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How is an overloaded method chosen when a parameter is the literal null value?

... Then you will get a compiler error saying that the call is ambiguous. As now we two equally specific methods with same precedence. share | improve this answer | follow ...
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“Inner exception” (with traceback) in Python?

...o the original exception's error message, but keep other details intact. Known Exception Type try: sock_common = xmlrpclib.ServerProxy(rpc_url+'/common') self.user_id = sock_common.login(self.dbname, username, self.pwd) except IOError: _, ex, traceback = sys.exc_info() message = "C...
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How to add Action Bar from support library into PreferenceActivity?

...ion Bar compatibility has been added into support library, revision 18. It now has ActionBarActivity class for creating activities with Action Bar on older versions of Android. ...
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When to use margin vs padding in CSS [closed]

...ment. Thus the content of the two elements will end up being 2em apart. Now replace that padding with 1em margin. Margins are considered to be outside of the element, and margins of adjacent items will overlap. So in this example, you will end up with the content of the first element followed b...
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How to find all the subclasses of a class given its name?

...ginBase): pass class Plugin2(PluginBase): pass This way, if you know what you're doing, you can override the behavior of of __subclasses__ and omit/add subclasses from this list. share | i...
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What does it mean when git says a file “needs update”?

...d to /var/www/html/). After running this, [git status] and [git pull] both now show it's up-to-date. – Keith DC Jun 12 '15 at 5:46 ...
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Table header to stay fixed at the top when user scrolls it out of view with jQuery

...nly way I found that works without fixed width columns. It isn't clean, I know, which is I way I said it was a hack. – entropy Dec 22 '11 at 16:12 1 ...
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adding directory to sys.path /PYTHONPATH

...NPATH = "$($pathToSourceRoot);$($pathToSourceRoot)/subdirs_if_required" # Now run the actual script python your_script.py share | improve this answer | follow ...
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Protecting Java Source Code From Being Accessed [closed]

...them for something important. Modus operandi So, you did something and you now have proof right? No, the students can still say you stole the idea from them or some other nonsense. My fix for this was to, in private, establish one or more of my methods with my instructor. I tell the instructor to lo...
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Bootstrap 3 - Why is row class is wider than its container?

...r question after I answered, so here is the answer to the question you are now asking: Add the .container class to the first <div>. See working example. share | improve this answer | ...