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Suppose we have the following code sinppets: <br /> private BlogDataContext db = new BlogDataContext ();<br /> ... article.Created = DateTime.UtcNow; article.Modified = DateTime.UtcNow; db.Articles.InsertOnSubmit(article); db.SubmitChanges( ); The ID of the article is automatically generated. How do we get the Id of the newly inserted record? It turns out that the article is updated with the value of Id after the method SubmitChanges( ) is invoked. So, we can just get the Id this way:...

Aaaahhh… I fixed the Pidgin problem with Unknow protocol just 5 minutes after the previous post was made. I’m going to write how I found out the problem and how it has been fixed. If you’re interested, keep reading. In the previous post, I mentioned that I would removed the Pidgin package completely including its configuration file (# apt-get –purge remove pidgin.) I did and followed by re-installation of Pidgin, unfortunately, it didn’t fix anything....

Update: The problem has been fixed. Please see the above post. A few weeks ago, Pidgin could not connect to Yahoo messenger server because Yahoo was changing its protocols. At the time, the Pidgin was at version 2.5.5. Then that Yahoo connection problem has been fixed in version 2.5.7 and newer of Pidgin. Anyway, Pidgin is acting up again. This time I’m not sure what is going on, and it didn’t seem other people are experiecing the same problem – Protocol Unknown for all types of accounts....

This is just a quick note to remind myself: <br /> Math.Round(4.4); //Returns 4.0.<br /> Math.Round(4.5); //Returns 4.0.<br /> Math.Round(4.6); //Returns 5.0. Credit: Math.Round Method

I tried to install JSON for Ruby via RubyGem, # gem install json and I got the following error message: Building native extensions. This could take a while...<br /> ERROR: Error installing json:<br /> ERROR: Failed to build gem native extension. <br /> /usr/bin/ruby1.8 extconf.rb install json<br /> extconf.rb:1:in `require': no such file to load -- mkmf (LoadError)<br /> from extconf.rb:1<br /> <br /> Gem files will remain installed in /usr/lib/ruby/gems/1....