@lilactown do you mean clojure.java.jdbc?

well, I actually mean your next.jdbc lib 🙂

@noisesmith can you explain semantics of ::keyword

here's what I'm trying to do:

$ clojure -A:rebl:rebel -Sdeps '{mysql/mysql-connector-java {:mvn/version "5.1.6"}}'
[Rebel readline] Type :repl/help for online help info
user=> (require '[next.jdbc :as jdbc])
nil
user=> (def db {:dbtype "mysql" :dbname "content_service"})
#'user/db
user=> (def ds (jdbc/get-datasource db))
#'user/ds
user=> (jdbc/execute! ds "show tables")
Execution error (SQLException) at java.sql.DriverManager/getConnection (DriverManager.java:702).
No suitable driver found for jdbc:

:: means "keyword, autoresolved in the current namespace context"

thanks

@nxtk fwiw, i have found the following page quite handy: https://clojure.org/guides/weird_characters#autoresolved_keys

How to include a git repo in deps.edn which have java source. I am trying like this

{:deps
 {org.clojure/data.csv {:git/url ""
                        :sha "e5beccad0bafdb8e78f19cba481d4ecef5fabf36"}}}

@gdrte Java has to be compiled first. You can't just pull in source files, unlike Clojure.

So it means I can't include Java in the same package/repo?

@gdrte That repo does not have Java code in it so I'm not sure what you're asking/trying to do here.

Nvm, the above is just an example. Here is the repo https://github.com/gdrte/suricatta

the error is Syntax error (ClassNotFoundException) compiling reify* at (impl.clj:106:3). suricatta.impl.IParam

gdrte/suricatta {:git/url ""
     :sha "9cc71345e79b72e3504c1c94a9ba76c2925be74f"}

Right, you can't use Java source files with clj/`deps.edn`. They need to be compiled (via javac) first.

So, I can't do it one go, hmmmm.

You would need to compile, build, and publish your Java code as a JAR somewhere, and depend on that.

aah... actually I forked that project, and upgraded clojure and some other libs. I didn't tried to send a PR to original author. I thought clojure git deps will work for me without messing the artifactory id.

For some situations, you can actually hack around this by shelling out and running a javac ... command line.

yeah, I will build it locally and include the jar

You can add a JAR to the classpath as a :local/root dep.

I just did that. It worked. Thanks again.

It's really a good incentive to try to do everything in Clojure 🙂

every week I get an email from the Rust team called "This Week in Rust", it's an update on news, jobs, calls for participation in open source projects, events and so on is there an equivalent for Clojure?

Cherished Clojure weeklies are: Daniel Compton’s The REPL newsletter https://www.therepl.net/Newsletters/ and Eric Normand’s http://PurelyFunctional.tv Newsletter https://purelyfunctional.tv/newsletter/

I also really like Alex Miller’s weekly update blog: http://insideclojure.org/

What’s up with this?

(= 40.4 (float 40.4)) ;; => false
  (= 47.5 (float 47.5)) ;; => true

For me, it's the otherway round. Comparing precision on floats on the JVM, using the equals method, I suspect is the same issue when comparing floats on Java on the JVM. You're not sure on the precision that the JVM uses per call.

There's lots of results on google on comparing floats (on Java, but equality valid to Clojure)

https://dev.clojure.org/jira/browse/CLJ-1036

Rich Hickey added a comment - 05/Sep/13 8:27 AM

It is out of scope for Clojure to fix this for Java types Float/Double/BigInteger

I have a com.cognitect.aws/glacier question; I want to run list-vaults but when I run

(aws/invoke dev/gl {:op :ListVaults
                    :request {:accountId "099465141348"
                              :apiVersion "2012-06-01"
                              }})

=>
{:code "MissingParameterValueException",
 :message "Required parameter missing: API version",
 :type "Client",
 :cognitect.anomalies/category :cognitect.anomalies/incorrect}

what is the secret sauce for getting the apiVersion accepted?

(I tried putting into

(aws/client {:api :com.cognitect.aws/glacier
                     :version "2012-06-01"
                     :region :eu-west-1
...)

@ben.hammond turn on request validation

just with (aws/validate-requests gl true) you mean?

same error message ..?

Also, (aws/doc client :ListVaults)

Make sure the keywords you're providing are correct

Usually they are capitalized

yeah that doc does not talk about API versions at all

Have you tried omitting the arguments

Just empty map

yes so I get a helpful error message if I leave out the required :accountId

I've never seen an API that makes you send in the version

Ok

I think there might be a regression for the AWS glacier API floating around; but I'm not quite sure

these are all JSON apis at the AWS end of things aren't they

there's a

x-amz-glacier-version: 2012-06-01

https://docs.aws.amazon.com/amazonglacier/latest/dev/api-error-responses.html

does turning tuples into a map destroy information about order?

@veix.q5 Yes, maps do not guarantee order. If you need a sorted map I suggest looking at: http://clojuredocs.org/clojure.core/sorted-map

And http://clojuredocs.org/clojure.core/sorted-map-by

Is this a bug?

user=> :0
:0
user=> ::0
:user/0
user=> (ns foo)
nil
foo=> (ns user)
nil
user=> (require '[foo])
nil
user=> ::foo/0
Syntax error reading source at (REPL:2:0).
Invalid token: ::foo/0

:0 isn't meant to work, but happens to

that is actually a very complicated question connected to many mailing list posts, irc and slack discussions

:foo/0 instead of ::foo/0 ? (already namespaced)

at one point :0 was made not to work, and then that change was reverted

because leading numbers are invalid identifiers?

which you might interpret as positive intent that :0 is intended to work

it's more that the autoresolving is the only one that doesn't work

but my advice would be to behave as if :0 doesn't work

@djtango :0 was never designed to work, a version of clojure existed where it worked anyway, it was kept that way. ::foo/0 never worked because the issue was understood before ::foo/bar existed

ok cool thanks

Could someone remind me, I think I remember seeing a fn named something like requiring-resolve. Where would I find this :thinking_face:

clojure versions 1.10+

Okay, I’m on 1.10.0-alpha7. Is it in a specific ns? Intellisense is failing me…

why use a 1.10 alpha?

it's in clojure.core, I'm not sure if it was present in the 1.10 alphas or not, but it is present in the 1.10 release

I see. Just haven’t gotten around to changing that version string quite yet. Thank you!

oh, I might be wrong, it might be a 1.11 thing... - nope, definitely here in 1.10

$ clj
Clojure 1.10.0
(ins)user=> (requiring-resolve 'clojure.set/union)
#'clojure.set/union

Ah okay, that would at least explain why I can’t find it any of the usual channels

Yep, there it is. Thank you.

It was added till very late in the release cycle

I think it was in one of the final Beta versions?