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Get the length of a String
...characters.
– Cezar
Jun 6 '14 at 13:32
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Execution of Python code with -m option or not
...ijn Pieters♦Martijn Pieters
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enum - getting value of enum on string conversion
...ijn Pieters♦Martijn Pieters
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How to extract numbers from a string in Python?
...:
>>> import re
>>> re.findall(r'\d+', 'hello 42 I\'m a 32 string 30')
['42', '32', '30']
This would also match 42 from bla42bla. If you only want numbers delimited by word boundaries (space, period, comma), you can use \b :
>>> re.findall(r'\b\d+\b', 'he33llo 42 I\'m ...
Creating an empty Pandas DataFrame, then filling it?
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Here's a couple of suggestions:
Use date_range for the index:
import datetime
import pandas as pd
import numpy as np
todays_date = datetime.datetime.now().date()
index = pd.date_range(todays_date-datetime.timedelta(10), periods=10, freq='D')
columns = ['A','B', ...
Preserving signatures of decorated functions
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jfsjfs
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Missing include “bits/c++config.h” when cross compiling 64 bit program on 32 bit in Ubuntu
I am running the 32bit version of Ubuntu 10.10 and trying to cross compile to a 64 bit target. Based on my research, I have installed the g++-multilib package.
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What is the best way to filter a Java Collection?
I want to filter a java.util.Collection based on a predicate.
27 Answers
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How to specialize std::hash::operator() for user-defined type in unordered containers?
...le.
– Brian Gordon
Apr 11 '14 at 11:32
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const vs constexpr on variables
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edited Apr 5 '18 at 0:32
Deqing
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