What is the meaning of -rc in semantic versioning?

The meanings of prerelease and build meta tags in SemVer strings is entirely up to the publisher. Always consult the publisher’s documentation before acting on tag content. As @lemieuxster points out however, “rc” is likely an acronym for Release Candidate. In the absence of publisher documentation, you can not make assumptions about meanings of any … Read more

Should I pin my Python dependencies versions?

The reason the two other answers contradict each other is that they’re both right (and worth reading), but they apply to different situations. If you’re releasing a library on PyPI, you should declare whatever dependencies you know about, but not pin to a specific version. For example, if you know you need >= 1.2, but … Read more

What is the caret sign (^) before the dependency version number in Flutter’s pubspec.yaml?

The caret sign (^) is used for pub dependencies in Dart to indicate a range of version numbers are allowed. Specifically, any version from the specified version up to (but not including) the next non-breaking version is ok. So ^3.1.5 is the same as ‘>=3.1.5 <4.0.0’ And ^1.2.3 would be the same as ‘>=1.2.3 <2.0.0’ … Read more

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