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Circular (or cyclic) imports in Python
... pretty straightforward really. Just remember the following:
'import' and 'from xxx import yyy' are executable statements. They execute
when the running program reaches that line.
If a module is not in sys.modules, then an import creates the new module
entry in sys.modules and then exe...
Git branching: master vs. origin/master vs. remotes/origin/master
I think I'm on the right track to understand the basic concepts of git.
7 Answers
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UIView Infinite 360 degree rotation animation?
I'm trying to rotate a UIImageView 360 degrees, and have looked at several tutorials online. I could get none of them working, without the UIView either stopping, or jumping to a new position.
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How do you suppress output in IPython Notebook?
...Good thing to know is %%capture is only enabled until the end of the cell, and it must appear before any code in the cell. (So it appears there isn't a way to uncapture within a cell.)
– Arel
Oct 17 '16 at 19:32
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jQuery: Performing synchronous AJAX requests
...uery in the past, but I am completely stuck on this. I know about the pros and cons of using synchronous ajax calls, but here it will be required.
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How do I get the directory that a program is running from?
Is there a platform-agnostic and filesystem-agnostic method to obtain the full path of the directory from where a program is running using C/C++? Not to be confused with the current working directory. (Please don't suggest libraries unless they're standard ones like clib or STL.)
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Thread Safety in Python's dictionary
...de should be safe. Keep in mind: a lock here will add almost no overhead, and will give you peace of mind.
http://effbot.org/pyfaq/what-kinds-of-global-value-mutation-are-thread-safe.htm has more details.
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What is the direction of stack growth in most modern systems?
I am preparing some training materials in C and I want my examples to fit the typical stack model.
9 Answers
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When is it acceptable to call GC.Collect?
...ant set of objects - particularly those you suspect to be in generations 1 and 2 - are now eligible for garbage collection, and that now would be an appropriate time to collect in terms of the small performance hit.
A good example of this is if you've just closed a large form. You know that all the...
Reimport a module in python while interactive
... useful if you have edited the module source file using an external editor and want to try out the new version without leaving the Python interpreter.
If running Python 3.4 and up, do import importlib, then do importlib.reload(nameOfModule).
Don't forget the caveats of using this method:
When ...