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Why does Python use 'magic methods'?
...g around with Python recently, and one thing I'm finding a bit odd is the extensive use of 'magic methods', e.g. to make its length available, an object implements a method, def __len__(self) , and then it is called when you write len(obj) .
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Add MIME mapping in web.config for IIS Express
I need to add a new MIME mapping for .woff file extensions to IIS Express.
8 Answers
8...
Default parameter for CancellationToken
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It turns out that the following works:
Task<x> DoStuff(...., CancellationToken ct = default(CancellationToken))
which, according to the documentation, is interpreted the same as CancellationToken.None:
You can also use the C# default(CancellationToken) stateme...
How to find out if a Python object is a string?
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Python 3
In Python 3.x basestring is not available anymore, as str is the sole string type (with the semantics of Python 2.x's unicode).
So the check in Python 3.x is just:
isinstance(obj_to_test, str)
This follows the fix of the official 2to...
Express.js req.body undefined
I have this as configuration of my Express server
35 Answers
35
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How to amend several commits in Git to change author
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mind explaining this a bit more? not sure what filter branch is
– max pleaner
Aug 23 '14 at 19:34
1
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clang error: unknown argument: '-mno-fused-madd' (python package installation failure)
... error by setting the following environment variables prior compilation:
export CFLAGS=-Qunused-arguments
export CPPFLAGS=-Qunused-arguments
Then pip install psycopg2should work.
I had the same when trying to pip install lxml.
Edit: if you are installing as superuser (which will likely be the c...
What does .SD stand for in data.table in R
... like "Subset of Data.table". There's no significance to the initial ".", except that it makes it even more unlikely that there will be a clash with a user-defined column name.
If this is your data.table:
DT = data.table(x=rep(c("a","b","c"),each=2), y=c(1,3), v=1:6)
setkey(DT, y)
DT
# x y v
# ...
Matching a space in regex
I need to match a space character in a PHP regular expression. Anyone got any ideas?
9 Answers
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Django Rest Framework File Upload
...Parser, it's all in the request.
Use a put method instead, you'll find an example in the docs :)
class FileUploadView(views.APIView):
parser_classes = (FileUploadParser,)
def put(self, request, filename, format=None):
file_obj = request.FILES['file']
# do some stuff with up...