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Setting JDK in Eclipse
I have two JDKs, for Java 6 and 7.
6 Answers
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Why isn't `int pow(int base, int exponent)` in the standard C++ libraries?
...ction does not implement the "power" function for anything except float s and double s?
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What are the differences between numpy arrays and matrices? Which one should I use?
What are the advantages and disadvantages of each?
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GroupBy pandas DataFrame and select most common value
... two. To clean the data I have to group by data frame by first two columns and select most common value of the third column for each combination.
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How do I shuffle an array in Swift?
How do I randomize or shuffle the elements within an array in Swift? For example, if my array consists of 52 playing cards, I want to shuffle the array in order to shuffle the deck.
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Multiple glibc libraries on a single host
...hared libraries) which all must match. One of the pieces is ld-linux.so.2, and it must match libc.so.6, or you'll see the errors you are seeing.
The absolute path to ld-linux.so.2 is hard-coded into the executable at link time, and can not be easily changed after the link is done.
To build an exec...
Rolling back local and remote git repository by 1 commit
I've read the similar posts on this topic, and can't for the life of me figure out how to do this properly.
14 Answers
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Formula to determine brightness of RGB color
...GB values. I know it can't be as simple as adding the RGB values together and having higher sums be brighter, but I'm kind of at a loss as to where to start.
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What is the difference between float and double?
I've read about the difference between double precision and single precision. However, in most cases, float and double seem to be interchangeable, i.e. using one or the other does not seem to affect the results. Is this really the case? When are floats and doubles interchangeable? What are the d...
What is the HTML tabindex attribute?
...te responsible for two things:
it sets the order of "focusable" elements and
it makes elements "focusable".
In my mind the second thing is even more important than the first one. There are very few elements that are focusable by default (e.g. <a> and form controls). Developers very often a...