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What is the difference between BIT and TINYINT in MySQL?
...t Gamble
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10
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python pandas: apply a function with arguments to a series
...t;>> add_3 = functools.partial(operator.add,3)
>>> add_3(2)
5
>>> add_3(7)
10
You can also pass keyword arguments using partial.
Another way would be to create a lambda:
my_series.apply((lambda x: your_func(a,b,c,d,...,x)))
But I think using partial is better.
...
How to create a colored 1x1 UIImage on the iPhone dynamically?
...
Wanbok Choi
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answered Jun 14 '09 at 16:31
Matt StevensMatt ...
Operation on every pair of element in a list
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Ben BlankBen Blank
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How to sort a dataFrame in python pandas by two or more columns?
..., False])
For example:
In [11]: df1 = pd.DataFrame(np.random.randint(1, 5, (10,2)), columns=['a','b'])
In [12]: df1.sort(['a', 'b'], ascending=[True, False])
Out[12]:
a b
2 1 4
7 1 3
1 1 2
3 1 2
4 3 2
6 4 4
0 4 3
9 4 3
5 4 1
8 4 1
As commented by @renadeen
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How to put individual tags for a scatter plot
...ter(
data[:, 0], data[:, 1], marker='o', c=data[:, 2], s=data[:, 3] * 1500,
cmap=plt.get_cmap('Spectral'))
for label, x, y in zip(labels, data[:, 0], data[:, 1]):
plt.annotate(
label,
xy=(x, y), xytext=(-20, 20),
textcoords='offset points', ha='right', va='bottom...
Zero-pad digits in string
...
Gras Double
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answered Nov 27 '08 at 17:59
Konrad RudolphKonrad Rudolph
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What does the “|” (single pipe) do in JavaScript?
Why does 0.5 | 0 return zero, but any integer (including negative) returns the input integer? What does the single pipe ("|") do?
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How to take column-slices of dataframe in pandas
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252
2017 Answer - pandas 0.20: .ix is deprecated. Use .loc
See the deprecation in the docs
.loc u...