大约有 40,000 项符合查询结果（耗时：0.0631秒） [XML]
What does 'stale file handle' in Linux mean?
...ory. Through another terminal, I delete that directory and restore it back from an identical backup. When I try to vim a file from the first terminal, in the same directory, why do I get an error about a stale file handle? What does it mean? (On a side note, I have found that it is possible to byp...
Find XOR of all numbers in a given range
...results in the running XORs. The f() function calculates the XOR total run from [0, a]. Take a look at this table for 4-bit numbers:
0000 <- 0 [a]
0001 <- 1 [1]
0010 <- 3 [a+1]
0011 <- 0 [0]
0100 <- 4 [a]
0101 <- 1 [1]
0110 <- 7 [a+1]
0111 <- 0 [0]
1000 <- 8 [a]
...
Python mock multiple return values
...return the next value in the sequence each time it is called:
>>> from unittest.mock import Mock
>>> m = Mock()
>>> m.side_effect = ['foo', 'bar', 'baz']
>>> m()
'foo'
>>> m()
'bar'
>>> m()
'baz'
Quoting the Mock() documentation:
If side_effect...
Timeout for python requests.get entire response
...ther ways to overcome this problem:
1. Use the TimeoutSauce internal class
From: https://github.com/kennethreitz/requests/issues/1928#issuecomment-35811896
import requests from requests.adapters import TimeoutSauce
class MyTimeout(TimeoutSauce):
def __init__(self, *args, **kwargs):
con...
BestPractice - Transform first character of a string into lower case
...tr[0]) + str.Substring(1);
}
The if statement also prevents a new string from being built if it's not going to be changed anyway. You might want to have the method fail on null input instead, and throw an ArgumentNullException.
As people have mentioned, using String.Format for this is overkill.
...
How to use shared memory with Linux in C
... } else
printf("segment contains: \"%s\"\n", data);
/* detach from the segment: */
if (shmdt(data) == -1) {
perror("shmdt");
exit(1);
}
return 0;
}
Steps :
Use ftok to convert a pathname and a project identifier to a System V IPC key
Use shmget which a...
How is Racket different from Scheme?
...
The rationale for the name-change from PLT Scheme to Racket is discussed on the Racket site.
share
|
improve this answer
|
follow
...
How to verify a user's password in Devise
...ing to find user by password, but I don't understand how to match password from form and encrypted_password in my db.
4 Ans...
Why is “int i = 2147483647 + 1;” OK, but “byte b = 127 + 1;” is not compilable?
... need correcting. It was chosen very deliberately and correctly at that. From the closest source to hand (Wikipedia) : "In most languages, the word coercion is used to denote an implicit conversion, either during compilation or during run time." and "In computer science, type conversion, typecasti...
What does $1 [QSA,L] mean in my .htaccess file?
...ard to grasp, but there are quite a few examples on stackoverflow to learn from.
share
|
improve this answer
|
follow
|
...