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Converting a Pandas GroupBy output from Series to DataFrame
...tland"] } )
g1 = df1.groupby( [ "Name", "City"] ).count().reset_index()
Now you have your new dataframe in g1:
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When is a Java method name too long? [closed]
...o much in a method class if we need such a long name, however I wanted to know what do you guys think about it.
21 Answers
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How can I tell where mongoDB is storing data? (its not in the default /data/db!)
My host came with a mongodb instance and there is no /db directory so now I am wondering what I can do to find out where the data is actually being stored.
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Set HTML5 doctype with XSLT
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This is now no longer specific just to Saxon but is also supported in the libxslt/xsltproc sources. See the details at the end of stackoverflow.com/questions/3387127/set-html5-doctype-with-xslt/…
– sideshowbar...
Sending message through WhatsApp
...g their phone number saved in your phone's
address book. As long as you know this person’s phone number, you can
create a link that will allow you to start a chat with them.
Use: https://wa.me/15551234567
Don't use: https://wa.me/+001-(555)1234567
Example: https://wa.me/1555123...
Regex (grep) for multi-line search needed [duplicate]
...ine at the end of line, substituting it for null character. That is, grep knows where end of line is, but sees the input as one big line.
-o print only matching. Because we're using -z, the whole file is like a single big line, so if there is a match, the entire file would be printed; this way it w...
How to suppress “unused parameter” warnings in C?
...tatic void UNUSED_FUNCTION(foo)(int bar) { ... }
Note 1):
As far as I know, MSVC doesn't have an equivalent to __attribute__((__unused__)).
Note 2):
The UNUSED macro won't work for arguments which contain parenthesis,so if you have an argument like float (*coords)[3] you can't do,float UNUSED...
How do I obtain the frequencies of each value in an FFT?
...aking a look at FFT stuff and I remembered your answer and just visited it now. Once I got here, I remembered to thank you... so thank you! Whenever I have a debate with someone on interpreting what the each point on the horizontal axis of the FFT is, I just point them to this link.
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How to import a jar in Eclipse
...stall Eclipse or your OS you won't have to rwlink anything except the JDK) Now select the jar files you want. Click OK.
Right click on your project and choose Build Path -> Add Library
FYI just code and then right click and Source->Organize Imports
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Detecting endianness programmatically in a C++ program
... As everyone I have access to C++17 and 20 drafts/proposals, but, as of now, does any C++20 compiler ever exist?
– Xeverous
Oct 29 '17 at 21:35
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