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MySQL: @variable vs. variable. What's the difference?
... a procedure variable is reinitialized to NULL each time the procedure is called, while the session-specific variable is not:
CREATE PROCEDURE prc_test ()
BEGIN
DECLARE var2 INT DEFAULT 1;
SET var2 = var2 + 1;
SET @var2 = @var2 + 1;
SELECT var2, @var2;
END;
SET @var2 = 1;
CALL prc...
How does the Google “Did you mean?” Algorithm work?
...arches that have the shortest Levenshtein distance from the entered search string, then pick the one with the most results.
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How to programmatically close a JFrame
...the method is a must
}
});
}
public static void main(String[] args)
{
ExitApp app=new ExitApp();
app.setBounds(133,100,532,400);
app.setVisible(true);
}
}
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How to increase IDE memory limit in IntelliJ IDEA on Mac?
...ll automatically create a copy of the .vmoptions file in the config folder and open a dialog to edit it.
Older versions:
IntelliJ IDEA 12 is a signed application, therefore changing options in Info.plist is no longer recommended, as the signature will not match and you will get issues depending ...
Adding a new array element to a JSON object
... parse it so you can apply the changes to a native JavaScript Object, then stringify back to JSON
var jsonStr = '{"theTeam":[{"teamId":"1","status":"pending"},{"teamId":"2","status":"member"},{"teamId":"3","status":"member"}]}';
var obj = JSON.parse(jsonStr);
obj['theTeam'].push({"teamId":"4","sta...
How to take a screenshot programmatically on iOS
...what is working everytime!!!! I have a lot of 3d transforms on the scrreen and other solutions did mess in my screenshot. This works like it should. Thanks a lot!
– AndrewK
Jul 23 '15 at 14:04
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Disabled UIButton not faded or grey
...oncept to [ UIButton setAttributedTitle:forState:]. Create your attributed string where your text foreground color is set to a transparent color.
– nielsbot
May 20 '13 at 23:33
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Passing command line arguments to R CMD BATCH
...CH -blabla my_script.R
commandArgs() will receive -blabla as a character string in this case. See the help for details:
$ R CMD BATCH --help
Usage: R CMD BATCH [options] infile [outfile]
Run R non-interactively with input from infile and place output (stdout
and stderr) to another file. If not ...
How to apply !important using .css()?
...he above, attr() approach modified slightly to preserve the original style string/properties, and modified as suggested by falko in a comment:
$('#elem').attr('style', function(i,s) { return (s || '') + 'width: 100px !important;' });
...
How expensive is the lock statement?
...manceConsoleApplication
{
class Program
{
static void Main(string[] args)
{
var stopwatch = new Stopwatch();
const int LoopCount = (int) (100 * 1e6);
int counter = 0;
for (int repetition = 0; repetition < 5; repetition++)
...