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CREATE (beginning_node)-[:edge_name{Attribute:1, Attribute:'two'}]->(ending_node)
HTML and Form Builder is not a core component since Laravel 5, so we need to install it separately: composer require laravelcollective/html "~5.0" Finally in config/app.php we need to register the service provider, and the facades aliases like this: 'providers' => [ // ... ...
01. Underline Text :- Single/Double Line , Strike Through :- Single/Double Line Step 1 Select the Label and change the label type Plain to Attributed Step 2 Click the label text and Right click Step 3 Then click Font -> Show Fonts Step 4 Then font view will show up and click under...
// Get the current colors of the gradient. let oldColors = self.gradientLayer.colors // Define the new colors for the gradient. let newColors = [UIColor.red.cgColor, UIColor.yellow.cgColor] // Set the new colors of the gradient. self.gradientLayer.colors = newColors // Initia...
Web applications often require static files like CSS or JavaScript files. To use static files in a Flask application, create a folder called static in your package or next to your module and it will be available at /static on the application. An example project structure for using templates is as f...
XE2 program CrossPlatformHelloWorld; uses FMX.Dialogs; {$R *.res} begin ShowMessage('Hello world!'); end. Most of the Delphi supported platforms (Win32/Win64/OSX32/Android32/iOS32/iOS64) also support a console so the WriteLn example fits them well. For the platforms that require...
Microsoft Access is an Application Generator for developing databases and data-driven applications, primarily for local use. Microsoft Access consists of two main elements: A Relational Database Management System (RDBMS) that combines the Microsoft Jet Database Engine (Access 2003 and earler) or ...
Related to Monads are F# computation expressions (CE). A programmer typically implements a CE to provide an alternative approach to chaining Monads, ie instead of this: let v = m >>= fun x -> n >>= fun y -> return_ (x, y) You can write this: let v = ce { let! x = m ...
Most programming languages, including F#, evaluate computations immediately in accord with a model called Strict Evaluation. However, in Lazy Evaluation, computations are not evaluated until they are needed. F# allows us to use lazy evaluation through both the lazy keyword and sequences. // define ...
F#, like most programming languages, uses Strict Evaluation by default. In Strict Evaluation, computations are executed immediately. In contrast, Lazy Evaluation, defers execution of computations until their results are needed. Moreover, the results of a computation under Lazy Evaluation are cached,...
Sometimes it is desirable to evaluate a nullable expression in an if-else fashion. The elvis operator, ?:, can be used in Kotlin for such a situation. For instance: val value: String = data?.first() ?: "Nothing here." The expression above returns "Nothing here" if data?.firs...
setDate sets the date in a DateTime object. $date = new DateTime(); $date->setDate(2016, 7, 25); this example sets the date to be the twenty-fifth of July, 2015, it will produce the following result: 2016-07-25 17:52:15.819442
The ]]> character sequence is not allowed in element content. The easiest way to escape it is to escape > as >. <?xml version="1.0"?> <document> The sequence ]]> cannot appear in element content. </document>
Longer portions of text containing special characters can be escaped with a CDATA section. CDATA sections can only appear in element content. <?xml version="1.0"?> <document> This is a CDATA section : <![CDATA[ plenty of special characters like & < > " ; ...
Type abbreviations allow you to create aliases on existing types to give them a more meaningful senses. // Name is an alias for a string type Name = string // PhoneNumber is an alias for a string type PhoneNumber = string Then you can use the alias just as any other type: // Create a recor...
Detailed instructions on getting xquery set up or installed.
In real world, connection and server delays could occur, to simulate delays in development environment Meteor._sleepForMs(ms); could be used Meteor.publish('USER_DATA', function() { Meteor._sleepForMs(3000); // Simulate 3 seconds delay return Meteor.users.find({}); });
select '123' * 2; To make the multiplication with 2 MySQL automatically converts the string 123 into a number. Return value: 246 The conversion to a number starts from left to right. If the conversion is not possible the result is 0 select '123ABC' * 2 Return value: 246 select 'A...
What's an image sprite? An image sprite is a single asset located within an image sprite sheet. An image sprite sheet is an image file that contains more than one asset that can be extracted from it. For example: The image above is an image sprite sheet, and each one of those stars is a sprite...
For...Next Using the iterator variable as the index number is the fastest way to iterate the elements of an array: Dim items As Variant items = Array(0, 1, 2, 3) Dim index As Integer For index = LBound(items) To UBound(items) 'assumes value can be implicitly converted to a String: D...

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