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What does axis in pandas mean?
...ified to reduce this confusion. I'd do it myself if I could, but for right now, I only know how to use them. I do understand which axis to use to get the data I want. However confusion remains as to why mean() and drop() feel like they affect opposing axes.
– matty
...
Multiple INSERT statements vs. single INSERT with multiple VALUES
...d to be called the normalization stage of query processing
This stage is now called binding or algebrizing and it takes the expression parse tree output from the previous parse stage and outputs an algebrized expression tree (query processor tree) to go forward to optimization (trivial plan optimi...
Copy a stream to avoid “stream has already been operated upon or closed”
...what happens when the two pipelines don't consume data at the same rate." Now you're back to buffering anyway. This was a feature that clearly didn't carry its weight.
If you want to operate on the same data repeatedly, either store it, or structure your operations as Consumers and do the follo...
Sending POST data in Android
...ant to pass with the POST request to as name-value pairs
//Now we put those sending details to an ArrayList with type safe of NameValuePair
List<NameValuePair> nameValuePairList = new ArrayList<NameValuePair>();
nameValuePairList.add(userna...
Convert line-endings for whole directory tree (Git)
...ust used this to convert a whole bunch of files quickly and painlessly and now I can add them to the staging area in Git. On OSX 10.9.5, and not sure where the files were created.
– ryanwc
Dec 29 '15 at 12:52
...
Capturing Groups From a Grep RegEx
... use grep multiple times within a pipeline to first reduce your line to a known format, and then to extract just the bit you want. (Although tools like cut and sed are far better at this).
Suppose for the sake of argument that your pattern was a bit simpler: [0-9]+_([a-z]+)_ You could extract this ...
Best way to parse command-line parameters? [closed]
...le -> string), list.tail)
case option :: tail => println("Unknown option "+option)
exit(1)
}
}
val options = nextOption(Map(),arglist)
println(options)
}
}
will print, for example:
Map('infile -> test/data/paml-aln1.phy, 'maxsi...
Why is i++ not atomic?
...
The first word of the question is "why". As of now, this is the only answer to address the issue of "why". The other answers really just re-state the question. So +1.
– Dawood ibn Kareem
Aug 7 '14 at 1:44
...
REST API Token-based Authentication
...blems are already solved for you. For example, with BaseAuth, user agents know the password is a password so they don't cache it.
Auth server load
If you dispense a token to the user instead of caching the authentication on your server, you are still doing the same thing: Caching authentication in...
Best way to center a on a page vertically and horizontally? [duplicate]
...
Excellent! I did not even know bottom: and right: existed in css...
– Louis van Tonder
Jun 14 '17 at 10:29
...