大约有 12,000 项符合查询结果（耗时：0.0191秒） [XML]
Transaction count after EXECUTE indicates a mismatching number of BEGIN and COMMIT statements. Previ
...TION. So I had something like this:
Begin Transaction
If (@something = 'foo')
Begin
--- do some stuff
Return
End
commit
and it needs to be:
Begin Transaction
If (@something = 'foo')
Begin
--- do some stuff
Rollback Transaction ----- THIS WAS MISSING
Return
End
com...
How to redirect stderr to null in cmd.exe
...However following will do almost the opposite of what some may expect copy foo.txt con >> bar 2>nul. bar will contain the text one file(s) copied and the console will containt the content of foo.txt.
– Patrick Fromberg
Jul 2 '14 at 8:31
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How to delete multiple files at once in Bash on Linux?
...o an opportunity to add quotes where necessary, for example changing rm -f foo bar to rm -f 'foo bar' .
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How do you pass a function as a parameter in C?
...function returning type’’, as in 6.3.2.1. ". For example, this:
void foo(int bar(int, int));
is equivalent to this:
void foo(int (*bar)(int, int));
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Python logging: use milliseconds in time format
...
Hmmm interesting point, thanks for comment it is food for thought for sure. Ya I probably just added it as a lesson in what's going on there too, and to make sure it's there and because I've asked multiple things so it doesn't need multiple calls to parent (via '.') to fetc...
make: Nothing to be done for `all'
...the dependency were located in distinct directories. Something like this:
foo/apple.o: bar/apple.c $(FOODEPS)
%.o: %.c
$(CC) $< -o $@
I had several dependencies set up this way, and was trying to use one pattern recipe for them all. Clearly, a single substitution for "%" isn't going to wo...
Difference between static class and singleton pattern?
...
@Geek: Imagine the singleton implements an interface Foo, and you have a method taking a Foo as a parameter. With that setup, callers can choose to use the singleton as the implementation - or they could use a different implementation. The method is decoupled from the singleton...
How to throw std::exceptions with variable messages?
...atter &);
};
Example:
throw std::runtime_error(Formatter() << foo << 13 << ", bar" << myData); // implicitly cast to std::string
throw std::runtime_error(Formatter() << foo << 13 << ", bar" << myData >> Formatter::to_str); // explicit...
How to stop a goroutine
...Add(1)
ch := make(chan int)
go func() {
for {
foo, ok := <- ch
if !ok {
println("done")
wg.Done()
return
}
println(foo)
}
}()
ch <- 1
ch <- 2
ch <- 3
...
Loop through an array in JavaScript
...e, that property will also be enumerated.
For example:
Array.prototype.foo = "foo!";
var array = ['a', 'b', 'c'];
for (var i in array) {
console.log(array[i]);
}
The above code will console log "a", "b", "c", and "foo!".
That can be particularly a problem if you use some library that ...