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What is the difference between the kernel space and the user space?
...s in my system. Is it that each process has its own stack which is divided into a user stack and a kernel stack OR all the processes share a single kernel stack?
– kc3
May 10 '11 at 23:35
...
How to explain callbacks in plain english? How are they different from calling one function from ano
...allback, the explanation given sounds indistinct from a general function pointer. It would help to include some rationale for why a callback might be used.
– Eric
Mar 10 '14 at 17:36
...
Python name mangling
...thing to obscure the name of your attribute. If you have a class with some internal value, do not bother about it. Instead of writing:
class Stack(object):
def __init__(self):
self.__storage = [] # Too uptight
def push(self, value):
self.__storage.append(value)
write thi...
How do CDI and EJB compare? interact?
I'm having a tough time understanding how the two interact and where the boundary between them lies. Do they overlap? Are there redundancies between them?
...
What do 'statically linked' and 'dynamically linked' mean?
...
There are (in most cases, discounting interpreted code) two stages in getting from source code (what you write) to executable code (what you run).
The first is compilation which turns source code into object modules.
The second, linking, is what combines object...
Can hash tables really be O(1)?
...
@JeremyP: Good point on the O(m) equality comparison. I missed that - updated post. Thanks!
– Mark Byers
May 5 '10 at 8:22
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Best practices/guidance for maintaining assembly version numbers
I'm looking for pointers, suggestions, and even dictation on how to manage the three different assembly version numbers for a .NET assembly. The Product version is the simplest, as this seems would normally be dictated by business. Then, the file version seems to be for versioning between deploym...
In Python, how do I determine if an object is iterable?
...__
return self._factory_map[locale.replace('-', '_')]
AttributeError: 'int' object has no attribute 'replace'
If we'd use insinstance(), we wouldn't accidentally consider Faker instances (or any other objects having only __getitem__) to be iterable:
>>> from collections.abc import It...
Is a statically-typed full Lisp variant possible?
...se static type system:
type Symbol = String
data Atom = ASymbol Symbol | AInt Int | AString String | Nil
data Cons = CCons Cons Cons
| CAtom Atom
Your first problem is going to be the scope of the Atom type. Clearly, we haven't picked an Atom type of sufficient flexibility to cover a...
How to calculate moving average using NumPy?
...tance, numerical optimization (optimize), signal processsing (signal), and integral calculus (integrate).
My guess is that the function you are after is in at least one of the SciPy subpackages (scipy.signal perhaps); however, i would look first in the collection of SciPy scikits, identify the rele...