大约有 43,300 项符合查询结果(耗时:0.0375秒) [XML]
Number of rows affected by an UPDATE in PL/SQL
I have a PL/SQL function (running on Oracle 10g) in which I update some rows. Is there a way to find out how many rows were affected by the UPDATE? When executing the query manually it tells me how many rows were affected, I want to get that number in PL/SQL.
...
How can I convert byte size into a human-readable format in Java?
...
1327
Fun fact: The original snippet posted here was the most copied Java snippet of all time on S...
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
...
Switch case with fallthrough?
...
314
Use a vertical bar (|) for "or".
case "$C" in
"1")
do_this()
;;
"2" | "3")
do_what...
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...
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")
#'...
