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How to fix Hibernate LazyInitializationException: failed to lazily initialize a collection of roles,
In the custom AuthenticationProvider from my spring project, I am trying read the list of authorities of the logged user, but I am facing the following error:
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How to remove focus around buttons on click
...other choice. You can also add the .btn:active:focus selector to remove it from the active state too.
– silvenon
Oct 14 '14 at 11:37
48
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How to write the Fibonacci Sequence?
...ne is pretty easy to implement and very, very fast to compute, in Python:
from math import sqrt
def F(n):
return ((1+sqrt(5))**n-(1-sqrt(5))**n)/(2**n*sqrt(5))
An other way to do it is following the definition (from wikipedia):
The first number of the sequence is 0,
the second number is...
Checking for a null int value from a Java ResultSet
In Java I'm trying to test for a null value, from a ResultSet, where the column is being cast to a primitive int type.
1...
What is Ember RunLoop and how does it work?
...pagated, and so on. Obviously, the more changes that need to be propagated from a single event, the longer the RunLoop will take to finish. Here's a (pretty unfair) example of how the RunLoop can get bogged down with propagating changes compared to another framework (Backbone) that doesn't have a ru...
What is the difference between .py and .pyc files? [duplicate]
...torial/modules.html) : "A program doesn’t run any faster when it is read from a .pyc or .pyo file than when it is read from a .py file; the only thing that’s faster about .pyc or .pyo files is the speed with which they are loaded."
– mouad
Oct 12 '10 at 22:...
Django Reverse with arguments '()' and keyword arguments '{}' not found
...for generating activation link and send it via email of course. So i think from tests.py it will be same.
The correct way to do this is following:
from django.test import Client
from django.core.urlresolvers import reverse
#app name - name of the app where the url is defined
client= Client()
resp...
Extracting double-digit months and days from a Python date [duplicate]
Is there a way to extract month and day using isoformats? Lets assume today's date is March 8, 2013.
2 Answers
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How to convert 'binary string' to normal string in Python3?
...de it.
>>> b'a string'.decode('ascii')
'a string'
To get bytes from string, encode it.
>>> 'a string'.encode('ascii')
b'a string'
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What is the behavior of integer division?
... the operands.
and:
5 The result of the / operator is the
quotient from the division of the
first operand by the second; the
result of the % operator is the
remainder. In both operations, if the
value of the second operand is zero,
the behavior is undefined.
[Note: Emphasis mine]...