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Is there any Rails function to check if a partial exists?

When I render a partial which does not exists, I get an Exception. I'd like to check if a partial exists before rendering it and in case it doesn't exist, I'll render something else. I did the following code in my .erb file, but I think there should be a better way to do this: ...
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IIS_IUSRS and IUSR permissions in IIS8

I've just moved away from IIS6 on Win2003 to IIS8 on Win2012 for hosting ASP.NET applications. 6 Answers ...
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C/C++ with GCC: Statically add resource files to executable/library

... or alternatively std::stringstream to make an iostream. std::stringstream is not great for this though and you can of course just use a pointer anywhere you can use an iterator. If you're using this with automake don't forget to set BUILT_SOURCES appropriately. The nice thing about doing it this...
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What should every developer know about databases? [closed]

...ases or may have to work with one someday. And considering the amount of misuse and abuse in the wild, and the volume of database-related questions that come up every day, it's fair to say that there are certain concepts that developers should know - even if they don't design or work with databases...
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.NET data structures: ArrayList, List, HashTable, Dictionary, SortedList, SortedDictionary — Speed,

...ot always sure when to use one and when to use another. Most of my C# and Visual Basic books talk about them to a certain extent, but they never really go into any real detail. ...
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Is delete this allowed?

Is it allowed to delete this; if the delete-statement is the last statement that will be executed on that instance of the class? Of course I'm sure that the object represented by the this -pointer is new ly-created. ...
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What's the difference between ConcurrentHashMap and Collections.synchronizedMap(Map)?

I have a Map which is to be modified by several threads concurrently. 19 Answers 19 ...
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Under what circumstances is an SqlConnection automatically enlisted in an ambient TransactionScope T

What does it mean for an SqlConnection to be "enlisted" in a transaction? Does it simply mean that commands I execute on the connection will participate in the transaction? ...
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Algorithm to calculate the number of divisors of a given number

What would be the most optimal algorithm (performance-wise) to calculate the number of divisors of a given number? 27 Answe...
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How to check if string input is a number? [duplicate]

How do I check if a user's string input is a number (e.g. -1 , 0 , 1 , etc.)? 24 Answers ...