Dev trying to debug an error for couple of hours just because he doesn't understand how concatenation works, is basically waste of company's money and time. A small mistake can lead to unexpected consequences and delay in achieving deadline. Multiply number of such mistakes with the number of devs who do not know such details, the penalty is a huge. And this penalty is actually paid by entire company, every developer in the company because no one will have time to calculate such small mistakes.
You may put importance on what can be learned, i would be put importance on what someone understands. Anything can be learned and questions like these do not test if someone has the capacity to learn, but rather what he can memorize or has had experience with.
I believe if one has not learnt the basics in college/graduation, educating an employee isn't responsibility of an employer unless employee is ready to compensate the pay for learning. This has nothing to do with memorizing, memorizing is knowing each properties of elements of periodic table.
you seem to think that everyone should have learned these "basics", then you live in fairy tale land.
This is about memorization and not about understanding principles and showing the ability to understand those principles and apply them.
There's a difference here between knowing something and understanding. What you're asking for is that people know, what I'm more interested in is if they understand it.
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I appreciate the interesting tidbit of information but it’s not useful to determine the effectiveness of the dev.
I am much more interested in their understanding of OO and functional programming concepts, ability to test drive JS, yarn/npm, frameworks...
Dev trying to debug an error for couple of hours just because he doesn't understand how concatenation works, is basically waste of company's money and time. A small mistake can lead to unexpected consequences and delay in achieving deadline. Multiply number of such mistakes with the number of devs who do not know such details, the penalty is a huge. And this penalty is actually paid by entire company, every developer in the company because no one will have time to calculate such small mistakes.
You may put importance on what can be learned, i would be put importance on what someone understands. Anything can be learned and questions like these do not test if someone has the capacity to learn, but rather what he can memorize or has had experience with.
I believe if one has not learnt the basics in college/graduation, educating an employee isn't responsibility of an employer unless employee is ready to compensate the pay for learning. This has nothing to do with memorizing, memorizing is knowing each properties of elements of periodic table.
you seem to think that everyone should have learned these "basics", then you live in fairy tale land.
This is about memorization and not about understanding principles and showing the ability to understand those principles and apply them.
There's a difference here between knowing something and understanding. What you're asking for is that people know, what I'm more interested in is if they understand it.