All articles, alphabetical order

  1. “Solutions”
  2. 1, 6, 21, 107, … ?
  3. 2147483647
  4. 24 Puzzles
  5. 8 Queens Puzzle
  6. 8 Queens Puzzle++
  7. A language people use and bitch about
  8. A Little Teaser. Keen Eyes? You’ll See! Follow the clues to reveal the hidden message.
  9. A Mini-Project to Decode a Mini-Language
  10. A Python syntax highlighter
  11. A race within a race
  12. A Subversion Pre-Commit Hook. How to install and test a simple Subversion pre-commit hook script.
  13. A tale of two upgrades
  14. A useful octal escape sequence
  15. A world without version control
  16. A yen for more symbols
  17. Accidental Emacs. A list of Emacs modes and tricks I use all the time but discovered by accident.
  18. ACCU 2013
  19. ACCU Bristol and Bath
  20. ACCU Conference 2008. A preview of ACCU 2008.
  21. Advent of Code
  22. Advent of Code 2017
  23. Agile at a distance 👍
  24. Aligning the first line of a triple-quoted string in Python
  25. An Exploration of the Phenomenology of Software Development
  26. An ideal working environment
  27. Angle brackets hurt my eyes
  28. Animated pair streams. Another look at the functional programming problem of generating an infinite sequence of pairs. An example of using the Python Imaging Library to generate an animated GIF.
  29. Anti-Social Build Orders. An article advocating zero-tolerance for anti-social build offences.
  30. Are List Comprehensions the Wrong Way Round?
  31. Attack of the Alien Asterisks. Unusual font rendering on Windows
  32. Awesome presentations
  33. Beware the March of IDEs!
  34. Big City Skyline Puzzle. Comments on a novel computer science puzzle. When machine resources are scarce, a compiled language offers precise control.
  35. BIG G little g - What begins with G? Capitalisation: Google or google?
  36. Bike charts by Google. Using the google chart API for something ... different
  38. Binary Literals
  39. Binary search gets a sort key
  40. Binary search returns … ?
  41. Binary search revisited
  42. Blackmail made easy using Python counters. A programming puzzle and a discussion of Python's evolution.
  43. Books, blogs, comments and code samples
  44. Brackets Off! Thoughts on operator precedence.
  45. Browsing Python Documentation using the Python Sidebar
  46. Bugwards Compatible
  47. Built in Type Safety?
  48. C++ Concurrency in Action. A glowing review of Anthony Williams' book on C++11's support for concurrency
  49. Casualties in the great computer shootout. An investigation into various dimensions of some speed benchmark programs.
  50. Charming Python
  51. Clown, Flee, Jump
  52. Code completion for dynamic languages
  53. Code Craft
  54. Code in Comments. Don't comment out dead code, delete it!
  55. Code Reviews - the rules
  56. Code Rot. What happens when we stop tending to our code? It decays. This article investigates why.
  57. Collaborative documentation tools
  58. Python was named after a comedy troupe. This note discusses what makes a good name for a computer language.
  59. Complacency in the computer industry
  60. Complex numbers for planar geometry
  61. Computer Language Complexity
  62. Computer World
  63. Converting integer literals in C++ and Python
  64. Copy, load, redirect and tee using C++ streambufs. The C++ iostream library separates formatting from lower level read/write operations. This article shows how to use C++ stream buffers to copy, load, redirect and tee streams.
  65. Could a Python eat an elephant?
  66. Could OCR conquer the calligraphylion? A note on the challenge which Arabic script sets for optical character recognition engines.
  67. Creating a dict of lists in Python
  68. Creating a Temporary Subversion Repository
  69. Cryptic Message
  70. Curling for web sites. A script using curl and bash to detect when a website status changes.
  71. DDD Wales, 2018
  72. Define pedantic
  73. DEFLATE: run-length encoding, but better. An investigation into the extended run-length encoder at the heart of the Zlib compression library.
  74. Desktop preferences
  75. Different Angles on Legacy Code
  76. Distorted Software. What does software look like? This article suggests that architecture diagrams get the emphasis wrong.
