. PUBLIC SECTION. PROTECTED SECTION. PRIVATE SECTION. ENDCLASS...

Class implementation: CLASS lcl_abap_class DEFINITION. PRIVATE SECTION. METHODS method1 IMPORTING iv_string TYPE string CHANGING cv_string TYPE string EXPORTING ev_string TYPE string. ENDCLASS. CLASS lcl_abap_class IMPLEMENTATION. METHOD m...

Class implementation: CLASS lcl_abap_class DEFINITION. PRIVATE SECTION. METHODS method1 RETURNING VALUE(rv_string) TYPE string. ENDCLASS. CLASS lcl_abap_class IMPLEMENTATION. METHOD method1. rv_string = 'returned value'. ENDMETHOD. ENDCLASS. Method call example: ...

When is an IEnumerable<T> a subtype of a different IEnumerable<T1>? When T is a subtype of T1. IEnumerable is covariant in its T parameter, which means that IEnumerable's subtype relationship goes in the same direction as T's. class Animal { /* ... */ } class Dog : Animal { /* ... */ }...

Prerequisite: Installing Gradle Once you have Gradle installed, you can setup a new or existing project by running cd $PROJECT_DIR gradle init --type=java-library Note that there are other project types like Scala you can get started with, but we'll use Java for this example. You will end up ...