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What is hashCode used for? Is it unique?
...ple/objects can theoretically still have the same
fingerprint. Or in other words. If you have two fingerprints that are the same.........then they need not both come from the same person/object.
Buuuuuut, the same person/object will always return the
same fingerprint.
Which means that if two objects...
Is recursion ever faster than looping?
...
@hmijail I think that a better word than "useful" is "true". Tail recursion isn't true recursion because it's just using function calling syntax to disguise unconditional branching, i.e. iteration. True recursion provides us with a backtracking stack. How...
Git commits are duplicated in the same branch after doing a rebase
... have already been pushed to a remote, which you then proceed to change (reword commit messages, reorder commits, squash commits, etc.)
Let's better understand what happened—here is an example:
You have a repository:
2a2e220 (HEAD, master) C5
ab1bda4 C4
3cb46a9 C3
85f59ab C2
4516164 C1
0e783a3...
javascript: recursive anonymous function?
...e function as a value and not a "function declaration" statement. In other words:
(function foo() { foo(); })();
is a stack-blowing recursive function. Now, that said, you probably don't may not want to do this in general because there are some weird problems with various implementations of Java...
Creating a singleton in Python
..._init__(*args, **kwargs)
to the if statement in Singleton.__call__.
A few words about metaclasses. A metaclass is the class of a class; that is, a class is an instance of its metaclass. You find the metaclass of an object in Python with type(obj). Normal new-style classes are of type type. Logger i...
Scala type programming resources
...ala type-classes
Using generalized type constraints
How scalas type system words for you
Choosing between abstract type members
(I've been doing some research on this subject and here's what I've learned. I'm still new to it, so please point out any inaccuracies in this answer.)
...
How to read a large file - line by line?
...if a file is a huge text file but with one line and the idea is to process words?
– mfcabrera
Dec 18 '13 at 14:48
4
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Transitioning from Windows Forms to WPF
...hel push Winforms in a negative corner. Especially when you keep using the words you use...
– Bernoulli IT
Jul 13 '14 at 12:32
3
...
How do I adjust the anchor point of a CALayer, when Auto Layout is being used?
...constraints and setting the frames of all the views accordingly.
In other words, the constraints are not magic; they are just a to-do list. layoutSubviews is where the to-do list gets done. And it does it by setting frames.
I can't help regarding this as a bug. If I apply this transform to a view:...
Ignoring time zones altogether in Rails and PostgreSQL
... may have to) deal with more than one time zone, use timestamptz. In other words: If there can be any doubt or misunderstanding about the assumed time zone, go with timestamptz. Applies in most use cases.
Clients like psql or pgAdmin or any application communicating via libpq (like Ruby with the pg...