October 11, 2008

The cost of reading

As an avid reader, it often occurs to me just how second-hand book retailers manage to turn a profit. Even assuming the raw stock can be acquired at very little cost, the vast majority of books can go unsold almost indefinitely, all the while occupying shelf or storage space that costs money to maintain. I read somewhere that on average a second-hand bookseller can expect a third of his stock to be sold within six months, another third to be sold on an indefinite timescale, and the final third to simply go unsold. Obviously this has a knockon effect where turnover is slow. On a recent trip to Wigtown, Scotland’s National Book Town, I came across plenty of bookstores that clearly have to elevate prices to remain profitable. No doubt in their case, the annual book festival and holiday season are a major source of revenue that would otherwise cause most to close their doors in an otherwise small and overcrowded market ecosystem.

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September 18, 2008

Dealing with spam

If there’s one jargon term that every user new to the Internet soon becomes acquainted with, spam must near the top of the list. Its prevalence and virtual ubiquity through many forms of online communication have generated miniature industries devoted to dealing with it, and the science of spam detection, prevention and treatment almost resembles the tactical skirmishes of biological immune systems.

Spam exists in many forms, from bogus guestbook entries to elaborate instant messaging robots, but the variety which prompted this post was that classic form - unsolicited email. The level of penetration of spam illustrates itself in the number of systems put in place to combat it as standard on the vast majority of websites, including of course authentication emails and the ever evolving captcha. I use a small combination of plugins on this blog to block out most of the spam, and given the extreme sparcity of genuine comments, the potential for inconvenient ‘false positives’ is rather slim. Nevertheless, even the cursory inspection I tend to make over Akismet’s latest haul becomes tiresome for all the size of this blog - spam comments to date outnumber genuine ones by a factor of almost 500 (and that only counts those caught and tallied by Akismet). Quite how larger, more popular blogs deal with searching for false positives, I don’t know, but the task must be fairly time-consuming.

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September 10, 2008

Mapped drives in Windows XP

Having recently set up some network storage, I came across a rather irritating problem mapping network drives in Windows XP. The basic setup procedure, as outlined here, worked perfectly on some systems, but failed to retain the stored username/password for network attached drives requiring alternative login details. The solution found, courtesy of this blog, is to map the drives using the following command (replacing U with the drive letter, and NETHOME\LOCID with the relevant UNC network location):
NET USE U: \\NETHOME\LOCID /PERSISTENT:YES /SAVECRED
The necessary username/password details can then be entered and should be stored, allowing the drive to be mapped automatically when the user logs on.
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May 31, 2008

Indiana Jones and the Kingdom of the Crystal Skull

The Indiana Jones saga was complete. He had trumped the Nazis, saved his father’s life, solved one of the greatest archaeological mysteries, and ridden off into the sunset with his companions. At least, until now. The recent spate of late-coming sequels and series restarts no doubt to a large extent prompted Indy’s return to the silver screen, and whilst this is no bad thing by itself, does however spoil the rather nice ending to the previous series finale Indiana Jones & The Last Crusade. Although Sean Connery declined to come out of retirement for the film, the late Denholm Elliott sadly missed, and the being no part for John Rhys-Davies, the film’s still alluring combination of George Lucas, Steven Spielberg, John Williams and Harrison Ford will no doubt kick this film to the top of the box office. The problem is that the potential for disappointment runs almost as high as it did for Lucas’ own Star Wars Episode 1: The Phantom Menace, and one imagines that The Crystal Skull will only suffer as a result.

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May 29, 2008

Assaulting the Team Fortress

Team Fortress 2Valve’s Team Fortress 2 is already over six months old, so now might seem like an odd time to write a post on the games merits, but with the recent release of the Medic Achievement pack, and the rather surprising (though not unwelcome) news that Valve intends to integrate some of its popular features and improvements into the ageing Day of Defeat: Source, I decided I’d jot down a few of my impressions.

The release of Team Fortress 2 came as something of a surprise, after so little news about its development, with virtually nothing concrete after the initial revelations in 1999. The finished version bears absolutely no relation to those initial screenshots, instead maintaining much stronger links to the original modification Team Fortress Classic, with a strong glossy coat of The Incredibles style graphics and an uncut, Columbian-strength injection of humour.

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May 25, 2008

Daily Links

De Radio 4 Top 400 - The favourite classical pieces as voted for by Dutch radio listeners. Certainly a handsome proportion of religious works in the list. (PDF)

100 Best Last Lines from Novels - How great can a last line be? I’ve read some of the works on the list and can’t say any are particularly memorable, but here’s an arbitrary list of the top 100 anyway. (PDF)

The World’s Spookiest Weapons - Starting with the A-bomb and working through mind control, crowd control and animal manipulation, this little list illustrates some of the craziest weapons designed or researched in the years since the last war.

Boxhead 2play - While away some moments (hours!) with this mad flash-based zombie fest. Can also be played cooperatively or in deathmatch mode from the same machine.

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May 23, 2008

In preparation for the Bionilympics

Hard to believe that Oscar Pistorius, the double-amputee sprinter has won his appeal to trial for the upcoming Beijing Olympics. The Court of Arbitration for Sport overturned a ban imposed by the International Association of Athletics Federations, after the latter said his carbon fibre blades give him a mechanical advantage. Essentially the ruling rests on the fact that the IAAF did not prove sufficiently that Pistorius gains an advantage from the “Cheetah Flex-Foot” artificial limbs. Of course, Pistorius is allowed to compete in the Paralympics, and currently holds the world record in the 100m, 200m and 400m events. It would appear that he is looking for a chance to compete at a higher level, and many support his case as inspirational.

But therein lies the problem. As one Slashdot reader put it rather eloquently, “It might be inspirational to see a dyslexic child competing in a spelling bee with the aid of a spellchecker, but it’s hardly the point of the competition.” The decision is obviously a contentious one, and as someone who has no interest in the Olympics and very seldom sees an event, I would not normally have a point of view. However it seems that this decision places the Olympics in dangerous territory for the future. It may well be the case that the appendages offer Oscar Pistorius no advantage above what his normal capabilities might have been, however as no comparison is possible, that would be exceedingly difficult to prove either way. What is certain is that the decision opens the door to others in the future, who may well be afforded advantages above and beyond their natural capabilities. Athletes are made to perform within a fluid bubble of ‘natural conditions’, separated from drugs that would enhance their performance, and divorced from technologies in sportswear and sports gear that would give them that unfair edge, yet these rules exist to keep the playing field level, whilst this latest decision clearly attempts to level a different field. Mechanical advantage or no, Pistorius will have to train hard simply to qualify, and one can’t help but feel that were he already faster than the able-bodied competition his appeal would have failed. Instead this decision allows everyone to feel the cushy ‘aww’ factor of seeing someone disadvantaged compete in the Olympics, but the real result of this ruling, after Pistorius’ name is long forgotten, will be the precedent which allows athletes with mechanical replacements into the competition. There’s a future yet for the cyborg olympics.

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