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How to randomize (or permute) a dataframe rowwise and columnwise?
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edited Apr 9 '17 at 5:37
Eric Leschinski
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UITableView with fixed section headers
...ither.
– yudun1989
Jun 10 '14 at 14:52
8
There's a couple possible explanations for this. One imp...
Convert array of integers to comma-separated string
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5 Answers
5
Active
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Google Authenticator implementation in Python
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153
I wanted to set a bounty on my question, but I have succeeded in creating solution. My problem ...
How do I show a MySQL warning that just happened?
... go!
– Matt Klein
Jul 18 '13 at 17:35
1
It still exists: dev.mysql.com/doc/refman/5.7/en/mysql-co...
R apply function with multiple parameters
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answered Jul 26 '11 at 8:53
Ari B. FriedmanAri B. Friedman
64.3k3131 gold badges164164 silver badges225225 bronze badges
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Matplotlib scatter plot with different text at each data point
...but you could use annotate() while iterating over the values in n.
y = [2.56422, 3.77284, 3.52623, 3.51468, 3.02199]
z = [0.15, 0.3, 0.45, 0.6, 0.75]
n = [58, 651, 393, 203, 123]
fig, ax = plt.subplots()
ax.scatter(z, y)
for i, txt in enumerate(n):
ax.annotate(txt, (z[i], y[i]))
There are a...
MySQL: Set user variable from result of query
...you need to move the variable assignment into the query:
SET @user := 123456;
SELECT @group := `group` FROM user WHERE user = @user;
SELECT * FROM user WHERE `group` = @group;
Test case:
CREATE TABLE user (`user` int, `group` int);
INSERT INTO user VALUES (123456, 5);
INSERT INTO user VALUES (11...