Thursday, 11 April 2019

When the interview they told you to expect is not the interview that you get

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Alternate title: "What's worse than whiteboard coding? Surprise quiz whiteboard coding!" I had a bit of a shocker this morning...
Wednesday, 1 March 2017

"I know.. instead of typing a forward-slash in a string, I'll declare a static variable for the "/" character"

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Was looking at some code someone else wrote and came across: public static final String SLASH = "/ ";      FML. Dude. WTF were yo...
Friday, 3 February 2017

Java JPA and Generics and Type Erasure: Casting a List to List

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Java Generics are a bundle of compromises and workarounds. Backwards compatibility is a PITA. We all know that. Anyway...  I had a service c...
Friday, 20 January 2017

Rebuilding Nexus - what we did wrong and how we fixed it

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Nexus is just a searchable cache for all the various jars you either downloaded from the internet or generated from your code-base. There ar...
Thursday, 25 August 2016

Unit tests with mockito - how to verify that a parameter to a mock method call has an expected value

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http://stackoverflow.com/questions/1142837/verify-object-attribute-value-with-mockito Use ArgumentCaptor, then in your verify() call for the...
Wednesday, 27 January 2016

JSTL transforms null BigDecimal to 0 and null String to ""

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Was scratching my head why I was getting zero for a BigDecimal that I was returning as null, then realised I'd forgotten about JSTL beha...
Friday, 11 December 2015

Problem and solution: "Content not allowed in prolog" when loading XML as string, even without extra characters

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I was parsing XML files in a unit test, but was doing it incorrectly. I was loading them from classpath, then wanted to have them in a strin...