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“A project with an Output type of Class Library cannot be started directly”

...oject in Solution Explorer -> Properties. In opened tab with properties select Application and there will be ComboBox marked with Output Type label. share | improve this answer | ...
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Is it possible to roll back CREATE TABLE and ALTER TABLE statements in major SQL databases?

...es. Also, not all situations are quite handled- for example, if you try to select from table foo while another transaction is dropping it and creating a replacement table foo, then the blocked transaction will finally receive an error rather than finding the new foo table. (Edit: this was fixed in o...
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Why would you use an ivar?

..., @"Isabella", @"Ava", @"Mia", @"Emily", @"Abigail", @"Madison", @"Charlotte" ]; const NSUInteger nameCount = maleNames.count; assert(maleNames.count == femaleNames.count); // Better be safe than sorry allAcocuntsA = [NSMutableArray arrayWithCapacity:ammount]; allAccount...
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How can I change the table names when using ASP.NET Identity?

...atest (RTM) version of AspNet.Identity. When I create a new web project, I select "Individual User Accounts" for authentication. This creates the following tables: ...
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How dangerous is it to compare floating point values?

... [The 'right answer' glosses over selecting K. Selecting K ends up being just as ad-hoc as selecting VISIBLE_SHIFT but selecting K is less obvious because unlike VISIBLE_SHIFT it is not grounded on any display property. Thus pick your poison - select K or s...
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byte + byte = int… why?

...ly thing that happened is an addition of 2 ints. – RichardTheKiwi Apr 3 '11 at 23:22 2 ...
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Access-control-allow-origin with multiple domains

...r paths = new List<string>(AppSettings.whiteListDomainCors.Split(new char[] { ',' })); foreach (var value in paths) { current.Add(value); } } } I found this guide online and it worked like a charm : http://jnye.co/Posts/2032/dynamic-cors-origins-from-...
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Data binding to SelectedItem in a WPF Treeview

How can I retrieve the item that is selected in a WPF-treeview? I want to do this in XAML, because I want to bind it. 20 An...
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Pandas selecting by label sometimes return Series, sometimes returns DataFrame

In Pandas, when I select a label that only has one entry in the index I get back a Series, but when I select an entry that has more then one entry I get back a data frame. ...
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Freezing Row 1 and Column A at the same time

... Select cell B2 and click "Freeze Panes" this will freeze Row 1 and Column A. For future reference, selecting Freeze Panes in Excel will freeze the rows above your selected cell and the columns to the left of your selected ce...