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What is cardinality in MySQL?
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answered Apr 2 '10 at 10:55
Alexander TorstlingAlexander Torstling
16k66 gold badges5454 silver badges6868 bronze badges
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How to update a plot in matplotlib?
...tion:
import matplotlib.pyplot as plt
import numpy as np
x = np.linspace(0, 6*np.pi, 100)
y = np.sin(x)
# You probably won't need this if you're embedding things in a tkinter plot...
plt.ion()
fig = plt.figure()
ax = fig.add_subplot(111)
line1, = ax.plot(x, y, 'r-') # Returns a tuple of line obj...
How to remove certain characters from a string in C++?
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140
string str("(555) 555-5555");
char chars[] = "()-";
for (unsigned int i = 0; i < s...
Change date format in a Java string
... a String in a certain pattern into a LocalDateTime.
String oldstring = "2011-01-18 00:00:00.0";
LocalDateTime datetime = LocalDateTime.parse(oldstring, DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss.S"));
Use LocalDateTime#format() (or ZonedDateTime#format()) to format a LocalDateTime into a S...
HTML5 dragleave fired when hovering a child element
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350
You just need to keep a reference counter, increment it when you get a dragenter, decrement when...
IOS: create a UIImage or UIImageView with rounded corners
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Gustavo Barbosa
1,31011 gold badge1717 silver badges2727 bronze badges
answered Oct 9 '11 at 19:20
yinkouyinkou
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All combinations of a list of lists
...:
>>> import itertools
>>> a = [[1,2,3],[4,5,6],[7,8,9,10]]
>>> list(itertools.product(*a))
[(1, 4, 7), (1, 4, 8), (1, 4, 9), (1, 4, 10), (1, 5, 7), (1, 5, 8), (1, 5, 9), (1, 5, 10), (1, 6, 7), (1, 6, 8), (1, 6, 9), (1, 6, 10), (2, 4, 7), (2, 4, 8), (2, 4, 9), (2, 4, 10),...
Find kth smallest element in a binary search tree in Optimum way
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answered Feb 24 '10 at 20:27
IVladIVlad
40.6k1111 gold badges9797 silver badges169169 bronze badges
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Disable a group of tests in rspec?
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Yaro Holodiuk
50866 silver badges1414 bronze badges
answered Oct 4 '12 at 4:03
PyroPyro
1,841...