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How do I check if an HTML element is empty using jQuery?

...or more info see http://api.jquery.com/is/ and http://api.jquery.com/empty-selector/ EDIT: As some have pointed, the browser interpretation of an empty element can vary. If you would like to ignore invisible elements such as spaces and line breaks and make the implementation more consistent you ca...
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Clustered vs Non-Clustered

... Some db with some nasty selects, joins in a stored procedure - only diffrence is the index INDEXES - clustered vs nonclustered 891 rows 10 sec NONCLUSTERED OR 891 rows 14 sec CLUSTERED ...
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Why would introducing useless MOV instructions speed up a tight loop in x86_64 assembly?

...Us can probably apply several optimization approaches in parallel and then select the one at the end that provides the best speedup. The extra instructions may be biasing the CPU to use one optimization path that is better than others. The effect of the extra instructions probably depends on the C...
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Create a matrix of scatterplots (pairs() equivalent) in ggplot2

... na.rm = na.rm, convert = convert, factor_key = factor_key), select(., !!!vars)) } %>% gather(., key = !!ykey, value = !!yvalue, !!!vars, na.rm = na.rm, convert = convert, factor_key = factor_key) } iris %>% gatherpairs(Sepal.Length, Sepal.Width, Petal.Lengt...
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Git workflow and rebase vs merge questions

...lligent use of interactive rebase and tools like tortoisegit (which allows selection of which commits to include) will help a lot. – prusswan Jun 27 '12 at 11:02 8 ...
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Why do some functions have underscores “__” before and after the function name?

...ml", title = _("Title"), data = self.application.db.query("select ... where object_id=%s", self.object_id) ) ... share | improve this answer | follow ...
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What is the difference between “#!/usr/bin/env bash” and “#!/usr/bin/bash”?

...t more portable, but also increases the risk that the wrong interpreter is selected because it searches for a match in every directory on the executable search path. It also suffers from the same problem in that the path to the env binary may also be different on a per-machine basis."-Wikipedia ...
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How to attach debugger to iOS app after launch?

... the name in the Debug navigator Plug in your device and don't forget to select your device as the target Debug > Attach to Process > By Process Identifier (PID) or Name Enter the name from step 1 and attach. That should be all you have to do. ...
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ServiceStack vs ASP.Net Web API [closed]

...solveService<T>() method which returns an auto-wired instance of the selected service as seen in the Nortwind CustomerDetails Service example: var ordersService = base.ResolveService<OrdersService>(); var ordersResponse = (OrdersResponse)ordersService.Get( new Orders { CustomerId = ...
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ThreadStart with parameters

... +1: Even though the currently selected answer is absolutely correct, this one by JaredPar is the better one. It simply is the best solution for most practical cases. – galaktor Oct 10 '09 at 10:27 ...