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jQuery `.is(“:visible”)` not working in Chrome

...n appended to a document since it depends on the applicable styles. All option elements are considered hidden, regardless of their selected state. During animations that hide an element, the element is considered visible until the end of the animation. During animations to show an ...
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How to shut down the computer from C#

...vice usually doesnt have the permissions for it. – AK_ Apr 11 '13 at 21:20 The power consumption state of the machine ...
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How can I find the last element in a List?

...elp. Enumerable.Last will throw an exception if the list is empty. If you call Enumerable.LastOrDefault and pass a list of value types the default value will be returned if the list is empty. So if you get 0 back from a List<int> you won't know if the list was empty or the last value was 0. I...
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Split code over multiple lines in an R script

... Bah, comments are too small. Anyway, @Dirk is very right. R doesn't need to be told the code starts at the next line. It is smarter than Python ;-) and will just continue to read the next line whenever it considers the statement as "not finished". ...
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Escape Character in SQL Server

...(1000) SET @SQL = 'SELECT * FROM MyTable WHERE Field1 = @Field1' EXECUTE sp_executesql @SQL, N'@Field1 VARCHAR(10)', 'AAA' share | improve this answer | follow ...
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Invalid postback or callback argument. Event validation is enabled using '

... One more option: implement IPostBackEventHandler and call js __doPostBack('<%= UniqueId.ToString() %>',arg) – gdbdable May 22 '14 at 7:11 ...
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Unix command-line JSON parser? [closed]

... "bar": 2, "foo": 1 } Note: Depending on your version of python, all keys might get sorted alphabetically, which can or can not be a good thing. With python 2 it was the default to sort the keys, while in python 3.5+ they are no longer sorted automatically, but you have the option to sort ...
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Does ruby have real multithreading?

...ing models. (Unfortunately, only two of those 11 implementations are actually ready for production use, but by the end of the year that number will probably go up to four or five.) (Update: it's now 5: MRI, JRuby, YARV (the interpreter for Ruby 1.9), Rubinius and IronRuby). The first implement...
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Which MySQL datatype to use for an IP address? [duplicate]

I want to get the IP address from $_SERVER['REMOTE_ADDR'] and some other $_SERVER variables, which datatype is the right one for this? ...
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dplyr: “Error in n(): function should not be called directly”

...ction" specification, like example below: delay <- dplyr::summarise(by_tailnum, count = n(), dist = mean(distance, na.rm = TRUE), delay = mean(arr_delay, na.rm = TRUE)) share | improv...