bundle-fu - Google Code
Web 2.0 sites have lots of tiny javascript/css files, which causes one extra round trip per file to the server and back! This is bad! Bundle-fu throws it all up into a big package and sends it out all at once.
Related cards:
Async control flow in JavaScript: Promises, Microtasks, async/await
Slides for Henning's talk on Sep 21st 2017.
Understanding sync vs. async control flow
Talking to synchronous (or "blocking") API
print('script start')
html = get('/foo')
print(html)
print('script end'...
Embed Google Analytics code for some environments only
When you use google analytics to track your visitors interactions, you should ensure that it runs on your production site only. Otherwise it will spoil your statistics. To prevent this, test for the right environment and place the JS-code afterwar...
Google Summer of Code winner: ActiveModel for Ruby on Rails
Finish the remainder of the ActiveModel todo list (observers, callbacks, validations, scoping, and serialization) in addition to associations. Also wire up ActiveModel up to ActiveRecord and ActiveResource.
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How to update a single gem conservatively
The problem
Calling bundle update GEMNAME will update a lot more gems than you think. E.g. when you do this:
bundle update cucumber-rails
... you might think this will only update cucumber-rails. But it actually **updates cucumber...
How to fix "undefined method `name' for Array" error when running bundled commands on Ruby 1.8.7 + Rails 2.3
On recent/fresh installations of Ruby 1.8.7 you may encounter this error why calling any bundled binary (or just bundle exec):
/home/arne/.rvm/gems/ruby-1.8.7-p374@global/gems/rubygems-bundler-1.4.2/lib/rubygems-bundler/noexec.rb:75:in ...
Google Chrome now has a JavaScript bundle visualizer
Similar to the Webpack Bundle Analyzer, Chrome's new Lighthouse feature …
… shows a visualisation of your JavaScript bundles. It's compatible ...
Webpacker: Loading code on demand
Sometimes you want to load code on demand. For instance, when a a large library is only used on a single screen, this library should only be loaded for that screen. It should not blow up the bundle size for all screens.
You can load code on deman...
Code splitting in esbuild: Caveats and setup
TL;DR Still has caveats.
Code splitting is a feature of JavaScript bundlers that can keep huge libraries out of the main bundle.
How code splitting works
[Like Webpack](https://makandracards.com/makandra/498036-webp...