大约有 43,200 项符合查询结果（耗时：0.0407秒） [XML]
How to use enums as flags in C++?
...efine bit operators for the enum, as:
enum AnimalFlags
{
HasClaws = 1,
CanFly = 2,
EatsFish = 4,
Endangered = 8
};
inline AnimalFlags operator|(AnimalFlags a, AnimalFlags b)
{
return static_cast<AnimalFlags>(static_cast<int>(a) | static_cast<int>(b));
...
Using “like” wildcard in prepared statement
... "SELECT * FROM analysis WHERE notes LIKE ? ESCAPE '!'");
pstmt.setString(1, notes + "%");
or a suffix-match:
pstmt.setString(1, "%" + notes);
or a global match:
pstmt.setString(1, "%" + notes + "%");
share
...
What is a method that can be used to increment letters?
...
14 Answers
14
Active
...
Reduce left and right margins in matplotlib plot
...
11 Answers
11
Active
...
Repeat String - Javascript
...!
String.prototype.repeat = function( num )
{
return new Array( num + 1 ).join( this );
}
alert( "string to repeat\n".repeat( 4 ) );
share
|
improve this answer
|
foll...
Switch case with fallthrough?
...
314
Use a vertical bar (|) for "or".
case "$C" in
"1")
do_this()
;;
"2" | "3")
do_what...
Replacing blank values (white space) with NaN in pandas
...
12 Answers
12
Active
...
How to not run an example using roxygen2?
...
147
Use \dontrun{}
#'@examples
#'\dontrun{
#'geocode("3817 Spruce St, Philadelphia, PA 19104")
#'...
Can I assume (bool)true == (int)1 for any C++ compiler?
Can I assume (bool)true == (int)1 for any C++ compiler ?
4 Answers
4
...
How can I convert an Integer to localized month name in Java?
...
13 Answers
13
Active
...