  77. Dr G’s Award Winning Puzzles
  78. Drawing Chess Positions. A follow-up article on scripting graphics.
  79. Drawing Chessboards. An article about creating graphics programmatically.
  80. Drawing Software Designs
  81. Driving down the road of innovation
  82. Easy as Py
  83. Election Manifesto - a timely activity for agile retrospectives
  84. Elegance and Efficiency. Must elegant code be efficient? This article investigates.
  85. Emoticrab invasion, CSS breakdown. CSS positioning doesn't always work in a Feed reader.
  86. Entertaining Documentation
  87. Equality and Equivalence
  88. Erlang Erlang. A parallel processing problem.
  89. Essential Python Reading List. An essential Python reading list. I've ordered the items so you can pause or stop reading at any point: at every stage you'll have learned about as much possible about Python for the effort you've put in.
  90. Eurovision 2008 charts
  91. Ever wish you’d branched first? A short article describing how to branch a Subversion working copy based on the development trunk.
  92. Evolving Python in and for the real world
  93. Favicon. Why my favicon is a jigsaw piece.
  94. Fearless Debugging
  95. Feeding an internet addiction
  96. File shifting using lftp and rsync. Sometimes it's easier to shift files using the command line, rather than a GUI.
  97. Find the average of a collection of tuples or dicts using Python
  98. Fixed Wheels and Simple Designs
  99. Fixing Compiler Warnings the Hard Way. Listen when your compiler grumbles, but sometimes you should ignore its suggestions.
  100. Fixing header file dependencies. A simple script to check header files are self contained
  101. fold left, right
  102. Folded files and rainbow code
  103. Follow me follow me
  104. Friday Puzzles
  105. From __future__ import braces
  106. From bytes to strings in Python and back again
  107. From CVS to Subversion
  108. From Hash Key to Haskell. A note on keys, characters, smileys, digraphs and Haskell.
  109. Fun with Erlang, ACCU 2008
  110. Functional Programming “Aha!” Moments
  111. Generating solutions to the 8 Queens Puzzle
  112. Generic documentation
  113. Getting started with Typo
  114. Go for short variable names
  115. Go! Steady. Ready?
  116. Gofmt knows best
  117. Good maths, bad computers
  118. Google Mail holiday auto-responder
  119. Google Reader
  120. Group When
  121. Happy Mac
  122. He Sells Shell Scripts to Intersect Sets. The Unix command shell contains a lot of what I like in a programming environment: it’s dynamic, high-level, interpreted, flexible, succinct. This article shows the Unix tools in action.
  123. Hiding iterator boilerplate behind a Boost facade
  124. High altitude programming
  125. Hong Kong Supplementary Character Set
  126. Hosting for Life? TextDrive revived!
  127. How green you are
  128. How many restarts?
  129. How to Mirror a Subversion Repository
  130. Hunting down globals with nm
  131. iBlame Exchange
  132. Ignoring .svn directories
  133. Ima Lumberjack, (s)he’s OK. Gender-neutral technical writing using fictional names.
  134. In, on and out of boxes
  135. Inner, Outer, Shake it all abouter. Encapsulation is about allocating responsibility and easing utility rather than protecting data.
  136. Internal Subversion Externals
  137. Introducing Java
  138. Joined Output and the Fencepost Problem. Items and the spaces between them: some notes on the fencepost problem and joining up strings.
  139. Jokey Code?
  140. Keyword Substitution - Just say No!
  141. Knuth visited, Brains Limited
  142. Koenig’s first rule of debugging. The problems caused by the C++ compilation model, dependencies and cryptic compile diagnostics. If an expert like Andrew Koenig can’t get it right, what hope for the rest of us?
  143. Launching missiles and other unhappy accidents. Launching a missile is an example of a dangerous programming side-effect. Bus accidents are used to motivate team-work.
  144. Lazy sequences working hard
  145. Lenient Browsers and Wobbly Tables
  146. Lessons from the OuLiPo. All about a talk I'll be giving at ACCU 2015
  147. Lexical Dispatch in Python. Dispatching to functions based on their names
  148. Life goes on
  149. Life on Canvas
  150. Life, user manuals, recursive pictures
  151. Lock but don’t but
  152. Longest common subsequence. An investigation into the classic computer science problem of calculating the longest common subsequence of two sequences, and its relationship to the edit distance and longest increasing subsequence problems.
