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How can I increment a char?
...ord('c') + 1
100
>>> chr(ord('c') + 1)
'd'
>>>
Python 3.x makes this more organized and interesting, due to its clear distinction between bytes and unicode. By default, a "string" is unicode, so the above works (ord receives Unicode chars and chr produces them).
But if you're i...
How do I draw a grid onto a plot in Python?
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223
You want to use pyplot.grid:
x = numpy.arange(0, 1, 0.05)
y = numpy.power(x, 2)
fig = plt.figu...
Sprintf equivalent in Java
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Dave Jarvis
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answered Sep 5 '08 at 23:06
Eugene YokotaEug...
Create a GUID in Java
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355
Have a look at the UUID class bundled with Java 5 and later.
For example:
If you want a ra...
MySQL ON DUPLICATE KEY UPDATE for multiple rows insert in single query
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3 Answers
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Mocking objects with Moq when constructor has parameters
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34
The last line is giving you a real instance because you are using the new keyword, not mocking ...
Modular multiplicative inverse function in Python
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131
Maybe someone will find this useful (from wikibooks):
def egcd(a, b):
if a == 0:
r...
Else clause on Python while statement
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396
The else clause is only executed when your while condition becomes false. If you break out of...
What is the relationship between the docker host OS and the container base image OS?
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3 Answers
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