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C# Entity-Framework: How can I combine a .Find and .Include on a Model Object?
... Expression.Property(parameter, p.Name),
Expression.Convert(
Expression.PropertyOrField(Expression.Constant(new { id = id[i] }), "id"),
p.ClrType)))
.Aggregate(Expression.AndAlso);
return Expression.Lambda<Func<...
Why is it impossible to build a compiler that can determine if a C++ function will change the value
...er any given program will terminate. This is known as the halting problem, and it's one of those things that's not computable.
To be clear, you can write a compiler that can determine that a function does change the variable in some cases, but you can't write one that reliably tells you that the fu...
How to deserialize a JObject to .NET object
...um instance
Album album = jalbum.ToObject<Album>();
Documentation: Convert JSON to a Type
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How to maintain a Unique List in Java?
... no duplicate elements. More formally, sets contain no pair of elements e1 and e2 such that e1.equals(e2), and at most one null element. As implied by its name, this interface models the mathematical set abstraction.
Note: Great care must be exercised if mutable objects are used as set elements...
Creating my own Iterators
...
You should use Boost.Iterators. It contains a number of templates and concepts to implement new iterators and adapters for existing iterators. I have written an article about this very topic; it's in the December 2008 ACCU magazine. It discusses an (IMO) elegant solution for exactly your pr...
How to reference a method in javadoc?
...rmation about JavaDoc at the Documentation Comment Specification for the Standard Doclet, including the information on the
{@link package.class#member label}
tag (that you are looking for). The corresponding example from the documentation is as follows
For example, here is a comment that...
How to round an image with Glide library?
... The glide drawables are not BitmapDrawables. They are transitiondrawables and glidedrawables which crossfade from the placeholder to the real image. The RoundedBitmapDrawable cannot handle that.
– Greg Ennis
Apr 22 '16 at 14:31
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Why is this F# code so slow?
A Levenshtein implementation in C# and F#. The C# version is 10 times faster for two strings of about 1500 chars. C#: 69 ms, F# 867 ms. Why? As far as I can tell, they do the exact same thing? Doesn't matter if it is a Release or a Debug build.
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Using a 'using alias = class' with generic types? [duplicate]
... A using alias directive cannot have an open generic type on the right hand side. For example, you cannot create a using alias for a List<T>, but you can create one for a List<int>. msdn.microsoft.com/en-us/library/sf0df423.aspx
– Sergey Mirvoda
...
Calculating frames per second in a game
...asiest way is to take the current answer (the time to draw the last frame) and combine it with the previous answer.
// eg.
float smoothing = 0.9; // larger=more smoothing
measurement = (measurement * smoothing) + (current * (1.0-smoothing))
By adjusting the 0.9 / 0.1 ratio you can change the 'tim...