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Why malloc+memset is slower than calloc?
...lloc() are mostly there to take small allocations (anything from 1 byte to 100s of KB) and group them into larger pools of memory. For example, if you allocate 16 bytes, malloc() will first try to get 16 bytes out of one of its pools, and then ask for more memory from the kernel when the pool runs ...
Can someone explain the dollar sign in Javascript?
...function(){}.
– F-3000
Dec 7 '13 at 12:32
24
Thimmayya your comment "By default, jQuery uses "$" ...
Why does pylint object to single character variable names?
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answered Feb 17 '14 at 16:12
warvariucwarvariuc
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How to install PyQt4 on Windows using pip?
...ersions: )"
– Igor F.
Mar 14 '18 at 12:52
you try add option --trusted-host pypi.python.org
– ki...
What are C++ functors and their uses?
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radical7
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answered Dec 10 '08 at 17:58
jalfjalf
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Call a “local” function within module.exports from another function in module.exports?
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answered May 5 '12 at 13:21
k00kk00k
14.6k1212 gold badges5151 silver badges8181 bronze badges
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MySQL order by before group by
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+100
Using an ORDER BY in a subquery is not the best solution to this problem.
The best solution to get the max(post_date) by author i...
Are there good reasons not to use an ORM? [closed]
...e to your TCO. For a first approximation, 98% portable is just as good as 100% portable, and far better than convoluted or poorly performing solutions to work around the limits of an ORM.
I have seen the former approach work well on a very large (100's of staff-years) J2EE project.
Where an ORM m...
How to deal with cyclic dependencies in Node.js
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answered Jun 3 '12 at 18:49
JohnnyHKJohnnyHK
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Transposing a 2D-array in JavaScript
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array[0].map((_, colIndex) => array.map(row => row[colIndex]));
map calls a provided callback function once for each element in an array, in order, and constructs a new array from the results. callback is invoked only for indexe...