Tutorial by Examples: d

Important: Be sure to set up the server-side implementation as per the instructions here, otherwise uploads will not work. To get started, create a new HTML document. Download the script as per the "Installation" example, and include it in your head tag like so (remebering to replace the ...

Consider the following Java classes: class Foo { private Bar bar; public void foo() { bar.baz(); } } As can be seen, the class Foo needs to call the method baz on an instance of another class Bar for its method foo to work successfully. Bar is said to be a dependency for Foo sin...

The same examples as shown above with XML configuration can be re-written with Java configuration as follows. Constructor injection @Configuration class AppConfig { @Bean public Bar bar() { return new Bar(); } @Bean public Foo foo() { return new Foo(bar()); } } Property in...

Dependencies can be autowired when using the component scan feature of the Spring framework. For autowiring to work, the following XML configuration must be made: <context:annotation-config/> <context:component-scan base-package="[base package]"/> where, base-package is th...

Constructor injection through Java configuration can also utilize autowiring, such as: @Configuration class AppConfig { @Bean public Bar bar() { return new Bar(); } @Bean public Foo foo(Bar bar) { return new Foo(bar); } }

Objective-C Import the following to your ViewController #import <CoreImage/CoreImage.h> #import <CoreImage/CoreImage.h> #import <QuartzCore/QuartzCore.h> Call the function [self faceDetector]; Function definition: -(void)faceDetector { // Load the picture for face...

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...

A simple AutoIt script showing some of the basic features of the language. Note that semicolons introduce comments Save this as "HelloWorld.au3" ; Include constants. In this case, for the MsgBox() function #include <MsgBoxConstants.au3> ; Define and initialize the title of a ...

Private Sub Get_Last_Used_Row_Index() Dim wS As Worksheet Set wS = ThisWorkbook.Sheets("Sheet1") Debug.Print LastRow_1(wS) Debug.Print LastRow_0(wS) End Sub You can choose between 2 options, regarding if you want to know if there is no data in the worksheet :...

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...

POST https://analyticsreporting.googleapis.com/v4/reports:batchGet?access_token={Access token from auth request} { "reportRequests":[ { "viewId":"XXXX", "dateRanges":[ { "startDate":"2015-06-15", &q...

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...

Processing provides method rect() to draw a rectangle. This code draws a white 50 X 50 rectangle on black background. void setup() { size(500, 500); background(0); fill(255); noStroke(); } void draw() { rect(225, 225, 50, 50); } The signature of method rect() is thi...

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

Instances have a lot of metadata that gets returned from a call to describe-instances, but often times you just want to see the basics. You can use a JMESPath query combined with table output to show concise instance information in an easily readable way. aws ec2 describe-instances --output table -...

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...

In this example, we will look at a method for returning the last non-empty column in a row. This method will work regardless of empty regions within the data set. However caution should be used if merged cells are involved, as the End method will be "stopped" against a merged region, ret...