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When should I use uuid.uuid1() vs. uuid.uuid4() in python?
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uuid1() is guaranteed to not produce any collisions (under the assumption you do not create too many of them at the same time). I wouldn't use it if it's important that there's no connection between the uuid and the computer, a...
Why doesn't java.lang.Number implement Comparable? [duplicate]
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It's worth mentioning that the following expression:
new Long(10).equals(new Integer(10))
is always false, which tends to trip everyone up at some point or another. So not only can you not compare arbitrary Numbers but you can't even determine if they're equal or not.
Also,...
Convert a float64 to an int in Go
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Ignoring time zones altogether in Rails and PostgreSQL
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Why does the MongoDB Java driver use a random number generator in a conditional?
... of 'black box' code that was really slow.
So sometimes previously unseen new 'questions' would show up, and they would show up in a batch, like 100 of them in a row.
The programmer was happy with how the program was working, but he wanted some way of maybe improving the software in the future, if...
How do I check if an element is hidden in jQuery?
...it possible to toggle the visibility of an element, using the functions .hide() , .show() or .toggle() ?
59 Answers
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Python append() vs. + operator on lists, why do these give different results?
...rator + is a binary infix operator which, when applied to lists, returns a new list containing all the elements of each of its two operands. The list.append() method is a mutator on list which appends its single object argument (in your specific example the list c) to the subject list. In your examp...
Why should I learn Lisp? [closed]
...he Von Neumann model. Programming in Lisp makes you see old concepts in a new light.
Finally, being interactive, you'll learn to interact with your programs as you develop them (as opposed to compile and run). This also change the way you program, and the way you view programming.
With this intr...
Cost of len() function
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How to add NERDTree to your .vimrc
... know why but this does not work for me. I have to call :NERDTreeToggle inside vim to show nerdtree anyway
– hgf
Dec 9 '10 at 15:57
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