Oh, thank you, that looks like a great resource! On Tuesday, August 15, 2017 at 9:24:45 PM UTC-5, Daniel Compton wrote: > > Eric Normand has a course "JVM Fundamentals for Clojure" which might be > useful? https://purelyfunctional.tv/courses/jvm-clojure/ > > On Wed, Aug 16, 2017 at 2:20 PM Paul Gowder <paul....@gmail.com > <javascript:>> wrote: > >> Hi there, >> >> Can anyone recommend decent resources for learning Java for experienced >> Clojurists who don't do enough interop? >> >> After writing Clojure for about a year and a half, I find that the most >> continuous barrier I encounter is in understanding how to drop down to the >> JVM. And it's even a barrier in using some core CLJ libraries. >> >> Here's an illustration of the problem I often have. I was writing a web >> application using Reagent/Immutant, and I wanted to pass data from frontend >> to backend over a websocket in transit format. But the only example in the >> github readme for Transit-CLJ involves dealing with data as a Java >> bytestream. And it was just too daunting to try to figure out what flavor >> of JVM string the stuff being received over the websocket was under the >> hood, how to cast it into a bytearrayinputstream or whatever else can fit >> into a transit "writer," etc. Or even just like where to start translating >> from "here, I have a Clojure string" to "oh god, now it has to turn into >> some kind of low-level object that isn't a string and isn't a file but is >> something in between and maybe it has to be a stream and maybe it doesn't >> >> Yet almost all "how to learn java" materials I can turn up seem to be >> directed at total beginner programmers, and start with stuff like "here's >> what a for loop is" rather than practical stuff like "here's how to sort >> out the different kinds of array-whatsits and byte-whatsats" or "here's how >> the entry point of a java library works" or whatnot. >> >> I'm hoping there's something out there (that goes a bit deeper than the >> wonderful-but-not-quite-what-i-need interop chapter in Brave and True) that >> someone can recommend. >> >> thanks! >> >> -Paul >> >> -- >> You received this message because you are subscribed to the Google >> Groups "Clojure" group. >> To post to this group, send email to clo...@googlegroups.com >> <javascript:> >> Note that posts from new members are moderated - please be patient with >> your first post. >> To unsubscribe from this group, send email to >> clojure+u...@googlegroups.com <javascript:> >> For more options, visit this group at >> http://groups.google.com/group/clojure?hl=en >> --- >> You received this message because you are subscribed to the Google Groups >> "Clojure" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to clojure+u...@googlegroups.com <javascript:>. >> For more options, visit https://groups.google.com/d/optout. >> >
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