Tutorial by Topics: ls

Do not use the XmlSerializer to parse HTML. For this, special libraries are available like the HTML Agility Pack

All control structures, unless otherwise noted, make use of block statements. These are denoted by curly braces {}. This differs from normal statements, which do not require curly braces, but also come with a stiff caveat in that only the line immediately following the previous statement would b...

The Executor interface in Java provides a way of decoupling task submission from the mechanics of how each task will be run, including details of thread use, scheduling, etc. An Executor is normally used instead of explicitly creating threads. With Executors, developers won't have to significantly r...

FileOutputStream openFileInput (String name) FileOutputStream openFileOutput (String name, int mode) File(File dir, String name) File(String path) File getExternalStoragePublicDirectory (String type) File getExternalFilesDir (String type) ParameterDetailsnameThe name of the file to ope...

Ruby on Rails (RoR), or Rails, is an open-source popular web application framework. Rails uses Ruby, HTML, CSS, and JavaScript to create a web application that runs on a web server. Rails uses the model-view-controller (MVC) pattern and provides a fullstack of libraries from the database all t...

This is a set of examples highlighting basic usage of SQL Server. VersionRelease DateSQL Server 20162016-06-01SQL Server 20142014-03-18SQL Server 20122011-10-11SQL Server 2008 R22010-04-01SQL Server 20082008-08-06SQL Server 20052005-11-01SQL Server 20002000-11-01

Protocols are a way of specifying how to use an object. They describe a set of properties and methods which a class, structure, or enum should provide, although protocols pose no restrictions on the implementation. A Swift protocol is a collection of requirements that conforming types must imp...

“ An optional value either contains a value or contains nil to indicate that a value is missing” Excerpt From: Apple Inc. “The Swift Programming Language (Swift 3.1 Edition).” iBooks. https://itun.es/us/k5SW7.l Basic optional use cases include: for a constant (let), use of an optional within a loo...

timeoutID = setTimeout(function() {}, milliseconds) intervalID = setInterval(function() {}, milliseconds) timeoutID = setTimeout(function() {}, milliseconds, parameter, parameter, ...) intervalID = setInterval(function() {}, milliseconds, parameter, parameter, ...) clearTimeout(timeoutID) cle...

trap action sigspec... # Run "action" on a list of signals trap sigspec... # Omitting action resets traps for signals ParameterMeaning-pList currently installed traps-lList signal names and corresponding numbers The trap utility is a special shell built-in. It's defined in POSI...

Integer Literals is a numeral without a decimal point for example 0, 1, 42, ... is implicitly applied to fromInteger which is part of the Num type class so it indeed has type Num a => a - that is it can have any type that is an instance of Num Fractional Literals is a numeral with a ...

Template literals are a type of string literal that allows values to be interpolated, and optionally the interpolation and construction behaviour to be controlled using a "tag" function. message = `Welcome, ${user.name}!` pattern = new RegExp(String.raw`Welcome, (\w+)!`); query = S...

[ "$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&...

Conditional expressions, involving keywords such as if, else if, and else, provide Swift programs with the ability to perform different actions depending on a Boolean condition: True or False. This section covers the use of Swift conditionals, Boolean logic, and ternary statements. For more in...

ParameterDetailsindexRootThe root name of the index to hit, the format is expected to be fmt.Sprintf("%s-%s", index_root, d.Format("2006.01.02"))keyStringCreates groups (like tagsets) and can also filter those groups. It is the format of "field:regex,field:regex...". T...

ParameterDetailsindexRootThe root name of the index to hit, the format is expected to be fmt.Sprintf("%s-%s", index_root, d.Format("2006.01.02"))keyStringCreates groups (like tagsets) and can also filter those groups. It is the format of "field:regex,field:regex...". T...

undef # False '' # Defined, False 0 # Defined, Has Length, False '0' # Defined, Has Length, False Perl does not have a boolean data type, nor does it have any true and false keywords like many other languages. However, every scalar value will evaluate to true or false when evalu...

<select name=""></select> <datalist id=""></datalist> <optgroup label="Option Group"></optgroup> <option value="">Option</option>