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Long-held, incorrect programming assumptions [closed]

I am doing some research into common errors and poor assumptions made by junior (and perhaps senior) software engineers. 19...
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Why is Linux called a monolithic kernel?

...d that Linux is a monolithic kernel. Does monolithic kernel mean compiling and linking the complete kernel code into an executable? ...
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Difference between map, applymap and apply methods in Pandas

...rame’s apply method does exactly this: In [116]: frame = DataFrame(np.random.randn(4, 3), columns=list('bde'), index=['Utah', 'Ohio', 'Texas', 'Oregon']) In [117]: frame Out[117]: b d e Utah -0.029638 1.081563 1.280300 Ohio 0.647747 0.831136 -1.549481 Tex...
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Interface or an Abstract Class: which one to use?

Please explain when I should use a PHP interface and when I should use an abstract class ? 11 Answers ...
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How to install MySQLdb (Python data access library to MySQL) on Mac OS X?

...but I've just spent a day working out how to get MySQLdb working properly, and the universe according to google includes numerous references to what a PITA it is, and an inordinate number of guides that seem to be outdated. Given that this site is intended to address these sorts of problems, and I ...
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Add an already existing directory to a directory in Solution Explorer

...irectory in Solution Explorer, but whenever I right-click on the directory and select Add => Existing Item , I can only add individual files, but not directories. ...
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Proper MIME type for OTF fonts

... @busticated, how'd you decide on this one? is it emerging as a standard? (works for me, and i wrote up a request on fontsquirrel to use it in their font-face generator... fontsquirrel.com/forum/discussion/361/mime-type-for-woff ) – ericsoco Aug 25 '1...
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Why do Lua arrays(tables) start at 1 instead of 0?

I don't understand the rationale behind the decision of this part of Lua. Why does indexing start at 1? I have read (as many others did) this great paper . It seems to me a strange corner of a language that is very pleasant to learn and program. Don't get me wrong, Lua is just great but there has t...
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What is the difference between the Facade and Adapter Pattern?

I've been reading both definitions and they seem quite the same. Could anyone point out what are their differences? 16 Answ...
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How do Python functions handle the types of the parameters that you pass in?

...tely use an object of a type "as if" it was an object of a different type, and all elementary operations on the object are delegated to its type. This has nothing to do with names. A name in Python doesn't "have a type": if and when a name's defined, the name refers to an object, and the object do...