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Extension methods cannot be dynamically dispatched

...Cast the dynamic types to actual types, and it will work. From what I see now, I'd say: (string) ViewBag.MagNo Which would result in @foreach (var item in Model) { @Html.DropDownListFor(modelItem => item.TitleIds, new SelectList(ViewBag.TitleNames as System.Collections.IEnumerabl...
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Doing something before program exit

...e atexit module: http://docs.python.org/library/atexit.html For example, if I wanted to print a message when my application was terminating: import atexit def exit_handler(): print 'My application is ending!' atexit.register(exit_handler) Just be aware that this works great for normal ter...
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Hidden Features of MySQL

I've been working with Microsoft SQL Server with many years now but have only just recently started to use MySQL with my web applications, and I'm hungry for knowledge. ...
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How to list all properties of a PowerShell object

... If you want to know what properties (and methods) there are: Get-WmiObject -Class "Win32_computersystem" | Get-Member share | ...
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How do I get indices of N maximum values in a NumPy array?

...]: array([4, 3, 1]) This involves a complete sort of the array. I wonder if numpy provides a built-in way to do a partial sort; so far I haven't been able to find one. If this solution turns out to be too slow (especially for small n), it may be worth looking at coding something up in Cython. ...
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Export specific rows from a PostgreSQL table as INSERT SQL script

... tool, it's just that it has error in date-time data in the script result. If none can give GUI tool solution in 2 days, your answer will be accepted – null Oct 10 '12 at 9:54 2 ...
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Execute the setInterval function without delay the first time

...ve immediately after each other without any delay. Another reason is that if you want to stop the loop you have to explicitly call clearInterval which means you have to remember the handle returned from the original setInterval call. So an alternative method is to have foo trigger itself for subse...
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Which SQL query is faster? Filter on Join criteria or Where clause?

...same plans) Logically, you should make the operation that still has sense if you replace INNER JOIN with a LEFT JOIN. In your very case this will look like this: SELECT * FROM TableA a LEFT JOIN TableXRef x ON x.TableAID = a.ID AND a.ID = 1 LEFT JOIN TableB b ON ...
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Create or write/append in text file

... does this create a text file if it does not exist? – Jerahmeel Acebuche Jul 26 '14 at 15:19 5 ...
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Algorithm to detect overlapping periods [duplicate]

I've to detect if two time periods are overlapping. Every period has a start date and an end date. I need to detect if my first time period (A) is overlapping with another one(B/C). In my case, if the start of B is equal to the end of A, they are not overlapping(the inverse too) I found th...