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Why does comparing strings using either '==' or 'is' sometimes produce a different result?
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584
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Java NIO FileChannel versus FileOutputstream performance / usefulness
... level, also many times the FileChannel way is slower. Can I please know more details comparing these two methods. Here is the code I used, the file that I am testing with is around 350MB . Is it a good option to use NIO based classes for File I/O, if I am not looking at random access or other su...
What is the difference between a symbolic link and a hard link?
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478
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Pointers in Python?
... also supposed to set the entry in form.data, then the wrapper must become more complex indeed, and not all that useless:
class MciWrap(object):
def __init__(self, data, k):
self._data = data
self._k = k
@property
def value(self):
return self._data[self._k]
@value.s...
How do I auto-reload a Chrome extension I'm developing?
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58
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Replacement for “rename” in dplyr
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Could you explain the syntax? That's more important than the command. I'm using rename(TheDataFrame,OldVarName=NewVarName) but I get Error: Unknown variables: NewVarName. and I don't understand why.
– s_a
Dec 5 '14 at 16:06...
Javascript roundoff number to nearest 0.5
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Here's a more generic solution that may be useful to you:
function round(value, step) {
step || (step = 1.0);
var inv = 1.0 / step;
return Math.round(value * inv) / inv;
}
round(2.74, 0.1) = 2.7
round(2.74, 0.25) = 2.7...
How can I implement a tree in Python?
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112
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Get the current year in JavaScript
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The footer example above would be more clear if it were just: <footer> <span id="year"></span> </footer>
– Mike
Jun 1 '19 at 3:38
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Changing the “tick frequency” on x or y axis in matplotlib?
...s to a sensible number of significant digits. However, if you wish to have more control over the format, you can define your own formatter. For example,
ax.xaxis.set_major_formatter(ticker.FormatStrFormatter('%0.1f'))
Here's a runnable example:
import numpy as np
import matplotlib.pyplot as plt
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