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Converting between datetime, Timestamp and datetime64
....datetime64('2017-10-24T05:30:45.67') - np.datetime64('2017-10-22T12:35:40.123')
numpy.timedelta64(147305547,'ms')
Pandas Timestamp and Timedelta build much more functionality on top of NumPy
A pandas Timestamp is a moment in time very similar to a datetime but with much more functionality. You c...
Remove .php extension with .htaccess
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Gumbo's answer in the Stack Overflow question How to hide the .html extension with Apache mod_...
Is “inline” without “static” or “extern” ever useful in C99?
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NemoNemo
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Algorithm to return all combinations of k elements from n
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Usage:
var result = Combinations(new[] { 1, 2, 3, 4, 5 }, 3);
Result:
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How to make a variadic macro (variable number of arguments)
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C99 way, also supported by VC++ compiler.
#define FOO(fmt, ...) printf(fmt, ##__VA_ARGS__)
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PHP: How to remove all non printable characters in a string?
...ace is 14.79% faster
2048 chars str_replace 94.7111ms preg_replace 123.3189ms str_replace is 23.20% faster
4096 chars str_replace 227.7029ms preg_replace 258.3771ms str_replace is 11.87% faster
8192 chars str_replace 506.3410ms preg_replace 555.6269ms str_replace is 8.87% fas...
Why is Double.MIN_VALUE in not negative
...g that. (Could have used a better name to avoid this confusion though)
123 > 10 > 1 > 0.12 > 0.012 > 0.0000123 > 0.000000001 > 0.0000000000000001
Below is just FYI.
Double-precision floating-point can represent 2,098 powers of two, from 2^-1074 through 2^1023. Denormalize...
What is Gradle in Android Studio?
...dited Nov 16 '15 at 4:38
hichris123
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asp.net mvc put controllers into a separate project
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Craig StuntzCraig Stuntz
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Java Generics (Wildcards)
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In your first question, <? extends T> and <? super T> are examples of bounded wild...