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  1. How can I pass a list as a command-line argument with argparse?

    Don't use quotes on the command line 1 Don't use type=list, as it will return a list of lists This happens because under the hood argparse uses the value of type to coerce each individual …

  2. Convert spark DataFrame column to python list - Stack Overflow

    Jul 29, 2016 · The simplest yet effective approach resulting a flat list of values is by using list comprehension and [0] to avoid row names: flatten_list_from_spark_df=[i[0] for i in …

  3. python - How to convert list to string - Stack Overflow

    Apr 11, 2011 · How can I convert a list to a string using Python?

  4. Quick way to create a list of values in C#? - Stack Overflow

    Continue to help good content that is interesting, well-researched, and useful, rise to the top! To gain full voting privileges,

  5. Most efficient way to find if a value exists within a C# List

    Apr 17, 2013 · In C# if I have a List of type bool. What is the fastest way to determine if the list contains a true value? I don’t need to know how many or where the true value is. I just need to …

  6. How to list containers in Docker - Stack Overflow

    May 30, 2013 · For example list and start of containers are now subcommands of docker container and history is a subcommand of docker image. These changes let us clean up the …

  7. How do I make a flat list out of a list of lists? - Stack Overflow

    If your list of lists comes from a nested list comprehension, the problem can be solved more simply/directly by fixing the comprehension; please see How can I get a flat result from a list …

  8. What is the difference between an Array, ArrayList and a List?

    List Again we can add values like we do in an Array List<int> list = new List<int>(); list.Add(6); List.Add(8); I know that in a List you can have the generic type so you can pass in any type …

  9. java - Create a List of primitive int? - Stack Overflow

    Aug 2, 2013 · List<Integer> might lead to devastating memory fragmentation. Java maintains constant pool for some integers in 0..128 range but generally Java allocates a new object for …

  10. Difference between List, List<?>, List<T>, List<E>, and List<Object>

    1) Correct 2) You can think of that one as "read only" list, where you don't care about the type of the items.Could e.g. be used by a method that is returning the length of the list. 3) T, E and U …