http://juliusbeckmann.de/blog Ich bin nicht verrückt, nur technisch begabt ... Tue, 16 Feb 2010 13:15:39 +0000 http://backend.userland.com/rss092 en After using and developing PHP for a few years now, i heard pretty much stuff about optimization, special technice's and other myths and fairy tales. But this article is not about tips or tricks, it is about if this the real key to better performance. Nearly all of us have heard ... http://juliusbeckmann.de/blog/php-micro-vs-macro-optimization-or-get-the-low-hanging-fruit-first.html I am using Mozilla Thunderbird for a while now and one error occurs every now and then. After updating and reading news from our University news-server, some of them are still marked as "unread", but when i click on the folder, the unread marked messages disappear. I researched the error and ... http://juliusbeckmann.de/blog/thunderbird-newsgroup-has-unread-messages-error.html If your windows do not open in Foreground like we are all used to it, it might be caused by a wrong compiz-setting. In this article i will describe how to fix that problem. The setting can be found in the Compiz Setting Manager. This manager can be found under "System" -> ... http://juliusbeckmann.de/blog/ubuntu-open-windows-in-foreground.html Adding Thunderbird to the "indicator-applet" is possible and not that hard. I wrote down the few commands and hints. Applications shown by the "indicator-applet" are listed in this directory: /usr/share/indicators/messages/applications/ By default the files "empathy" and "evolution" should be inside this directory. Adding Thunderbird Adding Thunderbird is just creating a new file with the path to ... http://juliusbeckmann.de/blog/ubuntu-adding-thunderbird-to-indicator-applet.html Everybody talks about security but most of the people still save md5(password) in their databases. This is not funny. Reversing a simple and even a average password is not that hard. I once wrote this tiny class that generates secure enough password hashes. I build in salt and variable interations. License is GPL ... http://juliusbeckmann.de/blog/php-easy-and-secure-password-hashing-class.html A few days ago i needed a simple queue class that would also be persistent after the pagerequest. I first thought about putting this queue in SQL but did not want the whole SQL overhead and such and remembered a blog artice about memcache queues a once read. But i ... http://juliusbeckmann.de/blog/php-fifo-queue-with-apc.html I like solving strange problems with my computer. But what i also like is finding cool tricks and hacks in real life. This page will contain a collection of life hacks i know. Lidl pay desk hack This hack is a little bit older but might work also on other pay desk machines. You ... http://juliusbeckmann.de/blog/lifehacks-my-collection.html I am currently writing my exams these weeks and found this graph on the internet. Somehow i did some marked similarities to my learning :D http://juliusbeckmann.de/blog/fun-knowlegde-vs-time.html Today i found a error in a tiny script i was working on. The error Message looked like this: Warning: mysql_query() [function.mysql-query]: Unable to save result set in /var/www/example.php on line 55 First i found a few hints about repairing or optimizing MySQL tables, but this did not work out. After a few debugging ... http://juliusbeckmann.de/blog/php-mysql-warning-mysql_query-unable-to-save-result-set.html I had a wierd problem with my notebook and a fresh Windows 7 installation. For saving battery power a changes the minimum CPU speed to 1%, but somehow this settings was "forgotten" and resettet with the default value 100%. But i managed to find out what happened really. This kind of "bug" can ... http://juliusbeckmann.de/blog/ati-ccc-changes-cpu-throttle-settings.html