  153. Look and Say Numbers
  154. Looping forever and ever
  155. Macros with halos
  156. Man or man(1)?
  157. map, filter, accumulate, lambda
  158. Martin Fowler on Soft Documentation
  159. Maximum of an empty sequence?
  160. Maybe we live in a scripting universe. Comments on Larry Wall's 11th State of the Onion address.
  161. Me, Myself and OpenID. Setting up a personal OpenID server using phpMyID
  162. Meetup? Turn Up!
  163. Merging sorted streams in Python. Did you know that Python's for loops can have an else clause? Here's how it can be used in a stream-merging function.
  164. Message to Self. What’s this?
  165. Metablog. Reflections on 14 months of blogging, and why I'm no longer using Typo.
  166. Metaphormers
  167. Metaprogramming is Your Friend. An investigation into metaprogramming techniques used by lazy C, C++, Lisp and Python programmers.
  168. Mistargeted ads
  169. Mixing Python and C++
  170. More adventures in C++
  171. My (Test) First Ruby Program
  172. My First Typo Sidebar
  173. Narrow Python
  174. Negative Sequence Indices in Python
  175. Negative, Captain
  176. Next permutation: When C++ gets it right. An investigation into a classic algorithm for generating the distinct permutations of a sequence in lexicographical order.
  177. No www, yes comments, no categories
  178. Nonce Sense. Cryptography
  179. Not my links
  180. Oberon, Cromarty, Lisa, Waggledance, Ariel
  181. OCR. Wrong characters, right meaning! (chuckles). When OCR gets the characters wrong but the meaning right.
  182. Octal Literals
  183. On Exactitude in Programming
  184. One svnserve, multiple repositories
  185. Ongoing Peer Review
  186. Ordered sublists. A brute force approach. A brute force solution to the longest increasing subsequence problem.
  187. Oulipo and the Eodermdrome challenge. The word EODERMDROME is itself an eodermdrome. Can you find any others?
  188. Overload Online
  189. Paging through the Manual using Access Keys
  190. Paralipsis
  191. Parsing C++
  192. Partitioning with Python
  193. Patience sort and the Longest increasing subsequence. How a simple card game provides an efficient algorithm for finding the longest increasing subsequence of a given sequence.
  194. Patience Sorted
  195. Pay rise please
  196. Pcl-cvs and Psvn Incompatibilities
  197. Perec @IgniteSwansea #3
  198. Perl 6, Python 3
  199. Perlish Wisdom
  200. Permission and Forgiveness
  201. Personal overnight builds
  202. Personal version control
  203. Pi seconds is a nanocentury
  204. Pitching Python in three syllables
  205. Polyominoes
  206. Posting from the command line using mtsend
  207. Power programming. What makes a language powerful? The programmer!
  208. Pragmatic fashion
  209. Printed C++ Journals
  210. Priority queues in Python
  211. Productivity++ != Better
  212. Programming Nirvana, Plan B. Simon Peyton Jones discusses functional programming, Haskell, and promotes a radical route to programming Nirvana at ACCU 2008.
  213. Programming Paired and Shared
  214. Py2exe
  215. PyCon UK
  216. PyCon UK: statistics, pictures and perennial problems
  217. Python 2.5
  218. Python Counters @PyDiff
  219. Python keyword workaround
  220. Python maths updates
  221. Python on Ice. A review of the Python 2, Python 3 language fork. Python 3 has met with some resistance. A moratorium on further changes to the language is being imposed, to smooth the transition.
