大约有 14,200 项符合查询结果（耗时：0.0307秒） [XML]
How to filter by IP address in Wireshark?
...
Match destination: ip.dst == x.x.x.x
Match source: ip.src == x.x.x.x
Match either: ip.addr == x.x.x.x
share
|
improve this answer
|
...
“x not in y” or “not x in y”
...tor, which could be applied to a in b just as easily as any other boolean expression, whereas not in was a separate operator for convenience and clarity.
The disassembly above was revealing! It seems that while not obviously is a logical negation operator, the form not a in b is special cased so th...
Finding differences between elements of a list
...t izip as zip
def differences(seq):
iterable, copied = tee(seq)
next(copied)
for x, y in zip(iterable, copied):
yield y - x
Or using itertools.islice instead:
from itertools import islice
def differences(seq):
nexts = islice(seq, 1, None)
for x, y in zip(seq, nexts):...
How do I calculate square root in Python?
...
sqrt=x**(1/2) is doing integer division. 1/2 == 0.
So you're computing x(1/2) in the first instance, x(0) in the second.
So it's not wrong, it's the right answer to a different question.
...
undefined reference to `WinMain@16'
...
Consider the following Windows API-level program:
#define NOMINMAX
#include <windows.h>
int main()
{
MessageBox( 0, "Blah blah...", "My Windows app!", MB_SETFOREGROUND );
}
Now let's build it using GNU toolchain (i.e. g++), no special options. Here gnuc is just a batch file th...
How can I create a correlation matrix in R?
...
An example,
d &lt- data.frame(x1=rnorm(10),
x2=rnorm(10),
x3=rnorm(10))
cor(d) # get correlations (returns matrix)
...
Using python map and other functional tools
... nest of bugs introduced by having global state. As maptest depends on an external definition of bars, this principle is broken.
– image_doctor
Jul 10 '13 at 13:22
3
...
Does a break statement break from a switch/select?
...o Programming Language Specification.
A "break" statement terminates execution of the innermost "for",
"switch" or "select" statement.
BreakStmt = "break" [ Label ] .
If there is a label, it must be that of an enclosing "for", "switch"
or "select" statement, and that is the one whose...
foreach with index [duplicate]
... there a C# equivalent of Python's enumerate() and Ruby's each_with_index ?
10 Answers
...
How do I specify the Linq OrderBy argument dynamically?
...typeof(Student).GetProperty(param);
var orderByAddress = items.OrderBy(x => propertyInfo.GetValue(x, null));
share
|
improve this answer
|
follow
|
...