Tutorial by Topics: functions

Arrow functions are a concise way of writing anonymous, lexically scoped functions in ECMAScript 2015 (ES6). x => y // Implicit return x => { return y } // Explicit return (x, y, z) => { ... } // Multiple arguments async () => { ... } // Async...

DENSE_RANK ( ) OVER ( [ <partition_by_clause> ] < order_by_clause > ) RANK ( ) OVER ( [ partition_by_clause ] order_by_clause ) ArgumentsDetails<partition_by_clause>Divides the result set produced by the FROM clause into partitions to which the DENSE_RANK function is appli...

// Calling: variable.member_function(); variable_pointer->member_function(); // Definition: ret_type class_name::member_function() cv-qualifiers { body; } // Prototype: class class_name { virt-specifier ret_type member_function() cv-qualifiers virt-speci...

PowerShell modules bring extendibility to the systems administrator, DBA, and developer. Whether it’s simply as a method to share functions and scripts. Powershell Functions are to avoid repitetive codes. Refer [PS Functions][1] [1]: PowerShell Functions PowerShell Scripts are used for automating...

Aggregate functions in SQL Server run calculations on sets of values, returning a single value. AVG([ALL|DISTINCT]expression) COUNT([ALL|DISTINCT]expression) MAX([ALL|DISTINCT]expression) MIN([ALL|DISTINCT]expression) SUM([ALL|DISTINCT]expression)

Vararg Keyword: vararg is used in a method declaration to indicate that a variable number of parameters will be accepted. Spread Operator: An asterisk (*) before an array that is used in function calls to "unfold" the contents into individual parameters.

When should you use SKActions to perform timer functions? Almost always. The reason for this is because Sprite Kit operates on an update interval, and the speed of this interval can be changed throughout the life time of the process using the speed property. Scenes can also be paused as well. ...

Ratio_To_Report ( expr ) OVER ( query_partition_clause )

SQL provides several built-in scalar functions. Each scalar function takes one value as input and returns one value as output for each row in a result set. You use scalar functions wherever an expression is allowed within a T-SQL statement. CAST ( expression AS data_type [ ( length ) ] ) CON...