list find element index
returns> public static int FindIndex<T>(this IEnumerable<T> items, Func<T, bool> predicate) if (items == null) throw new ArgumentNullException("items"); if ..... Dump(); } void TestGetsLastItem() // Arrange var list = new ,How about the List.FindIndex Method: int index = myList.FindIndex(a => a.Prop == oProp);. This method performs a linear search; therefore, this method is an O(n) operation, where n is Count.
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 list find element index 相關參考資料
c# - find index of an int in a list - Stack Overflow
Use the .IndexOf() method of the list. Specs for the method can be found on MSDN. https://stackoverflow.com c# - How to get index using LINQ? - Stack Overflow
returns> public static int FindIndex<T>(this IEnumerable<T> items, Func<T, bool> predicate) if (items == null) throw new ArgumentNullException("items"); if ..... Dump()... https://stackoverflow.com c# - How to get the index of an item in a list in a single step ...
How about the List.FindIndex Method: int index = myList.FindIndex(a => a.Prop == oProp);. This method performs a linear search; therefore, this method is an O(n) operation, where n is Count. https://stackoverflow.com Finding the index of an element in a list scala - Stack Overflow
scala> List("Mary", "had", "a", "little", "lamb").indexOf("little") res0: Int = 3. You might try reading the scaladoc for List next time... https://stackoverflow.com Finding the index of an item given a list containing it in Python ...
The majority of answers explain how to find a single index, but their methods do not return multiple indexes if the item is in the list multiple times. Use enumerate() : for i, j in enumerate(['fo... https://stackoverflow.com haskell - How to find the index of an element in a list? - Stack ...
Take a look here: Finding index of element in a list in Haskell? i.e. use elemIndex from Data.List : http://hackage.haskell.org/packages/archive/base/4.2.0.0/doc/html/Data-List.html#v%3AelemIndex&nbs... https://stackoverflow.com How to find index of an element in Python list? - Stack Overflow
Actually you don't have to operate with indexes here. Just iterate over words list and check if the word is listed in nasty . If it is append 'CENSORED' to the result list, else append the... https://stackoverflow.com java - Better way to find index of item in ArrayList? - Stack Overflow
... alphabetList.add("E"); // 4 index alphabetList.add("F"); // 5 index alphabetList.add("G"); // 6 index alphabetList.add("H"); // 7 index alphabetList.add(&q... https://stackoverflow.com java - How to find index position of an element in a list when ...
What's wrong with: benefit.indexOf(map4) ? It either returns an index or -1 if the items is not found. BTW I strongly recommend wrapping the map in some object and use generics if possible. https://stackoverflow.com python - How to get item's position in a list? - Stack Overflow
print testlist.index(element). If you are not sure whether the element to look for is actually in the list, you can add a preliminary check, like if element in testlist: print testlist.index(element).... https://stackoverflow.com |