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An item with the same key has already been added
I get this error whenever I submit the form also the action method is not being called because of this:
21 Answers
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Installing PDO driver on MySQL Linux server
I was suggested, not long ago, to change my code to use PDO in order to parameterize my queries and safely save HTML in the database.
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Print new output on same line [duplicate]
I want to print the looped output to the screen on the same line.
7 Answers
7
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What reference do I need to use Microsoft.Office.Interop.Excel in .NET?
I am interested in using C# to manipulate/Automate Excel files.
15 Answers
15
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How do I repeat an edit on multiple lines in Vim?
I'm aware that in Vim I can often repeat a command by simply adding a number in front of it. For example, one can delete 5 lines by:
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Is it possible to use AutoLayout with UITableView's tableHeaderView?
Since I discovered AutoLayout I use it everywhere, now I'm trying to use it with a tableHeaderView .
29 Answers
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Get the generated SQL statement from a SqlCommand object?
I have the following code:
23 Answers
23
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Can I see changes before I save my file in Vim?
I use Vim.
I open a file. I edit it and I want to see what I've edited before I save it.
14 Answers
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Is there a way to make R beep/play a sound at the end of a script?
When I run R scripts I go do something else on a different desktop. If I don't check frequently, I never know when something is finished. Is there a way to invoke a beep (like a system beep) or get R to play a sound or notify growl via some code at the end of my script?
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Multiple inheritance/prototypes in JavaScript
I've come to a point where I need to have some sort of rudimentary multiple inheritance happening in JavaScript. (I'm not here to discuss whether this is a good idea or not, so please kindly keep those comments to yourself.)
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