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Django Rest Framework File Upload
... 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 uploaded file
return Response(status=204)
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Proper way to wait for one function to finish before continuing?
... work like this is to use a callback function, eg:
function firstFunction(_callback){
// do some asynchronous work
// and when the asynchronous stuff is complete
_callback();
}
function secondFunction(){
// call first function and pass in a callback function which
// first ...
Moving average or running mean
...ode below works great.
mylist = [1, 2, 3, 4, 5, 6, 7]
N = 3
cumsum, moving_aves = [0], []
for i, x in enumerate(mylist, 1):
cumsum.append(cumsum[i-1] + x)
if i>=N:
moving_ave = (cumsum[i] - cumsum[i-N])/N
#can do stuff with moving_ave here
moving_aves.append(movi...
Best way to combine two or more byte arrays in C#
I have 3 byte arrays in C# that I need to combine into one. What would be the most efficient method to complete this task?
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Creating a config file in PHP
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@Luka You can use var_export function.
– Hasan Bayat
Sep 30 '17 at 12:25
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Determine if running on a rooted device
My app has a certain piece of functionality that will only work on a device where root is available. Rather than having this feature fail when it is used (and then show an appropriate error message to the user), I'd prefer an ability to silently check if root is available first, and if not,hide the ...
What's the best practice for primary keys in tables?
When designing tables, I've developed a habit of having one column that is unique and that I make the primary key. This is achieved in three ways depending on requirements:
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How to find the nearest parent of a Git branch?
Let's say I have the following local repository with a commit tree like this:
20 Answers
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Reshape three column data frame to matrix (“long” to “wide” format) [duplicate]
I have a data.frame that looks like this.
6 Answers
6
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Ruby class instance variable vs. class variable
I read " When do Ruby instance variables get set? " but I'm of two minds when to use class instance variables.
7 Answers
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