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What should setters return? (Examples with core Perl OOP)

In OOP (Object Oriented Programming), getter is the generic name for any method that will return the value of one of the attributes of the current instance. setter is the generic name of any method that will set the value of one of the attributes. It is clear that a getter needs to return the value of the attribute, but what should a setter return? There are a number of options.

Cinematic Color Grading (Movie Look Effect)

This video is a lot more than a tutorial on cinematic color grading in Photoshop. This tutorial is a comprehensive look at what color grading is, how it works, and how it can be applied in Photoshop. This video tutorial discusses color theory, color correction, and the various adjustment layers that can be used to apply the movie look effect in Photoshop.

How to Configure OpenVPN on Ubuntu 16.04

Continuing the series of VPN articles, we now install OpenVPN on Ubuntu 16.04 Server. OpenVPN is well know VPN software from company of the same name. It is is somewhat harder to configure than other VPN software, so we will concentrate on server side configuration, and making ovpn files in this article. This guide is designed to run as non-root user. If you are logged in as root, first we start with adding the non-root user.

How to configure the apps and items shown on the Start Menu

The Start Menu made a comeback in Windows 10 and, unlike in any previous Windows versions, it's resizable, you can pin or unpin almost anything on it, and you can even make it take the whole screen, just like in Windows 8.1. But these are not the only things you can customize on Windows 10's Start Menu. Today, we're going to show you how you can configure it even further, by adding or removing various elements like Recently added apps, Most used apps, Settings and so on.

Extracting Data with Excel’s RIGHT Formula

It returns the last character or characters in a text string, based on the number of characters you specify. =RIGHT(text, [num_chars])...

A few HTML tips

A while ago I wrote an article with some CSS tips, now it’s time to give some polish to our HTML! In this article I’ll share some tips and advice about HTML code. Some of this guidance will be best suited for beginners – how to properly build paragraphs, use headings, or improve forms, but we will also discuss SVG sprites for icons, a somewhat more advanced topic.

How to Delay Posts From Appearing in WordPress RSS Feed

How to Delay Posts From Appearing in WordPress RSS Feed Icon
Delaying posts in your RSS feed can save you from accidental publishing and beat content scrapers in SEO. In this article, we will show you how to delay post from appearing in WordPress RSS feed.

Avoid number conflicts with SQL Sequences

In SQL Server, there is a feature that can handle this quite easily, and it is called a sequence. It is available starting in SQL Server 2012. Like an autonumber, it can assure that a unique number will be given out each time, unless it recycles.

How to troubleshoot by tracing dependents and precedents

When your spreadsheet has formulas piled on top of formulas, tracking and repairing errors would be agony if it weren't for Excel's Precedents and Dependents: cells that are referred to by a formula in another cell, and cells that contain formulas that refer to other cells, respectively. The next time you need to find out how the formula in C100 affects the formula in E175, which impacts the results in cell G225, try this technique.

JavaScript Sorting Recipes

Elements often need to be sorted: think of an array of game scores that need to be arranged from high to low to determine player rank. Unfortunately, the standard JavaScript sort() method has some surprising limitations: it works well with common English words, but breaks down when faced with numbers, accented characters, or words in uppercase.

How To Use WebPageTest and its API

WebPageTest is an open source performance testing tool, maintained primarily by Google. It consists of one or multiple servers that act as web browsing robots, visiting websites and automatically collecting data about the experience in the form of a detailed performance report.

Builder design pattern in java with example program

Design patterns are solutions to software design problems. Design patterns classified into three types. Creational, Structural and behavioral design patterns. Creational patterns helps us to create objects in a manner suitable to the given situation.

Paging (Pagination) example in ASP.Net MVC

In this article I will explain with an example, how to implement Paging (Pagination) in ASP.Net MVC 5. Paging (Pagination) will be implemented using Entity Framework in ASP.Net MVC.

GridView (Grid) with Paging in ASP.Net MVC

In this article I will explain with an example, how to implement GridView (Grid) with Paging (Pagination) in ASP.Net MVC 5. Paging (Pagination) will be implemented using Entity Framework in ASP.Net MVC.

Working with the JavaScript Battery API

In this tutorial we’re going to show you how to use the JavaScript Battery API to improve the user experience for people in desperate need of a charger. We’ll look at the Battery API itself, as well as some techniques for getting the most out of every drop of the most precious of resources!

How to install and setup DRBD on CentOS

This tutorial explains how to install and setup DRBD for your server. Before I start, let me explain what actually DRBD represents and what it is used for. DRBD stands for Distributed Replicated Block Device, a software-based, shared-nothing, replicated storage solution for mirroring the content of block devices such as hard disks, partitions, logical volumes etc. The main purpose of DRBD is to provide an alternative solution to encounter scenarios of High Availability such as FailOver or Disaster Recovery.

How to create an abstract sparkling background

In this tutorial, I am going to show you how to use our sparkle brushes to create an abstract sparkling background in Illustrator. To begin, if you haven’t already, go ahead and purchase and download our Fairy Dust brushes for Illustrator.

8 Clever Tricks with CSS Functions

8 Clever Tricks with CSS Functions Icon
CSS is capable of much more than many web developers realise. The stylesheet language continues to get more and more powerful with every passing year, bringing functionality to the browser that otherwise would be fulfilled by JavaScript. In this article, we’ll take a look at eight clever tricks with CSS functions that do not require JavaScript at all.

Fix: Excel Formulas don’t update in Power Query tables

If you’re new to Power Query, chances are you’re more comfortable doing tricky mathematics using Excel formulas, rather that Power Query formulas. No shame there, but you’ve probably run into a situation where you set up the formulas, refresh your query and the Excel formulas don’t update in Power Query 's output table. I’ve worked with this issue for a long time, and it’s actually caused me to avoid using Excel formulas in tables generated via Power Query all together.

How Do You Create Subfolders in the Windows “Send To” Menu?

Being able to send files quickly and easily to their proper locations via the context menu can help streamline your work flow, but what do you do if you want to add custom subfolders to the mix? Today’s SuperUser Q&A post has the answers to help a reader send his files on their way.