Tutorial by Examples: r

SourceCookifier parses the current source code for such components as class, function, and variable names and displays them in a tree view at a side panel. Navigation among these members is possible by double-clicking on the component name. The plugin supports a number of languages and customization...

#Persistent Menu, Tray, NoStandard ; remove default tray menu entries Menu, Tray, Add, MyDefaultAction, OnDefaultTrayAction ; add a new tray menu entry Menu, Tray, Add, Exit, Exit ; add another tray menu entry Menu, Tray, Default, MyDefaultAction ;When doubleclicking the tray icon, run the tra...

I'll demonstrate the basic usage of using functions vs using labels+gosub. In this example we'll implement simple functionality to add two numbers and store them in a variable. With functions: c := Add(3, 2) ; function call MsgBox, Result: %c% Add(a, b) { ; This is a function. Put it wherever...

The following code is taken from he official AutoHotkey documentation: Function implementation: #Persistent OnClipboardChange("ClipChanged") return ClipChanged(Type) { ToolTip Clipboard data type: %Type% Sleep 1000 ToolTip ; Turn off the tip. } Label implementati...

This script demonstrates how to receive complicated GUI events from different controls in the same event callback function. We'll be using two ListView controls for that. Now every time an action is detected on one of those ListView controls, we want a precise description of what happened and have ...

Some character may be reserved for HTML and cannot be used directly as it may obstruct the actual HTML codes. For example, trying to display the left and right angle brackets (<>) in the source code may cause unexpected results in the output. Similarly, white spaces as written in the source co...

Some people recommend that you should apply various tests to a file before attempting to open it either to provide better diagnostics or avoid dealing with exceptions. For example, this method attempts to check if path corresponds to a readable file: public static File getValidatedFile(String path...

It is possible that the client browser does not support Javascript or have Javascript execution disabled, perhaps due to security reasons. To be able to tell users that a script is supposed to execute in the page, the <noscript> tag can be used. The content of <noscript> is displayed whe...

Detailed instructions on getting x++ set up or installed.

The term responsive web design was first coined by Ethan Marcotte in his famous article Responsive Web Design, published in 2010 in A List Apart. This Smashing Magazine article by Kayla Knight describes it as follows: Responsive Web design is the approach that suggests that design and developme...

Let's assume you have a file lyrics.txt which contains the following data: summer has come and passed the innocent can never last wake me up when september ends Read the entire file at a time By using file:read_file(File), you can read the entire file. It's an atomic operation: 1> file:re...

Write one line at a time Open a file with write mode and use io:format/2: 1> {ok, S} = file:open("fruit_count.txt", [write]). {ok,<0.57.0>} 2> io:format(S, "~s~n", ["Mango 5"]). ok 3> io:format(S, "~s~n", ["Olive 12"]). ok 4&gt...

This is a very simple program to create a PDF using iText 7 / Java: //Initialize writer PdfWriter writer = new PdfWriter(dest); //Initialize document PdfDocument pdfDoc = new PdfDocument(writer); Document doc = new Document(pdfDoc); //Add paragraph to the document doc.add(new Paragraph(&q...

Only Oracle JDKs and JREs are available for Windows platforms. The installation procedure is straight-forward: Visit the Oracle Java Downloads page: Click on either the JDK button, the JRE button or the Server JRE button. Note that to develop using Java you need JDK. To know the difference betw...

<?xml version="1.0" encoding="utf-8"?> <s:WindowedApplication xmlns:fx="http://ns.adobe.com/mxml/2009" xmlns:s="library://ns.adobe.com/flex/spark" xmlns:mx="library://ns.adobe.com/flex/mx"&g...

Sometimes you may need to convert a Set to an array, for example to be able to use Array.prototype methods like .filter(). In order to do so, use Array.from() or destructuring-assignment: var mySet = new Set([1, 2, 3, 4]); //use Array.from const myArray = Array.from(mySet); //use destructuring-a...

There are no build-in methods for intersection and difference in Sets, but you can still achieve that but converting them to arrays, filtering, and converting back to Sets: var set1 = new Set([1, 2, 3, 4]), set2 = new Set([3, 4, 5, 6]); const intersection = new Set(Array.from(set1).filter(x...

You can use a simple for-of loop to iterate a Set: const mySet = new Set([1, 2, 3]); for (const value of mySet) { console.log(value); // logs 1, 2 and 3 } When iterating over a set, it will always return values in the order they were first added to the set. For example: const set = new S...

Suppose you have a pojo class Person public class Person { public String name; public Person(String name) { this.name = name; } } And you want to parse it into a JSON array or a map of Person objects. Due to type erasure you cannot construct classes of List<Person&g...

If we have a file called Business.hs, we can define a Business module that can be import-ed, like so: module Business ( Person (..), -- ^ Export the Person type and all its constructors and field names employees -- ^ Export the employees function ) where -- begin types, function defin...