Posted by ForTheLoveOf on May 21, 2010
This is post handling synchronization of Java threads is made as the follow-up of Creating threads in Java.
There we had the situation that our threads evens and odds weren’t running smoothly. A solution for that is adding a time-out...
Posted by ForTheLoveOf on May 21, 2010
Concurrency is a really great concept – multi-tasking and event handling are just two of the many spots it finds application and are amongst those things that makes computers stand nowadays where they are. Almost every operating system...
Posted by ForTheLoveOf on May 9, 2010
There’s a rich variety of plotting symbols for all basic plotting functions from the graphics package in R. You need to set the pch parameter in the call of the plotting routine. It’s an integer set by default to one and usually...
Posted by ForTheLoveOf on Apr 12, 2010
Recently I needed a SQL-”select * where”-query-like way to extract rows of a matrix by matching values of specific columns, something like:
SELECT * FROM `tablename` WHERE `column_a`=’x’ AND `col_b`=’y’
I...
Posted by ForTheLoveOf on Apr 11, 2010
As the title suggests in this post I’d like to explain something very basic and very essential. In R (as in other languages) you may do things in different ways. Sometimes it doesn’t matter which way you choose, but sometimes it...