Good Clojure Projects for the Classroom?

[Eddie]

Recently I began teaching a college level course that uses Clojure. We have 
made it through the lectures on the lisp syntax, the data types, 
collections, and immutability. Now I would like to ask the students to 
apply their new Clojure knowledge to a small project. (Something that could 
be completed in about week if worked on for an hour a day). 

Does anyone know of any good resources for such projects? Any ideas are 
much appreciated!

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Re: Adding JDBC drivers to Clojars

[Eddie]

Good to know! Thanks for the info on the alternatives. I have 
used lein-localrepo before, but was hoping for something that could be more 
easily shared with others. Looks like it is still the best course.

Thanks!




On Friday, September 23, 2016 at 11:58:39 AM UTC-4, Sean Corfield wrote:
>
> Some JDBC drivers are not available in public Maven-style repositories 
> (such as Microsoft’s Type 4 SQL Server JDBC driver) and that’s usually 
> because there are restrictions on distribution, preventing third party 
> sites from hosting them legally.
>
>  
>
> I searched Maven and you seem to be correct that Vertica does not have its 
> drivers there. Check their licensing agreements because I doubt you could 
> legally put them up on Clojars.
>
>  
>
> If you only need the driver locally for a project you are working on, then 
> download the JAR and use lein-localrepo to put it into your local Maven 
> repository cache (in ~/.m2).
>
>  
>
> If you need to share the driver with colleagues at work, then you’ll 
> either have to have your colleagues do the same (and your build server), or 
> you’ll need a private repository for work.
>
>  
>
> The latter is relatively easy. We run Archiva on an internal server at 
> work and all our builds access it from there (just adding the URL to that 
> repository to our build.boot files – Leiningen also supports this). Or, if 
> you have a private S3 account, you could host it there via S3 Wagon.
>
>  
>
> Sean Corfield -- (970) FOR-SEAN -- (904) 302-SEAN
> An Architect's View -- http://corfield.org/
>
> "If you're not annoying somebody, you're not really alive."
> -- Margaret Atwood
>
>  
>
> On 9/23/16, 8:19 AM, "Eddie"  on 
> behalf of ededdi...@gmail.com > wrote:
>
>  
>
> Thanks for the reply. 
>
>  
>
> I was under the impression that the jdbc driver (or any jar you want to 
> use as a dependency) needs to be hosted on some kind of maven repository. 
> Am I wrong about that?
>
>  
>
> Here is the official download link for the Vertica jdbc driver: 
> https://my.vertica.com/client_drivers/7.2.x/7.2.3-0/vertica-jdbc-7.2.3-0.jar
>
> As far as I can tell, it isn't in a maven repository. Is there still a way 
> to tell lein to look at this address to pull the jar?
>
>  
>
> Thanks! 
>
>  
>
>  
>
>
>
> On Friday, September 23, 2016 at 11:02:07 AM UTC-4, Walter van der Laan 
> wrote:
>
> There is no need to push jdbc drivers to clojars.
>
>  
>
> I have never used Vertica but perhaps it helps if I show you how to add 
> the two jdbc-drivers that I do use.
>
>  
>
>  
>
> Example 1; postgres
>
>  
>
> The details for the postgres-driver can be found here: 
> http://mvnrepository.com/artifact/org.postgresql/postgresql
>
>  
>
> The download-link for the jar is; 
> http://mvnrepository.com/artifact/org.postgresql/postgresql/9.4.1211.jre7
>
>  
>
> This translates to this dependency in my project.clj: 
> [org.postgresql/postgresql "9.4.1211"]
>
>  
>
>  
>
> Example 2; h2
>
>  
>
> The details for the h2-driver can be found here: 
> http://h2database.com/html/download.html
>
>  
>
> The download-link for the jar is; 
> http://repo2.maven.org/maven2/com/h2database/h2/1.4.192/h2-1.4.192.jar
>
>  
>
> This translates to this dependency in my project.clj: [com.h2database/h2 
> "1.3.176"]
>
>  
>
>  
>

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Re: Adding JDBC drivers to Clojars

[Eddie]

Thanks for the reply. 

I was under the impression that the jdbc driver (or any jar you want to use 
as a dependency) needs to be hosted on some kind of maven repository. Am I 
wrong about that?

Here is the official download link for the Vertica jdbc 
driver: 
https://my.vertica.com/client_drivers/7.2.x/7.2.3-0/vertica-jdbc-7.2.3-0.jar
As far as I can tell, it isn't in a maven repository. Is there still a way 
to tell lein to look at this address to pull the jar?

Thanks! 

 


On Friday, September 23, 2016 at 11:02:07 AM UTC-4, Walter van der Laan 
wrote:
>
> There is no need to push jdbc drivers to clojars.
>
> I have never used Vertica but perhaps it helps if I show you how to add 
> the two jdbc-drivers that I do use.
>
>
> Example 1; postgres
>
> The details for the postgres-driver can be found here: 
> http://mvnrepository.com/artifact/org.postgresql/postgresql
>
> The download-link for the jar is; 
> http://mvnrepository.com/artifact/org.postgresql/postgresql/9.4.1211.jre7
>
> This translates to this dependency in my project.clj: 
> [org.postgresql/postgresql "9.4.1211"]
>
>
> Example 2; h2
>
> The details for the h2-driver can be found here: 
> http://h2database.com/html/download.html
>
> The download-link for the jar is; 
> http://repo2.maven.org/maven2/com/h2database/h2/1.4.192/h2-1.4.192.jar
>
> This translates to this dependency in my project.clj: [com.h2database/h2 
> "1.3.176"]
>
>

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Adding JDBC drivers to Clojars

[Eddie]

I have a Clojure project that require the use of the Vertica JDBC driver 
. When I search 
for "Vertica" on clojars I see two results. The first (
org.clojars.prepor/vertica-jdbc 
) is a version of the 
driver that is older than the one I need to use. The second (
org.clojars.erp12/jdbc-vertica 
) is a failed attempt 
by me to put the jar up there myself.

When trying to host the jar myself I attempted to follow this guide 
. Unfortunately, I 
have never used Maven before and ended up building a jar that gave this 
warning while buildings/deploying:

[WARNING] JAR will be empty - no content was marked for inclusion!

Before building/deploying the jar, I used this page 
 to 
try and install the jdbc Vertica driver jar to the repo, but I am clearly 
missing something. I have tried searching around, but it is hard to figure 
out what where my problems are between Clojars, my maven settings, my local 
maven project, the vertica jar and being new to all of this (despite being 
a Clojure developer for years now).

Doe anyone know of some resources to learn how to upload jars to Clojars 
that weren't developed in Clojure. Is this even possible? Does anyone have 
any guesses as to how the older org.clojars.prepor/vertica-jdbc 
 was uploaded? Any 
help is much appreciated. Thanks.

 

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