fafl

fafl has asked 4 questions and find answers to 12 problems.

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fafl questions

How can I have a composite key in Kotlin?
Does Kotlin have an "enumerate" function like Python?

fafl answers

Why can't I return the result of pushing to the accumulator in a .reduce() function?
Swapping elements between A and B to get sums equality
lodash - _.some() with condition/counter
Scala reduce returning different data type
JSONObject (org.json) to JsonElement(com.google.gson)
COUNT(*) with LEFT JOIN and GROUP BY to include NULL in MySQL
How do I get Flake8 to work with F811 errors?
How to create a pyspark dataframe from multiple lists
Extract first character of each word from the sentence string [closed]
Liskov substitution principle, preconditions and abstract methods