Tutorial by Examples: p

Requirements: Protractor requires the following dependencies to be installed prior to installation: Java JDK 1.7 or higher Node.js v4 or higher Installation: Download and install Node.js from this URL: https://nodejs.org/en/ To see if the Node.js installation is successfull, you can go an...

Defining position as fixed we can remove an element from the document flow and set its position relatively to the browser window. One obvious use is when we want something to be visible when we scroll to the bottom of a long page. #stickyDiv { position:fixed; top:10px; left:10px; } ...

The following are data types intrinsic to Fortran: integer real character complex logical integer, real and complex are numeric types. character is a type used to store character strings. logical is used to store binary values .true. or .false.. All numeric and logical intrinsic types are...

Define a new type, mytype: type :: mytype integer :: int real :: float end type mytype Declare a variable of type mytype: type(mytype) :: foo The components of a derived type can be accessed with the % operator1: foo%int = 4 foo%float = 3.142 A Fortran 2003 feature (not yet ...

To raise an exception use Kernel#raise passing the exception class and/or message: raise StandardError # raises a StandardError.new raise StandardError, "An error" # raises a StandardError.new("An error") You can also simply pass an error message. In this case, the message i...

A custom exception is any class that extends Exception or a subclass of Exception. In general, you should always extend StandardError or a descendant. The Exception family are usually for virtual-machine or system errors, rescuing them can prevent a forced interruption from working as expected. # ...

Use the begin/rescue block to catch (rescue) an exception and handle it: begin # an execution that may fail rescue # something to execute in case of failure end A rescue clause is analogous to a catch block in a curly brace language like C# or Java. A bare rescue like this rescues Stand...

You can handle multiple errors in the same rescue declaration: begin # an execution that may fail rescue FirstError, SecondError => e # do something if a FirstError or SecondError occurs end You can also add multiple rescue declarations: begin # an execution that may fail rescue ...

with other sets # Intersection {1, 2, 3, 4, 5}.intersection({3, 4, 5, 6}) # {3, 4, 5} {1, 2, 3, 4, 5} & {3, 4, 5, 6} # {3, 4, 5} # Union {1, 2, 3, 4, 5}.union({3, 4, 5, 6}) # {1, 2, 3, 4, 5, 6} {1, 2, 3, 4, 5} | {3, 4, 5, 6} # {1, 2, 3, 4, 5, 6} # Difference ...

Substitutability is a principle in object-oriented programming introduced by Barbara Liskov in a 1987 conference keynote stating that, if class B is a subclass of class A, then wherever A is expected, B can be used instead: class A {...} class B extends A {...} public void method(A obj) {...} ...

Deploying an advanced project template to shared hosting is a bit trickier than a basic one because it has two webroots, which shared hosting webservers don't support. We will need to adjust the directory structure so frontend URL will be http://site.local and backend URL will be http://site.local/a...

Go to Install Neo4j which should detect the OS platform via your web browser, download and follow the usual installation instructions for your OS. Neo4j was created with Java, therefore will run on any platform with Java installed, however the Neo4j team has simplified installation by providing eas...

Introduction SharePoint 2016 is the version 16 release of the SharePoint product family. It was released on May 4, 2016. This example covers the installation of SharePoint 2016 using the Single Server Farm configuration. This configuration covers the basics of setting up a SharePoint farm without t...

Detailed instructions on getting ironpython set up or installed. Install IronPython Just download the newest version from http://ironpython.net and follow the instructions from the msi package. This package will setup everything you need to start working with ironpython.

As mentioned in Basics, we can use anything which implements IntoIterator with the for loop: let vector = vec!["foo", "bar", "baz"]; // vectors implement IntoIterator for val in vector { println!("{}", val); } Expected output: foo bar baz ...

Detailed instructions on getting access-vba set up or installed.

Requirements The following setup guide is for cakephp 2.8 and above. All cakephp versions lower than 2.8 are not compatible with php 7 HTTP Server. For example: Apache. Having mod_rewrite is preferred, but by no means required. PHP 5.5.9 or greater (including PHP 7). mbstring PHP extension in...

To create and manage Heroku apps locally you'll need the Heroku Toolbelt, here are some ways to get it. Download Download the Heroku Toolbelt installer from Heroku's website. Homebrew Install heroku with brew: brew install heroku Debian/Ubuntu Run this script: wget -O- https://toolbelt.her...

The public keyword makes a class (including nested classes), property, method or field available to every consumer: public class Foo() { public string SomeProperty { get; set; } public class Baz { public int Value { get; set; } } } public class Bar() { publ...

The private keyword marks properties, methods, fields and nested classes for use inside the class only: public class Foo() { private string someProperty { get; set; } private class Baz { public string Value { get; set; } } public void Do() { var ...