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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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Limit file format when using ?

...te of <input type = "file"> can help to provide a filter in the file select dialog box of the OS. For example, <!-- (IE 10+, Edge (EdgeHTML), Edge (Chromium), Chrome, Firefox 42+) --> <input type="file" accept=".xls,.xlsx" /> should provide a way to filter out files other...
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How to set conditional breakpoints in Visual Studio?

...t a breakpoint. Right-Click over the breakpoint, and in the popup menu you select an option that suites you. These options are as follows: You can set a condition, based on a code expression that you supply (select Condition from the popup menu). For instance, you can specify that foo == 8 or s...
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TFS: Updating branch with changes from main

... From Visual Studio, open Source Control Explorer: View | Team Explorer Select your Team Project from Team Explorer, expand it, and double click Source Control In the left-hand pane of Source Control Explorer, select your Team Project. In the right-hand pane, find your mainline branch, right-clic...
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Python Pandas: Get index of rows which column matches certain value

... [57]: idx Out[57]: Int64Index([10, 40, 50], dtype='int64') then you can select the rows using loc instead of iloc: In [58]: df.loc[idx] Out[58]: BoolCol 10 True 40 True 50 True [3 rows x 1 columns] Note that loc can also accept boolean arrays: In [55]: df.loc[df['BoolCol']] Ou...
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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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Sorting rows in a data table

... Its Simple Use .Select function. DataRow[] foundRows=table.Select("Date = '1/31/1979' or OrderID = 2", "CompanyName ASC"); DataTable dt = foundRows.CopyToDataTable(); And it's done......Happy Coding ...
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EOL conversion in notepad ++

...That functionality is already built into Notepad++. From the "Edit" menu, select "EOL Conversion" -> "UNIX/OSX Format". screenshot of the option for even quicker finding (or different language versions) You can also set the default EOL in notepad++ via "Settings" -> "Preferences" -> "New...
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Install .ipa to iPad with or without iTunes

... In Xcode 5 open the organizer (Window > Organizer) and select "Devices" at the top. Your plugged in device should show up on the left hand side. Drag the IPA file over to that device. In Xcode 6 and Xcode 7 open Devices (Window > Devices). Again your device should show up in ...
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LINQ Select Distinct with Anonymous Types

...DelegateComparer<T>(equals,null)); } } var uniqueItems=students.Select(s=> new {FirstName=s.FirstName, LastName=s.LastName}) .Distinct((a,b) => a.FirstName==b.FirstName, c => c.FirstName.GetHashCode()).ToList(); Sorry for the messed up formatting earlier ...