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Wrapping a C library in Python: C, Cython or ctypes?

...hen calling the native functions. One thing to note is that ctypes won't know about #define constants and stuff in the library you're using, only the functions, so you'll have to redefine those constants in your own code. Here's an example of how the code ended up looking (lots snipped out, just t...
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ng-model for `` (with directive DEMO)

...t" ng-model="uploadme.src"/> There are no changes to the directive. Now, it all works like expected. I can grab the value of uploadme.src from my controller using $scope.uploadme. share | imp...
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How slow are .NET exceptions?

...at it's meant to be, I really don't want to try to handle this as I don't know what else might be wrong." When using exceptions in "only reasonable circumstances" I've never seen an application whose performance was significantly impaired by exceptions. Basically, exceptions shouldn't happen often ...
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Migrating from JSF 1.2 to JSF 2.0

...ith a rather large app written in JSF 1.2 . JSF 1.2 is around 6 years old now. I need to upgrade to JSF 2.0. How painful will this be? I noticed that some attributes in custom tags have been changed etc. ...
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What is the explicit promise construction antipattern and how do I avoid it?

... The deferred antipattern (now explicit-construction anti-pattern) coined by Esailija is a common anti-pattern people who are new to promises make, I've made it myself when I first used promises. The problem with the above code is that is fails to util...
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Threads vs Processes in Linux

...rsion ran about 9x faster (17.38 seconds for processes, 1.93 for threads). Now this does only test creation time, but for short-lived tasks, creation time can be key. – user17918 May 19 '09 at 15:37 ...
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How to tell if a string is not defined in a Bash shell script

...not, you can do the following: isdefined=0 ${mystr+ export isdefined=1} now, if isdefined=0 then the variable was undefined, if isdefined=1 the variable was defined This way of checking variables is better than the above answer because it is more elegant, readable, and if your bash shell was con...
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“Failed to load platform plugin ”xcb“ ” while launching qt5 app on linux without qt installed

... Wow! Thanks so much! Didn't know about qt.conf, it should on the first page of deployment FAQ – user2440074 Dec 18 '14 at 10:00 ...
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How to search a specific value in all tables (PostgreSQL)?

... @Henno: yes it requires PG-9.1. Edited now to make that explicit. To use it with older versions, you'll have to adapt it. – Daniel Vérité May 11 '14 at 12:27 ...
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initializer_list and move semantics

... const initializer_list at the compiler's discretion, so the user doesn't know whether to expect a const or mutable result from begin and end. But that's just my gut feeling, probably there's a good reason I'm wrong. Update: I've written an ISO proposal for initializer_list support of move-only typ...