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How to insert element into arrays at specific position?
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214
array_slice() can be used to extract parts of the array, and the union array operator (+) can re...
Why does the C# compiler go mad on this nested LINQ query?
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40
I believe that it's related to type inference and/or lambda generation (when type inference has...
Running a cron job at 2:30 AM everyday
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541
crontab -e
add:
30 2 * * * /your/command
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JdbcTemplate queryForInt/Long is deprecated in Spring 3.2.2. What should it be replaced by?
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answered Apr 5 '13 at 16:40
Gabriel BelingueresGabriel Belingueres
2,75111 gold badge1919 silver badges2929 bronze badges
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Javascript Split string on UpperCase Characters
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4 Answers
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How to store CGRect values in NSMutableArray?
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4 Answers
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How can I create a Set of Sets in Python?
...m the following list of lists:
t = [[], [1, 2], [5], [1, 2, 5], [1, 2, 3, 4], [1, 2, 3, 6]]
you can create your set in the following way:
t1 = set(frozenset(i) for i in t)
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Fill between two vertical lines in matplotlib
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For example, let's use axvspan to highlight the x-region between 8 and 14:
import matplotlib.pyplot as plt
fig, ax = plt.subplots()
ax.plot(range(20))
ax.axvspan(8, 14, alpha=0.5, color='red')
plt.show()
You could use fill_betweenx to do this, but the extents (both x and y) of the rectangl...
How to check if field is null or empty in MySQL?
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194
Either use
SELECT IF(field1 IS NULL or field1 = '', 'empty', field1) as field1
from tablename
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