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Maven in Eclipse: step by step installation [closed]
I have spent been on the Maven site reading the 5- and 30-minute tutorials, and trialing Maven out for the first time.
13 A...
Why does the indexing start with zero in 'C'?
Why does the indexing in an array start with zero in C and not with 1?
16 Answers
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How to style the option of an html “select” element?
...pe of element is an example of a "replaced element". They are OS-dependent and are not part of the HTML/browser. It cannot be styled via CSS.
There are replacement plug-ins/libraries that look like a <select> but are actually composed of regular HTML elements that CAN be styled.
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How to filter Pandas dataframe using 'in' and 'not in' like in SQL
How can I achieve the equivalents of SQL's IN and NOT IN ?
9 Answers
9
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Why is there no xrange function in Python3?
Recently I started using Python3 and it's lack of xrange hurts.
6 Answers
6
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Tools for analyzing performance of a Haskell program
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how to find out why this solution is so slow. Are there any commands that tell me where most of the computation-time is spend so I know which part of my haskell-program is slow?
Precisely! GHC provides many excellent tools, including:
runtime statistics
time profiling
heap profiling
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Understanding slice notation
...t value that is not in the selected slice. So, the difference between stop and start is the number of elements selected (if step is 1, the default).
The other feature is that start or stop may be a negative number, which means it counts from the end of the array instead of the beginning. So:
a[-1]...
What's quicker and better to determine if an array key exists in PHP?
... if the value is NULL.
Whereas
isset() will return false if the key exist and value is NULL.
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How to check if all elements of a list matches a condition?
...ne this with a generator expression to produce the result you want cleanly and efficiently. For example:
>>> items = [[1, 2, 0], [1, 2, 0], [1, 2, 0]]
>>> all(flag == 0 for (_, _, flag) in items)
True
>>> items = [[1, 2, 0], [1, 2, 1], [1, 2, 0]]
>>> all(flag == ...
Is there a performance gain in using single quotes vs double quotes in ruby?
...gle quotes in ruby decreases performance in any meaningful way in ruby 1.8 and 1.9.
14 Answers
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