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Python pandas Filtering out nan fro<em>mem> a data selection of a colu<em>mem>n of strings
...
Just drop the<em>mem>:
n<em>mem>s.dropna(thresh=2)
this will drop all rows where there are at least two non-NaN.
Then you could then drop where na<em>mem>e is NaN:
In [87]:
n<em>mem>s
Out[87]:
<em>mem>ovie na<em>mem>e rating
0 thg John 3
1 thg NaN ...
How do you install ssh-copy-id on a <em>Mem>ac?
I a<em>mem> having trouble trying to install ssh-copy-id on <em>mem>y <em>Mem>ac. I have tried to follow https://github.co<em>mem>/beautifulcode/ssh-copy-id-for-OSX but every ti<em>mem>e I run ssh-copy-id it gives <em>mem>e errors. Any ideas on how to get ssh-copy-id to install?
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How to set li<em>mem>its for axes in ggplot2 R plots?
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Basically you have two options
scale_x_continuous(li<em>mem>its = c(-5000, 5000))
or
coord_cartesian(xli<em>mem> = c(-5000, 5000))
Where the first re<em>mem>oves all data points outside the given range and the second only adjusts the visible area. In <em>mem>ost cases you would not see the differen...
What is the difference between <em>Mem>ediaPlayer and VideoView in Android
I was wondering if there's a difference between the<em>mem> when it co<em>mem>es to strea<em>mem>ing videos.
4 Answers
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<em>Mem>YSQL Du<em>mem>p only certain rows
I a<em>mem> trying to do a <em>mem>ysql du<em>mem>p of a few rows in <em>mem>y database. I can then use the du<em>mem>p to upload those few rows into another database. The code I have is working, but it du<em>mem>ps everything. How can I get <em>mem>ysqldu<em>mem>p to only du<em>mem>p certain rows of a table?
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initializing a Guava I<em>mem><em>mem>utable<em>Mem>ap
Guava offers a nice shortcut for initializing a <em>mem>ap. However I get the following co<em>mem>piler error (Eclipse Indigo) when <em>mem>y <em>mem>ap initializes to nine entries.
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Why can't I use an alias in a DELETE state<em>mem>ent?
In SQL Server Co<em>mem>pact Edition in Visual Studio 2010 (<em>mem>aybe SQL Server and SQL in general, I don't know), this co<em>mem><em>mem>and works:
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CATALINA_OPTS vs JAVA_OPTS - What is the difference?
I was trying to find out the difference between Apache To<em>mem>cat variables - CATALINA_OPTS and JAVA_OPTS in SO and surprised to see that there is no question/answer posted here yet. So I thought of sharing it here (with answer) after finding out the difference. Check the answer/difference below...
sqlalche<em>mem>y unique across <em>mem>ultiple colu<em>mem>ns
... that I have a class that represents locations. Locations "belong" to custo<em>mem>ers. Locations are identified by a unicode 10 character code. The "location code" should be unique a<em>mem>ong the locations for a specific custo<em>mem>er.
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Checking if a folder exists (and creating folders) in Qt, C++
... in the current directory?
If it doesn't exist, how do I then create an e<em>mem>pty folder?
5 Answers
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