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Paul White

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Active in: AWS Data Science Java
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Explain java enum naming convention.

The short answer is, of course, whether you want to break with naming conventions for what are essentially constants... Quoting from the JLS: Constant Names The names of constants in interface types should be, and final variables of class types may conventionally be, a sequence of one or more words, acronyms, or…

Java

Answered Oct 13, 2022 · 7.8K Views Read answer →

gunicorn.errors.HaltServer:

Probably there is an issue in your application, not in gunicorn. Try: gunicorn --log-file=- onbytes.wsgi:applicationSince the version R19, Gunicorn doesn’t log by default in the console and the --debug option was deprecated. You can resolve gunicorn.errors.haltserver: error with the above code.

Data Science

Answered Jul 15, 2021 · 1.6K Views Read answer →

Security group basics (How and why to use).

The first line of defense to any launched instance or for any AWS resource is VPC, which is defined for the entire network. The 2nd line of defense comes by “Security Groups” which are individually defined for every instance. The security group contains 2 rules: 1st “Inbound” and 2nd “Outbound”. Inbound Rules - Are…

AWS

Answered Jan 29, 2020 · 1.5K Views Read answer →

Give a few usage scenarios for S3.

Build an infrastructure that hosts videos, photos, or music uploads files to this storage and then clients can download from this storage. All of that can happen from a private network or via the internet. S3 provides data backup and storage for other services in AWS, such as EBS snapshots and Amazon Machine Image…

AWS

Answered Nov 4, 2019 · 1.6K Views Read answer →

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