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Getting the first index of an object

... If you know that the object has only one element, then you do know the order. – danorton Sep 24 '10 at 6:44  |  ...
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Code signing certificate for open-source projects?

I want to publish one of my applications as open-source and want to digitally sign the binaries I've created with my own certificate. (Of course, anyone else can just download the code and build it themselves with their own certificate.) I want to do this so anyone can check that this build was made...
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In Flux architecture, how do you manage Store lifecycle?

... In a Flux app there should only be one Dispatcher. All data flows through this central hub. Having a singleton Dispatcher allows it to manage all Stores. This becomes important when you need Store #1 update itself, and then have Store #2 update itself based...
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A generic error occurred in GDI+, JPEG Image to MemoryStream

... be open at the time the object is saved. I am not sure why this is. Is anyone able to enlighten me and how I can get around this. I only return from a stream because after using the resize code similar to this the destination file has an unknown mime type (img.RawFormat.Guid) and Id like the Mime...
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What is causing “Unable to allocate memory for pool” in PHP?

...answer solves the problem. Does the error happen when the file_mask is not one of these values? If I have one of these values and I am getting the error, do I need to switch it to a different one? Which one? – Jeff Aug 22 '14 at 13:24 ...
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Best way to structure a tkinter application? [closed]

...nheriting from tk.Toplevel. This gives you all of the same advantages mentioned above -- the windows are atomic, they have their own namespace, and the code is well organized. Plus, it makes it easy to put each into its own module once the code starts to get large. Finally, you might want to consi...
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Generating random strings with T-SQL

...y it advanced the random seed. I updated the code, and also fixed the mentioned off-by-one issue. share | improve this answer | follow | ...
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Joda-Time: what's the difference between Period, Interval and Duration?

... represent different concepts so it is a matter of picking the appropriate one for the job rather than of relative performance. From the documentation with comments added by me in italics: An interval in Joda-Time represents an interval of time from one millisecond instant to another instant. Bot...
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PHP validation/regex for URL

I've been looking for a simple regex for URLs, does anybody have one handy that works well? I didn't find one with the zend framework validation classes and have seen several implementations. ...
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How do lexical closures work?

...environments for each of the functions created, with a different i in each one. flist = [] for i in xrange(3): def funcC(j): def func(x): return x * j return func flist.append(funcC(i)) for f in flist: print f(2) This is what happens when you mix side effects and fun...