大约有 15,574 项符合查询结果（耗时：0.0479秒） [XML]
Why is “while ( !feof (file) )” always wrong?
...fsize; (k = write(fd, p, n)) > 0; p += k, n -= k) {}
if (n != 0) { /* error, failed to write complete buffer */ }
The result we use here is k, the number of bytes written. The point here is that we can only know how many bytes were written after the write operation.
POSIX getline()
char *...
What happens if I define a 0-size array in C/C++?
...
"it must actually give an error" - the distinction between "warnings" and "errors" isn't recognized in the standard (it only mentions "diagnostics"), and the only situation where compilation must stop [i.e. the real-world difference between warning an...
Error pushing to GitHub - insufficient permission for adding an object to repository database
I'm getting back an unusual error while trying to do a "git push" to my GitHub repository:
21 Answers
...
How to check if a file exists in the Documents directory in Swift?
...ite")
Now check if the file exists with checkResourceIsReachableAndReturnError of NSURL.
let fileExists = databaseURL.checkResourceIsReachableAndReturnError(nil)
If you need the error pass the NSError pointer to the parameter.
var error : NSError?
let fileExists = databaseURL.checkResourceIsR...
Config Error: This configuration section cannot be used at this path
I've encountered an error deploying a site to a server. When trying to load the home page, or access authentication on the new site in IIS, I get the error:
...
About catching ANY exception
... = open('myfile.txt')
s = f.readline()
i = int(s.strip())
except IOError as (errno, strerror):
print "I/O error({0}): {1}".format(errno, strerror)
except ValueError:
print "Could not convert data to an integer."
except:
print "Unexpected error:", sys.exc_info()[0]
raise
...
Loader lock error
... I'm with you @Kohan I have also opened an older project and got the error. I have disabled the exception but would like to understand what can be done to prevent this.
– Pimenta
Feb 14 '13 at 17:44
...
What does “SyntaxError: Missing parentheses in call to 'print'” mean in Python?
When I try to use a print statement in Python, it gives me this error:
8 Answers
8
...
Postgresql not creating db with “createdb” as superuser, yet not outputting errors [duplicate]
...
Late to the party, but the accepted answer doesn't explain why no error is displayed. And as this is something Postgres newcomers often stumble upon, I wanted to add that.
TL/TR: always end your SQL statements with ;
Because the createdb database did not end with ; psql thinks the sta...
Error inflating when extending a class
...
Thanks a lot! The error message is quite unspecific, which had me stumped for a moment, they should have included the reason (missing constructor overload) in their error message.
– AgentKnopf
Jun 7 '12 a...