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Modular multiplicative inverse function in Python
...meone will find this useful (from wikibooks):
def egcd(a, b):
if a == 0:
return (b, 0, 1)
else:
g, y, x = egcd(b % a, a)
return (g, x - (b // a) * y, y)
def modinv(a, m):
g, x, y = egcd(a, m)
if g != 1:
raise Exception('modular inverse does not exist...
REST response code for invalid data
...
305
400 is the best choice in both cases. If you want to further clarify the error you can either ...
How to expire session due to inactivity in Django?
... now = datetime.now()
if (now - last_activity).minutes > 10:
# Do logout / expire session
# and then...
return HttpResponseRedirect("LOGIN_PAGE_URL")
if not request.is_ajax():
# don't set this for ajax requests or else your
...
Wrapping synchronous code into asynchronous call
...
answered Jan 28 '14 at 14:10
Stephen ClearyStephen Cleary
350k6363 gold badges575575 silver badges700700 bronze badges
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How to set focus on input field?
...
580
When a Modal is opened, set focus on a predefined <input> inside this Modal.
De...
How do I add spacing between columns in Bootstrap?
... |
edited Jun 22 at 20:02
K. W. Cooper
15311 silver badge1010 bronze badges
answered Sep 11 '13 at ...
How do I get the RootViewController from a pushed controller?
...andard way of getting the "back" view controller. The reason objectAtIndex:0 works is because the view controller you're trying to access is also the root one, if you were deeper in the navigation, the back view would not be the same as the root view.
...
I need to pop up and trash away a “middle” commit in my master branch. How can I do it?
...n the following master branch, I need to trash just the commit af5c7bf16e6f04321f966b4231371b21475bc4da, which is the second due to previous rebase:
...
Else clause on Python while statement
... # something went wrong, exit the loop; don't pass go, don't collect 200
break
value = update(value)
else:
# value >= threshold; pass go, collect 200
handle_threshold_reached()
share
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How do I grant myself admin access to a local SQL Server instance?
I installed SQL Server 2008 R2 to my local machine. But, I can't create a new database because of rights (or lack of).
6 An...