Tutorial by Examples: p

The predicate setup_call_cleanup/3, which is currently being considered for inclusion in the Prolog ISO standard and provided by an increasing number of implementations, lets us ensure that resources are correctly freed after an exception is thrown. A typical invocation is: setup_call_cleanup(open...

A type error occurs if an argument is not of the expected type. Examples of types are: integer atom list. If the predicate is of the expected type, but outside the expected domain, then a domain error is raised. For example, a domain error is admissible if an integer between 0 and 15 is exp...

Detailed instructions on getting raphael set up or installed.

gem 'any gem',git: 'any repo',branch: 'specific branch of that repo',ref: 'reference no.' ref specifies individual commit. branch specifies the git branch to pull from.

If you have create .Net class that represents some user-defined type, compiled it into .dll, and imported it into SQL server as an assembly, you can create user-defined function that references this class: CREATE TYPE dbo.Point EXTERNAL NAME MyLibrary.[Name.Space.Point] You need to specify name...

If you have created .Net method in some class, compiled it into .dll, and imported it into SQL server as an assembly, you can create user-defined stored procedure that references method in that assembly: CREATE PROCEDURE dbo.DoSomethng(@input nvarchar(max)) AS EXTERNAL NAME MyLibrary.[Name.Space....

Stereoscopy is a technique for creating or enhancing the illusion of depth in an image by stereopsis for binocular vision. Two individual displays are rendered and displayed individually to each of the user's eyes. The offset of an object is altered based on the intended depth displayed. This techn...

Given a text txt and a pattern pat, the objective of this program will be to print all the occurance of pat in txt. Examples: Input: txt[] = "THIS IS A TEST TEXT" pat[] = "TEST" output: Pattern found at index 10 Input: txt[] = "AABAACAADAABAAABAA" ...

public void Screenshot() throws Throwable{ final byte[] screenshot = ((TakesScreenshot) driver).getScreenshotAs(OutputType.BYTES); scenario.embed(screenshot, "image/png"); // ... and embed it in the report. Thread.sleep(1000); } Alternately public static void captureSc...

It's not the best way of iterating through the pixels; however, it's better than cv::Mat::at<T>. Let's assume you have a color image in your folder and you want to iterate each pixels of this image and erase green and red channels(Note that this is an example, you can do this in more optimize...

Frontend Interface /** * Entity attribute frontend interface * * Frontend is providing the user interface for the attribute * */ interface Mage_Eav_Model_Entity_Attribute_Frontend_Interface { } Source Interface /** * Entity attribute select source interface * * Source is providing ...

In this example we have a file called file.js. Let's assume that you have to parse an URL using JavaScript and NodeJS querystring module. To accomplish this all you have to do is to insert the following statement in your file: const querystring = require('querystring'); var ref = querystring.pa...

For Visual Studio [NuGet]: The easiest way of installing PhantomJS is by using a NuGet Package Manager. In your project, right click "References", and click on "Manage NuGet Packages" as shown: Then, type "PhantomJS" to the search bar, select it and install it as s...

The RxLifecycle library makes it easier binding observable subscriptions to Android activities and fragment lifecycle. Keep in mind that forgetting to unsubscribe an Observable can cause memory leaks and keeping your activity / fragment alive event after it has been destroyed by the system. Add th...

var page = require('webpage').create(); page.open('http://www.google.com', function(status) { console.log("Status: " + status); var title = page.evaluate(function() { return document.title; }); console.log("Loaded page: " + title); phantom.exit(); });

CREATE PROCEDURE SprocWithSimpleLoop ( @SayThis VARCHAR(30), @ThisManyTimes INT ) AS BEGIN WHILE @ThisManyTimes > 0 BEGIN PRINT @SayThis; SET @ThisManyTimes = @ThisManyTimes - 1; END RETURN; END GO

This example shows how to validate forms in Spring MVC using Bean Validation API using Java Annotations, without any xml. User will be proposed to input their registration data and validator will check it for validity. Add Dependencies First of all add the following dependencies in your project: ...

Set this attribute in your manifest's or element to enable or disable multi-window display: android:resizeableActivity=["true" | "false"] If this attribute is set to true, the activity can be launched in split-screen and freeform modes. If the attribute is set to false, the...

While launching an application firstly main thread is executed. This Main thread handles all the UI concept of application. If we want to run long the task in which we don't need the UI then we use thread for running that task in background. Here is the example of Thread which describes blow: new ...

Format and Usage: echo %cd% %cd% is a system variable that contains the current directory path