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Python creating a dictionary of lists

... Personally, I just use JSON to convert things to strings and back. Strings I understand. import json s = [('yellow', 1), ('blue', 2), ('yellow', 3), ('blue', 4), ('red', 1)] mydict = {} hash = json.dumps(s) mydict[hash] = "whatever" print mydict #{'[["ye...
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Why doesn't C# support the return of references?

...e collection story. Also the "managed reference to variable" types are not convertible to object, and therefore may not be used as type arguments to generic types or methods.) Commenter "RPM1984" for some reason asked for a citation for this fact. RPM1984 I encourage you to read the CLI specificat...
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A Java collection of value pairs? (tuples?)

...wn"? That's terrible software engineering. Are the N^2 adapter classes to convert between MyPair and SomeoneElsesPair also considered easy enough to write on one's own? – djechlin Nov 1 '13 at 18:59 ...
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'and' (boolean) vs '&' (bitwise) - Why difference in behavior with lists vs numpy arrays?

...f the statement 'my car has wheels') => number If python knows how to convert the statements to numeric values, then it will do so and compute the bitwise-and of the two values. This may lead you to believe that & is interchangeable with and, but as with the above example they are different...
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C# Lambda expressions: Why should I use them?

...can be used. However, the opposite is not true; lambda expressions can be converted to expression trees which allows for a lot of the magic like LINQ to SQL. The following is an example of a LINQ to Objects expression using anonymous delegates then lambda expressions to show how much easier on t...
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How does the const constructor actually work?

...ecognize equivalence of these constants. Canonicalization: A process for converting data that has more than one possible representation into a "standard" canonical representation. This can be done to compare different representations for equivalence, to count the number of distinct data structures...
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How do I remove diacritics (accents) from a string in .NET?

I'm trying to convert some strings that are in French Canadian and basically, I'd like to be able to take out the French accent marks in the letters while keeping the letter. (E.g. convert é to e , so crème brûlée would become creme brulee ) ...
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Execution time of C program

...s, for example, gettimeofday is basically a wrapper for clock_gettime that converts nanoseconds to microseconds. – Peter Cordes Apr 5 '19 at 8:11 add a comment ...
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Why does the indexing start with zero in 'C'?

...pression (such as the name of an array object) is usually, but not always, converted to a pointer to the first element. Example: sizeof arr yields the size of the array object, not the size of a pointer. – Keith Thompson Sep 21 '11 at 7:44 ...
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get string value from HashMap depending on key name

...;>(); Using this will make your code cleaner and also you don't have to convert the result of hs.get("my_code") to string as by default it returns value of string if at entry time one has kept value as a string. share ...