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Adding information to an exception?

...essage + ' happens at %s' % arg1) bar('arg1') Traceback (most recent call last): File "test.py", line 13, in <module> bar('arg1') File "test.py", line 11, in bar raise type(e)(e.message + ' happens at %s' % arg1) IOError: Stuff happens at arg1 Update 1 Here's a slight modif...
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decorators in the python standard lib (@deprecated specifically)

...r('always', DeprecationWarning) # turn off filter warnings.warn("Call to deprecated function {}.".format(func.__name__), category=DeprecationWarning, stacklevel=2) warnings.simplefilter('default', DeprecationWarning) # reset filter ...
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ImportError: Cannot import name X

...r different files named: main, vector, entity and physics. I will not post all the code, just the imports, because I think that's where the error is. (If you want, I can post more) ...
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How to get parameters from a URL string?

...ery'], $query); echo $query['email']; If you want to get the $url dynamically with PHP, take a look at this question: Get the full URL in PHP share | improve this answer | ...
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How to convert CFStringRef to NSString?

...n objects with +1 reference counts, meaning that they need to be released (all CF[Type]Create format functions do this). The nice thing is that in Cocoa you can safely use autorelease or release to free them up. share ...
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Does use of final keyword in Java improve the performance?

... Usually not. For virtual methods, HotSpot keeps track of whether the method has actually been overridden, and is able to perform optimizations such as inlining on the assumption that a method hasn't been overridden - until it lo...
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Practical usage of setjmp and longjmp in C

...n me where exactly setjmp() and longjmp() functions can be used practically in embedded programming? I know that these are for error handling. But I'd like to know some use cases. ...
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What are the differences between json and simplejson Python modules?

...ossible. A good practice, in my opinion, is to use one or the other as a fallback. try: import simplejson as json except ImportError: import json share | improve this answer | ...
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How to print a dictionary line by line in Python?

... Hmm. I think my problem is even worse than that. Basically I've parsed out some data from an HTML table, and I happened to store it in a dictionary, and now I'm trying to take that dictionary data and put it into a DataFrame before I export it all to an Oracle table....it's pret...
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Reference: What is variable scope, which variables are accessible from where and what are “undefined

... be in the global scope in a.php doesn't necessarily mean they are, it actually depends on which context that code is included/executed in. What about functions inside functions and classes? Every new function declaration introduces a new scope, it's that simple. (anonymous) functions inside func...