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There is no ViewData item of type 'IEnumerable' that has the key 'xxx'
...his on Stack Overflow but none with an answer that seem to fix the problem in my current situation.
10 Answers
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How to delete all datastore in Google App Engine?
Does anyone know how to delete all datastore in Google App Engine ?
28 Answers
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Browse the files created on a device by the iOS application I'm developing, on workstation?
I'm developing an IOS app that creates files on the device, e.g. with NSKeyedArchiver .
6 Answers
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How do I change the text of a span element using JavaScript?
...hile older browsers may not know textContent, it is not recommended to use innerHTML as it introduces an XSS vulnerability when the new text is user input (see other answers below for a more detailed discussion):
//POSSIBLY INSECURE IF NEWTEXT BECOMES A VARIABLE!!
document.getElementById("myspan")....
Getting current date and time in JavaScript
I have a script that prints the current date and time in JavaScript, but the DATE is always wrong. Here is the code:
27 A...
Select columns from result set of stored procedure
...d 300 rows. I want to write a select that gets 2 of those columns. Something like
18 Answers
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Database: To delete or not to delete records
I don't think I am the only person wondering about this. What do you usually practice about database behavior? Do you prefer to delete a record from the database physically? Or is it better to just flag the record with a "deleted" flag or a boolean column to denote the record is active or inactive?
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How to test an Internet connection with bash?
How can an internet connection be tested without pinging some website?
I mean, what if there is a connection but the site is down? Is there a check for a connection with the world?
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Finding ALL duplicate rows, including “elements with smaller subscripts”
R's duplicated returns a vector showing whether each element of a vector or data frame is a duplicate of an element with a smaller subscript. So if rows 3, 4, and 5 of a 5-row data frame are the same, duplicated will give me the vector
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Is there a [Go to file…]?
In modern IDEs, there is a keyboard shortcut to open a file by typing its name without putting your hand on the mouse. For example:
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