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Adding a legend to PyPlot in Matplotlib in the simplest manner possible
...):
import numpy as np
import matplotlib.pyplot as plt
x = np.linspace(0, 20, 1000)
y1 = np.sin(x)
y2 = np.cos(x)
plt.plot(x, y1, "-b", label="sine")
plt.plot(x, y2, "-r", label="cosine")
plt.legend(loc="upper left")
plt.ylim(-1.5, 2.0)
plt.show()
Slightly modified from this tutorial: http://ja...
conditional unique constraint
...Status = 1 and Count > 0.
http://msdn.microsoft.com/en-us/library/ms188258.aspx
CREATE TABLE CheckConstraint
(
Id TINYINT,
Name VARCHAR(50),
RecordStatus TINYINT
)
GO
CREATE FUNCTION CheckActiveCount(
@Id INT
) RETURNS INT AS BEGIN
DECLARE @ret INT;
SELECT @ret = COUNT(*) FROM Che...
How to extract img src, title and alt from html using php? [duplicate]
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204
EDIT : now that I know better
Using regexp to solve this kind of problem is a bad idea and wi...
Python 2.7: Print to File
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If you want to use the print function in Python 2, you have to import from __future__:
from __future__ import print_function
But you can have the same effect without using the function, too:
print >>f1, 'This is a test'
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Unable to execute dex: Multiple dex files define Lcom/myapp/R$array;
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Changing user agent on urllib2.urlopen
...I download a webpage with a user agent other than the default one on urllib2.urlopen?
9 Answers
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Eclipse: Enable autocomplete / content assist
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edited Oct 20 '19 at 8:05
Saeed
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a...
How do I concatenate two arrays in C#?
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23 Answers
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Algorithm to get the excel-like column name of a number
... 1 == B, etc)...
function getNameFromNumber($num) {
$numeric = $num % 26;
$letter = chr(65 + $numeric);
$num2 = intval($num / 26);
if ($num2 > 0) {
return getNameFromNumber($num2 - 1) . $letter;
} else {
return $letter;
}
}
And if you want it one indexed...
How to convert an array of strings to an array of floats in numpy?
...e's a better way. Use astype().
import numpy as np
x = np.array(['1.1', '2.2', '3.3'])
y = x.astype(np.float)
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