December 2008 - Posts

KeepAlive for the DotImage WebImageViewer
31 December 08 08:22 AM | jacobl | 1 Comments   
Recently, I posted an article describing a simple way to keep a session alive during long periods of inactivity. That works great if your web application doesn't rely on some other information on the server to maintain state. If you use DotImage in your Read More...
Download Attachments from SharePoint ListItems
29 December 08 08:23 AM | jacobl | 2 Comments   
There are times when you might want to download an attachment from a SharePoint list item. In the case of Document Libraries, this is trivial because there is a File property associated with the SPItem that you can use to get access to the file. Unfortunately, Read More...
Custom NAnt Tasks: TFSCheckOut and TFSCheckIn
24 December 08 10:50 AM | jacobl | 0 Comments   
Here are a few custom NAnt tasks we use in-house for our TFS needs: tfscheckout, tfscheckin, tfsmerge, and a few others. I posted on the topic of Writing Custom NAnt Tasks a while ago, and some of them have been updated. So, if you are using those, make Read More...
Spritify: Writing a CSS Image Sprite Generator with DotImage
22 December 08 10:16 AM | jacobl | 0 Comments   
Quite a while ago, I read about CSS image sprites on Yahoo's developers page. These sprites are essentially a DIV tag that contains style information to display a section of an image at a given coordinate. Here, I'm posting a free Windows app that will Read More...
Attachment(s): Spritify.zip
Creating a simple AJAX Keepalive
19 December 08 09:00 AM | jacobl | 1 Comments   
Like many things on the web, our AJAX Image Viewer and Thumbnail Viewer both depend on sessions to keep track of a given user's state. Unfortunately, sessions timeout. The default timeout is 30 minutes in most IIS installations. If your user walks away Read More...
Debugging Javascript in Internet Explorer
18 December 08 07:15 AM | jacobl | 0 Comments   
Background I'm a huge proponent of Firebug. It's an amazing tool and is super light weight, and for all those people out there who write Javascript, this works 99% of the time. Unfortunately, we come across those bugs ever once and a while that only effect Read More...
Your SharePoint web.config and You
11 December 08 07:08 AM | jacobl | 0 Comments   
This post talks about the dos-and-don'ts of manipulating your web.config and explains some of the future ramifications of your actions. Living a Double Life Did you know that your SharePoint's web config is leading a double life? No, it's not having an Read More...