Peter Sobieraj

Problem:

You can find your self wondering why if you put border to table let say color #F00 it have different colors at different borwsers.
Funny 🙂
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It's not so hard to do it if you have good example. Unfortunately it was hard for me to find good example. So I describe it here. (more…)

Today I create new wordpress theme for my site.
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We all know Flash and Java. If you write webpage with it and if your users install it, then they can watch animation elements on your web page. But today I was playing with something new called "Canvas". (more…)

Yesterday I was installing jquery-ui at one of my websites. When I do that as it was writen in instruction all jquery-ui elements was 2 times bigger. I search a while and find how it was solved in demos at jquery.com. That CSS code:

body{ font: 62.5% "Trebuchet MS", sans-serif;}
.demoHeaders { margin-top: 2em; }
#dialog_link {padding: .4em 1em .4em 20px;text-decoration: none;position: relative;}
#dialog_link span.ui-icon {margin: 0 5px 0 0;position: absolute;left: .2em;top: 50%;margin-top: -8px;}
ul#icons {margin: 0; padding: 0;}
ul#icons li {margin: 2px; position: relative; padding: 4px 0; cursor: pointer; float: left;  list-style: none;}
ul#icons span.ui-icon {float: left; margin: 0 4px;}

Unfortunatly that solution change (destroy) all layout of website. So here is step by step instuction how to do it correct. (more…)

Today I take my old webpage and put it back to internet at psobieraj.peter-sobieraj.com. Maybe somebody will find it useful. Most parts of that page is in polish only. I was using that wepage to publish useful mathematics materials for friends during studies. (more…)