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Why can tuples contain mutable items?
...ir intended use:
Tuples are characterized less by their immutability and more by their intended purpose.
Tuples are Python's way of collecting heterogeneous pieces of information under one roof. For example,
s = ('www.python.org', 80)
brings together a string and a number so that the host/port ...
What does “abstract over” mean?
... = as.foldLeft(z)(f)
}
val sumOfOneTwoThree = sumOf(List(1,2,3))
What's more, we can abstract over both the operation and the type of the operands:
trait Monoid[M] {
def zero: M
def add(m1: M, m2: M): M
}
trait Foldable[F[_]] {
def foldl[A, B](as: F[A], z: B, f: (B, A) => B): B
def f...
How can I select an element with multiple classes in jQuery?
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How do I generate a stream from a string?
...racters. It is crucial to understand that converting a character to one or more bytes (or to a Stream as in this case) always uses (or assumes) a particular encoding. This answer, while correct in some cases, uses the Default encoding, and may not be suitable in general. Explicitly passing an Encodi...
How to URL encode a string in Ruby
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force_encoding('binary') might be a more self-documenting choice.
– mu is too short
Jul 15 '11 at 23:53
63
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Linux command: How to 'find' only text files?
...lly answers the question 2. It does not yield false positives 3. it is way more performant
– user123444555621
Mar 29 '14 at 9:25
3
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ImportError: No module named Crypto.Cipher
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Just to add to this a little more, in my case this wasn't working as I had multiple versions of Python interpreters on my machine and I was installing the libraries in different versions. What I did was moved into the virtual environment and it worked as...
Is SHA-1 secure for password storage?
...-3 round-2 candidates appear to be faster than SHA-1 while being arguably "more secure"; yet they are still a bit new, so sticking to SHA-256 or SHA-512 would be a safer route right now. It would make you look professional and cautious, which is good.
Note that "as secure as you can get" is not the...
UDP vs TCP, how much faster is it? [closed]
... protocol message exchange, which can tolerate some packet loss. How much more efficient is UDP over TCP?
15 Answers
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Does Python have a string 'contains' substring method?
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