Clojure some

  • Clojuredocs.org has several more examples about some, which is not to be confused with that other function, some?. This is what Compojure's routing function looks like: (defn routing "Apply a list of routes to a Ring request map." [request & handlers] (some # (% request) handlers))
Apr 16, 2020 · You can see the Clojure example here Simple REPL on a Socket Accessing a REPL over network is a very useful feature for many situations, from designing a web site to debugging a satellite in space. Here is an example how.

The Clojure programming language has seen some radical changes in recent times — not least of which is a change in stewardship of Cognitect, the company that provides technical support for Clojure. Here, we catch up with Stuart Halloway to find out what Cognitect's acquisition by financial services firm Nubank means for the future of Clojure.

Some possibly-outdated docs: Some Practical Clojure Examples; Brief Beginner's Guide to Clojure; A hodgepodge of Clojure notes; 10-minute guide to getting started with Emacs + Clojure; Perl: Perl 5 Quick-Reference; Software. Rippledoc — A particularly easy-to-use general-purpose doc processing tool. Community Projects. The Clojure Doc Site.
  • Clojure is a Lisp-1 and is not intended to be code-compatible with other dialects of Lisp, since it uses its own set of data structures incompatible with other Lisps. As a Lisp dialect, Clojure supports functions as first-class objects, a read–eval–print loop (REPL), and a macro system.
  • Not to worry, this isn’t some new programming fad that just started. In fact, I’d say I was quite late on the Clojure hype. LISP itself dates way back to the 1950s, and Clojure was released ...
  • As such, Clojure is particularly well-adapted to working with immutable data, as well as first class functions; what's more, all information structures are persistent and support recursion....

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    The goal of this guide is to provide an overview of the core concepts necessary to become productive with Clojure. Let's start by examining some of the key advantages of the functional style and why you would want to learn a functional language in the first place. Immutable. Clojure is a functional language.

    Jun 25, 2009 · Clojure is the False Lisp, which Reeketh of the Cube Farm. A Lisp unworthy of the name; one which encourages users to pepper their code with calls to opaque routines having no underlying Lispiness. A Lisp which barfs Java stack traces.

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    Clojure is a practical, general-purpose language that offers expressivity rivaling other dynamic languages like Ruby and Python, while seamlessly taking advantage of Java libraries, services, and all of the resources … - Selection from Clojure Programming [Book]

    Jan 24, 2018 · This is the second part of 2 episodes discussing Clojure threading macros. In this episode, I'll show you some-* and cond-* macros. See https://curiousprogra...

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    I love this ability and it’s one of the things that keeps me locked into Clojure+Emacs as my preferred enviroment. This power can be taken to the next level by making custom evaluation commands that run whatever you want on the expression at your cursor.

    I am the first to admit that using some is non-obvious because it leverages several Clojure features in a surprising way for a newcomer (collections as functions, literal sets, and truthy/falsey values). But! Note that some breaks if you happen to want to know whether a collection contains a falsey value (false or nil). In those cases, you will get back a falsey value regardless.

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    A little bit of Clojure knowledge would be good. I recommend working through some of the Clojure tutorial 2. It’s quite dense, but I’d say spending an hour or so is sufficient for this tutorial. Know how to start a Clojure REPL (well, just type lein repl) and how it works. More information in the Clojure tutorial 3. Some programming knowledge.

    Racket - Lisp beyond do Clojure. As always, new ideas to programming languages will probably come from Lisp (as Paul Graham said). However, my guess is these things are not coming from Clojure, but from another Lisp-like language: Racket. In this presentation I show some of the things I think (hope, actually) that other languages get. 69,897

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    Aug 05, 2011 · I'm at a new job now where I can solve my problems however I desire, so I'm going the clojure root for some things, to get my feet wet and gain some trust from my co-workers. Also I think it'll be easier for them to accept clojure over erlang or haskell, and I really don't know what I'm doing in either of those languages, as of yet.

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    Previously: Debugging. In this chapter, we'll discuss some of Clojure's mechanisms for polymorphism: writing programs that do different things depending on what kind of inputs they receive.We'll show ways to write open functions, which can be extended to new conditions later on, without changing their original definitions. Along the way, we'll investigate Clojure's type system in ...

    Discuss Clojure basics, get set-up with Clojure, and start working on some exercises with a few experienced Clojurians around to help you. We might mix things up with micro-lectures, group code reviews and/or some mob programming.

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    Nov 30, 2017 · Iterating over a sequence can be done with many functions in Clojure. There is map, filter, keep, mapcat and many more. Usually if none of the standard sequence transforming functions fit, developers tend to fall back to reduce and more seldom to a manual loop. These latter two are very flexible since you can do any transformation you’d like

    Feb 24, 2019 · In Clojure, even though mutability is actually supported via some lower-level primitives and the JVM itself (all Clojure code can call any Java code), as long as users stick to the immutable collections in concurrent code (which is very easy to do, and even idiomatic in Clojure) they will be completely safe from concurrency issues.

In Clojure - and at large in functional programming - we avoid assignment as it destroys state history and makes writing concurrent programs a whole lot harder. In fact, Clojure doesn't even support assignment. An atom is a reference type that is thread safe.
Fire up a clojure REPL with Socket REPL support. With shadow-cljs, when you watch some build ID it'll give you a port for nREPL and Socket REPL. With lein, invoke it in a folder where you have project.clj and you can use JVM_OPTS environment variable like: JVM_OPTS='-Dclojure.server.myrepl={:port,5555,:accept,clojure.core.server/repl}' lein repl
In this talk I will introduce Clarity, a new Clojure framework that addresses some common aspects of GUI programming. Stathis Sideris Currently, he is a Java developer working mainly with Swing.
But it should be good for "cracking the nut". The examples are brisk and plentiful, and except for the odd turn-of-a-page, they never exceed your field of vision (which is a great strength of Clojure). Some may think "for the brave and true" is just whimsy, but I believe the publisher's lawyers insisted on it. This book is not for dummies.