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puts vs logger in rails rake tasks
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Put this in application.rb, or in a rake task initialize code
if defined?(Rails) && (Rails.env == 'development')
Rails.logger = Logger.new(STDOUT)
end
This is Rails 3 code. Note that this will override logging to development.log. If you want both STDOUT and de...
What part of Hindley-Milner do you not understand?
...".)
Γ is usually used to refer to an environment or context; in this case it can be thought of as a set of type annotations, pairing an identifier with its type. Therefore x : σ ∈ Γ means that the environment Γ includes the fact that x has type σ.
⊢ can be read as proves or determines. Γ ...
Using arrays or std::vectors in C++, what's the performance gap?
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Using C++ arrays with new (that is, using dynamic arrays) should be avoided. There is the problem you have to keep track of the size, and you need to delete them manually and do all sort of housekeeping.
Using arrays on the stack is also dis...
Best practice to call ConfigureAwait for all server-side code
... functions are asynchronous - so they return Task<SomeObject> - is it considered best practice that any time you await functions that you call ConfigureAwait(false) ?
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What is code coverage and how do YOU measure it?
What is code coverage and how do YOU measure it?
9 Answers
9
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Creating an empty list in Python
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Here is how you can test which piece of code is faster:
% python -mtimeit "l=[]"
10000000 loops, best of 3: 0.0711 usec per loop
% python -mtimeit "l=list()"
1000000 loops, best of 3: 0.297 usec per loop
However, in practice, this initialization is most likely an extremely small part of you...
ASP.NET_SessionId + OWIN Cookies do not send to browser
I have a strange problem with using Owin cookie authentication.
9 Answers
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How to check that a string is a palindrome using regular expressions?
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The answer to this question is that "it is impossible". More specifically, the interviewer is wondering if you paid attention in your computational theory class.
In your computational theory class you learned about finite state machines. A finite state machine ...
How to cache data in a MVC application
...s();
Cache["names"] = names;
}
return names;
}
A bit simplified but I guess that would work. This is not MVC specific and I have always used this method for caching data.
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Best way to build a Plugin system with Java
...implement some kind of sandboxing so that the plugin is restricted in what it can and can not do. I have created a small test application (and blogged about it) that consists of two plugins, one of which is denied access to local resources.
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