Top "Mutation" questions

Why do we need to avoid mutations while coding? What is a mutation?

Why is the second code (the one with the stream) a better solution than the first? First : public static void …

java lambda java-8 java-stream mutation

Replace array item with another one without mutating state

This is how example of my state looks: const INITIAL_STATE = { contents: [ {}, {}, {}, etc.. ], meta: {} } I need to be able and …

reactjs state redux mutation

Vuex/Vuejs: accessing localStorage within vuex store

I am using localStorage to set and get items, which is placed within my javascript code in a .vue file. …

javascript vue.js local-storage vuex mutation

PTTest is failing and not generating mutation coverage

I want to generate mutation test coverage. I am doing POC on PI Test but it is not taking my …

mutation pitest

vuex unknown local mutation type: updateValue, global type: app/updateValue. Mutations don't work

I want to apply mutations through actions to a variable in my vuejs application. But I get this error saying […

vue.js action vuex store mutation

Remove data from nested objects without mutating

Is there any elegant way of removing an object from an array which is part of an array? I have …

javascript immutability redux mutation

string manipulation- middle 3 letters

After prompting for a string, I am trying to display the middle three characters of that string. How would I …

java string mutation

How to pass variables in mutation graphQL Playground?

I am using apollo express server 2.0. And I am trying to execute mutation in the graphql playground. Here is the …

node.js graphql mutation

How to delete multiple items with GraphQL?

I am new in GraphQL. How can I write a delete mutation to delete multiple items (more than one ID) …

datatables graphql mutation

GraphQL error: Cannot query field 'mutation_name' on type 'Mutation'

I am trying to mutate a mutation. The mutation does exist and works fine on my graphql playground. but as …

reactjs react-apollo mutation