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Is returning null bad design? [closed]

...ing null is insane when it's used as a substitute for empty containers (or strings). That's not the common case though. – MSalters Aug 14 '09 at 8:17 2 ...
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How do I hide an element on a click event anywhere outside of the element?

...e class name instead of ID, because in asp.net you have to worry about the extra stuff .net attaches to the id EDIT- Since you added a another piece, it would work like this: $('.myDiv').click(function() { //button click class name is myDiv e.stopPropagation(); }) $(function(){ $('.openDiv...
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PHPUnit: assert two arrays are equal, but order of elements not important

... Note that array_diff converts every value to string for comparison. – Konstantin Pelepelin Jul 8 '14 at 12:35 ...
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Python Logging (function name, file name, line number) using a single file

... to the current instance. The trick being used that is stumping you is the string formatting using a dict as the RHS of the % operator. "%(foo)s" % bar will be replaced by whatever the value of bar["foo"] is. Finally, you can use some introspection tricks, similar to those used by pdb that can log ...
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What is the best way to implement “remember me” for a website? [closed]

...put anything in there that will allow someone to modify the cookie to gain extra benefits. For example, don't store their user groups or their password. Anything that can be modified that would circumvent your security should not be stored in the cookie. ...
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Log to the base 2 in python

...n_function_or_method Base Class: <type 'builtin_function_or_method'> String Form: <built-in function log> Namespace: Interactive Docstring: log(x[, base]) -> the logarithm of x to the given base. If the base not specified, returns the natural logarithm (base e) of x. In ...
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Is there a generator version of `string.split()` in Python?

string.split() returns a list instance. Is there a version that returns a generator instead? Are there any reasons against having a generator version? ...
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PHP, get file name without file extension

...was this downvoted? The answer is absolutely correct. pathinfo operates on strings, so it doesn't matter if the file is actually on the server or not. – Gordon Feb 2 '10 at 11:22 1...
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What are database normal forms and can you give examples? [closed]

...Normal Form requires everything that the lower normal forms had, plus some extra conditions, which must all be fulfilled. share | improve this answer | follow ...
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Logical XOR operator in C++?

...!= !B implements the proper XOR in that regard. But if you care about the extra sequence point though, neither != nor bitwise ^ is the proper way to implement XOR. One possible way to do XOR(a, b) correctly might look as follows a ? !b : b This is actually as close as you can get to making a hom...