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How can I color Python logging output?
...ous value, before returning the formatted string (credit to Michael in the comments).
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The relationship could not be changed because one or more of the foreign-key properties is non-nulla
... entity and then set the collection of child entities to my new list which comes from the MVC view.
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Wrap a delegate in an IEqualityComparer
Several Linq.Enumerable functions take an IEqualityComparer<T> . Is there a convenient wrapper class that adapts a delegate(T,T)=>bool to implement IEqualityComparer<T> ? It's easy enough to write one (if your ignore problems with defining a correct hashcode), but I'd like to know...
What is Rack middleware?
...include them) is a great help in developing well structured applications.
Community
There's also a great eco-system developing around Rack Middleware - you should be able to find pre-built rack components to do all of the steps above and more. See the Rack GitHub wiki for a list of middleware.
Wh...
How does BLAS get such extreme performance?
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A good starting point is the great book The Science of Programming Matrix Computations by Robert A. van de Geijn and Enrique S. Quintana-Ortí. They provide a free download version.
BLAS is divided into three levels:
Level 1 defines a set of linear algebra functions that operate on vectors only. ...
Best Practice for Exception Handling in a Windows Forms Application?
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How to calculate the difference between two dates using PHP?
...f doing this is like described by jurka below. My code is generally only recommended if you don't have PHP 5.3 or better.
Several people in the comments have pointed out that the code above is only an approximation. I still believe that for most purposes that's fine, since the usage of a range is ...
What is the difference between “px”, “dip”, “dp” and “sp”?
... screen density, but not necessarily
in direct proportion. Note: The compiler accepts both "dip" and
"dp", though "dp" is more consistent with "sp".
sp
Scale-independent Pixels - this is like the dp unit, but it is also scaled by the user's font size preference. It is recommended y...
Simulator or Emulator? What is the difference?
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Exactly the opposite answer here: stackoverflow.com/questions/2174638/…
– smwikipedia
Dec 16 '15 at 1:21
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When should I really use noexcept?
...y, I care about noexcept because of the increased freedom provided to the compiler to safely apply certain kinds of optimizations.
It seems like the biggest optimization gains are from user optimizations, not compiler ones due to the possibility of checking noexcept and overloading on it. Most co...