http://blog.erdener.org/ en-us 2009-03-18T11:17:08-06:00 http://blog.erdener.org/archives/001356.php How can you do bulk file rename using shell tools? The wrong answer is: mv *.OLD *.NEW The easy answer is a shell loop, should be pretty straightforward. Or maybe even a simple Perl/Ruby/etc. script. But it's also do-able using... dev kaan 2009-03-18T11:17:08-06:00 http://blog.erdener.org/archives/001353.php I've been digging into some odd behavior that ultimately traced back to periodic changes to Windows system clock. After doing some research, I've found that: Sun's JVM (through 1.6) has a bug that pushes the system clock into the future... dev kaan 2009-03-03T21:54:12-06:00 http://blog.erdener.org/archives/001351.php While doing some performance testing for a Tomcat-served webapp, I discovered you can enable automatic gzip compression based on content-type. In basic testing, this resulted in ~65% decrease in data transmitted from server to client. Considering a page with 400k... dev kaan 2009-02-05T16:45:42-06:00 http://blog.erdener.org/archives/001319.php I just discovered that string comparisons in MySQL ignore trailing whitespace in strings, CHAR, and VARCHAR fields (but not TEXT) - in short, use "like" instead of "=" for literal string comparison. The strings 'a' and 'a ' (same thing... dev kaan 2008-08-12T00:54:08-06:00 http://blog.erdener.org/archives/001309.php Got a question about vim pattern matching that I had to look up, probably worth sharing. Say you have the following text, and you want to modify the quoted things, so you start with this: blah blah blah "BLAH" blah... dev kaan 2008-05-08T21:13:35-06:00 http://blog.erdener.org/archives/001289.php Wtf is up with so many dev tools using auto-complete, suggestions, tooltips, etc.? Seeing all of these "helper" add-ons really makes me depressed that developers are asking for (and using!) these "features". If you're working with SQL, shouldn't you know... dev kaan 2008-01-16T23:13:48-06:00 http://blog.erdener.org/archives/001285.php I tried vi integration in Eclipse a long time ago, gave up because the integration was crappy. I don't remember what I used. Anyway, I just checked again and found Eclim which has great features. It doesn't hurt that it's... dev kaan 2008-01-02T17:43:31-06:00 http://blog.erdener.org/archives/001280.php Click to enlarge I made this logo for a project I worked on at a previous job. It was a play on an existing logo submission but I included the communist tone as a fun jab (it was funny... dev kaan 2007-12-19T23:20:13-06:00 http://blog.erdener.org/archives/001270.php I just read Java statics by Ted Neward. He's been migrating old articles he wrote, and he's posting updated links. Anyway, it's an interesting look at how static data is managed across multiple class loaders.... dev kaan 2007-12-03T23:03:14-06:00 http://blog.erdener.org/archives/001250.php I'm writing in stunned disbelief after discovering that, mere hours ago, the Atlassian team dealt an awful blow to JIRA users around the world; they've decided once and for all to mark Field level security permissions as "Won't Fix". 4+... dev kaan 2007-10-31T00:13:42-06:00 http://blog.erdener.org/archives/001249.php I just came across Google Gears (gearsblog.blogspot.com). It basically queues and persists outbound network traffic and automatically sends it when network connectivity is restored. There are several error / exception scenarios I can think of, but overall this is... dev kaan 2007-10-30T12:17:18-06:00 http://blog.erdener.org/archives/001222.php If you ever need a nice reference for JSTL, check this one out. It was made by Bill Siggelkow.... dev kaan 2007-08-01T22:16:41-06:00 http://blog.erdener.org/archives/001196.php Brian Goetz recently posted about exception handling in Java (Remove checked exceptions?), and offered an excellent suggestion for eliminating duplicate code when catching multiple exception types. His idea is to allow disjunctive type bounds on catch clauses, so you could... dev kaan 2007-06-19T13:21:49-06:00 http://blog.erdener.org/archives/001054.php I just read Good Agile, Bad Agile from Stevey's Blog Rants. Don't know much about him, but he was a developer at Amazon way back, and now works at Google. It's a long post, and really hit home on a... dev kaan 2006-09-28T14:00:27-06:00 http://blog.erdener.org/archives/001051.php I've been playing around with Ruby, and I like it. Ruby is powerful and simple. I haven't spent much time figuring out how to get the language to do what I want like I would with Java. Instead, I just... dev kaan 2006-09-01T18:08:23-06:00