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Renaming columns in pandas
...x x
1 x x x x x
2 x x x x x
From v0.25, you can also specify errors='raise' to raise errors if an invalid column-to-rename is specified. See v0.25 rename() docs.
REASSIGN COLUMN HEADERS
Use df.set_axis() with axis=1 and inplace=False (to return a copy).
df2 = df.set_axis(['V', 'W', 'X...
How to save an activity state using save instance state?
I've been working on the Android SDK platform, and it is a little unclear how to save an application's state. So given this minor re-tooling of the 'Hello, Android' example:
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Could not load file or assembly or one of its dependencies
...dll (in my case NativeInterfaces.dll)
You can see one or more dll with the error in red Error opening file...
It means that this dll is missing in your system; in my case the dll name is MSVCR71.DLL
You can download missings dll from google and copy in right path (in my case c:\windows\system32)
A...
How do you find the row count for all your tables in Postgres
I'm looking for a way to find the row count for all my tables in Postgres. I know I can do this one table at a time with:
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filename and line number of python script
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NameError: global name '__file__' is not defined on my Python interpreter: Python 2.7.6 (default, Sep 26 2014, 15:59:23). See stackoverflow.com/questions/9271464/…
– bgoodr
May 5 '17 at 17...
What exactly is Spring Framework for? [closed]
I hear a lot about Spring , people are saying all over the web that Spring is a good framework for web development. What exactly is Spring Framework for?
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Remove columns from dataframe where ALL values are NA
...able(bd)
system.time({df1 <- bd[,colSums(is.na(bd) < nrow(bd))]})
# error -- can't allocate vector of size ...
system.time({df2 <- bd[, !apply(is.na(bd), 2, all)]})
# error -- can't allocate vector of size ...
system.time({df3 <- Filter(function(x)!all(is.na(x)), bd)})
## user system e...
How can I prevent the textarea from stretching beyond his parent DIV element? (google-chrome issue o
How can I prevent the textarea from stretching beyond its parent DIV element?
4 Answers
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Datatables - Search Box outside datatable
...red to be able to call .search on it (if will throw a "function undefined" error otherwise). See: datatables.net/faqs/#api
– Lionel
Mar 30 '15 at 7:28
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Add UIPickerView & a Button in Action sheet - How?
... the contents of an ActionSheet, as it can lead to serious invalid context errors in iOS 7. I just spent a few hours working through this problem and ultimately decided to take a different approach. I replaced the call to show the action sheet with a modal view controller containing a simple tablevi...