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jQuery - getting custom attribute from selected option

... You're adding the event handler to the <select> element. Therefore, $(this) will be the dropdown itself, not the selected <option>. You need to find the selected <option>, like this: var option = $('option:selected', this).attr('mytag'); ...
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Ruby: Can I write multi-line string with no concatenation?

... HEREDOC syntax (via this link): p <<END_SQL.gsub(/\s+/, " ").strip SELECT * FROM users ORDER BY users.id DESC END_SQL # >> "SELECT * FROM users ORDER BY users.id DESC" The latter would mostly be for situations that required more flexibility in the processing. I personall...
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Change default text in input type=“file”?

...e of label for input. <div> <label for="files" class="btn">Select Image</label> <input id="files" style="visibility:hidden;" type="file"> </div> Below is the code to fetch name of the uploaded file $("#files").change(function() { filename = this.files[...
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Difference Between Select and SelectMany

I've been searching the difference between Select and SelectMany but I haven't been able to find a suitable answer. I need to learn the difference when using LINQ To SQL but all I've found are standard array examples. ...
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Error 1046 No database Selected, how to resolve?

...ation. If you're trying to do this via MySQL Workbench... ...you need to select the appropriate database/catalog in the drop down menu found above the :Object Browser: tab. You can specify the default schema/database/catalog for the connection - click the "Manage Connections" options under the SQL...
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Cannot ping AWS EC2 instance

...ICMP rule Protocol: Echo Request Port: N/A Source: your choice (I would select Anywhere to be able to ping from any machine) share | improve this answer | follow ...
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Cannot simply use PostgreSQL table name (“relation does not exist”)

.... In other words, the following fails: CREATE TABLE "SF_Bands" ( ... ); SELECT * FROM sf_bands; -- ERROR! Use double-quotes to delimit identifiers so you can use the specific mixed-case spelling as the table is defined. SELECT * FROM "SF_Bands"; Re your comment, you can add a schema to th...
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How do I obtain a Query Execution Plan in SQL Server?

...ution plan in SQL Server Management Studio, or right click on the plan and select "Save Execution Plan As ..." to save the plan to a file in XML format. Method 2 - Using SHOWPLAN options This method is very similar to method 1 (in fact this is what SQL Server Management Studio does internally), ho...
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XPath - Selecting elements that equal a value

In Xpath, I am wanting to select elements that equal a specific value. 2 Answers 2 ...
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SQL Call Stored Procedure for each Row without using a cursor

...rate over all customers WHILE (1 = 1) BEGIN -- Get next customerId SELECT TOP 1 @CustomerID = CustomerID FROM Sales.Customer WHERE CustomerID > @CustomerId ORDER BY CustomerID -- Exit loop if no more customers IF @@ROWCOUNT = 0 BREAK; -- call your sproc EXEC dbo.YOURSPROC...