junwei

doc(readme): Fix image under `Awesome Characters List` not shown issue

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before:  after: 

Section "Awesome Characters List" picture not rendered

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[On github](https://github.com/jagracey/Awesome-Unicode#awesome-characters-list)  Local Repo Preview by sublime markdown preview plugin  No big deal, but hopefully It'll get fixed.

* gem should not check Gemfile.lock into git, app do * ref: https://yehudakatz.com/2010/12/16/clarifying-the-roles-of-the-gemspec-and-gemfile/ ref gems * https://github.com/mperham/sidekiq * https://github.com/ged/ruby-pg * https://github.com/rubocop/rubocop * https://github.com/rest-client/rest-client * ...

https://github.com/sickill/rainbow/issues/112

Sorry， I forgot to remove `Makefile` related info in last PR(https://github.com/msiemens/PyGitUp/pull/114) 

https://github.com/RefactoringGuru/design-patterns-python/blob/83caf9aa54934ef8671a55d71897112505122453/src/Adapter/Conceptual/class/main.py#L42 I tried, both in ruby and python, we only need to inherit from the `Adaptee` class. Since python support `duck typing` Pls reply if I'm wrong

https://github.com/flyerhzm/code_analyzer/blob/2b48759cf104e562957625dd170236462ff47ef8/lib/code_analyzer/warning.rb#L6 filename

Prevent creation of unnecessary fieldset(mirror and revised)

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#### Purpose see: https://github.com/rails-api/active_model_serializers/pull/2370 #### Changes - **change#1**: only initialize `ActiveModel::Serializer::Fieldset` when fieldset is not nil - ~**change#2**: only ask for `fields_for` when `fieldset` is not nil~ #### Caveats NA...

Broken link in README.md

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> [Insane](http://whitequark.org/blog/2013/04/01/ruby-hacking-guide-ch-11-finite-state-lexer/) Ruby lexer rewritten from scratch in Ragel.

the highlight() function is not working as expect for nodes including ":" symbol

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hi @tintinweb , really appreciated that you shared this plugin on vscode, it's been quite helpful for my daily work especially the "bidirectional highlight" feature, makes upstreams and downstreams quite...