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Is REST DELETE really idempotent?
...state of the system after the request has completed
In all cases (apart from the error issues - see below), the account no longer exists.
From here
"Methods can also have the property of
"idempotence" in that (aside from
error or expiration issues) the
side-effects of N > 0 identic...
Where can I learn how to write C code to speed up slow R functions? [closed]
...y efficient) C code one can study, and CRAN has hundreds of packages, some from authors you trust. That provides real, tested examples to study and adapt.
But as Josh suspected, I lean more towards C++ and hence Rcpp. It also has plenty of examples.
Edit: There were two books I found helpful:
T...
Graphviz: How to go from .dot to a graph?
...If graphiz isn't in your path, figure out where it is installed and run it from there.
You can change the output format by varying the value after -T and choosing an appropriate filename extension after -o.
If you're using windows, check out the installed tool called GVEdit, it makes the whole pro...
Spring Boot - inject map from application.yml
...g Boot application with the following application.yml - taken basically from here :
7 Answers
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How do I do a not equal in Django queryset filtering?
...s.
Update: I Just tried it out, it seems to work pretty well:
>>> from myapp.models import Entry
>>> from django.db.models import Q
>>> Entry.objects.filter(~Q(id = 3))
[<Entry: Entry object>, <Entry: Entry object>, <Entry: Entry object>, ...]
...
Remove NA values from a vector
...he subject, see here for a good discussion of some of the issues involved, from the point of view of programmers who were engaged in incorporating R-like NA-handling facilities in Python's excellent NumPy package.)
– Josh O'Brien
Aug 2 '19 at 20:24
...
What is the most efficient way of finding all the factors of a number in Python?
...
from functools import reduce
def factors(n):
return set(reduce(list.__add__,
([i, n//i] for i in range(1, int(n**0.5) + 1) if n % i == 0)))
This will return all of the factors, very quickly, of a n...
How to call asynchronous method from synchronous method in C#?
I have a public async void Foo() method that I want to call from synchronous method. So far all I have seen from MSDN documentation is calling async methods via async methods, but my whole program is not built with async methods.
...
Deleting an element from an array in PHP
Is there an easy way to delete an element from an array using PHP, such that foreach ($array) no longer includes that element?
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Django MEDIA_URL and MEDIA_ROOT
...go 2.1 documentation: Serving files uploaded by a user during development
from django.conf import settings
from django.conf.urls.static import static
urlpatterns = patterns('',
# ... the rest of your URLconf goes here ...
) + static(settings.MEDIA_URL, document_root=settings.MEDIA_ROOT)
You ...