Tutorial by Examples: abs

Components and Props As React concerns itself only with an application's view, the bulk of development in React will be the creation of components. A component represents a portion of the view of your application. "Props" are simply the attributes used on a JSX node (e.g. <SomeComponen...

AbsoluteLayout positions and sizes child elements proportional to its own size and position or by absolute values. Child views may be positioned and sized using proportional values or static values, and proportional and static values can be mixed. A definition of an AbsoluteLayout in XAML looks l...

<img src="{{ app.request.getSchemeAndHttpHost() ~ asset('static/images/logo-default.png') }}" alt="Logo"/> <!--Generates path for the file "/web/static/images/logo-default.png" -->

SauceLabs is an Automated Testing Platform for the enterprise. It supports both continuous integration, cross browser testing, and a mobile device cloud. Costs are higher than with Travis, Circle, or BrowserStack, hwoever. { "selenium" : { "start_process" : false, ...

Provide an interface for creating families of related or dependent objects without specifying their concrete classes. In this example demonstrates the creation of different animal worlds for a computer game using different factories. Although the animals created by the Continent factories are diffe...

Scenario: You need to resolve a dependency when a method is called, not in the constructor. Solution: Inject an abstract factory into the constructor. When the method is called, it requests the dependency from the abstract factory, which in turn resolves it from the container. (Your class depends o...

To change to an absolutely specified directory, use the entire name, starting with a backslash \, thus: cd /home/username/project/abc If you want to change to a directory near your current on, you can specify a relative location. For example, if you are already in /home/username/project, you can...

To make tabs fade in, add .fade to each .tab-pane. The active tab pane must also have .in class to make the initial content visible. <ul class="nav nav-tabs" role="tablist"> <li role="presentation"> <a href="#id-of-content-1" role...

Abstract base classes (ABCs) enforce what derived classes implement particular methods from the base class. To understand how this works and why we should use it, let's take a look at an example that Van Rossum would enjoy. Let's say we have a Base class "MontyPython" with two methods (jo...

// Set up Express var express = require('express'); var app = express(); // Serve files from the absolute path of the directory app.use(express.static(__dirname + '/public')); // Start Express server app.listen(3030);

// Set up Express var express = require('express'); var app = express(); /* Serve from the absolute path of the directory that you want to serve with a */ virtual path prefix app.use('/static', express.static(__dirname + '/public')); // Start Express server app.listen(3030);

Abstraction is one of the main concepts in Object Oriented Programming (OOP). This is the process of hiding the implementation details for the outsiders while showing only essential details. In another words, Abstraction is a technique to arrange the complexity of a program. There are two basic typ...

HTML: <div class="wrapper"> <img src="http://cdn.sstatic.net/Sites/stackoverflow/company/img/logos/so/so-icon.png?v=c78bd457575a"> </div> CSS: .wrapper{ position:relative; height: 600px; } .wrapper img { position: absolute; top: 0; le...

Found under Terminal > Preferences General In the general tab, you can chose which profile is opened when you start terminal. You can set "Shells open with" to chose which directory terminal opens to, or specify a command to run each time you open a new terminal window or tab. Profil...

You can convert tabs to spaces by doing the following: First check that expandtab is switched off :set noexpandtab Then :retab! which replaces spaces of a certain length with tabs If you enable expandtab again :set expandtab then and run the :retab! command then all the tabs becomes spaces...

var providerName = "System.Data.SqlClient"; //Oracle.ManagedDataAccess.Client, IBM.Data.DB2 var connectionString = "{your-connection-string}"; //you will probably get the above two values in the ConnectionStringSettings object from .config file var factory = DbProviderFac...

Consider the BST: Lowest common ancestor of 22 and 26 is 24 Lowest common ancestor of 26 and 49 is 46 Lowest common ancestor of 22 and 24 is 24 Binary search tree property can be used for finding nodes lowest ancestor Psuedo code: lowestCommonAncestor(root,node1, node2){ if(root == NULL) ...

public abstract class BaseActivity extends AppCompatActivity { private Map<Integer, PermissionCallback> permissionCallbackMap = new HashMap<>(); @Override protected void onStart() { super.onStart(); ... } @Override public void setConten...

Note: For brevity, the commands use here-strings (<<<) and ANSI C-quoted strings ($'...'). Both these shell features work in bash, ksh, and zsh. # GNU Sed $ sed ':a;$!{N;ba}; s/\n/\t/g' <<<$'line_1\nline_2\nline_3' line_1 line_2 line_3 # BSD Sed equivalent (multi-line form) ...

Nested prefabs are not avaible in Unity at the moment. You can drag one prefab to another, and apply that, but any changes on the child prefab will not be applied to nested one. But there is a simple workaround - You have to add to parent prefab a simple script, that will instantiate a child one. ...