[JOB] Clojure Developer | Presien | Sydney

[Thomas Sesselmann]

Hi Everyone,

We're hiring a Clojure developer for our AI startup based in Sydney. We're 
using object detection and machine learning to improve worker safety on 
construction sites and we need a hand building out our Dashboard and 
Analytics platform which is forked from Metabase 
.

Join our growing team of developers, researchers and engineers in a fun and 
casual startup environment and work on a project that is already making a 
difference on real work sites to save lives all across Australia.

Other desirable skills: React, Docker, PostgreSQL, AWS

Salary is negotiable.

Get in touch at tom.sesselm...@presien.com

Cheers,

Tom Sesselmann

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Re: How can I do something like (= (class ds) next.jdbc.connection) ??

[Sean Corfield]

You should :require the namespaces, not try to :import things.

(ns your.namespace
  (:require [next.jdbc :as jdbc]))

I suggest you start off by working through
https://cljdoc.org/d/seancorfield/next.jdbc/1.0.9/doc/getting-started

The ds binding that you have will satisfy this check (instance?
javax.sql.DataSource ds) -- because it is an instance of that Java
interface.

It sounds like you have quite a few misconceptions about using the library
(and perhaps using Clojure in general?) so I highly recommend joining the
Clojurians Slack http://clojurians.net and https://clojurians.slack.com
where you can ask real time questions in the #beginners channel and
next.jdbc-specific questions in the #sql channel.



On Thu, Oct 17, 2019 at 6:03 PM Laws  wrote:

> If I do this:
>
> (class ds)
>
> I see:
>
> next.jdbc.connection$url_PLUS_etc$reify__555
>
> Is there anyway I can match against this? I'd like a runtime check to know
> that the code really does have a database connection. Imagine code like
> this:
>
> (if (= next.jdbc.connection (class ds))
>   (println "its next.jdbc.connection")
>   (println "fail, it is not next.jdbc.connection"))
>
> I get errors such as:
>
> java.lang.ClassNotFoundException: seancorfield/next.jdbc.Connection,
> compiling:(core.clj:1:1)
>
> The namespace is here:
>
>
> https://github.com/seancorfield/next-jdbc/blob/master/src/next/jdbc/connection.clj
>
>
>(:import
>[seancorfield/next.jdbc Connection]
>)
>
>(:import
>[next.jdbc Connection]
>)
>
>(:import
>[next.jdbc.connection]
>)
>
>
> What is the correct way to do this?
>
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> 
> .
>


-- 
Sean A Corfield -- (904) 302-SEAN
An Architect's View -- http://corfield.org/
World Singles Networks, LLC. -- https://worldsinglesnetworks.com/

"Perfection is the enemy of the good."
-- Gustave Flaubert, French realist novelist (1821-1880)

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Re: A Concise Guide to Getting Started with Clojure on Windows

[Brandon R]

Hi Alex!

That would be great actually. I'll read over that and see about getting in
on there.


Brandon

On Thu, Oct 17, 2019 at 7:05 PM Alex Miller  wrote:

> We'd be happy to host a guide like this on clojure.org if you're
> interested...
>
> https://clojure.org/community/contributing_site
>
> Alex
>
> On Thursday, October 17, 2019 at 7:47:03 PM UTC-5, Brandon R wrote:
>>
>> Hello Clojure friends,
>>
>> I wrote this guide for a friend, and it's something I wish I had when I
>> was starting. This guide focuses on Windows, VS Code, and Calva, though
>> much of it would be useful to non-Windows users as well.
>>
>> Beginner resources have come a long way since I started, but there can
>> never be too many. If you know someone who wants to get started with
>> Clojure and is using Windows and/or VS Code, they may find this useful:
>>
>> https://gist.github.com/bpringe/4f1d07f98633a956a8b33af572e7b810
>>
>>
>> Sincerely,
>>
>> Brandon (@bringe on the Clojurians Slack)
>>
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> 
> .
>

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Re: A Concise Guide to Getting Started with Clojure on Windows

[Alex Miller]

We'd be happy to host a guide like this on clojure.org if you're 
interested... 

https://clojure.org/community/contributing_site

Alex

On Thursday, October 17, 2019 at 7:47:03 PM UTC-5, Brandon R wrote:
>
> Hello Clojure friends,
>
> I wrote this guide for a friend, and it's something I wish I had when I 
> was starting. This guide focuses on Windows, VS Code, and Calva, though 
> much of it would be useful to non-Windows users as well.
>
> Beginner resources have come a long way since I started, but there can 
> never be too many. If you know someone who wants to get started with 
> Clojure and is using Windows and/or VS Code, they may find this useful:
>
> https://gist.github.com/bpringe/4f1d07f98633a956a8b33af572e7b810 
>
>
> Sincerely,
>
> Brandon (@bringe on the Clojurians Slack)
>

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How can I do something like (= (class ds) next.jdbc.connection) ??

[Laws]

If I do this:

(class ds)

I see: 

next.jdbc.connection$url_PLUS_etc$reify__555

Is there anyway I can match against this? I'd like a runtime check to know 
that the code really does have a database connection. Imagine code like 
this:

(if (= next.jdbc.connection (class ds))
  (println "its next.jdbc.connection")
  (println "fail, it is not next.jdbc.connection"))

I get errors such as:

java.lang.ClassNotFoundException: seancorfield/next.jdbc.Connection, 
compiling:(core.clj:1:1)

The namespace is here:

https://github.com/seancorfield/next-jdbc/blob/master/src/next/jdbc/connection.clj


   (:import
   [seancorfield/next.jdbc Connection]
   )

   (:import
   [next.jdbc Connection]
   )

   (:import
   [next.jdbc.connection]
   )


What is the correct way to do this? 

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A Concise Guide to Getting Started with Clojure on Windows

[Brandon R]

Hello Clojure friends,

I wrote this guide for a friend, and it's something I wish I had when I was
starting. This guide focuses on Windows, VS Code, and Calva, though much of
it would be useful to non-Windows users as well.

Beginner resources have come a long way since I started, but there can
never be too many. If you know someone who wants to get started with
Clojure and is using Windows and/or VS Code, they may find this useful:

https://gist.github.com/bpringe/4f1d07f98633a956a8b33af572e7b810


Sincerely,

Brandon (@bringe on the Clojurians Slack)

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