DTrace is a dynamic tracing tool build by Sun Microsystems and is available for Solaris, MacOS and FreeBSD. It features a tracing language which can be used to probe certain “probing” points in kernel or userland. This can be very useful to gather statistics, etc. Linux comes with a separate solution called systemtap. It also [...]
Software projects choose languages based on idioms of the languages. Languages can provide mechanisms and structures to support object orientation or functional programming. Less time is spent thinking about backwards compatibility of programming language runtimes. While this is usually a non-issue for short living software like websites or software in tightly controlled environment, it becomes [...]
$ lein swank In emacs use M-x slime-connect to connect to swank. user> (use ‘clojure.test) nil user> (use :reload ‘geocommit.test.services) (run-test ‘geocommit.test.services) {:type :summary, :test 3, :pass 9, :fail 0, :error 0} $ lein swank In emacs use M-x slime-connect to connect to swank. user> (use ‘clojure.test) nil user> (use :reload ‘geocommit.test.services) (run-test ‘geocommit.test.services) {:type [...]
This blog post will show you how to use geocommit in your projects. It shows how to install the Chrome and Firefox extensions to add support for geocommit to github.com and bitbucket.org
Bookmarks is an extension to the Mercurial SCM, which adds git-like branches to Mercurial. The extension is distributed together with Mercurial. Recently the extension has received a major update. Time to look back. This is a series of blogposts that consists of three parts: (1) Part I: History of Bookmarks (2) Part II: Daily Bookmarking [...]
Here are the slide from my Advanced Git talk: Advanced Git View more presentations from segv. Here are the slide from my Advanced Git talk: Advanced Git View more presentations from segv.
macports is a widely used ports system for Mac OS. It’s repository contains hundreds of application that can be compiled and installed. The repository contains php 5.3. So if you want to run PHP from subversion you still have to compile it yourself and install it yourself outside your managed ports environment. I created a [...]
For those not following the PHP development. We backported the DTraces probes from the abandoned PHP 6.0 branch, back to the new trunk PHP 5.3.99-dev. It is called 5.3.99 because the PHP dev community has not decided yet on a version number (5.4 or 6.0). To compile PHP with DTrace, on Solaris or Mac OS [...]
The blog post gives you a short introduction into the session management of Compojure.
I really enjoy giving talks. This is particularly because I like to teach people something and because I’m really enthusiastic about the technical things I talk about. Once of these things are obviously decentralized version control system, in particular Git and Mercurial. Finally after two years of submitting talks to various conferences, people and conferences [...]