I recently presented biking.michael-simons.eu, a Sinatra based application written in Ruby. Its main purpose for me is to keep track of my milage in 2009. Although the application is completely self containing it has some nice features: Simple setup The application is simple and i didn’t want to use a “big” database like PostgreSQL or […]
The following statement "foo baz".replaceAll("baz","$bar");"foo baz".replaceAll("baz","$bar"); will present you an java.lang.IllegalArgumentException: Illegal group reference exception as the replacement string can contain backreferences to the search pattern as stated in Mather#replaceAll: This method first resets this matcher. It then scans the input sequence looking for matches of the pattern. Characters that are not part of any […]
By default, Rubys heredocs are interpreted as double-quoted strings, that is #{something} is evaluated, \r turns into newline and so forth. You can change this behaviour by single quoting the heredoc identifier like so: s = <<-‘SINGLE_QUOTED’ #{i’m not interpreted} SINGLE_QUOTEDs = <<-‘SINGLE_QUOTED’ #{i’m not interpreted} SINGLE_QUOTED
Next time i see umlauts in source, I’ll scream. Loud. In the mean time I try this: find . -iname "*.java" -exec sh -c ‘iconv -f cp1252 -t utf-8 {} > {}.utf8’ \; for i in `(find . -name "*.utf8")`; do mv $i ${i/.utf8/}; donefind . -iname "*.java" -exec sh -c ‘iconv -f cp1252 -t […]
I’d love to understand what makes people create abominations such as this: if((foo ? !bar : true)) if(!somethingelse) dosomething()if((foo ? !bar : true)) if(!somethingelse) dosomething() I don’t want to judge anyone, the thing actually worked, but i really want to understand why people don’t see that this is crap. I’m really aware of the fact, […]