Java Ninja Chronicles By Norris Shelton

Things I learned in the pursuit of code

Intellij IDEA doesn’t show hidden files in the file chooser dialog on Mac OS/X. This can be frustrating when you are trying to find files that are always in a hidden directory, such as Maven files. There are two ways around this.

This will enable it for the current window

ctrl + shift + .

There is another solution, but it involves editing the registry. Hit the following keys to access the Find Action menu.

cmd + shift + a

Once there, scroll down to Check the checkbox and select Close and away you go.

July 28th, 2015

Posted In: IntelliJ, java ninja, Javaninja, Mac, OS/X

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The servlet 3.0 spec defines a way to share webapp JSP resources via a dependent jar (See Servlet 3.0 spec, section 10.5)

If you have a Maven dependency that is a jar, you can package resources and have them available to webapps that use them as a dependency.

To share, /css/test.css, you need to place it in:

Any webapp that depends on that jar can access /css/test.css as if it was in the root of it’s own webapp.

<link rel="stylesheet" type="text/css" href="<c:url value="/css/test.css" />">

Caveat, IntelliJ does not resolve /css/test.css as being within the current webapp. There was a ticket that was filed in 2011, but it doesn’t appear that it will ever be fixed.

Note, that if you are trying to use the included file as a tag file, it will need to have /WEB-INF/tags at the front of the included path.

January 24th, 2014

Posted In: IntelliJ, Maven, Servlet Spec

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Do you ever wish you can go in and change the number of days of local history to keep? Well, you are in luck.


The maintenance panel is displayed. Pick “registry”. Scroll down to the bottom and look for localHistory.daysToKeep. It defaults to 5. Change away!!!

January 20th, 2011

Posted In: IntelliJ

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