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Regex to match any character including new lines
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201
Add the s modifier to your regex to cause . to match newlines:
$string =~ /(START)(.+?)(END)/...
Python pandas Filtering out nan from a data selection of a column of strings
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264
Just drop them:
nms.dropna(thresh=2)
this will drop all rows where there are at least two n...
Loop backwards using indices in Python?
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nerak99
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answered May 15 '09 at 17:20
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Find the host name and port using PSQL commands
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The default PostgreSQL port is 5432. The host that the database is operating on should have been provided by your hosting provider; I'd guess it would be the same host as the web server if one wasn't specified. Typically this would be configured as localhos...
Format decimal for percentage values?
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428
Use the P format string. This will vary by culture:
String.Format("Value: {0:P2}.", 0.8526) //...
Java URL encoding of query string parameters
... "UTF-8".
Note that spaces in query parameters are represented by +, not %20, which is legitimately valid. The %20 is usually to be used to represent spaces in URI itself (the part before the URI-query string separator character ?), not in query string (the part after ?).
Also note that there are t...
Installing MSBuild 4.0 without Visual Studio 2010
I installed .NET 4.0 and VS 2010 RC on my laptop and MSBuild was automatically installed. I was hoping to build a continuous integration server by just installing the .NET SDK without VS 2010, so I downloaded the .NET 4.0 Framework from Microsoft at this link . Unfortunately, it doesn't appear to...
Proxies with Python 'Requests' module
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The proxies' dict syntax is {"protocol":"ip:port", ...}. With it you can specify different (o...