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Visibility of global variables in imported modules

...'from module1 import f', then f would come in global namespace of main.py. Now in main.py if we use f(), then since a=3 and f (function definition) are both in globalnamespace of main. Is this a solution? If I am wrong then please can you direct me to any article on this subject please ...
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Correct Bash and shell script variable capitalization

... Keeping to this convention, you can rest assured that you don't need to know every environment variable used by UNIX tools or shells in order to avoid overwriting them. If it's your variable, lowercase it. If you export it, uppercase it. ...
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What is the difference between inversedBy and mappedBy?

...e engine can use the reference above it which says its mappedBy Category. Now... don't be confused here like I was... Category is NOT referring TO THE CLASS NAME, its referring to the property on the Task class called 'protected $category'. Like wise, on the Tasks class the property $category ment...
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Prevent browser caching of AJAX call result

...I haven't deleted it), but there are better/cleaner ways of achieving this now. My preference is for this method, but this answer is also useful if you want to disable caching for every request during the lifetime of a page. ...
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EC2 instance has no public DNS

... The section containing VPCs is now called Networking. And to edit, you right-click on the VPC. – nasch May 20 '15 at 19:31 92 ...
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Node.js Web Application examples/tutorials [closed]

...ailable on github. The competition site doesn't appear to be working right now, but I'm sure you could Google up a few entries to check out. share | improve this answer | fol...
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Convert a string representation of a hex dump to a byte array using Java?

... to add argument checking via assert or exceptions if the argument is not known to be safe. share | improve this answer | follow | ...
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What is the difference between is_a and instanceof?

... must accept an Object as the first argument, but PHP versions >= 5.3.9 now accept an optional third boolean argument $allow_string (defaults to false) to allow comparisons of string class names instead: class MyBaseClass {} class MyExtendingClass extends MyBaseClass {} // Original behavior, ev...
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Accessing MP3 metadata with Python [closed]

...answered Sep 19 '08 at 14:30 OwenOwen 19.2k1313 gold badges3838 silver badges4747 bronze badges ...
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Positions fixed doesn't work when using -webkit-transform

...ansformed_div { /* styles here, background image etc */ } } So for now you'll have to do it the old fashioned way, until Webkit browsers catch up to FF. EDIT: As of 10/24/2012 the bug has not been resolved. This appears to not be a bug, but an aspect of the specification due to the two e...