Imran Nazar

One common problem in data visualisation is the representation of two sets of data, which have a common subset of elements: a percentage of their contents which are present in both.

Out here, you can draw a square a hundred miles on a side, and find no-one living inside.

When approbation was finally given for the project, Ryan was immediately ready to put together the prototype.

The representation of dates is something that goes back many thousands of years: each tradition and religion has its own way of representing and calculating the calendar, and there is seldom an easy way to move between the calendars.

As any user of IRC will tell you, the ignore command is a gift from the Gods: it allows you to ignore any output being generated by a particular person or nickname, whether it's plain noise or something downright malicious.

One of the problems most often cited with a Captcha-based submission verification system is the lack of accessible options; a plain-text alternative can't be provided, for the simple reason that it gives an easy route to circumvent the Captcha and thus de…

UPDATE: Nov 2021 Petter Källström emailed me, saying that there are a couple of weirdnesses and inefficiencies in the implementation given at the bottom of this article, and provided alternative code as follows: Petter's more better implementation -- input

The following is a full opcode map of instructions for the Nintendo-spec modified Z80 included in the GameBoy CPU.

One of the most popular methods for a website to take payments for goods and services is through PayPal, the online payment service.

It had been a long time coming, but they were almost ready.

Talking to web interfaces with SOAP has been made very simple in PHP, thanks to the inclusion of a SOAP module in the standard PHP 5 build.

C You build a new leg.

Many sites introduce a dynamic element to their content by including a "slide-show" subsection: a list of items or pictures which can be scrolled through and viewed in portions, and which repeats to the first item when the last item is visible.

Ryan had been here before.

He found himself waking up in a field.

The most basic display elements on a HTML page are easy to understand: paragraphs, headings and tables.

Ever been in a situation where you need PDO-MySQL installed and running, but you don't have it?

The MPTT algorithm is, as the name states, a modification of pre-order tree traversal; each node of the tree has two extra values associated to it, to assist in the traversal of the tree.

The following program is in nasm format, and assembles to a DOS .com executable of 240 bytes.

Below is a table of countries, with their ISO and UN codes, assigned top-level Internet domains and timezone relative to UTC.

One of the most common uses of asynchronous JavaScript in web development is live page updates: loading new content for a portion of a page, without reloading the page in full.

Pointers are often used in lower-level languages, such as C, as an efficient way to access and perform operations on memory buffers.

When introducing version control into a web development environment, the process often happens gradually.

One of the first things that a newcomer to PHP learns is how to send a simple email: using the mail function to send a few paragraphs of text to an email address.

I sometimes wonder what it would take for a computer of 80s vintage to be a viable work terminal in today's world.

Many file formats contain data in a packed manner: a series of values which encode information, placed into the file one after another.

From time to time, I write an article for the Oopsilon web site.

I got to thinking recently, about the difference between the GIF and JPEG image formats: why is it that some images are larger on disk when saved as GIF, while others are larger as JPEG?

Sometimes, I take the liberty of looking through the log files of my server.

Many developers who come to PHP from the Visual Basic set of languages wish to take their experience of database interfacing with them.

I like my computers to be as quiet as possible: if a computer is emitting very little sound, that makes it easier to live with.

Update, Nov 2023: Cliff Biffle has put together a Thumb-2 opcode map for M-profile ARM cores (Google Sheet), which may be more relevant to modern interests than the ARMv4/5 opcode map; my map remains below for posterity.

Pause This page demonstrates an implementation of the classic game 'Tetris', in JavaScript.

I have my system partitioned into two: one part of the hard drive hosts a Windows XP partition, and the other runs Gentoo Linux.

The Trainf*ck project is an attempt to extend the capabilities of the esoteric Brainf*ck language to include viable outside interaction, including file operations and TCP networking.

OPEN: A display of a complex graphical shape, with numbers scrolling down one side.

Despite John's remonstrations, the bank of computer displays kept stolidly to its text: "13 minutes remaining."

It didn't look much like a laboratory.

The problem had always been one of efficiency: getting electrical power into the home while wasting as little of it as possible in the transfer.

The cold seeps through him as he sits on the sand, making a slow march from his back down through his legs, and upwards towards his head.

He never thought there would be so much blood.

We all know that a tree, like the one seen in Windows' File Explorer, is nothing more than a nested list.

Computers work with binary numbers.

Files stored in a computer are simply streams of numbers.

Have you ever wondered what exactly is inside a Nintendo DS ROM file, and why the simple DS demos are so much larger than their GBA equivalents?