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7 Ιαν 2012 · By not using a dictionary. Dictionary<TKey, TValue> is implemented as a hash-table. The position of keys internal to the dictionary depends upon the hash-code, the means by which that hash-code was reduced further to provide an index into its internal structure, and the order of insertion in an entirely implementation-dependant way.
Your main problem is that you want to write python in C#. C# is mainly statically typed, and you should take advantage of that. You can use dynamic and something like expando object to get behavior similar to dynamically typed languages. But idiomatic C# uses static typing with classes that define your members instead of dictionaries.
8 Απρ 2011 · You can replace the variable yourDictionary with your actual variable. var convertedDictionary = yourDictionary.ToDictionary(item => item.Key.ToString(), item => item.Value.ToString()); //This converts your dictionary to have the Key and Value of type string. We do this, because both the Key and Value has to be of type string, as a requirement ...
List<T> () Initializes a new instance of the List<T> class that is empty and has the default initial capacity. List<T> (IEnumerable<T>) Initializes a new instance of the List<T> class that contains elements copied from the specified collection and has sufficient capacity to accommodate the number of elements copied.
26 Ιουλ 2013 · If the key doesn't exist then I create a new entry with a new list with a value, if the key exists then I jsut add a value to the List value ex. Dictionary<string, List<string>> myDic = new Dictionary<string, List<string>>(); myDic.Add(newKey, add to existing list<strings> and not create new one)
8 Απρ 2015 · myDict[myKey].Add(myVal); myDict[myKey] = new List<string> { myVal }; If the key is not in the dictionary you create an entry together with the list and initialize the list with the new value. If the key is there you just access the list (by using myDict[myKey]) and add the new value to the list. Since the list is always created for a new key ...
17 Δεκ 2014 · dict.ToList() will return collection of KeyValuePair<string, List<Tuple<DateTime, double>>(). If you want to hold all value's collection items in inside one list (flatten values) you need SelectMany :
