This code works, but is inefficient because it double-lookups the ignored dictionary. How can I use the dictionary TryGetValue() method in the LINQ statement to make it more efficient? IDictionary...

I'm doing a performance critical program (little academic stuff) and I'm looking to optimize wherever possible (not like it proved "this is the" bottleneck). I have a custom dictionary struc...

When doing something like: int value; if (dict.TryGetValue(key, out value)) { if (condition) { //value = 0; this copies by value so it doesn't change the existing value dict[key] = 0; } } else...

I have this dictionary and tuples set up in SetValue() as below :- var myDict = new Dictionary<string, Tuple<string, string>>(); private void SetValue() { var myTuple1= Tuple.Create...

I'd like to test if an id was not yet known or, if it is known, if the associated value has changed. I'm currently using code similar to this, but it is hard to understand for those not familiar wi...