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Why is using the rails default_scope often recommend against?
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nahankidnahankid
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event Action vs event EventHandler
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Stacy DudovitzStacy Dudovitz
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Convert columns to string in Pandas
... to string instead of just single column:
In [76]: import numpy as np
In [77]: import pandas as pd
In [78]: df = pd.DataFrame({
...: 'A': [20, 30.0, np.nan],
...: 'B': ["a45a", "a3", "b1"],
...: 'C': [10, 5, np.nan]})
...:
In [79]: df.dtypes ## Current datatype
Out[79]...
What is the global interpreter lock (GIL) in CPython?
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Jon SkeetJon Skeet
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How can HTML5 “replace” Flash? [closed]
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NickolayNickolay
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MIT vs GPL license [closed]
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tcurdttcurdt
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What does 'require: false' in Gemfile mean?
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Rob Di MarcoRob Di Marco
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Null vs. False vs. 0 in PHP
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gcbgcb
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Drawing an SVG file on a HTML5 canvas
...t38cMRo5WruFvfL9FqpyRxQhj0qLOax5I2S08+Tu/lFiGUGOPormxwuyfMnjrGrJa88uIixeYWl776lmrzNjmw8vcG8sU7ixpHMXFsCUVg9tABjEvRgzP82j7AhbyiX5Qcv2+Bvy7dYGZ1k7efeQB/Y4PBqGBtdYvb3SFzLcfqToZc/OB1zYeBSpUwLBlvjZidmWaSB1yaYOfn6LqI/r0hyU6P+cRSlhXjbEI2zvnt7y79oqQ3qeg4g6vKjCIXehtDmi6m0UnxVnCRkPUHVNt9qkLJxgXOCYNOg34v48raPa...
What is the fastest/most efficient way to find the highest set bit (msb) in an integer in C?
...t; 8;
v |= v >> 16;
v = (v >> 1) + 1;
return pos[(v * 0x077CB531UL) >> 27];
}
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