Hmm? I tried a bunch of stuff and it probably made it more confusing, especially as I started running brew and got errors like: usr/local/Cellar/ruby/2.6.2/lib/ruby/2.6.0/rubygems.rb:283:in `find_spec_for_exe': can't find gem irb (>= 0.a) with executable irb (Gem::GemNotFoundException) It starts spitting a bunch of different errors, and I probably confounded the causes and errors as I was trouble shooting, but it gave me errors about:ĭyld: Library not loaded: /usr/local/opt/libffi/lib/libffi.6.dylib So I did that, and tried out ruby, irb, and emacs. I ran:Įverything looked good, and it gave me some instructions to add to my PATH the Homebrew installed ruby and ruby gems along the lines of adding the following to my. It's probably been over a year, so lots of outdated stuff. I wanted to upgrade Homebrew itself and what it installed on my Mac. Some sentences on it, superficially without a deeper understanding of how programming languages work, are downright contradictory sounding.Īll in all though, I went through it cover to cover, and the book does a good job for reviewing changes to JavaScript for the competent programmer.įor next to free (i.e. Or if you don't really know the problems with the "this" keyword in JavaScript, the book's description of it in relation to how it works and how it's changed with arrow functions isn't the most enlightening. if you don't know that much about async and promises on a conceptual level, this book isn't going to teach you enough to really use those features productively. Not a lot more, but sufficient for a competent programmer to know enough.Į.g. Second part basically goes over all the changes, again, but this time in more detail. First part is extremely brief in describing the changes in each version of ECMAscript. There's definitely two major parts to the book. That's a small nitpick in what is overwise a good set of writing. And would benefit from more editing, both on a sentence level and on an overall topic cohesiveness level. This book reads like a collection of very short blog posts though. Listing out each feature or change and giving an extremely brief description of it. Other updates/fixes that this release brings in since the last documented release (2.0.0-rc.If you're a competent programmer but have been away from JavaScript for some time and want an extremely brief overview of the updates to JavaScript, in bite size form, then this book ( The JavaScript Handbook) is for you.įlavio goes over all the new features in JavaScript from ES6 to ES2018. The package, samples, and extensions have also all received some love, being updated to the latest packages (except we left the samples on RN 0.59, since moving to 0.61 requires some nontrival package structure changes that we haven't gotten around to yet.) We are also switching over to eslint from tslint, and has released an eslint-plugin-reactxp to help with that ( #1155). These changes, and several supporting PRs along the way, bring ReactXP back in line with supporting the very latest releases of React and React Native. #1127 Renamed usage of the older-style React lifecycle methods to use the UNSAFE_ prefix to avoid deprecation issues for a while.#1129 Stopped using SyncTasks in favor of ES6 Promises.#1119 and #1101 Keeping in line with React Native's diet regimen, NetInfo and WebView have been broken out from the core ReactXP package and are being released as their own separate reactxp-netinfo/reactxp-webview projects, which use the correspondingly-broken-out packages for RN.The 2.0.0 major-version-bump of ReactXP reflects a few different breaking changes since the last non-RC release (1.6.1): The version_history.md file has been deprecated. Note: We have switched to using the GitHub releases page for version notes.
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