Tutorial by Examples: in

One helpful case is to have the action run a block of code. In Swift: let node = SKSpriteNode(imageNamed: "image") let actionBlock = SKAction.runBlock({ //Do what you want here if let gameScene = node.scene as? GameScene { gameScene.score += 5 } }) node.runActi...
To select an element by an HTML attribute that contains a specified value use the css locator pattern [attribute*=value] //selects the first element with href value that contains'cont' element(by.css('[href*="cont"]')); //selects the first element with tag h1 and class attribute that...
Sometimes users from other regions than English-speaking have problems with encoding while for example programming a php project. It can be, that the server has another encoding then UTF-8, and if someone want to create a php project in UTF-8 on this server, his text might be shown incorrect. Examp...
Let us assume we have the following Series: >>> import pandas as pd >>> s = pd.Series([1, 4, 6, 3, 8, 7, 4, 5]) >>> s 0 1 1 4 2 6 3 3 4 8 5 7 6 4 7 5 dtype: int64 Followings are a few simple things which come handy when you are workin...
Pandas provides an effective way to apply a function to every element of a Series and get a new Series. Let us assume we have the following Series: >>> import pandas as pd >>> s = pd.Series([3, 7, 5, 8, 9, 1, 0, 4]) >>> s 0 3 1 7 2 5 3 8 4 9 5 1 ...
An Analyzer can be applied to a mapping by using "analyzer", by default the "standard" Analyzer is used. Alternatively, if you do not wish to have any analyzer used (because tokenizing or normalization would not be useful) you may specify "index":"not_analyzed&quo...
Once you have access to the host-manager, the GUI will let you add a virtual host. Note: In Tomcat 7 and 8, adding a virtual host via the GUI does not write the vhost to config files. You will need to manually edit the server.xml file to have the vhost available after a restart. See http://tomc...
Once a virtual host has been added via the web application, directories will exist at: {CATALINA_HOME}\conf\Catalina\{Name} {CATALINA_HOME}\{App Base} To persist the virtual host after a restart, the server.xml file must be updated with the configuration. A Host element needs to be added inside...
A child theme is identified by WordPress when there is a directory (for example child-theme) inside /wp-content/themes/ with the following files: style.css This file must start with a comment template like this: /* Theme Name: Example Child Author: Me Author URI: https://example.com/ ...
The most common usage of a child theme is to override template parts. For example, a sidebar, if we have a theme with the following file at /themes/template/sidebar.php <?php /** * The sidebar containing the main widget area. * * @link https://developer.wordpress.org/themes/basics/templa...
Steps to reset database in Heroku: 1. Drop the database, when SHARED_DATABASE_URL is used: heroku pg:reset DATABASE 2. Recreate the database with nothing in it: heroku run rake db:migrate 3. Populate the database with your seed data: heroku run rake db:seed Steps 2 and 3 can be combined...
Sometimes we have requirement of parsing pages, but doing so requires you to be an authorised user. Here is an example which shows you how to do in oracle sign in. import sys import requests import json from bs4 import BeautifulSoup def mprint(x): sys.stdout.write(x) print re...
Load an image from an asset catalog using UIImage.FromBundle(string imageName) UIImage image = UIImage.FromBundle("ImageName"); // use the name of the image set from the asset catalog You can use the image for a UIImageView or anything else you need to do.
Asset catalogs allow managing images, app icons, and launch images. Image Set is used for images which are displayed in the app. Universal images are usually the best option. You can either use a vector based image (such as PDF) which will scale for all screens, or include a 1x, 2x, and 3x variant...
Asset catalog images can be used from storyboards like any other kind of image added to the project. They will be automatically populated as an option in UIImageView and other views which support adding an image.
Executing a task with the background worker. Double Click on the BackgroundWorker control from the Toolbox This is how the BackgroundWorker appears after adding it. Double click on the added control to get the BackgroundWorker1_DoWork event and add the code to be executed when the BackgroundW...
You cannot access any GUI components from the BackgroudWorker. For example if you try to do something like this Private Sub BackgroundWorker1_DoWork(sender As Object, e As DoWorkEventArgs) TextBox1.Text = "Done" End Sub you will receive a runtime error saying that "Cross-thr...
Installers are custom types that implement the IWindsorInstaller interface and are used to register Components to the container, using the fluent registration API. public class MyInstaller : IWindsorInstaller { public void Install(IWindsorContainer container, IConfigurationStore store) {...
When registering types to the container Castle uses the type of the class in order to resolve. In the case that there is more than one registration for a specific type the Name property must be set: public void Install(IWindsorContainer container, IConfigurationStore store) { container.Regist...
A Lifestyle is the "how" Castle controls the scope in which a component is used and when to clean it up. The built-in lifestyles are Singelton, Transient, PerWebRequest, Scoped, Bound, PerThread and Pooled container.Register( Component.For<IFoo>() .ImplementedBy<...

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