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How to detect total available/free disk space on the iPhone/iPad device?

I'm looking for a better way to detect available/free disk space on the iPhone/iPad device programmatically. Currently I'm using the NSFileManager to detect the disk space. Following is the snippet of the code which does the job for me: ...
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The type must be a reference type in order to use it as parameter 'T' in the generic type or method

I'm getting deeper into generics and now have a situation I need help with. I get a compile error on the 'Derived' class below as shown in the subject title. I see many other posts similar to this one but I'm not seeing the relationship. Can someone tell me how to resolve this? ...
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How to create new tmux session if none exists

I am trying to figure out how to attach to a tmux session if a named tmux session exists, if not I want to create a new one with the given name. ...
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How to make a Java class that implements one interface with two generic types?

I have a generic interface 9 Answers 9 ...
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Are there any side effects of returning from inside a using() statement?

Returning a method value from inside a using statement that gets a DataContext seems to always work fine , like this: 5 ...
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How well is Unicode supported in C++11?

I've read and heard that C++11 supports Unicode. A few questions on that: 5 Answers 5 ...
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LEFT OUTER JOIN in LINQ

How to perform left outer join in C# LINQ to objects without using join-on-equals-into clauses? Is there any way to do that with where clause? Correct problem: For inner join is easy and I have a solution like this ...
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Getting the PublicKeyToken of .Net assemblies

What is the simplest way to find the Public-Key-Token of an assembly? 13 Answers 13 ...
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How to TryParse for Enum value?

I want to write a function which can validate a given value (passed as a string) against possible values of an enum . In the case of a match, it should return the enum instance; otherwise, it should return a default value. ...
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Should I use != or for not equal in T-SQL?

I have seen SQL that uses both != and <> for not equal . What is the preferred syntax and why? 14 Answers ...