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Why does isNaN(“ ”) (string with spaces) equal false?
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JavaScript interprets an empty string as a 0, which then fails the isNAN test. You can use parseInt on the string first which won't convert the empty string to 0. The result should then fail isNAN.
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How to unsubscribe to a broadcast event in angularJS. How to remove function registered via $on
...}
}());
And here's how it would work:
function myEvent() {
alert('test');
}
$scope.$on('test', myEvent);
$scope.$broadcast('test');
$scope.$off('test', myEvent);
$scope.$broadcast('test');
And here's a plunker of it in action
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Send email using the GMail SMTP server from a PHP page
...t_Mailer::newInstance($transport);
$message = Swift_Message::newInstance('Test Subject')
->setFrom(array('abc@example.com' => 'ABC'))
->setTo(array('xyz@test.com'))
->setBody('This is a test mail.');
$result = $mailer->send($message);
?>
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Defining static const integer members in class definition
...t the call to std::min, the code compiles and links just fine (even though test::N is also referenced on the previous line).
Any idea as to what's going on?
std::min takes its parameters by const reference. If it took them by value you'd not have this problem but since you need a reference you al...
How to run a PowerShell script
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Type:
powershell -executionpolicy bypass -File .\Test.ps1
NOTE: Here Test.ps1 is the PowerShell script.
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Check/Uncheck checkbox with JavaScript (jQuery or vanilla)?
...h Jquery 1.11.2 in Firefox with locally hosted files. .attr does. I've not tested more fully. Here's the code: ``` personContent.find("[data-name='" + pass.name + "']").children('input').attr('checked', true); ```
– Andrew Downes
Mar 27 '15 at 10:27
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Inserting multiple rows in mysql
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BEGIN;
INSERT INTO test_b (price_sum)
SELECT price
FROM test_a;
INSERT INTO test_c (price_summ)
SELECT price
FROM test_a;
COMMIT;
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How are echo and print different in PHP? [duplicate]
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you can echo(print('test')) but you cannot print(echo('test'))
– vdegenne
Jul 22 '16 at 20:13
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How do I remove the “extended attributes” on a file in Mac OS X?
I have an AppleScript script that runs a stress test. Part of the test is to open, save, and close certain files. Somehow, the files have picked up some "extended attributes" that prohibit the files from being saved. That causes the stress test to fail.
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How to convert R Markdown to PDF?
...umid you might have missed the up-to-date part (well, if you are not using testing).
– daroczig
Nov 23 '12 at 8:34
Yea...