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How to get position of a certain element in strings vector, to use it as an index in ints vector?
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Convert a float64 to an int in Go
...3 0 1 2 2
RoundU: -1 -2 -2 0 2 3 3
Here's the code in the playground - https://play.golang.org/p/HmFfM6Grqh
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Do regular expressions from the re module support word boundaries (\b)?
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Python documentation
https://docs.python.org/2/library/re.html#regular-expression-syntax
\b
Matches the empty string, but only at the beginning or end of a word. A word is defined as a sequence of alphanumeric or underscore characters, so the en...
Beginner's guide to ElasticSearch [closed]
...erred over to the Elastic blog, and can be found by filtering on my name: https://www.elastic.co/blog/author/zachary-tong
To be perfectly honest, the best source of beginner knowledge is now Elasticsearch - The Definitive Guide written by myself and Clinton Gormley.
It assumes zero search engin...
RegEx to make sure that the string contains at least one lower case char, upper case char, digit and
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Add column with number of days between dates in DataFrame pandas
...days' text element, you can also make use of the dt() accessor for series: https://pandas.pydata.org/pandas-docs/stable/generated/pandas.Series.dt.html
So,
df[['A','B']] = df[['A','B']].apply(pd.to_datetime) #if conversion required
df['C'] = (df['B'] - df['A']).dt.days
which returns:
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Can I call an overloaded constructor from another constructor of the same class in C#?
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Enable access control on simple HTTP server
...ver.py too.
Python 3 solution
Python 3 uses SimpleHTTPRequestHandler and HTTPServer from the http.server module to run the server:
#!/usr/bin/env python3
from http.server import HTTPServer, SimpleHTTPRequestHandler, test
import sys
class CORSRequestHandler (SimpleHTTPRequestHandler):
def end...
cmake and libpthread
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How to get CSS to select ID that begins with a string (not in Javascript)?
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