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jQuery get selected option value (not the text, but the attribute 'value')

... 04/2020: Corrected old answer Use :selected psuedo selector on the selected options and then use the .val function to get the value of the option. $('select[name=selector] option').filter(':selected').val() Side note: Using filter is better then using :sele...
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sql query to return differences between two tables

...colum C, here are the records, which are present in table A but not in B: SELECT A.* FROM A LEFT JOIN B ON (A.C = B.C) WHERE B.C IS NULL To get all the differences with a single query, a full join must be used, like this: SELECT A.*, B.* FROM A FULL JOIN B ON (A.C = B.C) WHERE A.C IS NUL...
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Best way to unselect a in jQuery?

What is the best way, using jQuery, to elegantly unselect the option? 15 Answers 15 ...
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jQuery Validate Required Select

I am trying to validate html select element using jQuery Validate plugin. I set "required" rule to true but it always passes validation because zero index is chosed by default. Is there any way to define empty value that is used by required rule? ...
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How to check if an option is selected?

... UPDATE A more direct jQuery method to the option selected would be: var selected_option = $('#mySelectBox option:selected'); Answering the question .is(':selected') is what you are looking for: $('#mySelectBox option').each(function() { if($(this).is(':selected')) ....
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How to convert DateTime to VarChar

...yDateTime DATETIME SET @myDateTime = '2008-05-03' -- -- Convert string -- SELECT LEFT(CONVERT(VARCHAR, @myDateTime, 120), 10) share | improve this answer | follow ...
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Is there an onSelect event or equivalent for HTML ?

I have an input form that lets me select from multiple options, and do something when the user changes the selection. Eg, ...
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Using union and order by clause in mysql

...criteria from a table based on distance for a search on my site. The first select query returns data related to the exact place search . The 2nd select query returns data related to distance within 5 kms from the place searched. The 3rd select query returns data related to distance within 5-15 kms f...
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How to declare a variable in MySQL?

...at has not been initialized, it has a value of NULL and a type of string. SELECT @var_any_var_name You can initialize a variable using SET or SELECT statement: SET @start = 1, @finish = 10; or SELECT @start := 1, @finish := 10; SELECT * FROM places WHERE place BETWEEN @start AND @finish...
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How to Select Columns in Editors (Atom,Notepad++, Kate, VIM, Sublime, Textpad,etc) and IDEs (NetBean

How to select columns in Editors and IDEs to columnar delete, insert or replace some characters ? 21 Answers ...