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How to determine if a number is a prime with regex?
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119
You said you understand this part, but just to emphasize, the String generated has a length eq...
“ValueError: zero length field name in format” error in Python 3.0,3.1,3.2
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131
I'm gonna guess that you are running python 2.6 by accident somehow.
This feature is only ava...
Is MATLAB OOP slow or am I doing something wrong?
...t; call_nops
Computer: PCWIN Release: 2009b
Calling each function/method 100000 times
nop() function: 0.02261 sec 0.23 usec per call
nop1-5() functions: 0.02182 sec 0.22 usec per call
nop() subfunction: 0.02244 sec 0.22 usec per call
@()[] anonymous f...
Python Matplotlib Y-Axis ticks on Right Side of Plot
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196
Use ax.yaxis.tick_right()
for example:
from matplotlib import pyplot as plt
f = plt.figure(...
What's the difference between `1L` and `1`?
I often seen the symbol 1L (or 2L , 3L , etc) appear in R code. Whats the difference between 1L and 1 ? 1==1L evaluates to TRUE . Why is 1L used in R code?
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Read input from console in Ruby?
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edited Jun 2 '15 at 16:16
Marius Butuc
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Is sizeof(bool) defined in the C++ language standard?
...tation. Does the C++ language standard require sizeof(bool) to always be 1 (for 1 byte), or is this size implementation-defined?
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import module from string variable
...=[''])
then i will refer to matplotlib.text.
In Python 2.7 and Python 3.1 or later, you can use importlib:
import importlib
i = importlib.import_module("matplotlib.text")
Some notes
If you're trying to import something from a sub-folder e.g. ./feature/email.py, the code will look like impor...
setup cron tab to specific time of during weekdays
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177
Same as you did for hours:
*/2 09-18 * * 1-5 /path_to_script
0 and 7 stand for Sunday
6 sta...
How to replace text between quotes in vi
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183
Use ci", which means: change what inside the double quotes.
You can also manipulate other t...