大约有 23,000 项符合查询结果（耗时：0.0368秒） [XML]
Is there YAML syntax for sharing part of a list or map?
...t;< : *sites # merge *sites into this mapping
? www.baz.com # add extra stuff
Some things to notice. Firstly, since << is a key, it can only be specified once per node. Secondly, when using a sequence as the value, the order is significant. This doesn't matter in the example here, s...
Check if table exists and if it doesn't exist, create it in SQL Server 2008
...ble) use type = 'U' instead of type in (N'U') (the column _type is of type char using Nchar causes an implicit conversion which often causes issues with the cardinality estimator) if (not exists (select object_id from sys.objects where object_id = OBJECT_ID(N'[dbo].[client_tgi_g67_period_list]') and...
Swapping two variable value without using third variable
...y){
int t;
t = *y;
*y = *x;
*x = t;
}
int main(int argc, char* argv[]){
int x = 4;
int y = 5;
int z = pow(2,28);
while ( z-- ){
# ifdef USE_XOR
xorSwap(&x,&y);
# else
tempSwap(&x, &y);
# endif
}
retu...
Declaration suffix for decimal type
...
Whilst not a suffix, we can also declare a character with char c = 'a' using apostrophes around the character.
– Kevin Hogg
Aug 26 '15 at 8:05
...
How to use '-prune' option of 'find' in sh?
...ge.org/UsingFind)
Just noticed -path is for a path that fully matches the string/path that comes just after find (. in theses examples) where as -name matches all basenames.
find . -path ./.git -prune -o -name file -print
blocks the .git directory in your current directory ( as your finding in...
How to make a variadic macro (variable number of arguments)
...void)0) //strip out PRINT instructions from code
#endif
void print(const char *fmt, ...) {
va_list args;
va_start(args, fmt);
vsprintf(str, fmt, args);
va_end(args);
printf("%s\n", str);
}
int main() {
PRINT("[%s %d, %d] Hello World", "March", 26, 2009);
retur...
How come a non-const reference cannot bind to a temporary object?
...built-in types (int etc.), but it is allowed for user-defined types: (std::string("A")+"B").append("C").
– sbi
Oct 14 '09 at 16:51
6
...
Python argparse ignore unrecognised arguments
...r "recognized" arguments instead.
parser = argparse.ArgumentParser(prefix_chars='+')
parser.add_argument('+cd')
The same command will produce
Namespace(_unrecognized_args=['--foo', 'BAR', 'a', 'b'], cd='e')
Put that in your pipe and smoke it =)
nJoy!
...
Python assigning multiple variables to same value? list behavior
...n either case, you can rebind a to a different value (e.g., a = "Now I'm a string!"), but the won't affect the original value, which b and c will still be names for. The difference is that with a list, you can change the value [1, 2, 3] into [1, 2, 3, 4] by doing, e.g., a.append(4); since that's act...
Why are there two kinds of functions in Elixir?
...orm was used in elixir because it still looks like a function call with an extra character. It's close enough to a function call.
I did not think about all the pros and cons, but it looks like in both languages you could get away with just the brackets as long as you make brackets mandatory for ano...