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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"> ...

# 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 ...

fun Name(Params) = ... fun Name(Params) {...} fun Name(Params): Type {...} fun <Type Argument> Name(Params): Type {...} inline fun Name(Params): Type {...} { ArgName: ArgType -> ... } { ArgName -> ... } { ArgNames -> ... } { (ArgName: ArgType): Type -> ... } Paramet...

Constructor functions are actually just regular functions, there's nothing special about them. It's only the new keyword which causes the special behavior shown in the examples above. Constructor functions can still be called like a regular function if desired, in which case you would need to bind...

Imagine you had a class with some pretty important variables and they were set (by other programmers from their code) to unacceptable values.Their code brought errors in your code. As a solution, In OOP, you allow the state of an object (stored in its variables) to be modified only through methods. ...

(Very) basic Python client socket example

ParameterDetailsrequiredThe field is requiredsometimesRun validation checks against a field only if that field is present in the input arrayemailThe input is a valid emailmax:valueThe input value should be below the maximum valueunique:db_table_nameThe input value should be unique in the provided ...

RAII stands for Resource Acquisition Is Initialization. Also occasionally referred to as SBRM (Scope-Based Resource Management) or RRID (Resource Release Is Destruction), RAII is an idiom used to tie resources to object lifetime. In C++, the destructor for an object always runs when an object goes...

docker stats [OPTIONS] [CONTAINER...] docker logs [OPTIONS] CONTAINER docker top [OPTIONS] CONTAINER [ps OPTIONS]

docker inspect [OPTIONS] CONTAINER|IMAGE [CONTAINER|IMAGE...]

The C language is traditionally a compiled language (as opposed to interpreted). The C Standard defines translation phases, and the product of applying them is a program image (or compiled program). In c11, the phases are listed in §5.1.1.2. Filename extensionDescription.cSource file. Usually ...

WITH cte_name [(column_name_1, column_name_2, ...)] AS (cte_expression) It is necessary to separate a CTE from the previous statement with a semi-colon (;) character. i.e. ;WITH CommonTableName (...) SELECT ... FROM CommonTableName ... A CTE's scope is a single batch, and only downstream ...

ParameterDetailsRETURNSSpecifies the data type that can be returned from a function.RETURNActual variable or value following the RETURN syntax is what is returned to where the function was called from. A stored routine is either a procedure or a function. A procedure is invoked using a CALL st...