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What is the difference between char array and char pointer in C?

...char* and char[] are different types, but it's not immediately apparent in all cases. This is because arrays decay into pointers, meaning that if an expression of type char[] is provided where one of type char* is expected, the compiler automatically converts the array into a pointer to its first el...
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Simplest way to detect a mobile device in PHP

... @kavior.com Yes it can be faked, but we should allow people to fake if they wish... because that would be their intention, why stop people from doing what they specifically want (i.e. load the desktop version for some reason in particular)? – Nick St...
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cartesian product in pandas

...n unused column name, then add dummy columns with that name, merge, and finally drop the column on the result? Creating, as opposed to reading, data with pandas is just a pain – Bananach Oct 10 '19 at 7:31 ...
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“Too many values to unpack” Exception

...nATupleWithThreeValues() print a print b raises Traceback (most recent call last): File "c.py", line 3, in ? a,b = returnATupleWithThreeValues() ValueError: too many values to unpack Now, the reason why this happens in your case, I don't know, but maybe this answer will point you in the r...
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Can iterators be reset in Python?

...ary data needs to be stored). In general, if one iterator uses most or all of the data before another iterator starts, it is faster to use list() instead of tee(). Basically, tee is designed for those situation where two (or more) clones of one iterator, while "getting out of sync" with ea...
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What are the calling conventions for UNIX & Linux system calls (and user-space functions) on i386 an

Following links explain x86-32 system call conventions for both UNIX (BSD flavor) & Linux: 4 Answers ...
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Python decorators in classes

... Would something like this do what you need? class Test(object): def _decorator(foo): def magic( self ) : print "start magic" foo( self ) print "end magic" return magic @_decorator def bar( self ) : print "normal call" test ...
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What does the “===” operator do in Ruby? [duplicate]

... Just like with every other method in Ruby (or actually pretty much any object-oriented language), a === b means whatever the author of a's class wants it to mean. However, if you don't want to confuse the heck out of your colleagues, the convention is that === is the cas...
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Pandas convert dataframe to array of tuples

...ou want normal tuples in your zip iterator (instead of namedtuples), then call: data_set.itertuples(index=False, name=None) – Axel Oct 25 '17 at 9:47 ...
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Samples of Scala and Java code where Scala code looks simpler/has fewer lines?

I need some code samples (and I also really curious about them) of Scala and Java code which show that Scala code is more simple and concise then code written in Java (of course both samples should solve the same problem). ...