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Error :Request header field Content-Type is not allowed by Access-Control-Allow-Headers
I created an mvc4 web api project using vS2012. I used following tutorial to solve the Cross-Origin Resource Sharing, "http://blogs.msdn.com/b/carlosfigueira/archive/2012/07/02/cors-support-in-asp-net-web-api-rc-version.aspx". It is working successfully, and i post data from client side to server s...
multiple definition of template specialization when using different objects
When I use a specialized template in different object files, I get a "multiple definition" error when linking. The only solution I found involves using the "inline" function, but it just seems like some workaround. How do I solve that without using the "inline" keyword? If that's not possible, why?
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Convert data.frame column format from character to factor
I would like to change the format (class) of some columns of my data.frame object ( mydf ) from charactor to factor .
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`elif` in list comprehension conditionals
Can we use elif in list comprehension?
6 Answers
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What is the difference between onBlur and onChange attribute in HTML?
When is one called versus the other? Is there a situation were onChange would be called but onBlur would not be called?
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How to display the current year in a Django template?
What is the inbuilt template tag to display the present year dynamically. Like "2011" what would be the template tag to display that?
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Going to a specific line number using Less in Unix
... file that has around million lines. I need to go to line number 320123 to check the data. How do I do that?
5 Answers
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Make column not nullable in a Laravel migration
I'm writing a migration to make certain columns in a table nullable right now. For the down function, I of course want to make those columns not nullable again. I looked through the schema builder docs , but couldn't see a way to do this.
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What happens if you call erase() on a map element while iterating from begin to end?
In the following code I loop through a map and test if an element needs to be erased. Is it safe to erase the element and keep iterating or do I need to collect the keys in another container and do a second loop to call the erase()?
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Positioning a div near bottom side of another div
I have outer div and inner div. I need to place inner div at the bottom of the outer one.
4 Answers
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