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Converting between datetime, Timestamp and datetime64
How do I convert a numpy.datetime64 object to a datetime.datetime (or Timestamp )?
12 Answers
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How can I create a two dimensional array in JavaScript?
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var items = [
[1, 2],
[3, 4],
[5, 6]
];
console.log(items[0][0]); // 1
console.log(items[0][1]); // 2
console.log(items[1][0]); // 3
console.log(items[1][1]); // 4
console.log(items);
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C++ performance challenge: integer to std::string conversion
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#include <string>
const char digit_pairs[201] = {
"00010203040506070809"
"10111213141516171819"
"20212223242526272829"
"30313233343536373839"
"40414243444546474849"
"50515253545556575859"
"60616263646566676869"
"70717273747576777879"
"80818283848586878889"
"909192939...
What does numpy.random.seed(0) do?
...numbers predictable
>>> numpy.random.seed(0) ; numpy.random.rand(4)
array([ 0.55, 0.72, 0.6 , 0.54])
>>> numpy.random.seed(0) ; numpy.random.rand(4)
array([ 0.55, 0.72, 0.6 , 0.54])
With the seed reset (every time), the same set of numbers will appear every time.
If the r...
Remove Application Insight from application on Visual Studio 2013
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edited Apr 23 '14 at 20:46
answered Apr 23 '14 at 20:41
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Deleting all files in a directory with Python
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yugr
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answered Jan 3 '10 at 16:02
mikumiku
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Using python's eval() vs. ast.literal_eval()?
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answered Mar 4 '13 at 8:52
VolatilityVolatility
25.6k66 gold badges6868 silver badges8383 bronze badges
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How do you add an array to another array in Ruby and not end up with a multi-dimensional result?
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edited Jul 23 '14 at 19:10
answered Nov 26 '09 at 5:09
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Efficient string concatenation in C++
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edited Mar 16 '12 at 13:41
codeling
9,06344 gold badges3333 silver badges6060 bronze badges
answered M...
How do I get the last four characters from a string in C#?
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423
mystring.Substring(Math.Max(0, mystring.Length - 4)); //how many lines is this?
If you're po...