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How to set the first option on a select box using jQuery?

I have two HTML select boxes. I need to reset one select box when I make a selection in another. 17 Answers ...
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Simple way to transpose columns and rows in SQL?

...3, 5), ('Blue', 2, 2, 9, 1); Union All, Aggregate and CASE Version: select name, sum(case when color = 'Red' then value else 0 end) Red, sum(case when color = 'Green' then value else 0 end) Green, sum(case when color = 'Blue' then value else 0 end) Blue from ( select color, Paul value...
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Get selected value of a dropdown's item using jQuery

How can I get the selected value of a dropdown box using jQuery? I tried using 30 Answers ...
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How to discard local commits in Git?

... worked. Discarded all local commits and reset to HEAD. Whats the use of ^ char? – karim Nov 22 '19 at 13:58 @karim th...
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How can I read large text files in Python, line by line, without loading it into memory?

...in sensible sized chunks (kilobytes to megabytes say) and split on newline characters ( or whatever the line ending char is on your platform) – John La Rooy Jun 25 '11 at 2:36 4 ...
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jQuery get value of select onChange

I was under the impression that I could get the value of a select input by doing this $(this).val(); and applying the onchange parameter to the select field. ...
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SET versus SELECT when assigning variables?

What are the differences between the SET and SELECT statements when assigning variables in T-SQL? 4 Answers ...
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Set the selected index of a Dropdown using jQuery

... First of all - that selector is pretty slow. It will scan every DOM element looking for the ids. It will be less of a performance hit if you can assign a class to the element. $(".myselect") To answer your question though, there are a few w...
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You can't specify target table for update in FROM clause

...llow you to write queries like this: UPDATE myTable SET myTable.A = ( SELECT B FROM myTable INNER JOIN ... ) That is, if you're doing an UPDATE/INSERT/DELETE on a table, you can't reference that table in an inner query (you can however reference a field from that outer table...) Th...
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problem with and :after with CSS in WebKit

I would like to add some style on a select box with the pseudo :after (to style my select box with 2 parts and without images). Here's the HTML: ...