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Types in MySQL: BigInt(20) vs Int(20)
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2^64 (unsigned) actually has 21 digits. BIGINT(20) is dangerous. People who use it seem to justify their usage on the idea that 2^64 fits in 20 decimal digits. If that's the case, why specify a width limit at all? As it turns out, that's also not cor...
what is the most efficient way of counting occurrences in pandas?
...n raises a KeyError.
– Newbielp
Feb 21 at 14:34
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@Newbielp, I did this: df[[i for i in column_na...
How can I decompress a gzip stream with zlib?
...gill
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Redis: possible to expire an element in an array or sorted set?
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edited Sep 21 '15 at 15:18
Andres
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Get current time in seconds since the Epoch on Linux, Bash
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1218
This should work:
date +%s
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Format XML string to print friendly XML string
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answered Jul 14 '09 at 6:21
S M KamranS M Kamran
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How to reference the initial commit?
...eliable.
– jbranchaud
Jan 23 '13 at 21:42
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@Treebranch this could happen if you have commits wit...
How to execute ipdb.set_trace() at will while running pytest tests
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answered May 6 '13 at 21:29
petRUShkapetRUShka
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Which is better, number(x) or parseFloat(x)?
...ity') === NaN
– sstur
Aug 18 '14 at 21:51
3
I would not use + (unary plus) for this, because if y...
Creating a new column based on if-elif-else condition
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– Sahil Nagpal
Jun 4 '19 at 17:21
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