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Recursive Unix bang-bang in Python 20 Aug 2013 | 11:14 pm
There is a new series that goes 2, 3, 5, 17, 161, 15681, … and has been added to OEIS as well as being blogged about by both Shadab Ahmed and Robin Houston. The series comes from a recurrence relatio...
Set divisions/partitions 8 Jul 2013 | 02:23 am
You all remember Venn diagrams don't you? Well, after needing to split two sets into: Items unique to set1 Items common to both sets items unique to set2 For yet another time, I thought that the ...
Job arrays: Nice idea, shame about the implementations. 2 Jul 2013 | 11:50 am
We have a compute cluster at work that uses IBM platform computing's LSF to schedule jobs. It works well on the whole, but given the kind of jobs we run mostly: hundreds to tens of thousands of very s...
Filtering an iterator into N parts lazily 15 Jun 2013 | 03:44 am
I read "Filter a list into two parts" by Ned Batchelder where he mentions this solution by Peter Otten for a split into two based on the result of a boolean function (or predicate): def partition(ite...
Greedy Ranking Algorithm in Python 25 May 2013 | 11:56 pm
I mentioned in an earlier post that I had written my own ranker and thought I'd revisit this with some code. I verify and ensure the safety of microprocessors for my day job. One way that very comple...
itertools.first ? 26 Mar 2013 | 03:11 am
I wrote something on Rosetta Code and found myself wanting, (again), a version of the any() function that returned the first True elements value rather than the Boolean value True. The code was calcu...
Parse inputs → Munge → Dump 7 Feb 2013 | 08:18 am
I've been evolving a script and thought I would share one aspect of the design that helped in development and maintenance. The Python script takes around five or six machine generated files as input,...
NAARP - Gangsta style. (No Python whatsoever) 5 Feb 2013 | 12:25 pm
...Or what happens if you put this blog post through the Gizoogle on-line gangsta translater: No Attempt At Rigorous Proof I had flu n' so read/skimmed a shitload mo' than usual dis week n' came acr...
No Attempt At Rigorous Proof 4 Feb 2013 | 10:52 am
I had flu and so read/skimmed a lot more than usual this week and came across two conference videos that basically said that there is very little engineering and science in the books, papers, and conf...
Python doing something right 28 Jan 2013 | 11:50 pm
Isn't statistics fun! ...But still way off C and Java.
