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TypeError: 'NoneType' object is not iterable in Python

... Correct, But the common scenario author intended here is totally to skip the for loop instead of raising an exception. Python's design is flawed here. When None is treated as an iterable it must return empty list at least. This exception never helped anyone in real life other than m...
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libpthread.so.0: error adding symbols: DSO missing from command line

...nd line after the object files being compiled: gcc -Wstrict-prototypes -Wall -Wno-sign-compare -Wpointer-arith -Wdeclaration-after-statement -Wformat-security -Wswitch-enum -Wunused-parameter -Wstrict-aliasing -Wbad-function-cast -Wcast-align -Wstrict-prototypes -Wold-style-definition -Wmissing-pr...
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How do you validate a URL with a regular expression in Python?

...he result of parsing gives you a netloc or path you don't like, you could call that "invalid". – S.Lott Jun 29 '09 at 20:44 2 ...
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Can PostgreSQL index array columns?

... to this question in the documentation. If a column is an array type, will all the entered values be individually indexed? ...
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Checking for empty queryset in Django

...if not my_objects: to demonstrate that this is how they do it in the docs. All else is utterly irrelevant so I do not get your point. They could as well make a thousand queries and it would still be totally irrelevant as this is not the point of this answer, with which I make clear that I agree. ...
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Git Bash is extremely slow on Windows 7 x64

...ve been using Git on both Windows and Ubuntu during the development of a small project, frequently flipping back and forth between the two. The issue is that Git Bash consistently becomes slow. ...
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Javascript - How to detect if document has loaded (IE 7/Firefox 3)

I want to call a function after a document loads, but the document may or may not have finished loading yet. If it did load, then I can just call the function. If it did NOT load, then I can attach an event listener. I can't add an eventlistener after onload has already fired since it won't get cal...
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Xcode/Simulator: How to run older iOS version?

... As for weak linking, will this still install on an older device? I tried a while ago and came to the conclusion (as well as others) that if you want iAds, you need to be 4.0 minimum. – ingh.am Nov 23 '10 at 23:24 ...
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Label Alignment in iOS 6 - UITextAlignment deprecated

...MAY change at some time in the future and cause unexpected results. That's all. No doomsday scenario in this case, but better practices should prevail. – Brenden Nov 2 '12 at 19:36 ...
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How to remove from a map while iterating it?

...= m.erase(it)" since C++11 } else { ++it; } } Note that we really want an ordinary for loop here, since we are modifying the container itself. The range-based loop should be strictly reserved for situations where we only care about the elements. The syntax for the RBFL makes this clear...