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Get matching enum int values from list of strings


Get matching enum int values from list of strings

By : user2956641
Date : November 22 2020, 10:56 AM
I wish did fix the issue. I have a enum of colors with different int values
code :
var res = colorList.Select(x => (int)Enum.Parse(typeof(Colors), x, true)).ToList();
 var res = colorList.Where(x=> Enum.IsDefined(typeof(Colors), x))
                    .Select(x => (int)Enum.Parse(typeof(Colors), x, true)).ToList();


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Polymorphically convert Java enum values into a list of strings

Polymorphically convert Java enum values into a list of strings


By : user1391388
Date : March 29 2020, 07:55 AM
hop of those help? using Class#getEnumConstants() is simple:
code :
static <T extends Enum<T>> List<String> toStringList(Class<T> clz) {
     try {
        List<String> res = new LinkedList<String>();
        Method getDisplayValue = clz.getMethod("getDisplayValue");

        for (Object e : clz.getEnumConstants()) {
            res.add((String) getDisplayValue.invoke(e));

        }

        return res;
    } catch (Exception ex) {
        throw new RuntimeException(ex);
    }
}
Find matching KVP from Dictionary<List<enum>,string> where search key is List<enum> and return reverse

Find matching KVP from Dictionary<List<enum>,string> where search key is List<enum> and return reverse


By : charlitos1mx
Date : March 29 2020, 07:55 AM
fixed the issue. Will look into that further You need to rethink about you choice of Keys in dictionary. There are some major problem with List keys, such as:
code :
var a = new[] { fruit.organge }.ToList();
var b = new[] { fruit.organge }.ToList();
fruitBasket.Add(a, "1");
fruitBasket.Add(b, "2");
[Flags]
public Enum Fruit
{
   Orange = 1,
   Apple = 2,
   Banana = 4,
   Grape = 8
}
    private static fruit GetKey(IEnumerable<fruit> fruits)
    {
        return fruits.Aggregate((x, y) => x |= y);
    }

    private static IEnumerable<fruit> GetFruits(fruit combo)
    {
        return Enum.GetValues(typeof(fruit)).Cast<int>().Where(x => ((int)combo & x) > 0).Cast<fruit>();
    }
    private static IEnumerable<fruit> GetCombinations(IEnumerable<fruit> fruits)
    {
        return Enumerable.Range(0, 1 << fruits.Count())
            .Select(mask => fruits.Where((x, i) => (mask & (1 << i)) > 0))
            .Where(x=>x.Any())
            .Select(x=> GetKey(x));
    }
var fruitBaskets = new Dictionary<fruit, string>();

fruitBaskets.Add(GetKey(new List<fruit> { fruit.apple, fruit.orange }), "Basket 1");

List<fruit> SearchList = new List<fruit> { fruit.orange, fruit.apple, fruit.grapes };

foreach (var f in GetCombinations(SearchList))
{
    if (fruitBaskets.ContainsKey(f))
        Console.WriteLine(fruitBaskets[f]);
}
Python matching strings in list and incrementing values

Python matching strings in list and incrementing values


By : Desp
Date : March 29 2020, 07:55 AM
I hope this helps . I have two lists one as a global, and one as a local in a function , You can try this:
code :
List1 = [[['MP01'], 0], [['MP02'], 0], [['MP03'], 0], [['MP04'], 0], [['MP05'], 0], [['MP06'], 0], [['MP07'], 0], [['MP08'], 0], [['MP09'], 0], [['MP10'], 0], [['MP11'], 0], [['MP12'], 0], [['MP13'], 0], [['MP14'], 0], [['MP15'], 0], [['MP16'], 0], [['MP17'], 0], [['MP18'], 0], [['MP19'], 0], [['MP20'], 0], [['MP21'], 0], [['MP22'], 0], [['MP23'], 0], [['MP24'], 0], [['MP25'], 0], [['MP26'], 0], [['MP27'], 0], [['MP28'], 0], [['MP29'], 0], [['MP30'], 0], [['MP31'], 0], [['MP32'], 0]]

List2 = [['MP18', 100], ['MP28', 50], ['MP20', 30], ['MP07', 30], ['MP12', 10], ['MP03', 10], ['MP30', 10], ['MP14', 10], ['MP15', 5], ['MP16', 5], ['MP13', 5], ['MP02', 5], ['MP26', 5], ['MP23', 5], ['MP22 ', 5], ['MP01', 5]]
final_list = [[[a], b+dict(List2).get(a, 0)] for [a], b in List1]
new_final_list = [[[a], 2*b] for [a], b in List1]
[[['MP01'], 0], [['MP02'], 0], [['MP03'], 0], [['MP04'], 0], [['MP05'], 0], [['MP06'], 0], [['MP07'], 0], [['MP08'], 0], [['MP09'], 0], [['MP10'], 0], [['MP11'], 0], [['MP12'], 0], [['MP13'], 0], [['MP14'], 0], [['MP15'], 0], [['MP16'], 0], [['MP17'], 0], [['MP18'], 0], [['MP19'], 0], [['MP20'], 0], [['MP21'], 0], [['MP22'], 0], [['MP23'], 0], [['MP24'], 0], [['MP25'], 0], [['MP26'], 0], [['MP27'], 0], [['MP28'], 0], [['MP29'], 0], [['MP30'], 0], [['MP31'], 0], [['MP32'], 0]]
List1 = [[['MP01'], 0], [['MP02'], 0], [['MP03'], 0], [['MP04'], 0], [['MP05'], 0], [['MP06'], 0], [['MP07'], 0], [['MP08'], 0], [['MP09'], 0], [['MP10'], 0], [['MP11'], 0], [['MP12'], 0], [['MP13'], 0], [['MP14'], 0], [['MP15'], 0], [['MP16'], 0], [['MP17'], 0], [['MP18'], 0], [['MP19'], 0], [['MP20'], 0], [['MP21'], 0], [['MP22'], 0], [['MP23'], 0], [['MP24'], 0], [['MP25'], 0], [['MP26'], 0], [['MP27'], 0], [['MP28'], 0], [['MP29'], 0], [['MP30'], 0], [['MP31'], 0], [['MP32'], 0]]

def some_function():
    List2 = [['MP18', 100], ['MP28', 50], ['MP20', 30], ['MP07', 30], ['MP12', 10], ['MP03', 10], ['MP30', 10], ['MP14', 10], ['MP15', 5], ['MP16', 5], ['MP13', 5], ['MP02', 5], ['MP26', 5], ['MP23', 5], ['MP22 ', 5], ['MP01', 5]]
    global List1
    List1 = [[[a], b+dict(List2).get(a, 0)] for [a], b in List1]
Get values of enum as list of strings

Get values of enum as list of strings


By : Phan Quốc Hậu
Date : March 29 2020, 07:55 AM
will be helpful for those in need I have the following enum and want to convert it to a list of its string values: , Add a getter for the value:
code :
public enum DangerShipment {
    // Code from the OP omitted for brevity

    public String getValue() {
        return value;
    }
}
List<String> dangerlist = Stream.of(DangerousShipment.values())
                                .map(DangerousShipment::getValue)
                                .collect(Collectors.toList());
C# - Convert list of enum values to list of strings

C# - Convert list of enum values to list of strings


By : Su.Sathiskumar
Date : March 29 2020, 07:55 AM
With these it helps Since you are using a List, the easiest solution would be to use the ConvertAll method to obtain a new List containing string representations. Here's an example:
code :
List<string> stringList = myList.ConvertAll(f => f.ToString());
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