Contributing to RLlib

👍🎉 First off, thank you for taking the time to contribute to RLlib! 🎉👍

Ray RLlib is more than a framework for distributed applications but also an active community of developers, researchers, and folks that love machine learning. This project adheres to the Ray guidelines for contributing.

💡 **Ti

With Closure Compiler v20210106 and the following flags:

--language_in=ECMASCRIPT_NEXT
--compilation_level ADVANCED
--js tmp/wrap.js 

This works fine:

/**
 * @param {string} str
 * @param {string} [prefix=aa]
 * @param {string} [suffix=bb]
 */
function wrap1(str, prefix="aa", suffix="bb") {
  return prefix + str + suffix;
}

window.wrap1 = wrap

The Matlab version of CVX [1,2] offers the options of calling the Huber function with either huber(x,M) or huber(x,M,t). The latter computes t+t*huber(x/t,M), which is useful for concomitant scale estimation [3]. It would be nice to have the same option with cvxpy.

1 - https://github.com/cvxr/CVX/blob/master/functions/huber.m
2

in my old project , using webpack 1.x. And I use esbuild-loader replace babel-loader will print error

` building for production.../Users/wanglihui/WebstoreProject/onionfph5/project/node_modules/esbuild-loader/dist/plugin.js:12
compiler.hooks.thisCompilation.tap('esbuild', compilation => {
^

TypeError: Cannot read property 'thisCompilation' of undefined

https://github.com/pytorch/serve/blob/6a191f822f2e759c2aad07b8f9eacbedcb039827/model-archiver/model_archiver/model_packaging_utils.py#L137

In a multi-user system, this line can raise Permission Error because of the same file name in the shared /tmp/ directory which maybe created by another user. Maybe we can give more unique name when we store it using timestamp or something.

When jimplifying com.reddit.frontpage-214190.apk(Reddit v. 2.26.2), the following exception is thrown:

Exception in thread "main" Unexpected type null
	at soot.jimple.toolkits.typing.integer.ClassHierarchy.typeNode(ClassHierarchy.java:152)
	at soot.jimple.toolkits.typing.integer.TypeResolver.typeVariable(TypeResolver.java:121)
	at soot.jimple.toolkits.typing.integer.ConstraintCollecto

https://developer.mozilla.org/en-US/docs/Web/CSS/Using_CSS_custom_properties#Custom_property_fallback_values

.three {
  background-color: var(--my-var, var(--my-background, pink));
--border-color: linear-gradient(to top, var(--secondary-color), var(--used-color, white));
}

Need to create /etc/hosts entry for non-wildcard alias domains in site create and site update.