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Monthly Archives: September 2009
10 Python Optimization Tips and Issues
Following my previous post on Optimizing Javascript, I thought I’d write a similar post regarding Python optimization.
Posted in computer science, Design, Optimization, Programming, Python
Tagged memory, memory usage, optimization, Programming, Python
8 Comments
Javascript Optimization Tricks
Profiling, Profiling, Profiling This seems obvious, but still merits a mention. Don’t optimize your code before profiling it. If you need a profiler, just use firebug’s. Having tests to make sure that your post-profiling code is equivalent to the original … Continue reading
Posted in Javascript, Optimization
Tagged Arrow Polyline, Google maps api, html dropdown, Javascript, optimization
2 Comments
Checking the ulam spiral
In the following post, the Ulam spiral is described. It’s a very simple object – write down consecutive natural numbers starting from 41 in a square spiral. Curiously, the numbers on the diagonal are primes: Reading this post, I immediately … Continue reading
Posted in Math, Programming, Python
Tagged Math, prime numbers, Programming, Python, Ulam spiral
4 Comments
Privacy mode not so private
I like my privacy. I also prefer to keep my information secure. I might be a bit more paranoid than the rest, but not extremely so. A short while ago, I discovered something disturbing regarding Firefox. It seems to be … Continue reading
Posted in Security
Tagged BetterPrivacy, Firefox, Local shared object, LSO, Privacy, Privacy mode, Security
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PNG Minification
Following Ned Batchelder’s advice I’ve used pngout to minify the png’s on my startup’s web page. It took them down from 641,281 bytes to 338,705. This is quite a nice return for the effort of a download and a single … Continue reading
Threat analysis, security by obscurity and WordPress
Image by Mykl Roventine I’ve been running wordpress for a long time now, and luckily so far, it hasn’t been hacked. Of course – this doesn’t prove anything, as I didn’t count hacking attempts. It also doesn’t show it’s unhackable … Continue reading
Posted in Security
Tagged mass attack, Security, security by obscurity, targeted attack, wordpress
7 Comments
My solution to the counting sets challenge
A few days ago, I wrote up a challenge – to count the number of sets a given set is contained in. In the comments, I touched briefly on the original problem from which the challenge was created, and I’ll … Continue reading
Posted in Challenges, computer science, Python
Tagged challenge, Programming, Sets, Solution
5 Comments