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Change column type from string to float in Pandas
...options for converting types in pandas:
to_numeric() - provides functionality to safely convert non-numeric types (e.g. strings) to a suitable numeric type. (See also to_datetime() and to_timedelta().)
astype() - convert (almost) any type to (almost) any other type (even if it's not necessarily se...
How to do a logical OR operation in shell scripting
I am trying to do a simple condition check, but it doesn't seem to work.
8 Answers
8
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How to extract filename.tar.gz file
...SIX tar archive,
the archive is a tar, not a GZip archive.
Unpack a tar without the z, it is for gzipped (compressed), only:
mv filename.tar.gz filename.tar # optional
tar xvf filename.tar
Or try a generic Unpacker like unp (https://packages.qa.debian.org/u/unp.html), a script for unpacking a w...
Python code to remove HTML tags from a string [duplicate]
...nr, '', raw_html)
return cleantext
Some HTML texts can also contain entities, that are not enclosed in brackets such as '&nsbm'. If that is the case then you might want to write the regex as
cleanr = re.compile('<.*?>|&([a-z0-9]+|#[0-9]{1,6}|#x[0-9a-f]{1,6});')
This link contain...
How to invoke the super constructor in Python?
In all other languages I've worked with the super constructor is invoked implicitly. How does one invoke it in Python? I would expect super(self) but this doesn't work.
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I don't understand -Wl,-rpath -Wl,
...follow
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edited Mar 1 '18 at 12:51
answered Jul 3 '11 at 10:47
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HTML5 Local Storage fallback solutions [closed]
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I use PersistJS (github repository), which handles client-side storage seamlessly and transparently to your code. You use a single API and get support for the following backends:
flash: Flash 8 persistent storage.
gears: Google Gears-based...
insert multiple rows via a php array into mysql
...aset into a MySQL table via PHP using insert commands and I'm wondering if its possible to insert approximately 1000 rows at a time via a query other than appending each value on the end of a mile long string and then executing it. I am using the CodeIgniter framework so its functions are also avail...
What is the difference between a “function” and a “procedure”?
...nd a procedure just executes commands.
The name function comes from math. It is used to calculate a value based on input.
A procedure is a set of command which can be executed in order.
In most programming languages, even functions can have a set of commands. Hence the difference is only in the r...
Parse a .py file, read the AST, modify it, then write back the modified source code
I want to programmatically edit python source code. Basically I want to read a .py file, generate the AST , and then write back the modified python source code (i.e. another .py file).
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