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background function in Python

...em is. I've got a function that downloads the image needed and saves it locally. Right now it's run inline with the code that displays a message to the user, but that can sometimes take over 10 seconds for non-local images. Is there a way I could call this function when it's needed, but run it in t...
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Mercurial .hgignore for Visual Studio 2008 projects

... Here's my standard .hgignore file for use with VS2008 that was originally modified from a Git ignore file: # Ignore file for Visual Studio 2008 # use glob syntax syntax: glob # Ignore Visual Studio 2008 files *.obj *.exe *.pdb *.user *.aps *.pch *.vspscc *_i.c *_p.c *.ncb *.suo *.tlb *.tlh ...
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Undocumented NSURLErrorDomain error codes (-1001, -1003 and -1004) using StoreKit

... All error codes are on "CFNetwork Errors Codes References" on the documentation (link) A small extraction for CFURL and CFURLConnection Errors: kCFURLErrorUnknown = -998, kCFURLErrorCancelled = -999, kCFURLErrorBadU...
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How can i query for null values in entity framework?

...g this bug! For backwards compatibility, it will be opt-in - you need manually enable a setting to make entry == value work. No word yet on what this setting is. Stay tuned! Edit 2: According to this post by the EF team, this issue has been fixed in EF6! Woohoo! We changed the default be...
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Assigning a variable NaN in python without numpy

...aking) be said to be equal to one another -- see What is the rationale for all comparisons returning false for IEEE754 NaN values? for more details and information. Instead, use math.isnan(...) if you need to determine if a value is NaN or not. Furthermore, the exact semantics of the == operation...
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Mismatched anonymous define() module

I'm getting this error when I browse my webapp for the first time (usually in a browser with disabled cache). 7 Answers ...
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How do I implement __getattribute__ without an infinite recursion error?

I want to override access to one variable in a class, but return all others normally. How do I accomplish this with __getattribute__ ? ...
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No Swipe Back when hiding Navigation Bar in UINavigationController

... navigationController?.navigationBar.hidden = true does work, but does not allow your change in navigation bar to be hidden. Lastly, it's generally better practice to create a model object that is the UIGestureRecognizerDelegate for your navigation controller. Setting it to a controller in the UINa...
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nginx server_name wildcard or catch-all

... is an admin console on admin.domain.com . These work great. Now I'd like all other domain requests to go to a single index.php - I have loads of domains and subdomains and it's impractical to list them all in an nginx config. ...
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Case insensitive searching in Oracle

... Since 10gR2, Oracle allows to fine-tune the behaviour of string comparisons by setting the NLS_COMP and NLS_SORT session parameters: SQL> SET HEADING OFF SQL> SELECT * 2 FROM NLS_SESSION_PARAMETERS 3 WHERE PARAMETER IN ('NLS_COMP', ...