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Javascript. Reduce an array by adding only odd numbers. Javascript returns NaN when I use %2 on a number with if [duplicate]

I am trying to sum all odd numbers of an array. The following method does not work and returns NaN. Could someone explain me why? I found a wo

file.list() returning nullPointerException [duplicate]

so I'm learning java right now and have seen numerous examples of this same question, but the answers mostly have to do with Android permissio

JSON SCHEMA conditional: how can I require the key name in some of the list?

The JSON schema I want to implement can constrain the attributes under name into a list, as fellow code, I want the name should be input, and the name object th

Generate random date after a date

I have a dataset like this: set.seed(123) date_entry<- sample(seq(as.Date('2000-01-01'), as.Date('2010-01-01'), by="day"), 1000) df <- data.frame( date_en

unable to send API request to Solana devnet

I'm doing the following tutorial of creating tokens on Solana. https://spl.solana.com/token and it seems that all requests to Solana devnet are failing $spl-tok

how to save data into mongodb using express?

Trying to create signin and signup using express and MongoDB. In postman the data is perfectly passed but couldn't save the data into mongoDB cluster. IN this

Count the number of occurrences different final word types succeeding the string

Suppose I have a list of lists like this l = [['a', 'paragraph', 'is'], ['a', 'paragraph', 'can'], ['a', 'dog', 'barks']] also suppose I have this sm