大约有 30,000 项符合查询结果（耗时：0.0531秒） [XML]
echo that outputs to stderr
...
You could do this, which facilitates reading:
>&2 echo "error"
>&2 copies file descriptor #2 to file descriptor #1. Therefore, after this redirection is performed, both file descriptors will refer to the same file: the one file descriptor #2 was originally referring to. F...
Saving changes after table edit in SQL Server Management Studio
... saved in SQL Server Management Studio (no data in table present) I get an error message:
7 Answers
...
How to create a date and time picker in Android? [closed]
Is there any android widget that enable to pick the date and the time at the same time ?
I already use the basic time picker and date picker .
...
(-2147483648> 0) returns true in C++?
-2147483648 is the smallest integer for integer type with 32 bits, but it seems that it will overflow in the if(...) sentence:
...
Resolve build errors due to circular dependency amongst classes
...n find myself in a situation where I am facing multiple compilation/linker errors in a C++ project due to some bad design decisions (made by someone else :) ) which lead to circular dependencies between C++ classes in different header files (can happen also in the same file) . But fortunately(?) th...
Function overloading by return type?
...in such a situation.
Whenever such a situation occurs, it's a compile-time error. However, have a syntax that allows the programmer to disambiguate, e.g. int main() { (string)func(); }.
Don't have side effects. If you don't have side effects and you never use the return value of a function, then t...
cannot convert data (type interface {}) to type string: need type assertion
I am pretty new to go and I was playing with this notify package.
4 Answers
4
...
Increment value in mysql update query
... $bdd->query('SET NAMES "utf8"');
} catch (PDOException $e) {
exit('Error');
}
No need to query DB to get the number of points. You can increment directly in the update query (points = points + 1).
(note : Also, it’s not a good idea to increment the value with PHP because you need to sel...
How do I install g++ for Fedora?
...
I got this error during the install: bugzilla.redhat.com/show_bug.cgi?id=494006. Running yum clean metadata resolved the error and I was able to install gcc-c++.
– yellavon
May 5 '14 at 18:35
...
How to run a hello.js file in Node.js on windows?
...le is sitting. Also added path point to the folder c:\abc\zyx\ and I get error
– Mitul
Jul 18 '11 at 19:16
What is t...