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RESTful Login Failure: Return 401 or Custom Response
...t 401 is the proper response, I'd appreciate some explanation there. I've read the HTTP spec, as you have included here, but that to me does not read as a direct and obvious confirmation of your assertion. Namely, authentication is NOT required to ask about the validity of credentials - yet what y...
MySQL Creating tables with Foreign Keys giving errno: 150
...er set and collation as the corresponding PK column(s).
If there is data already in the Child table, every value in the FK column(s) must match a value in the Parent table PK column(s). Check this with a query like:
SELECT COUNT(*) FROM Child LEFT OUTER JOIN Parent ON Child.FK = Parent.PK
WHERE Pa...
How to reload apache configuration for a site without restarting apache
...
@cs01 Where do you read that the httpd daemon will be restarted? Everything I read on the link provided in the answer says things like apachectl graceful: Gracefully restarts the Apache daemon by sending it a SIGUSR1. If the daemon is not runni...
Converting PKCS#12 certificate into PEM using OpenSSL
...on
with open("push.p12", "rb") as file:
p12 = crypto.load_pkcs12(file.read(), "my_passphrase")
# PEM formatted private key
print crypto.dump_privatekey(crypto.FILETYPE_PEM, p12.get_privatekey())
# PEM formatted certificate
print crypto.dump_certificate(crypto.FILETYPE_PEM, p12.get_certificate...
When to use Common Table Expression (CTE)
I have begun reading about Common Table Expression and cannot think of a use case where I would need to use them. They would seem to be redundant as the same can be done with derived tables. Is there something I am missing or not understanding well? Can someone give me a simple example of limitati...
How do I overload the [] operator in C# [duplicate]
...ue(index);
}
You can also add a set accessor so that the indexer becomes read and write rather than just read-only.
public int this[int index]
{
get => GetValue(index);
set => SetValue(index, value);
}
If you want to index using a different type, you just change the signature of t...
What is better, curl or wget? [closed]
...h CURL, I frequently encounter error 18 - transfer closed with outstanding read data remaining (see stackoverflow.com/questions/1759956/…). This error I mostly get while trying to use it in Perl scripts, but WGET never gives me such issues. Shouldn't this be taken into consideration?
...
Where can I download Jai and Jai-imageio? [closed]
...n and ImageJ, too, but do not know
if and how they give you the ability to read the pixelcolor.
But as long as you can get a BufferedImage in Java you should
be able to do what is needed.
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How to expand a list to function arguments in Python [duplicate]
...
You should use the * operator, like foo(*values) Read the Python doc unpackaging argument lists.
Also, do read this: http://www.saltycrane.com/blog/2008/01/how-to-use-args-and-kwargs-in-python/
def foo(x,y,z):
return "%d, %d, %d" % (x,y,z)
values = [1,2,3]
# the solu...
What is the difference between List and ArrayList? [duplicate]
...rface doesn't implement any methods).
That's called polymorphism. You can read up on it.
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