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Django admin: How to display a field that is marked as editable=False' in the model?

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How do I import the Django DoesNotExist exception?

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How do I get hour and minutes from NSDate?

...teFormatter to convert string1 into an NSDate, then get the required NSDateComponents: Obj-C: NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init]; [dateFormatter setDateFormat:@"<your date format goes here"]; NSDate *date = [dateFormatter dateFromString:string1]; NSCalendar *calenda...
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How can I find out a file's MIME type (Content-Type)?

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Is it possible to reopen a closed branch in Mercurial?

... You can just hg update to the closed branch then do another hg commit and it will automatically reopen. The closed flag is just used to filter out closed branches from hg branches and hg heads unless you use the --closed option - it doesn't prevent you from using the branches. ...
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How to delete the last n commits on Github and locally?

I'm trying to delete the last 2 commits from one of my GitHub repositories. I've tried as suggested here : git push -f origin HEAD^^:master . It seems that it works, as the last two commits are removed. ...
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How to limit setAccessible to only “legitimate” uses?

...g and for what kind of an architecture. If you're distributing a software component called foo.jar to the people of the world, you're completely at their mercy anyway. They could modify the class definitions inside your .jar (through reverse engineering or direct bytecode manipulation). They could ...
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Comparing two byte arrays in .NET

...; // false If you can't use .NET 3.5 for some reason, your method is OK. Compiler\run-time environment will optimize your loop so you don't need to worry about performance. share | improve this a...
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How do I make an asynchronous GET request in PHP?

...nts will do what you want $output = file_get_contents('http://www.example.com/'); echo $output; Edit: One way to fire off a GET request and return immediately. Quoted from http://petewarden.typepad.com/searchbrowser/2008/06/how-to-post-an.html function curl_post_async($url, $params) { forea...
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Is there a better way to write this null check, and a non-empty check, in groovy?

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