Tutorial by Examples: u

The break instruction: Using break we can leave a loop even if the condition for its end is not fulfilled. It can be used to end an infinite loop, or to force it to end before its natural end The syntax is break; Example: we often use break in switch cases,ie once a case i switch is satisfied...

Below example changes the opacity of the image based on the "status" parameter. <img class="img-responsive" ng-src="{{imagesrc}}" ng-style="{'opacity' : (status == 2) ? 1 : 0.5}">

I'll start with a really short explanation what is and why use Model-View-ViewModel (MVVM) design pattern in your iOS apps. When iOS first appeared, Apple suggested to use MVC (Model-View-Controller) as a design pattern. They showed it in all of their examples and all first developers were happy us...

Environment Setup: Download android sdk of API level 17 or more Node.js (https://nodejs.org/) Appium software (http://appium.io/) Selenium jars (http://www.seleniumhq.org/download/) Appium jar (https://search.maven.org/#search%7Cga%7C1%7Cg%3Aio.appium%20a%3Ajava-client) .apk file of the appl...

This example is about changing the form depending on decisions the user did with the form previously. In my special case, I needed to disable a selectbox, if a certain checkbox wasn't set. So we have the FormBuilder, where we'll set the EventListener on the FormEvents::PRE_SUBMIT event. We're usin...

SELECT E.EMPLOYEE_ID,E.LAST_NAME,E.MANAGER_ID FROM HR.EMPLOYEES E CONNECT BY PRIOR E.EMPLOYEE_ID = E.MANAGER_ID; The CONNECT BY clause to define the relationship between employees and managers.

SELECT E.LAST_NAME|| ' reports to ' || PRIOR E.LAST_NAME "Walk Top Down" FROM HR.EMPLOYEES E START WITH E.MANAGER_ID IS NULL CONNECT BY PRIOR E.EMPLOYEE_ID = E.MANAGER_ID;

CREATE TABLE myschema.tableNew AS ( SELECT * FROM myschema.tableOld ) WITHOUT DATA

CREATE TABLE myschema.tableNew AS ( SELECT * FROM myschema.tableOld WHERE column1 = 'myCriteria' ) WITH DATA

Detailed instructions on getting quartz.net set up or installed.

' How To Seek Past VBA's 2GB File Limit ' Source: https://support.microsoft.com/en-us/kb/189981 (Archived) ' This must be in a Class Module Option Explicit Public Enum W32F_Errors W32F_UNKNOWN_ERROR = 45600 W32F_FILE_ALREADY_OPEN W32F_PROBLEM_OPENING_FILE W32F_FILE_ALREAD...

Private Const HashTypeMD5 As String = "MD5" ' https://msdn.microsoft.com/en-us/library/system.security.cryptography.md5cryptoserviceprovider(v=vs.110).aspx Private Const HashTypeSHA1 As String = "SHA1" ' https://msdn.microsoft.com/en-us/library/system.security.cryptography.sha1c...

Another variation from the code above gives you more performance when you want to get hash codes of all files from a root folder including all sub folders. Example of Worksheet: Code Option Explicit Private Const HashTypeMD5 As String = "MD5" ' https://msdn.microsoft.com/en-us/libr...

We can create Singleton class in such a way that developers are forced to used the shared instance (singleton object) instead of creating their own instances. @implementation MySingletonClass + (instancetype)sharedInstance { static MySingletonClass *_sharedInstance = nil; static dispa...

Let's say we have the following 4 by 4 grid: Let's assume that this is a maze. There are no walls/obstacles, though. We only have a starting point (the green square), and an ending point (the red square). Let's also assume that in order to get from green to red, we cannot move diagonally. So, s...

Steps: clone the gradle-script-kotlin project copy/paste from the cloned project to your project: build.gradle.kts gradlew gradlew.bat settings.gradle update the content of the build.gradle.kts based on your needs, you can use as inspiration the scripts in the project just clo...

In our example we will be creating a customized formatter for email addresses that will allow us to display obfuscated email addresses to fool those nasty spammers. The formatter will have a some configuration options that will allow us to control how the email address is obfuscated: Remove @ an...

A single entry point to your application is possible with RequireJS by using the data-main attributed within the <script> tag. <script type="text/javascript" data-main="scripts/main" src="http://requirejs.org/docs/release/2.3.2/minified/require.js"></scr...

As of Ruby 2.4.0, you can start an interactive IRB session inside any Ruby script using these lines: require 'irb' binding.irb This will start an IBR REPL where you will have the expected value for self and you will be able to access all local variables and instance variables that are in scope....

Detailed instructions on getting corona set up or installed.