When editing an object in django the ImageField is not populated

I\'m trying to edit an existing object through a form.Every thing is working fine except for the ImageField not being populated with the current value.

TF家族咆哮歌词？

what does !! do in ruby?

I am using some code that uses this syntax (restful authentication). def logged_in? !!current_user() end

C - What does this line mean?

I am trying to understand what the following line of the worst-ever-seen C code (from uboot project) mean:

How do I localize the Grid from the Telerik MVC Extensions?

I\'ve been using the Grid of the Telerik MVC Extensions with grea开发者_JAVA技巧t success, it\'s a great component. But now I need it\'s text to be in spanish.

C# Application Becomes Slow and Unresponsive as String in Multiline Textbox Grows

I have a C# application in which a LOT of information is being added to a Textbox for display to the user.Upon processing of the data, almost immediately, the application becomes very slow and unrespo

Matlab implementation of Haar feature extraction

Does anyone know of a (purely) matlab implementation of Haar feature extraction (the kind used in Viola&Jones object detection algorithm)?

do you need the ref or out parameter?

I am passing a instance of a class to a method, and that method will modify the instance. Do I need to use the out or ref keyword since this is a class I am passing?

Help translating .htaccess to web.config url rewrite

What would this rewrite rule from .htaccess translate to IIS7 we开发者_如何转开发b.config? RewriteRule .* index.php/$0 [PT,L]Can\'t test it right now but hopefully

Backup task/plugin for hudson not working - how do I fix it?

I installed the backup plugin for hudson and when a backup is requested it attempts to shutdown hudson.It seems to hang in that state.