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William Barnes

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since Mar 16, 2001
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IntelliJ IDE Java Spring
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Recent posts by William Barnes

Nice example, but I think you have a typo.  That should be "/base/third" correct?




4 months ago
One of the best things new programmers can do, is learn how to use a debugger.  Once you know how to use a debugger, you can solved most of your own problems.  And since it would be crazy stupid to use a command line debugger, you should learn how to use an IDE - as most IDEs contain debuggers.
8 months ago

Found a more "complete" example, so going to just move on to that.  https://spring.io/guides/gs/accessing-data-jpa/

10 months ago
Starting with the "official" Quick Start example here: http://projects.spring.io/spring-data/#quick-start

I use start.spring.io to create a project with 1] DevTools, 2] JPA and 3] H2

Using IntelliJ IDEA open the project, and the test driver class executes with no errors.

tFollowing the instuctions on the Quick Start page I: update pom.xml, create Employee.java, and create EmployeeRepository.java

Now when I run this I get



I can't find any place where I have "employeeRepository", lower case "e", as it appears in that log message.

I assume that that web page isn't giving me exactly all the changes I need to make.  But I don't know how to trouble shoot this.

Thanks





10 months ago
What I learned:
  • I only answered 41 of 50 questions, even knowing that wrong answers wouldn't count against me.  My bad.
  • Best practice tests found here: http://samplewonderlictest.com/
  • Have scrap paper, and calculator ready for quick notes calculations.
  • Set a timer for the half way point, to see if you are on track.
  • Pick a time, like maybe 1 minute left, at which point to just answer all remaining questions randomly.


  • 11 months ago
    Not only am I not able to edit my post, I also can't delete it.  So I will answer it.  In the instructions for the test:

    "It is in your best interest to answer as many questions as you can, as there is no penalty for guessing."

    11 months ago
    I am told to look here for examples: https://www.google.com/#q=ccat+test+for+employment
    And that there will be 50 multiple choice questions, with a time limit of 15 minutes.  This is to get me to the next step in the interview process.
    When I hit a question, which I don't know the answer for, do I: 1] skip over it, or 2] just take a guess?  Is it better to have answered less questions, with less incorrect answers?
    11 months ago
    Ok, not able to break your code yet.  So looking good.

    Silly question, how do I compare the nodes?  If i were to have two iterators, and I want to see if they are pointing to the same node.  How would that work?  Say I create a CircularListWithTail, using Integer for the node.  If I do a .get() I end up with Object, not Integer.   I know this is a general question, and I think I would run into the came confusion using LinkedList.

    Thanks.
    1 year ago
    "CircularListWithTail"  I like that name, except it makes you think of the "tail" as being on the end.  Instead of the beginning. 
    1 year ago
    How would you like to be credited when I steal use this code?  Thanks.
    1 year ago
    Same information you can fine here: https://docs.oracle.com/javase/7/docs/api/java/util/ArrayList.html ?

    Not sure what/which ArrayList.java you are referring to.
    1 year ago
    Ok, so back to my original question.  Can I do this using LinkedList, or do I need to write my own linked list?  Thanks.
    1 year ago
    I take it back.  I seem to be able to create the link.  But why doesn't this loop forever?

     

    Output is

    ==> 100
    ==> 101
    ==> 102
    ==> 103
    ==> 104
    ==> 105
    ==> 106
    ==> 107
    ==> 108
    ==> 109
    ==> 102

    1 year ago
    Still not able to updated posts.

    And yes, I know get(2) gives me the 3rd node.

    Thanks.
    1 year ago