Tutorial by Topics: o

'use strict'; "use strict"; `use strict`; Strict mode is an option added in ECMAScript 5 to enable a few backwards-incompatible enhancements. Behaviour changes in "strict mode" code include: Assigning to undefined variables raises an error instead of defining new ...

require spl_autoload_require Autoloading, as part of a framework strategy, eases the amount of boilerplate code you have to write.

A jQuery selectors selects or finds a DOM (document object model) element in an HTML document. It is used to select HTML elements based on id, name, types, attributes, class and etc. It is based on existing CSS selectors. Tag: No marker, use the tag directly Id: #id Class: .className Attrib...

mydict = {} mydict[k] = value value = mydict[k] value = mydict.get(k) value = mydict.get(k, "default_value") ParameterDetailskeyThe desired key to lookupvalueThe value to set or return Helpful items to remember when creating a dictionary: Every key must be unique (otherwi...

git config [<file-option>] name [value] # one of the more common use cases of git config ParameterDetails--systemEdits the system-wide configuration file, which is used for every user (on Linux, this file is located at $(prefix)/etc/gitconfig)--globalEdits the global configuration fi...

command </path/to/file # Redirect standard input to file command >/path/to/file # Redirect standard output to flie command file_descriptor>/path/to/file # Redirect output of file_descriptor to file command >&file_descriptor # Redirect output to file_descriptor command file_des...

.prototype.createdCallback() .prototype.attachedCallback() .prototype.detachedCallback() .prototype.attributeChangedCallback(name, oldValue, newValue) document.registerElement(name, [options]) ParameterDetailsnameThe name of the new custom element.options.extendsThe name of the native el...

Xamarin.iOS allows you to create native iOS applications using the same UI controls you would in Objective-C and Xcode, but with the flexibility and elegance of a modern language (C#), the power of the .NET Base Class Library (BCL), and two first-class IDEs - Xamarin Studio and Visual Studio - at ...

Xamarin.Android allows you to create native Android applications using the same UI controls as you would in Java, except with the flexibility and elegance of a modern language (C#), the power of the .NET Base Class Library (BCL), and two first-class IDEs - Xamarin Studio and Visual Studio - at the...

clear: none | left | right | both | inline-start | inline-end; float: left | right | none | inline-start | inline-end; As float implies the use of the block layout, it modifies the computed value of the display values in some cases [1] [1]: https://developer.mozilla.org/en-US/docs/We...

JSON (JavaScript Object Notation) is a lightweight data-interchange format. It is easy for humans to read and write and easy for machines to parse and generate. It is important to realize that, in JavaScript, JSON is a string and not an object. A basic overview can be found on the json.org website ...

[ "$1" = "$2" ] #A "[" bracket is actually a command. Because of this it requires a space befor and after it. test "$1" = "$2" #Test is a synonym for the "[" command Parameter to [ or testDetailsFile OperatorsDetails-e "$file&...