JavaScript: what if nested ‘this’ doesn’t work?
Note: Examples used in that post require usage of prototype.js. Imagine you have a JavaScript class with some features related to the current view. One of the method in that class is supposed to add an observer on all anchors marked with class “delete”. That observer is also defined in this class. In other words,…
admin5th Annual Conference on Teaching & Learning: Learning Technologies
A month ago, together with Jacek Jankowski and Filip Czaja, we wrote an abstract for 5th Annual Conference on Teaching & Learning: Learning Technologies. Recently, we have been asked to present the abstract on the conference, in the beginning of June. Below, there is the abstract: Adapting informal sources of knowledge to e-Learning. The amount…
Summary of Communities to Communities (C2C) 2009 Conference
C2C is a history now. I attended .NET stream and one session on SQL. The conference as a whole was very interesting, well organised, and basically developing. It was a Polish conference so most sessions were conducted in Polish but there were a couple of speakers from abroad too, and they spoke in English. Basically…
MonoRail – RenderMailMessage – System.ArgumentNullException: Value cannot be null. Parameter name: format
This was a nasty issue… System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation. —> System.ArgumentNullException: Value cannot be null. Parameter name: format at System.String.Format(IFormatProvider provider, String format, Object[] args) at System.String.Format(String format, Object arg0, Object arg1) — End of inner exception stack trace — Background This is part of the stack trace…
Web 2.0 buttons generator
Web 2.0-styled buttons are quite popular these days. In fact, they look fine. Actually, I love them Today, I learned you don’t have to do it on your own with graphic software. I’ve found www.mycoolbutton.com – Web 2.0 buttons generator. It allows you to create a button in four steps: define the size define the…
Launchy
Have you ever lacked from run menu from KDE (Alt+F2) in your Windows? Try Launchy. It’s open source software that not only runs programs you have installed on your PC but also can launch your documents, project files, bookmarks etc. I really recommend it! To learn more, see Launchy homepage.
SQL: CONVERT to DATETIME
I’ve heard that SQL Server developers happen to have problems with CONVERT function when try to obtain a value of datetime type. Recently, I’ve had that problem during a Data Transformation Services (DTS) package implementation. One of the task in that package was “Transform Data”, which transferred data between a source and destination. To retrieve…
Submission for ISWC ’07
Today we submitted yet another article; this time for The 6th International Semantic Web Conference (ISWC ’07) that will take place in Busan, Korea, from November 11 to 15 (Thursday), 2007. I was the main author of the paper; i wrote it together with Sebastian R. Kruk, Tadhg Nagle, Edward Curry, and Adam Gzella. Its…
Xobni
Xobni is declared to be a new look at your email. Even the neme is tightlt connected to email – “xobni” is the word “inbox” backwords All in all, Xobni is a plugin for Microsoft Outlook that comes along with Microsoft Office. According to the authors Xobni allows: fast email search extract phone numbers from…
Summary of our work in DERI
In less than two weeks I’m living DERI. I’m going back home in Poland. The plan is to defend my Master’s Thesis. Before leaving, we (myself, Filip Czaja and Władysław Bultrowicz) are supposed to present the result of our work. We gave the presentation today. First, Filip introduced ourselves and showed the context of our…
Head First Design Patterns
Another book I recommend reading: Head First Design Patterns. I need to say I only managed to read it when I tried for the second time. First time I gave up after three or four chapters. Although I believed the provided definitions, examples, code snippets were good, I was fed up with all this Zen…
Media convertion
Many times it happened to me that I needed to convert a file from one format to another (text documents, images, movies, etc). It can be difficult and expensive to download different pieces of software that can do that. Media Convert service comes with helping hand. Let me cite the authors: Media-Convert is 100% free….