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In a Django form, how do I make a field readonly (or disabled) so that it cannot be edited?
...ignKey field, a few changes need to be made. Firstly, the SELECT HTML tag does not have the readonly attribute. We need to use disabled="disabled" instead. However, then the browser doesn't send any form data back for that field. So we need to set that field to not be required so that the field ...
JavaScript equivalent to printf/String.Format
...sals that are mentioned fail when a replace string of previous replacement does also contain a format sequence like this:
"{0}{1}".format("{1}", "{0}")
Normally you would expect the output to be {1}{0} but the actual output is {1}{1}. So do a simultaneously replacement instead like in fearphage...
Send email using the GMail SMTP server from a PHP page
...ort' => '465',
'auth' => true,
'username' => 'johndoe@gmail.com',
'password' => 'passwordxxx'
));
$mail = $smtp->send($to, $headers, $body);
if (PEAR::isError($mail)) {
echo('<p>' . $mail->getMessage() . '</p>');
} else {
echo('<...
Multiple variables in a 'with' statement?
...nce tuples lack a __enter__ attribute, you get an error (undescriptive and does not identify class type):
AttributeError: __enter__
If you try to use as within parentheses, Python catches the mistake at parse time:
with (A() as a,
B() as b,
C() as c):
doSomething(a,b,c)
SyntaxEr...
Using an HTML button to call a JavaScript function
... That's not specifically the problem with the function, which doesn't throw any errors in IE
– Andy E
Dec 22 '09 at 19:45
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What are the differences between -std=c++11 and -std=gnu++11?
...e-enables trigraphs -std=gnu++11 ignores them and emits a warning, like it does when omitting -std alltogether
– Daniel82
Mar 24 at 10:52
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Hover and Active only when not disabled
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You can use :enabled pseudo-class, but notice IE<9 does not support it:
button:hover:enabled{
/*your styles*/
}
button:active:enabled{
/*your styles*/
}
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imp...
Security of REST authentication schemes
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This doesn't address the question, which is about authentication.
– Sam Stainsby
Oct 11 '12 at 21:49
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How to split/partition a dataset into training and test datasets for, e.g., cross validation?
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thanks for these solutions. But, doesn't the last method, using randint, have a good chance of giving same indices for both test and training sets ?
– ggauravr
Nov 5 '13 at 22:21
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Why is the parent div height zero when it has floated children
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Content that is floating does not influence the height of its container. The element contains no content that isn't floating (so nothing stops the height of the container being 0, as if it were empty).
Setting overflow: hidden on the container will ...