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Python function global variables?

I know I should avoid using global variables in the first place due to confusion like this, but if I were to use them, is the following a valid way to go about using them? (I am trying to call the global copy of a variable created in a separate function.) ...
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Why did Bootstrap 3 switch to box-sizing: border-box?

...ample: Try putting a 1 pixel border on a 100% width div, with content-box. Now you've got something thats 100% + 2 pixels. With border-box, you don't have that problem, its still 100%. – emptywalls Feb 14 '14 at 23:23 ...
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Find method references in Xcode

...uess not, since in at least some cases the compiler won't have any way of knowing which implementation is to be called. – Mark Amery May 5 '15 at 23:51 ...
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How to push new branch without history

...configs, purged all the files and then placed in configuration files only. Now I want to push this on remote repo, but as it were new, empty branch (without logs of all my changes and old revisions of original branch). ...
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Ajax using https on an http page

... Seems like Opera supports it now: en.wikipedia.org/wiki/… Only not Opera Mini though... – gitaarik Mar 5 '14 at 11:07 ...
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SQLAlchemy: cascade delete

...SCADE that you set up. This is because it relies on those foreign keys to know which child rows to delete. Once SqlAlchemy has set them all to NULL, the database can't delete them. Setting the passive_deletes=True prevents SqlAlchemy from NULLing out the foreign keys. You can read more about passive...
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How to extract img src, title and alt from html using php? [duplicate]

... EDIT : now that I know better Using regexp to solve this kind of problem is a bad idea and will likely lead in unmaintainable and unreliable code. Better use an HTML parser. Solution With regexp In that case it's better to split...
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Is it possible to embed animated GIFs in PDFs?

... PDFs may have been originally made for physical printing, but have now completely taken the place of printed documents - they are the de-facto digital document, so it makes perfect sense that we should allow them to embed animations. – Demis May 12 '16 ...
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unsigned int vs. size_t

..."your compiler might make assumption about it": I would hope the compiler knows the exact range of values that size_t can represent! If it doesn't, who does? – Marc van Leeuwen Jun 15 '14 at 5:42 ...
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How do I get bash completion to work with aliases?

... this used to work great until something changed in git_completion.bash... Now it works with the full command but not with the alias. – Michael Smith Jan 24 '12 at 3:21 ...