  222. Python Streams vs Unix Pipes
  223. Python’s lesser known loop control
  224. Python, Surprise me!
  225. Readable Code
  226. Release then Test
  227. Removing duplicates using itertools.groupby. An interpreted Python session showing itertools in action.
  228. Retro-fitting coding standards
  229. Reverse, Esrever
  230. Reversing Hofstadter’s Law
  231. Review of Pete Becker’s TR1 Book
  232. Review: Expert Python Programming
  233. Rewriting String.Left()
  234. Robot wars
  235. RTM vs STW
  236. Run-length encoding in Python
  237. Running Sums in Python. A Python program to generate the running sum of a series.
  238. Sausages, sausages, sausages - slice, slice, slice
  239. Saving changes to read-only files
  240. Scatter pictures with Google Charts
  241. Seamless sequence output in Python 3.0
  242. Seeing with a fresh pair of ears
  243. Set.insert or set.add?
  244. Shameful Names
  245. Shells, Logs and Pipes
  246. Singly Linked Lists in C++
  247. Sledgehammers vs Nut Crackers
  248. Slicing a list evenly with Python
  249. Smart Pointers, Dumb Programmers. A note describing how a smart pointer tripped me up.
  250. So many feeds, so little news. So many feeds, so little news. A reflection on internet consumption.
  251. Soft Documentation. A software developer's investigation into documentation tools.
  252. Software development checklist += 3
  253. Sounds of the Tokyo Metro
  254. Source open, problem closed. An example of the open source advantage.
  255. Space sensitive programming
  256. Spam, Typo, Subversion Logs
  257. Speaking at the ACCU Conference 2015
  258. Spolsky podcast causes exercise bike incident
  259. Steady on Subversion. Despite the increasing popularity of distributed version control systems, I'm sticking with Subversion. Here's why.
  260. Steganography made simple
  261. Stop the clock, squash the bug. Which is better, a clock which loses a minute a day or one which is stopped? An investigation into how we find and fix software defects.
  262. String literals and regular expressions. An article about string literals, escape sequences, regular expressions, and the problems encountered when mixing these together.
  263. Subversion 1.4
  264. Sugar Pie. Approximating pi by scattering sugar.
  265. Sums and sums of squares in C++. Reduce is a higher order function which applies a another function repeatedly to a collection of values, accumulating the result. Well known to functional programmers, reduce is also a standard C++ algorithm.
  266. svn help patch
  267. SwanseaCon 2017
  268. Synchronising Workspaces
  269. Syntactic Sugar
  271. Takewhile drops one
  272. Tell me about … Virtualization. An attempt to describe virtualization, why it's useful, and when to consider using it.
  273. Test driven development in Python
  274. The case against TODO. A neat label for work in progress or an easy way to disguise the flaws in a codebase?
  275. The Etch-A-Sketch User Interface
  276. The Granny—Stroustrup Scale
  277. The Heroic Programmer
  278. The Lazy Builder’s Complexity Lesson. A discussion of algorithmic complexity, and a demonstration of how the C++ standard library allows programmers to write code which is both concise and efficient.
  279. The Maximum Sum contiguous subsequence problem. A stream-based solution to a classic computer science problem.
  280. The Price of Coffee. Offering something for nothing and getting paid nothing for it. Leap day ramblings.
  281. The Rings of Saturn
  282. The Third Rule of Program Optimisation
  283. The Trouble with Version Numbers
  284. There’s no escape??!
  285. Think, quote, escape
  287. Tony Hoare’s vision, car crashes, and Alan Turing. The highs and lows of Europython 2009. A personal review.
  288. Too big or too clever? Steve Yegge says that, for large applications, size is an enemy best controlled by dynamic languages. Alex Martelli says a language can be too dynamic for a large application. Who's right?
  289. Top Ten Percent. The most efficient way to sort the top 10% of a collection.
  290. Top Ten Tags. Choosing the right algorithm to select the N largest items from a collection.
  291. Trac — not just a pretty interface
  292. Tracing function calls using Python decorators. Developing code to trace function calls using Python decorators.
  293. Turing Tests and Train Trackers
  294. Two star programming
  295. Undogfooding
  296. Unit Tests Questioned
  297. Unit Tests Questioned: Reading List
  298. Unleash the test army
  299. Version Control for Third Party Software
  300. What apple gets right
  301. What’s in the box?
  302. When computer applications reside on the web
  303. When web search results get read out of context
  304. When you comment on a comment
  305. White black knight then black white knight. Yet more on drawing chessboards
  306. Why Python programmers should learn Python
  307. Why Software Development isn’t Like Construction. What’s the best metaphor for software development? Steve McConnell prefers “construction”. I disagree.
  308. Why zip when you can map?
  309. Wiki Markup. Wikis often invent their own markup syntax. A note on why I favour Markdown.
  310. Word Aligned, hosted by Github
  311. You wait all day for a bus…
  312. Your computer might be at risk. A hard drive failed this weekend. Guess what, it hadn't been backed up. Here's how I went about recovering the data, and some thoughts on the future of computing in general and operating systems in particular.
  313. Zippy triples served with Python. How do you generate previous, this, next, triples from a collection. A stream-based solution in Python.