Tutorial by Examples: in

Allocating on the heap

A new memory block on the heap is allocated using the new expression, which returns a pointer to the managed memory: void main() { int* a = new int; *a = 42; // dereferencing import std.stdio : writeln; writeln("a: ", *a); }

D Language • Memory & Pointers

Processing $_POST request data

add_action('init', 'process_post_data'); function process_post_data() { if( isset( $_POST ) ) { // process $_POST data here } }

WordPress • init

Processing $_GET request data

add_action('init', 'process_get_data'); function process_get_data() { if( isset( $_GET ) ) { // process $_GET data here } }

WordPress • init

Registering a custom post type

add_action( 'init', function() { register_post_type( 'event', array( 'public' => true, 'label' => 'Events' ); ); }); Registers a new custom post type with a label Events and a slug event

WordPress • init

Hello World in Python

An example how to run stripe out of the box with wsgi from a single file. At first, please install the python stripe API, i.e. with pip: pip install --user stripe Create payment.py which creates a WSGI webserver at port 8000 out of the box html = """ <html> <body> ...

stripe-payments • Getting started with stripe-payments

Getting Guice injections on JAX-RS resources

You will need the guice-bridge in your project. @ApplicationPath("api") public class ApiRest extends ResourceConfig { @Inject public ApiRest(ServiceLocator serviceLocator, ServletContext servletContext) { packages("net.sargue.app.api"); GuiceBrid...

guice • Using Guice with Jersey 2 (JAX-RS RI)

Getting a static image, detecting items on it, and outputting the results.

Please note that this example uses OpenCV 3.1. import org.opencv.core.Mat; import org.opencv.core.MatOfRect; import org.opencv.core.Point; import org.opencv.core.Rect; import org.opencv.core.Scalar; import org.opencv.imgcodecs.Imgcodecs; import org.opencv.imgproc.Imgproc; import org.opencv.o...

opencv • Using Cascade Classifiers In Java

Detecting images from a video device

This example introduces the VideoCapture class, where we use it to take an image from a webcam and save it to an image. import org.opencv.core.Mat; import org.opencv.core.MatOfRect; import org.opencv.core.Point; import org.opencv.core.Rect; import org.opencv.core.Scalar; import org.opencv.imgc...

opencv • Using Cascade Classifiers In Java

Converting an Mat object to an BufferedImage object

This example by Daniel Baggio was taken directly from this StackExchange answer, but has been reposted for visibility. This class takes an Mat object and returns the BufferedImage object used by the javax.swing libraries. This can be used by a Graphics object to draw the image. private BufferedIma...

opencv • Using Cascade Classifiers In Java

Detections within Detections

This example uses Dice and the black spots on the dice (the pips) as our object. As the example is quite long, first explaining some key concepts is critical to understanding the example. Understanding the first example, "Getting a static image, detecting items on it, and outputting the result...

opencv • Using Cascade Classifiers In Java

Sample table for sapui5 with control and processing examples

//Create a layout var tableLayout = new sap.ui.commons.layout.MatrixLayout({ layoutFixed : false, columns : 2, width : "100%", height : "100%", widths : [ "20%","80%"] }).addStyleClass('dsAvailLayout'); sap.ui.table.Table.extend(...

sapui5 • sapui5 Table

Raw String Interpolation

You can use the raw interpolator if you want a String to be printed as is and without any escaping of literals. println(raw"Hello World In English And French\nEnglish:\tHello World\nFrench:\t\tBonjour Le Monde") With the use of the raw interpolator, you should see the following printed in the ...

Scala Language • String Interpolation

Learning Vimscript the Hard Way

A book explaining how Vimscript works, full of examples. It can be found on http://learnvimscriptthehardway.stevelosh.com/

vim • Vim Resources

Bundling a Cython program using pyinstaller

Start from a Cython program with a entrypoint: def do_stuff(): cdef int a,b,c a = 1 b = 2 c = 3 print("Hello World!") print([a,b,c]) input("Press Enter to continue.") Create a setup.py file in the same folder: from distutils.core import set...

cython • Cython bundling

Automating build (Windows)

For automation of the above procedure in Windows use a .bat of the similar contents: del "main.exe" python setup.py build_ext --inplace del "*.c" rmdir /s /q ".\build" pyinstaller --onefile "main.py" copy /y ".\dist\main.exe" ".\main.exe&q...

cython • Cython bundling

Adding Numpy to the bundle

To add Numpy to the bundle, modify the setup.py with include_dirs keyword and necessary import the numpy in the wrapper Python script to notify Pyinstaller. program.pyx: import numpy as np cimport numpy as np def do_stuff(): print("Hello World!") cdef int n n = 2 ...

cython • Cython bundling

ProcessDefinition

Represents the definition of a single approval process. Use this object to read the description of an approval process. The definition is read-only. We can not modify the record created in ProcessDefinition Object. But we can describe, query, search and retrieve the approval processes information. ...

Salesforce • Approval Process Objects

ProcessInstance

Represents an instance of a single, complete approval process. ProcessInstance record is created every time for particular object record which is submitted for approval. Its is also read-only object. We can describe, query and retrieve the approval processes Instance. ~ Query ~ SELECT CompletedDat...

Salesforce • Approval Process Objects

ProcessInstanceStep & ProcessInstanceWorkitem

Both objects ProcessInstanceStep & ProcessInstanceWorkItem are instances of process steps that are created for particular ProcessInstance. ProcessInstanceStep represents a step instance in an approval process (ProcessInstance) on which users has already acted and ProcessInstanceWorkItem represen...

Salesforce • Approval Process Objects

ProcessInstanceHistory*

The ProcessInstanceHistory is the object which is neither searchable nor queryable & this is the read-only object which shows all steps and pending approval requests associated with an approval process (ProcessInstance). But we can use this object to replicate the related list functionality of t...

Salesforce • Approval Process Objects