.pQd’s log

by a coincidence [process well described in this xkcd's comics] i’ve stumbled on the definition of Benford’s law. since i have access to quite a lot of different economic & financial data i’ve decided to check if that law applies also to it.
Continue reading ‘Benford’s law’ »

in search for some February sunshine i’ve spent 11 days in Morocco.
Continue reading ‘morocco’ »

braindump of things to do/directories not to copy when cloning physical debian to a vm using rsync
Continue reading ‘cloning the server using rsync’ »

while sopa/pipa legislation in the US seems to be postponed after a wave of protests acta in EU/Poland is doing just fine; acta possibly will be ratified [at least in Poland] without much of the mainstream attention. is pushing this law through the EU parliament going to be the only ‘success’ of otherwise pathetic polish presidency [pl]?
Continue reading ‘sopa/pipa/acta’ »

i’ve been planning for a while to move away from apache2 as a reverse proxy in front of java appservs and start using nginx. i had two reasons: nginx can handle much better large number of concurrent connections [something we can make use of if we start using long-poll/comet], nginx gives more control over buffering of back-end response – eg it can close connection to the back-end as soon as possible, rather than wait till response is delivered to the client.

Continue reading ‘switching reverse proxy from apache2 to nginx’ »

for the last few days i’ve been looking into java7… it surely seems faster. but also some of my old code broke when run under it.
Continue reading ‘java7, XMLEncoder problems’ »

i’ve upgraded few vmware esxi 4.1 servers with the latest patches and… obviously something got broken. i use ghettoVCB script to take weekly snapshots of the vms. scripts hanged last night on all servers.
Continue reading ‘ghettovcb hangs while removing the snapshot’ »

i was in istanbul / turkey for 9 days… longest ‘stationary’ holidays in the last couple of years.
Continue reading ‘istanbul’ »

brain-dump from few days of backpacking around ex-yougoslavia
Continue reading ‘croatia / bosnia & herzegovina / serbia’ »

i’ve spent 3 days in kiev…
Continue reading ‘kiev’ »