Tutorial by Examples: el

"Hello World!" on window title with compatibility

Using java.lang.Runnable we make our "Hello World!" example available to Java users with versions dating all the way back to the 1.2 release: import javax.swing.JFrame; import javax.swing.SwingUtilities; import javax.swing.WindowConstants; public class Main { public static void ...

swing • Getting started with swing

8. Do While Loop

Dim x, cars x = 0 cars = Split(CreateObject("Scripting.FileSystemObject").OpenTextFile("C:\testenv\example.txt", 1).ReadAll, vbcrlf) Do While x < ubound(cars) If cars(x) = "Audi" Then Exit Loop x = x + 1 Loop

vbscript • Arrays and Loops

Overview of Apache JMeter components at high level

Apache JMeter segregated all the components into following groups based on their functionality: Test Plan: Starting point for scripting. JMeter saves the Test Plan in .jmx format. You add components to the Test Plan by Right Click on the Test Pand and navigating to the component you want to add. ...

Apache JMeter • Getting started with Apache JMeter

Check if field exists

<?php if( get_field('text_field') ): ?> <?php the_field('text_field'); ?> <?php endif; ?> Here we use get_field() to determine if a value exists, and the_field() to echo it.

advanced-custom-fields • the_field()

Updating the elements in the JSON

sample json to update { "student":{"name":"Rahul", "lastname":"sharma"}, "marks":{"maths":"88"} } To update the elements value in the json we need to assign the value and update. try { // Create a new in...

Android • JSON in Android with org.json

Hello World

<canvas id="c" width="400" height="400"></canvas> var canvas = new fabric.Canvas("c"); var text = new fabric.Textbox('Hello world From Fabric JS', { width:250, cursorColor :"blue", top:10, ...

fabricjs • Getting started with fabricjs

Sanitize get_field() output

It's a good idea to sanitize get_field() output, especially when using Advanced Custom Fields fields front end (with acf_form()). Otherwise your site is likely vulnerable to cross-site scripting attacks (XSS). The following function lets you use echo get_field_escaped('my_custom_field', $post_id, ...

advanced-custom-fields • get_field()

Changing delimiter

You can change the "$" delimiter to any other. The following example: from string import Template class MyOtherTemplate(Template): delimiter = "#" data = dict(id = 1, name = "Ricardo") t = MyOtherTemplate("My name is #name and I have the id: #id&quot...

Python Language • Templates in python

Hello World (getting site title)

2013 SharePoint 2013 and newer versions are 64-bit only and so the assembly/program needs to be also built for 64-bit processor. Right after your project is created it is necessary to swich the Platform target from Any CPU to x64 otherwise error will occure. using System; using Microsoft.Share...

sharepoint • Working with Managed Server Side Object Model (full-trust)

Removing closely correlated features

Closely correlated features may add variance to your model, and removing one of a correlated pair might help reduce that. There are lots of ways to detect correlation. Here's one: library(purrr) # in order to use keep() # select correlatable vars toCorrelate<-mtcars %>% keep(is.numeric) ...

R Language • Feature Selection in R -- Removing Extraneous Features

Merging selections

The update pattern in D3 version 3 A correct understanding of how the “enter”, “update” and “exit” selections work is fundamental for properly changing the dataviz using D3. Since D3 version 3 (actually, since version 2), this snippet could set the transitions for both “enter” and “update” selecti...

d3.js • update pattern

Hello World

<!DOCTYPE HTML> <html> <head> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <meta http-equiv='Content-Type' content='text/html;charset=UTF-8'/> <script type="text/javascript" charset="utf-8" src="c...

sapui5 • Getting started with sapui5

Check for NULL or Empty fields - shortcut

To get a shorter version of the Null or Empty check, use an "= Nothing" comparison. Iif(Fields!UserEmail.Value = Nothing, "Null or Empty", "Not Null or Empty") The "= Nothing" will check simultaneously against Null or Empty, giving a more compact expressio...

reporting-services • Check for NULL or Blank

A somewhat simpler function that can be used in one line

Public Function TableExists(value as String) as Boolean On Error Resume Next TableExists = Len(CurrentDb.Tabledefs(value).Name & "") > 0 End Function

access-vba • Check if Table Exists in Current DB

Terms with named fields using library(record)

The [record][1] library provides the ability to create compound terms with named fields. The directive :- record/1 <spec> compiles to a collection of predicates that initialize, set and get fields in the term defined by <spec>. For example, we can define a point data structure with nam...

Prolog Language • Data Structures

Haskell Implementation

insertSort :: Ord a => [a] -> [a] insertSort [] = [] insertSort (x:xs) = insert x (insertSort xs) insert :: Ord a => a-> [a] -> [a] insert n [] = [n] insert n (x:xs) | n <= x = (n:x:xs) | otherwise = x:insert n xs

algorithm • Insertion Sort

Haskell Implementation

quickSort :: Ord a => [a] -> [a] quickSort [] = [] quickSort (x:xs) = quickSort [ y | y <- xs, y <= x ] ++ [x] ++ quickSort [ z | z <- xs, z > x ]

algorithm • Quicksort

Parallel processing

crawled_site = ["http://www.google.com", "http://www.stackoverflow.com"] |> Enum.map(fn site -> Task.async(fn -> crawl(site) end) end) |> Enum.map(&Task.await/1)

Elixir Language • Task

Change locale of android application programatically

In above examples you understand how to localize resources of application. Following example explain how to change the application locale within application, not from device. In order to change Application locale only, you can use below locale util. import android.app.Application; import android.c...

Android • Localization with resources in Android

making while loop

As of theano 0.9, while loops can be done via theano.scan_module.scan_utils.until. To use, you should return until object in fn of scan. In the following example, we build a function that checks whether a complex number is inside Mandelbrot set. A complex number z_0 is inside mandelbrot set if ser...

theano • Loops with theano