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How to find where a method is defined at runtime?

...d occurred, a backend process failed to run. Now, we were good little boys and girls and ran rake test after every check-in but, due to some oddities in Rails' library loading, it only occurred when we ran it directly from Mongrel in production mode. ...
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How to create a CPU spike with a bash command

...want to create a near 100% load on a Linux machine. It's quad core system and I want all cores going full speed. Ideally, the CPU load would last a designated amount of time and then stop. I'm hoping there's some trick in bash. I'm thinking some sort of infinite loop. ...
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C# generic type constraint for everything nullable

...time check, you can check if the type is not a reference or nullable type, and throw an exception if that's the case. I realise that only having a runtime check may be unacceptable, but just in case: public class Foo<T> { private T item; public Foo() { var type = typeof(...
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How to drop SQL default constraint without knowing its name?

...ver, I know the query to check if a default constraint exists for a column and drop a default constraint is: 14 Answers ...
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Delete terminal history in Linux [closed]

When you use the up key in a Linux terminal, you can use previous commands again. Great feature. However, I started logging mysql into mysql with the sensitive details in the command. ...
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Multiple Type Constraints in Swift

... Any way to do the same thing with classes and structs in the type contraint expression? e.g. <T where T:SomeStruct, T:AnotherStruct>? For classes the compiler appears to interpret this as saying "T is a subclass of both", and for structs it just complains that ...
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Bootstrap throws Uncaught Error: Bootstrap's JavaScript requires jQuery [closed]

...n interface for a program. I added jQuery 1.11.0 to the <head> tag and thought that was that, but when I launch the web page in a browser jQuery reports an error: ...
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How does HTTP file upload work?

... Let's take a look at what happens when you select a file and submit your form (I've truncated the headers for brevity): POST /upload?upload_progress_id=12344 HTTP/1.1 Host: localhost:3000 Content-Length: 1325 Origin: http://localhost:3000 ... other headers ... Content-Type: multip...
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What is uint_fast32_t and why should it be used instead of the regular int and uint32_t?

...pedef :ed primitive data types is to abstract the low-level representation and make it easier to comprehend ( uint64_t instead of long long type, which is 8 bytes). ...
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What is the equivalent of MATLAB's repmat in NumPy

... repmat(a, m, n) is tile(a, (m, n)). This works with multiple dimensions and gives a similar result to matlab. (Numpy gives a 3d output array as you would expect - matlab for some reason gives 2d output - but the content is the same). Matlab: >> repmat([1;1],[1,1,1]) ans = 1 1 ...