Error:attempt to apply non-function

You’re missing *s in the last two terms of your expression, so R is interpreting (e.g.) 0.207 (log(DIAM93))^2 as an attempt to call a function named 0.207 … For example: Error: attempt to apply non-function Your (unreproducible) expression should read: Mathematica is the only computer system I know of that allows juxtaposition to be used for multiplication …

Is there a TRY CATCH command in Bash

Is there a TRY CATCH command in Bash? No. Bash doesn’t have as many luxuries as one can find in many programming languages. There is no try/catch in bash; however, one can achieve similar behavior using && or ||. Using ||: if command1 fails then command2 runs as follows Similarly, using &&, command2 will run if command1 is successful The closest approximation of try/catch is as follows Also bash contains some error … Read more

How to make a histogram from a list of data

do you have any idea how to make 200 evenly spaced out bins, and have your program store the data in the appropriate bins? You can, for example, use NumPy’s arange for a fixed bin size (or Python’s standard range object), and NumPy’s linspace for evenly spaced bins. Here are 2 simple examples from my matplotlib gallery Fixed bin size … Read more

How to handle ETIMEDOUT error?

This is caused when your request response is not received in given time(by timeout request module option). Basically to catch that error first, you need to register a handler on error, so the unhandled error won’t be thrown anymore: out.on(‘error’, function (err) { /* handle errors here */ }). Some more explanation here. In the handler you can check if … Read more

Hata!: SQLSTATE[HY000] [1045] Access denied for user 'divattrend_liink'@'localhost' (using password: YES)