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How can I check whether a radio button is selected with JavaScript?
...atLeastOneRadio() {
return ($('input[type=radio]:checked').size() > 0);
}
For server-side validation (remember, you can't depend entirely on Javascript for validation!), it would depend on your language of choice, but you'd but checking the gender value of the request string.
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django test app error - Got an error creating the test database: permission denied to create databas
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answered Jan 6 '13 at 20:31
AlasdairAlasdair
234k3838 gold badges431431 silver badges416416 bronze badges
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Why are Python lambdas useful? [closed]
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1016
Are you talking about lambda functions? Like
lambda x: x**2 + 2*x - 5
Those things are actu...
How to report an error from a SQL Server user-defined function
I'm writing a user-defined function in SQL Server 2008. I know that functions cannot raise errors in the usual way - if you try to include the RAISERROR statement SQL returns:
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Dealing with “Xerces hell” in Java/Maven?
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There are 2.11.0 JARs (and source JARs!) of Xerces in Maven Central since 20th February 2013! See Xerces in Maven Central. I wonder why they haven't resolved https://issues.apache.org/jira/browse/XERCESJ-1454...
I've used:
<dependency&...
Embed image in a element
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answered Dec 30 '11 at 20:06
Andrew BarberAndrew Barber
36.8k1414 gold badges9090 silver badges118118 bronze badges
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Navigation bar appear over the views with new iOS7 SDK
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edited Sep 30 '13 at 12:09
answered Aug 7 '13 at 12:44
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Define global variable in a JavaScript function
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760
Yes, as the others have said, you can use var at global scope (outside of all functions) to decl...
How to convert string into float in JavaScript?
...m a datagrid. The fields are numeric, and when they have a comma (ex. 554,20), I can't get the numbers after the comma. I've tried parseInt and parseFloat . How can I do this?
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Change type of varchar field to integer: “cannot be cast automatically to type integer”
...);
CREATE TABLE
=> insert into test(x) values ('14'), (' 42 ');
INSERT 0 2
=> ALTER TABLE test ALTER COLUMN x TYPE integer;
ERROR: column "x" cannot be cast automatically to type integer
HINT: Specify a USING expression to perform the conversion.
=> ALTER TABLE test ALTER COLUMN x TYPE ...