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deleting rows in numpy array
... columns from arrays is the numpy.delete method.
Suppose I have the following array x:
x = array([[1,2,3],
[4,5,6],
[7,8,9]])
To delete the first row, do this:
x = numpy.delete(x, (0), axis=0)
To delete the third column, do this:
x = numpy.delete(x,(2), axis=1)
So you could...
How to best display in Terminal a MySQL SELECT returning too many fields?
I'm using PuTTY to run:
12 Answers
12
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Backbone.js fetch with parameters
Following the documentation , I did:
4 Answers
4
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How to get UTC time in Python?
I've search a bunch on StackExchange for a solution but nothing does quite what I need. In JavaScript, I'm using the following to calculate UTC time since Jan 1st 1970:
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Merge git repo into branch of another repo
Given repo Foo and repo Bar. I want to merge Bar with Foo, but only into a separate branch, called baz .
3 Answers
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How to replace a character with a newline in Emacs?
I am trying to replace a character - say ; - with a new line using replace-string and/or replace-regexp in Emacs.
6 A...
How do I show a Save As dialog in WPF?
I have a requirement in WPF/C# to click on a button, gather some data and then put it in a text file that the user can download to their machine. I can get the first half of this, but how do you prompt a user with a "Save As" dialog box? The file itself will be a simple text file.
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check if variable is dataframe
...
Use isinstance, nothing else:
if isinstance(x, pd.DataFrame):
... # do something
PEP8 says explicitly that isinstance is the preferred way to check types
No: type(x) is pd.DataFrame
No: type(x) == pd.DataFrame
Yes: isin...
What is Prefix.pch file in Xcode?
So many developers are adding various convenience macros to the Prefix.pch . But my question is what is that Prefix.pch file.
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Redirect stdout pipe of child process in Go
I'm writing a program in Go that executes a server like program (also Go). Now I want to have the stdout of the child program in my terminal window where I started the parent program. One way to do this is with the cmd.Output() function, but this prints the stdout only after the process has exited...