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pandas DataFrame: replace nan values with average of columns
...7
8 1.948430 1.025011 -2.982224
9 0.019698 -0.795876 -0.046431
The docstring of fillna says that value should be a scalar or a dict, however, it seems to work with a Series as well. If you want to pass a dict, you could use df.mean().to_dict().
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Use grep --exclude/--include syntax to not grep through certain files
I'm looking for the string foo= in text files in a directory tree. It's on a common Linux machine, I have bash shell:
22 ...
What is the purpose of flush() in Java streams?
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If the buffer is full, all strings that is buffered on it, they will be saved onto the disk. Buffers is used for avoiding from Big Deals! and overhead.
In BufferedWriter class that is placed in java libs, there is a one line like:
private static int ...
How to capture the browser window close event?
...wasn't working as is, since the onbeforeunload returnValue is parsed as a string and then displayed in the confirmations box of the browser. So the value true was displayed, like "true".
Just using return worked.
Here is my code
var preventUnloadPrompt;
var messageBeforeUnload = "my message her...
How to make an unaware datetime timezone aware in python
...ight you, instead of using timezone.utc, provide a different timezone as a string (eg "America/Chicago")?
– bumpkin
Sep 26 '17 at 18:36
2
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How to find my Subversion server version number?
...a browser.
Access the repository via browser and then look for the version string embedded in the HTML source. From earlier answers by elviejo and jaredjacobs. Similarly, from ??, use your browser's developer tools (usually Ctrl + Shift + I) to read the full response. This is also the easiest (non-a...
Compare two MySQL databases [closed]
...ame job(except the output is mixed with comment, and special characters in string are not escaped).
– schemacs
Oct 27 '12 at 11:08
4
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MySQL OPTIMIZE all tables?
... optimising 1 table at a time. You should implode the table names into one string and hence only one optimize table query is required.
– Dean Marshall
Apr 14 '12 at 11:23
8
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What is the use of making constructor private in a class?
... tool for this is declaring the class final. This is what Sun did for the String class, and a reasonable chunk of the API that should not be extended.
– BobMcGee
Jan 15 '10 at 16:08
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How can I quickly sum all numbers in a file?
...hat shows a deep understanding on what code -nle actually wraps around the string you give it. My initial thought was that you shouldn't post while intoxicated but then I noticed who you were and remembered some of your other Perl answers :-)
– paxdiablo
Apr 23...