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Scala list concatenation, ::: vs ++
... it good that one has both List idiomatic operations (like :: and :::) and more general operation that are common to other collections. I wouldn't drop either operation from the language.
– Giorgio
Oct 29 '12 at 11:00
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IllegalArgumentException or NullPointerException for a null parameter? [closed]
...en null is used inappropriately. In contrast, the IAE JavaDoc couldn't be more clear: "Thrown to indicate that a method has been passed an illegal or inappropriate argument." Yup, that's you!
Second, when you see an NPE in a stack trace, what do you assume? Probably that someone dereferenced a n...
“Submit is not a function” error in JavaScript
... JavaScript, but an error ".submit is not a function" shown. See below for more details of the code:
14 Answers
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Find string between two substrings [duplicate]
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How can I represent an 'Enum' in Python?
...o been backported to 3.3, 3.2, 3.1, 2.7, 2.6, 2.5, and 2.4 on pypi.
For more advanced Enum techniques try the aenum library (2.7, 3.3+, same author as enum34. Code is not perfectly compatible between py2 and py3, e.g. you'll need __order__ in python 2).
To use enum34, do $ pip install enum34
To...
Reset push notification settings for app
...ut actually waiting a
day by setting the system clock
forward a day or more, turning the
device off completely, then turning
the device back on.
Update: As noted in the comments below, this solution stopped working since iOS 5.1. I would encourage filing a bug with Apple so they can update...
node.js require all files in a folder?
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Best way for a 'forgot password' implementation? [closed]
...able to retrieve the ID parameter. Sorry, I don't know Java, so I can't be more specific.
When the user clicks the link in the email, he is moved to your page. The page retrieves the ID from the URL, hashes it again, and checks against the table. If such a record is there and is no more than, say, 2...
Big-O for Eight Year Olds? [duplicate]
I'm asking more about what this means to my code. I understand the concepts mathematically, I just have a hard time wrapping my head around what they mean conceptually. For example, if one were to perform an O(1) operation on a data structure, I understand that the number of operations it has to p...
Best way to use multiple SSH private keys on one client
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