大约有 46,000 项符合查询结果（耗时：0.0491秒） [XML]
Java optional parameters
...
|
edited May 20 '11 at 10:27
WarFox
4,43333 gold badges2525 silver badges3131 bronze badges
...
How can I access my localhost from my Android device?
...ble to access my laptop web server using the Android emulator, I'm using 10.0.2.2:portno
works well.
39 Answers
...
Python - Create a list with initial capacity
...
def doAppend( size=10000 ):
result = []
for i in range(size):
message= "some unique object %d" % ( i, )
result.append(message)
return result
def doAllocate( size=10000 ):
result=size*[None]
for i in range(siz...
Changing iframe src with Javascript
...
answered Sep 16 '10 at 19:43
PekkaPekka
408k128128 gold badges907907 silver badges10481048 bronze badges
...
How to do version numbers? [closed]
...e "unstable watchout" on there. So how would you go about versioning? Is 1.0 stable? Should the build date be in the version number? Tell me what you guys think!
...
Group by multiple columns in dplyr, using string vector input
...
data = data.frame(
asihckhdoydkhxiydfgfTgdsx = sample(LETTERS[1:3], 100, replace=TRUE),
a30mvxigxkghc5cdsvxvyv0ja = sample(LETTERS[1:3], 100, replace=TRUE),
value = rnorm(100)
)
# get the columns we want to average within
columns = names(data)[-3]
library(dplyr)
df1 <- data %>%...
Divide a number by 3 without using *, /, +, -, % operators
... x = t;
}
return y;
}
int divideby3(int num)
{
int sum = 0;
while (num > 3) {
sum = add(num >> 2, sum);
num = add(num >> 2, num & 3);
}
if (num == 3)
sum = add(sum, 1);
return sum;
}
As Jim commented this works, because:...
Regex to validate password strength
...itive look ahead assertions:
^(?=.*[A-Z].*[A-Z])(?=.*[!@#$&*])(?=.*[0-9].*[0-9])(?=.*[a-z].*[a-z].*[a-z]).{8}$
Rubular link
Explanation:
^ Start anchor
(?=.*[A-Z].*[A-Z]) Ensure string has two uppercase letters.
(?=.*[!@#$&*]) Ensure string ha...
How to print color in console using System.out.println?
...
605
If your terminal supports it, you can use ANSI escape codes to use color in your output. It gen...
Why do people say there is modulo bias when using a random number generator?
...
10 Answers
10
Active
...