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Functional programming - is immutability expensive? [closed]
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Rex KerrRex Kerr
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Unicode Processing in C++
... Unicode support: http://www.open-std.org/JTC1/SC22/WG21/docs/papers/2011/n3242.pdf
So the truly best practice for Unicode processing in C++ would be to use the built in facilities for it. That isn't always a possibility with older code bases though, with the standard being so new at present.
EDIT...
Unicode equivalents for \w and \b in Java regular expressions?
...That way, a regex like \w+ matches words like hello , élève , GOÄ_432 or gefräßig .
3 Answers
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Convert seconds to Hour:Minute:Second
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animuson♦animuson
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Remove duplicate dict in list in Python
... {'a': 3222, 'b': 1234},
{'a': 123, 'b': 1234}]
seen = set()
new_l = []
for d in l:
t = tuple(d.items())
if t not in seen:
seen.add(t)
new_l.append(d)
print new_l
Example output:
[{'a': 123, 'b': 1234}, {'a': 3222, 'b': 1234}]
Note: As pointed out by @alexis ...
Python logging: use milliseconds in time format
.... This can not be fixed by specifying a datefmt because ct is a time.struct_time and these objects do not record milliseconds.
If we change the definition of ct to make it a datetime object instead of a struct_time, then (at least with modern versions of Python) we can call ct.strftime and then we...
Why switch is faster than if
...uct Packet
{
void(*execute)() = NULL;
};
Packet incoming_packet[255];
uint8_t test_value = 0;
void A()
{
std::cout << "I'm the 1st test.\n";
}
void B()
{
std::cout << "I'm the 2nd test.\n";
}
void Empty()
{
}
void Update()
{
if (incoming_packet[test_value].exe...
Why can't I make a vector of references?
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32
By their very nature, references can only be set at the time they are created; i.e., the follow...
Python add item to the tuple
... Jon Clements♦Jon Clements
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12
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Performance of Find() vs. FirstOrDefault() [duplicate]
...ject an anonmyous data item just for compilation
List<\u003C\u003Ef__AnonymousType0<string>> source = Enumerable.ToList(Enumerable.Select(Enumerable.Range(0, 1000000), i =>
{
var local_0 = new
{
Name = Guid.NewGuid().ToString()
};
return local_...