Tutorial by Examples: u

Go through the steps: Add 'NSAppleMusicUsageDescription' to your Info.plist for the privacy authority. Make sure your music is available in your iPhone. It will not work in the simulator. iOS 10.0.1 import UIKit import AVFoundation import MediaPlayer class ViewController: UIViewControll...

public static Boolean ExportDB(String DATABASE_NAME , String packageName , String folderName){ //DATABASE_NAME including ".db" at the end like "mayApp.db" String DBName = DATABASE_NAME.substring(0, DATABASE_NAME.length() - 3); File data = Environment.getDataDir...

For Microfocus, it uses the "SleepEx" API. As an example; environment division. special-names. call-convention 74 is winAPI. : : 01 wSleep-time pic 9(8) comp-5. 01 wSleep-ok pic 9(8) comp-5. ...

Data Visualization is an art of presenting the data in a manner that even a non-analyst can understand it. A perfect blend of aesthetic elements like colors, dimensions, labels can create visual masterpieces, hence revealing surprising business insights which in turn helps businesses to make informe...

Although it might not be proper to do such thing in a view if you intend to separate concerns strictly, the php Blade directive allows a way to execute PHP code, for instance, to set a variable: @php($varName = 'Enter content ') (same as:) @php $varName = 'Enter content '; @endphp late...

Sometimes you need a piece of code to execute when the program stops, such as releasing system resources that you open. You can make a thread run when the program stops with the addShutdownHook method: Runtime.getRuntime().addShutdownHook(new Thread(() -> { ImportantStuff.someImportantIOStr...

You can do a multiline doctest by using '...>' for the lines following the first iex> Foo.Bar.somethingConditional("baz") ...> |> case do ...> {:ok, _} -> true ...> {:error, _} -> false ...> end true

There are several packages which can run Processing sketches in the Atom editor. These instructions use the Script package. There are also available packages for syntax highlighting and autocomplete, which are required for Script to identify Processing filetypes. Install the Script plugin. Either b...

Advanced functions behave the in the same way as cmdlets. The PowerShell ISE includes two skeletons of advanced functions. Access these via the menu, edit, code snippets, or by Ctrl+J. (As of PS 3.0, later versions may differ) Key things that advanced functions include are, built-in, customiz...

First of all, Merged Cells are there only to improve the look of your sheets. So it is literally the last thing that you should do, once your sheet and workbook are totally functional! Where is the data in a Merged Range? When you merge a Range, you'll only display one block. The data will be ...

class MyResourceAdapter implements javax.resource.spi.ResourceAdapter { public void start(BootstrapContext ctx){..} public void stop(){..} public void endpointActivation (MessageEndpoingFactory mf, ActivationSpec a){..} public void endpointDeactivation (MessageEndpoingFact...

For example: You are going to migrate an existing column from non-required to required. In this case you might need to fill some default values in your migration for rows where the altered fields are actually NULL. In case the default value is simple (e.g. "0") you might use a default or d...

import Foundation class CookiesSingleton { static let instance : CookiesSingleton = CookiesSingleton() static var enableDebug = true func loadCookies() { if let cookiesDetails = NSUserDefaults.standardUserDefaults().objectForKey("customeWebsite") { for (keys,_) i...

One easy algorithm to implement as a recursive function is factorial. ;;Compute the factorial for any n >= 0. Precondition: n >= 0, n is an integer. (defun factorial (n) (cond ((= n 0) 1) ;; Special case, 0! = 1 ((= n 1) 1) ;; Base case, 1! = 1 (t ...

ghci> :set -XOverloadedStrings ghci> import Data.Text as T isInfixOf :: Text -> Text -> Bool checks whether a Text is contained anywhere within another Text. ghci> "rum" `T.isInfixOf` "crumble" True isPrefixOf :: Text -> Text -> Bool checks whether a...

If you find these steps unfamiliar, consider starting here instead. Note these steps come from Stack Overflow Documentation. django-admin startproject myproject cd myproject python manage.py startapp myapp myproject/settings.py Install the app INSTALLED_APPS = [ 'django.contrib.admin', ...

Git config allows you to customize how git works. It is commonly used to set your name and email or favorite editor or how merges should be done. To see the current configuration. $ git config --list ... core.editor=vim credential.helper=osxkeychain ... To edit the config: $ git config &lt...

If you find managing QThreads and low-level primitives like mutexes or semaphores too complex, Qt Concurrent namespace is what you are looking for. It includes classes which allow more high-level thread management. Let's look at Concurrent Run. QtConcurrent::run() allows to run function in a new th...

Polymorphism is one of the basic concepts in OOP (Object Oriented Programming). Main idea of the polymorphism is that an object have the ability to take on different forms. To achieve that (polymorphism), we have two main approaches. Method overloading Occures when there are two or more meth...

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...