Tutorial by Topics: t

Nullable<int> i = 10; int? j = 11; int? k = null; DateTime? DateOfBirth = DateTime.Now; decimal? Amount = 1.0m; bool? IsAvailable = true; char? Letter = 'a'; (type)? variableName Nullable types can represent all the values of an underlying type as well as null. The syntax T? i...

Google Analytics and the Google Analytics developer platform allows you to collect, configure, and analyze your data to reach the right audience. Libraries and SDKs for tracking Web Tracking (analytics.js): Measure user interaction with websites or web applications. Android: Measure user in...

wp_enqueue_style($handle, $src, $dependency, $version, $media); ParameterDetails$handle(String) (Required) Unique name for the stylesheet.$src(String) (Optional) URL of stylesheet which will be used inside link tag's src attribute.$deps(String) (Optional) An array of stylesheet handles this ...

funcname = function(paramA, paramB, ...) body; return exprlist end -- a simple function function funcname(paramA, paramB, ...) body; return exprlist end -- shorthand for above local funcname = function(paramA, paramB, ...) body; return exprlist end -- a lambda local funcname; funcname = functio...

Help text can be located before or after the function line, as long as there is not code between the function line and the start of the help text. Capitalization of the function name only bolds the name, and is not required. If a line is prepended with See also, any names on the line that mat...

git clean [-d] [-f] [-i] [-n] [-q] [-e <pattern>] [-x | -X] [--] <path> ParameterDetails-dRemove untracked directories in addition to untracked files. If an untracked directory is managed by a different Git repository, it is not removed by default. Use -f option twice if you real...

(function name) ; retrieves the function object of that name #'name ; syntactic sugar for (function name) (symbol-function symbol) ; returns the function bound to symbol (funcall function args...) ; call function with args (apply function arglist) ; call function with arguments given in a list...

ParameterDetailsos.F_OKValue to pass as the mode parameter of access() to test the existence of path.os.R_OKValue to include in the mode parameter of access() to test the readability of path.os.W_OKValue to include in the mode parameter of access() to test the writability of path.os.X_OKValue to in...

Meta tags in HTML documents provide useful information about the document including a description, keywords, author, dates of modifications and around 90 other fields. This topic covers the usage and purpose of these tags. <meta name="metadata name" content="value"> ...

Compose is a tool for defining and running multi-container Docker applications. With Compose, you use a Compose file to configure your application’s services. Then, using a single command, you create and start all the services from your configuration. To learn more about all the features of Compos...

[] // an empty list. head::tail // a construction cell holding an element, head, and a list, tail. :: is called the Cons operator. let list1 = [ 1; 2; 3 ] // Note the usage of a semicolon. let list2 = 0 :: list1 // result is [ 0; 1; 2; 3 ] let list3 = list1 @ list2 // result is [ 1; 2; 3; 0...

# Only replace email addresses <[email protected]> <[email protected]> # Replace name by email address Contributor <[email protected]> # Merge multiple aliases under one name and email # Note this will not associate 'Other <[email protected]>'. Contributor <pr...

These language extensions are typically available when using the Glasgow Haskell Compiler (GHC) as they are not part of the approved Haskell 2010 language Report. To use these extensions, one must either inform the compiler using a flag or place a LANGUAGE programa before the module keyword in a ...

International Standard ISO/IEC 9899:201x Programming languages — C Accessing a volatile object, modifying an object, modifying a file, or calling a function that does any of those operations are all side effects, which are changes in the state of the execution environment. The presence o...