The initial source comes from sdcuike/issueBlog#4
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http://inventwithpython.com/#invent
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https://en.wikibooks.org/wiki/Subject:Computing
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https://bushkarl.gitbooks.io/spring-cloud/content/ https://github.com/eacdy/spring-cloud-book
https://www.gitbook.com/book/waylau/rest-in-action/details
http://www.sonatype.org/nexus/resources/resources-book-links-and-downloads/
https://books.sonatype.com/mvnref-book/reference/index.html
https://github.com/es5/es5.github.io
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