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How to select rows with one or more nulls from a pandas DataFrame without listing columns explicitly
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Alternatives to JavaScript
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Spider appeared in 2016. It claims to take the best ideas of Go, Swift, Python, C# and CoffeeScript. It isn't typesafe, but it does have some minor safety features.
Elm: Haskell may be the smartest language of them all, and Elm is a variant of Haskell for Javascript. It is highly type-aware and...
What are sessions? How do they work?
I am just beginning to start learning web application development, using python. I am coming across the terms 'cookies' and 'sessions'. I understand cookies in that they store some info in a key value pair on the browser. But I have a little confusion regarding sessions, in a session too we store da...
Which version of the git file will be finally used: LOCAL, BASE or REMOTE?
...ay merge mode, command line syntax is a bit arcane, and such. If you speak python and have some time on your hands - you know what to do.
Edit:
In newer versions of Meld, the synax has changed slightly. This was in the comments, but it belongs in the answer.
The meld command now uses the --output ...
git shallow clone (clone --depth) misses remote branches
...tes/origin/debian
remotes/origin/master
remotes/origin/python_codegen
Shallow clones
Due to the shallow-description in the technical documentation, a "git-clone --depth 20 repo [...] result[s in] commit chains with a length of at most 20." A shallow clone therefore should co...
Django Cookies, how can I set them?
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A more pythonic way would be to call request.COOKIES.get('cookie_name')
– Charlesthk
Jun 13 '16 at 6:41
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Submitting HTML form using Jquery AJAX
...ING/UPSERTING DATA, and DELETING DATA. A default HTML/ASP.Net webform/PHP/Python or any other form action is to "submit" which is a POST action. Because of this the below will all describe doing a POST. Sometimes however with http you might want a different action and would likely want to utiliti...
What are the differences between vector and list data types in R?
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As someone who's just gotten into R, but comes from a C/Java/Ruby/PHP/Python background, here's how I think of it.
A list is really an array + a hashmap. It's a PHP associative array.
> foo = list(bar='baz')
> foo[1]
'baz'
> foo$bar
'baz'
> foo[['bar']]
'baz'
A vector is a fixed...
How to read a single char from the console in Java (as the user types it)?
...nge modes.
Now, with respect to Java... see Non blocking console input in Python and Java. Excerpt:
If your program must be console based,
you have to switch your terminal out
of line mode into character mode, and
remember to restore it before your
program quits. There is no portable
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Include intermediary (through model) in responses in Django Rest Framework
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