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Programming

Programming

This is where you'll find hacks, minor bits of coding, and arcane Unix spells that don't merit the term ‘project’. The vast majority are useless, obsolete, or well-known. A lot of them have the form of recipes to solve particular problems. The problems themselves are probably obsolete!

Discs

Incremental MySQL Maintenance Script

You run a medium-to-large size MySQL server with lots of databases, possibly for hosted websites. You want to optimise your databases, but they are quite big. This script is for you: it maintains and optimises MySQL databases incrementally over the course of every week.

Pascal's Triangle in LaTeX

You need to display Pascal's Triangle in a LaTeX document but whenever you hear ‘ampersand’ or ‘smallskip’, you go into a homicidal rage, leaving behind you a trail of viscera and blood-stained Lion Book pages. Also, you're lazy. Put that chainsaw down, this recipe is for you.

Soup!

Soup! is a Befunge quine (well, nearly) with a twist: it uses its source code as a pattern with which to generate ASCII art. This makes it massively obfuscated to encode the shape of its output. The actual program is smallish, really.

Pascal's Triangle in Python

You need to generate Pascal's Triangle in Python, and you're lazy (an admirable trait). Alternatively, you're looking for a Pascal's Triangle generator that can show really high-ranking rows, ones with multi-hundred-digit (or multi-million-digit) coefficients.

Moon Phase Calculator in S2

My custom DeadJournal and LiveJournal themes have always included the phase of the Moon for every post. So I've had to write a homebrew Moon phase calculator for LiveJournal (and friends) sites a while. This is a hack in the Livejournal templating language, S2, to calculate the phase of the moon and display an appropriate icon.

USBTouchScreen Patch

This is a patch adding some extra functionality to the Linux USB touchscreen driver. It adds features useful in developing and testing applications on touch-screens, as well as the ability to reverse the x and/or y axes — not every tablet out there defines its axes the same way.

DLT Barcode Labels

A while ago we bought a tape library with a barcode reader for work. Unfortunately, the preprinted labels that came with the drive weren't very good. We looked into getting custom-made replacement ones, but they were so expensive we wondered if they were made of platinum. So I set out to make a Postscript program to produce our own labels. This is the result.

Detecting ‘Idle’ and ‘Away’ Timeouts in Javascript

A short Javascript program to improve detection of users idling or away from their keyboards, which should in turn improve how onlineusers are detected. The file works with both jQuery and Prototype. It autodetects which is available at load time.

Amanda DLT Tape Label

This is a heavily modified version of the DLT tape label template shipped with Amanda, that includes various improvements for æsthetics and usability.

GIMP Scripts

Some old GIMP Script-Fu scripts to ease common photo processing tasks on the GIMP. The scripts are Duotone, Photo Frame and Full Frame. If you're still using the GIMP for photo editing work, they may help you.

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Unless otherwise stated, all content on this page is Copyright © 1994–2021 Alexios Chouchoulas. All rights are reserved. Trademarks and copyrights belonging to third parties mentioned above are all acknowledged. Any opinions inadvertently expressed are mine! All mine! Mwahahahahaha!

Some graphics courtesy of Subtle Patterns © Atle Mo (CC BY-SA 3.0).

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