How to serialize/de-serialize objects to/from JSON in Java: http://websystique.com/java/json/jackson-convert-java-object-to-from-json/ http://programmerbruce.blogspot.com/2011/05/deserialize-json-with-jackson-into.html
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Fix serializations issues in spring-boot REST JSON answers
How to solve infinite recursions: https://www.baeldung.com/jackson-bidirectional-relationships-and-infinite-recursion
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How to make an older commit the latest
How to make a certain commit the latest in a repository (deleting all following commits): git reset –hard CommitId git push -f origin master (from https://stackoverflow.com/questions/40245767/delete-commit-on-gitlab )
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GIT list status on all directories
To list status on all git repositories in a folder: find . -maxdepth 1 -mindepth 1 -type d -exec sh -c '(echo {} && cd {} && git status -s && echo)' \; (from https://coderwall.com/p/grmruq/git-status-on-all-repos-in-folder)