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What is the best (idiomatic) way to check the type of a Python variable? [duplicate]
...if isinstance(x, basestring):
return [x]
else:
return None
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Java generics - why is “extends T” allowed but not “implements T”?
... 'super' - that is, is this class to operate with assignable to that other one (extends), or is this class assignable from that one (super).
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How to set Oracle's Java as the default Java in Ubuntu?
...ttention to the asterisk before the numbers on the left and if the correct one is not set choose the correct one by typing the number of it and pressing enter.
now test your java:
$ java -version
if you get something like the following, you are good to go:
java version "1.8.0_05"
Java(TM) SE Run...
Difference between Hashing a Password and Encrypting it
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Hashing is a one way function (well, a mapping). It's irreversible, you apply the secure hash algorithm and you cannot get the original string back. The most you can do is to generate what's called "a collision", that is, finding a differ...
Your branch is ahead of 'origin/master' by 3 commits
...s like:
In a good workflow your remote copy of master should be the good one while your local copy of master is just a copy of the one in remote. Using this workflow you'll never get this message again.
If you work in another way and your local changes should be pushed
then just git push origin as...
Joining two lists together
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No one's really gone into when to use which method. AddRange edits a list in place, adding the second list to it (as if you called .Add(foo) a bunch of times). The Concat and Union extension methods don't change the original lis...
Storing money in a decimal column - what precision and scale?
I'm using a decimal column to store money values on a database, and today I was wondering what precision and scale to use.
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How to elegantly check if a number is within a range?
... I think this is the most solid solution but not that elegantly the questioner looking for, isn't ?
– Kevin Simple
May 27 '15 at 4:40
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How do I log a Python error with debug information?
...e error message.
For example:
import logging
try:
1/0
except ZeroDivisionError:
logging.exception("message")
Output:
ERROR:root:message
Traceback (most recent call last):
File "<stdin>", line 2, in <module>
ZeroDivisionError: integer division or modulo by zero
@Paulo Cheque n...
What is the difference between localStorage, sessionStorage, session and cookies?
...of localStorage, sessionStorage, session and cookies, and when would I use one over the other?
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