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How to append multiple values to a list in Python
...ny other thing that provides a sequence of values.
>>> lst = [1, 2]
>>> lst.append(3)
>>> lst.append(4)
>>> lst
[1, 2, 3, 4]
>>> lst.extend([5, 6, 7])
>>> lst.extend((8, 9, 10))
>>> lst
[1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
>>> lst...
Collapse sequences of white space into a single character and trim string
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125
OS X 10.7+ and iOS 3.2+
Use the native regexp solution provided by hfossli.
Otherwise
Either...
How can I format a nullable DateTime with ToString()?
How can I convert the nullable DateTime dt2 to a formatted string?
20 Answers
20
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Returning first x items from array
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274
array_slice returns a slice of an array
$sliced_array = array_slice($array, 0, 5)
is the co...
Scatter plot and Color mapping in Python
...are setting the color based on the index, t, which is just an array of [1, 2, ..., 100].
Perhaps an easier-to-understand example is the slightly simpler
import numpy as np
import matplotlib.pyplot as plt
x = np.arange(100)
y = x
t = x
plt.scatter(x, y, c=t)
plt.show()
Note that the array you...
How do I use raw_input in Python 3
... raw_input to "freeze" the dos pop-up. The book I'm reading is for Python 2.5 and I'm using Python 3.1
8 Answers
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Removing multiple files from a Git repo that have already been deleted from disk
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29 Answers
29
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how do you push only some of your local git commits?
Suppose I have 5 local commits. I want to push only 2 of them to a centralized repo (using an SVN-style workflow). How do I do this?
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Reason for Column is invalid in the select list because it is not contained in either an aggregate f
...pose I have the following table T:
a b
--------
1 abc
1 def
1 ghi
2 jkl
2 mno
2 pqr
And I do the following query:
SELECT a, b
FROM T
GROUP BY a
The output should have two rows, one row where a=1 and a second row where a=2.
But what should the value of b show on each of these two...