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Use a list of values to select rows from a pandas dataframe [duplicate]
...:
In [1]: df = pd.DataFrame({'A': [5,6,3,4], 'B': [1,2,3,5]})
In [2]: df
Out[2]:
A B
0 5 1
1 6 2
2 3 3
3 4 5
In [3]: df[df['A'].isin([3, 6])]
Out[3]:
A B
1 6 2
2 3 3
And to get the opposite use ~:
In [4]: df[~df['A'].isin([3, 6])]
Out[4]:
A B
0 5 1
3 4 5
...
Convert string to variable name in python [duplicate]
...%s = %d" % (x,2))
After that you can check it by:
print buffalo
As an output you will see:
2
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onclick() and onblur() ordering issue
... automatically re-order based on the priority of these event handlers, without any additional work from me.
Is there any reason why this wouldn't have also worked for you?
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How do I find the authoritative name-server for a domain name?
...omaincontrol is the main name server for stackoverflow.com.
At the end of output all authoritative servers, including backup servers for the given domain, are listed.
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Get size of folder or file
...sult visitFileFailed(Path file, IOException exc) {
System.out.println("skipped: " + file + " (" + exc + ")");
// Skip folders that can't be traversed
return FileVisitResult.CONTINUE;
}
@Override
public FileVisitRes...
Can I use Twitter Bootstrap and jQuery UI at the same time?
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Check out jquery-ui-bootstrap. From the README:
Twitter's Bootstrap was one of my favorite projects to come out of
2011, but having used it regularly it left me wanting two things:
The ability to work side-by-side with ...
Increasing the maximum number of TCP/IP connections in Linux
...lient side:
Increase the ephermal port range, and decrease the tcp_fin_timeout
To find out the default values:
sysctl net.ipv4.ip_local_port_range
sysctl net.ipv4.tcp_fin_timeout
The ephermal port range defines the maximum number of outbound sockets a host can create from a particular I.P. addre...
Make an existing Git branch track a remote branch?
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You can do the following (assuming you are checked out on master and want to push to a remote branch master):
Set up the 'remote' if you don't have it already
git remote add origin ssh://...
Now configure master to know to track:
git config branch.master.remote origin
gi...
Get the IP address of the machine
...
I like jjvainio's answer. As Zan Lnyx says, it uses the local routing table to find the IP address of the ethernet interface that would be used for a connection to a specific external host. By using a connected UDP socket, you can get the information without actually sending any packets....
How do I prompt a user for confirmation in bash script? [duplicate]
...tion (thanks!) and added the -n option to read to accept one character without the need to press Enter. You can use one or both of these.
Also, the negated form might look like this:
read -p "Are you sure? " -n 1 -r
echo # (optional) move to a new line
if [[ ! $REPLY =~ ^[Yy]$ ]]
then
[[ "$0"...