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• Haskell List comprehension and `group`

  input:funcA [((0,'x'),1),((0,'y'),3),((1,'y'),3),((1,'z'),3),((2,'x'),2),((2,'y'),2)]output[(0, 1, "x"), (0, 3, "y"), (1, 3, "yz"), (2, 2, "xy")]I'm ......

  list  haskell  grouping  list-comprehension  higher-order-functions  Read Article

• Delete from sublists

  I'm trying to remove a number (if exists) from sublists, using Higher Order Functions.removeAux :: Int -> [[Int]] -> (Int -> [Int] -> Bool) -> [[Int]]removeAux num (l:ls) f | f num ......

  list  haskell  higher-order-functions  sublist  remove  Read Article

• (Dart) How to execute each Function in a List?

  TL;DR: I'm trying to pass a List of Functions to another class, which should then execute every Function.Why?I need to respond to App Intents in Flutter. My idea was to separate that logic into ......

  list  function  flutter  dart  execute  Read Article

• All elements are re-rendered when any @State/@Bind

  I have a List view. ForEach element there is a card which is a child class. Data has been passed to the child class using @Binding. There is a button in the child class which updates the @Binding ......

  list  swiftui  rendering  auto-update  Read Article

• Code stops working when I change the EventListener

  The piece of code below sucessfully manages to change the position of a block within a grid when you click on it ( on the grid ).However , I intend to do it when I press on a key. It happens that ......

  addeventlistener  keydown  onkeydown  Read Article

• Select a random alphabetical string without import

  I would like to know how to select a random alphabetical string from a list WITHOUT importing "random"the list looks like the following examplewords = ["aberrant","abhorrent&......

  list  random  python-idle  alphabetical  Read Article

• Finding number of unique occurrences of text withi

  I am trying to find number of unique occurrences of some text within one xml tag and display the same in one of the columns in a csv file.My Xml file looks somewhat like this:<start><......

  list  csv  dictionary  xml-parsing  python-2.6  Read Article

• Haskell generalization of map function for functor

  mapFunctor :: Functor f => (a -> b) -> [f a] -> [f b]which this function supposed to be a generalization of map. It works the same as map function, and works for any Functors, not just ......

  list  haskell  functor  map-function  Read Article

• How do I see Db2 recovery and administrative event

  I've seen the documentation here https://www.ibm.com/support/knowledgecenter/ca/SSEPGG_11.5.0/com.ibm.db2.luw.admin.cmd.doc/doc/r0001991.htmlbut I can't run it from the "generate SQL" area ......

  list  console  db2  history  Read Article

• Save Arabic list of string in database

  I have text file. I am reading the text document and split it into an array. I try to remove white space. So I move the elements of array into list of string.Here part of code List<string> ......

  list  sql-server-2012  c#-2.0  Read Article

• how to iterate over an Pojo object stored in an Ar

  I have an arraylist of Pojo class having fields like username, firstname, lastname..I need to loop over this object to get its value:Like i need to fetch the value of all the fields(firstname, ......

  arraylist  collections  pojo  Read Article

• We are implementing global keyboard and mouse list

  For our commercial Windows and MacOS application, we have implemented a global keyboard, mouse listener, using Python script. We bundle it as exe and package it into our app.Will this be flagged by ......

  keylistener  mouselistener  antivirus  mouse-listeners  Read Article

• How can I write this algorithm that returns the co

  I am given this algorithmic problem, and need to find a way to return the count in a list S and another list L that is between some variable x and some variable y, inclusive, that runs in O(1) time:......

  list  algorithm  dictionary  pseudocode  Read Article

• How to List.sum a List (Maybe Float)?

  I am trying to convert strings to floats and find their sum:> String.split "," "0.2,0.3,3.1" > List.map String.toFloat ["0.2","0.3","3.1"]>......

  list  elm  Read Article

• IndexOf with custom Lists (Flutter - Dart)

  I want to get the Index of the ListA with the name test in this listFirst classclass ListA { String name; ListA({this.name});}Second classList<ListA> abc = [ ListA(name: 'test'),]......

  list  flutter  dart  indexof  Read Article