Tutorial by Examples: i

IF lv_foo = 3. WRITE: / 'lv_foo is 3'. ELSEIF lv_foo = 5. WRITE: / 'lv_foo is 5'. ELSE. WRITE: / 'lv_foo is neither 3 nor 5'. ENDIF.

When run with no arguments, this program starts a TCP socket server that listens for connections to 127.0.0.1 on port 5000. The server handles each connection in a separate thread. When run with the -c argument, this program connects to the server, reads the client list, and prints it out. The clie...

Find f(n): nth Fibonacci number. The problem is quite easy when n is relatively small. We can use simple recursion, f(n) = f(n-1) + f(n-2), or we can use dynamic programming approach to avoid the calculation of same function over and over again. But what will you do if the problem says, Given 0 <...

Sometimes we want to use a where query on a a collection of records returned which is not ActiveRecord::Relation.Hence we get the above error as Where clause is know to ActiveRecord and not to Array. There is a precise solution for this by using Joins. EXAMPLE:- Suppose i need to find all user ...

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...

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. ...

Core Plot provides a podspec, so you can use cocoapods as your library manager which should make installing and updating much simpler Install cocoapods on your system In the project directory add a text file to your project called Podfile by typing pod init in your project directory In the Podfil...

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 -...