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A session keeps track of ORM objects and their changes, manages transactions and is used to perform queries.

index(big, little) length or length() length(string) match(string, regex) split(string, array, separator) split(string, array) sprintf(format, ...) sub(regex, subst, string) sub(regex, subst) gsub(regex, subst) gsub(regex, subst, string) substr(string, start, end) substr(string, start)...

A browser's debugging console or web console is generally used by developers to identify errors, understand flow of execution, log data and for many other purpose at runtime. This information is accessed through the console object. void console.log(obj1 [, obj2, ..., objN]); void console.log(...

pyinstaller [options] script [script ...] | specfile PyInstaller is a module used to bundle python apps in a single package along with all the dependencies. The user can then run the package app without a python interpreter or any modules. It correctly bundles many major packages like numpy...

class Some[+T](value: T) extends Option[T] object None extends Option[Nothing] Option[T](value: T) Constructor to create either a Some(value) or None as appropriate for the value provided.

groovy.util.Node = node.find { childNode -> return true || false } node.append(nodeYouWantAsAChild) groovy.util.Node parsedNode = (new XmlParser()).parseText(someRawXMLString) ''' mutli-line string (not interpolated) ''' The three basic files of an IntelliJ project - the ipr, iws, and...

Model–view–controller (MVC) is an architectural pattern in software design, not a design pattern, which describes a way to structure our application and the responsibilities and interactions for each part in that structure. [1] Historically, MVC was first described in 1979 by Trygve Reenskaug as ...

This section demonstrates a variety of ways to interact with PowerPoint through VBA. From showing data on slides to creating charts, PowerPoint is a very powerful tool when used in conjunction with Excel. Thus, this section seeks to demonstrate the various ways VBA can be used to automate this i...

This topic outlines some basic naming conventions used when writing in the C# language. Like all conventions, they are not enforced by the compiler, but will ensure readability between developers. For comprehensive .NET framework design guidelines, see docs.microsoft.com/dotnet/standard/design-guid...

only return call() either implicitly such as in arrow function or explicitly, can be a tail call statment function foo(){ return bar(); } // the call to bar is a tail call function foo(){ bar(); }// bar is not a tail call. The function returns undefined when no return is given const foo = ()...

$collection = collect(['Value1', 'Value2', 'Value3']); // Keys default to 0, 1, 2, ..., Illuminate\Support\Collection provides a fluent and convenient interface to deal with arrays of data. You may well have used these without knowing, for instance Model queries that fetch multiple records...