大约有 30,000 项符合查询结果（耗时：0.0434秒） [XML]
What are some better ways to avoid the do-while(0); hack in C++?
...es something that can be solved with RAII. Maybe I should have said "issue error" or some such instead.
– Mats Petersson
Aug 29 '13 at 10:15
25
...
Linux - Replacing spaces in the file names
...
Again error mv: missing file argument Try mv --help' for more information. mv: missing file argument Try mv --help' for more information. mv: missing file argument Try mv --help' for more information. mv: missing file argument Try...
INSERT with SELECT
...e, location, '$this->gid' FROM courses WHERE cid = $cid -- I get the error: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'name, location, gid SELECT name, location, '22' FROM courses WHERE cid = 23' a...
How do I iterate over an NSArray?
...ss the objects by index, you can run into strange exceptions or off-by-one errors (often long after the problem has occurred) that can be horrific to debug. Enumeration using one of the standard idioms has a "fail-fast" behavior, so the problem (caused by incorrect code) will manifest itself immedia...
Could not find default endpoint element
... a VS2008/.NET 3.5 solution. When constructing the client .NET throws this error:
33 Answers
...
Which regular expression operator means 'Don't' match this character?
*, ?, + characters all mean match this character. Which character means 'don't' match this? Examples would help.
4 Answers...
Evaluate expression given as a string
...l(parse(text="gray")))
[1] "function"
> class(eval(parse(text="blue")))
Error in eval(expr, envir, enclos) : object 'blue' not found
See also tryCatch.
share
|
improve this answer
|
...
How to strip leading “./” in unix “find”?
...
Better with 2> /dev/null to ignore error reported when the command is run in an empty directory.
– neevek
Dec 17 '16 at 6:13
add a comm...
How are multi-dimensional arrays formatted in memory?
In C, I know I can dynamically allocate a two-dimensional array on the heap using the following code:
6 Answers
...
nginx - nginx: [emerg] bind() to [::]:80 failed (98: Address already in use)
All of a sudden I am getting the below nginx error
17 Answers
17
...