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

... This does not work, at least on django 1.6 The form is displayed correctly in the admin panel, but when I save a form and return to it again, the forms value is default again. – Euphorbium Oct 7 '14 at 12:42 ...
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Creating a left-arrow button (like UINavigationBar's “back” style) on a UIToolbar

...k on iOS 6. This might only work on older versions of the OS. Evidently at least one dev has had their app rejected for using this trick (see the comments). Use at your own risk. Using an image (see answer above) might be a safer solution. This can be done without adding in your own image files usi...
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Is SHA-1 secure for password storage?

... However, rainbow or not, the attacker still has to run the full attack at least once. This can be viewed as several successive optimization layers: The brute-force / dictionary attack has cost N for cracking each password. With a pre-computed table, the attacker pays that cost N once and can ther...
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Open a project in a new window in IntelliJ after “accidentally” clicking remember decision

... opened" list (File > Reopen Project) will open it in a new window - at least on Windows, running IntelliJ 14.0.3 Community edition. Useful if you only want to open a new window from time to time... :) Unfortunately, this doesn't work with File > Open... ...
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Difference between HTML “overflow : auto” and “overflow : scroll”

... There doesn't seem to be a difference, on the latest version of Safari at least: Even with scroll, I don't see the scrollbar if the content fits. But, just to be safe, I went with auto because I only want to show a scrollbar when the content is clipped. – ma11hew28 ...
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How to get a reference to a module inside the module itself?

... Actually, it seems that (at least) for a function, the __module__ property is not a module, but a string; thus a inspect.getabsfile(func.__module__) fails with "TypeError: 'os' is not a module, class, method, function, traceback, frame, or code object";...
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How do I import the Django DoesNotExist exception?

... only the first of the above snippets will be caught as invalid syntax (at least by Python 2.7)., should be self.assertRaises(Answer.DoesNotExist, Answer.objects.get, body__exact = '<p>User can reply to discussion.</p>') - i.e. with get's arguments added as individual kw args, not inside...
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How can I extract a predetermined range of lines from a text file on Unix?

...82p;16483q' filename. Otherwise sed will keep scanning till the end (or at least my version does). – wds Feb 1 '13 at 13:40 7 ...
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C Macro definition to determine big endian or little endian machine?

...; 0x100)" won't compile into a constant, no matter how much I optimize, at least with gcc 4.5.2. It always creates executable code. – Edward Falk Jul 11 '12 at 20:29 ...
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What is Ruby equivalent of Python's `s= “hello, %s. Where is %s?” % (“John”,“Mary”)`

... Ruby doesn't have tuples (at least not forged into the language). Yeah, it's an array ("list" in Python should really be called arrays...). – user395760 Aug 24 '10 at 7:41 ...