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What is PECS (Producer Extends Consumer Super)?
... syntax and assumes declaration-site variance, which is quite different to Java's weird call-site variance... Maybe I should write a more detailed answer that clearly shows how this sketch applies to Java...
– Andrey Tyukin
Jun 15 '14 at 23:11
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Case insensitive string as HashMap key
...ct = {} or var struct = structnew() you can use var struct = createObject('java','java.util.TreeMap').init(createObject('java','java.lang.String').CASE_INSENSITIVE_ORDER); FUGLY, but it works ;)
– Eric Fuller
Nov 27 '14 at 4:09
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What does the “assert” keyword do? [duplicate]
...or();
(If you launched with -enableassertions that is.)
Formally, the Java Language Specification: 14.10. The assert Statement says the following:
14.10. The assert Statement
An assertion is an assert statement containing a boolean expression. An assertion is either enabled or disabled. I...
Find first element by predicate
I've just started playing with Java 8 lambdas and I'm trying to implement some of the things that I'm used to in functional languages.
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SonarQube Exclude a directory
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Try something like this:
sonar.exclusions=src/java/test/**
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What's wrong with using == to compare floats in Java?
According to this java.sun page == is the equality comparison operator for floating point numbers in Java.
21 Answers
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Representing Monetary Values in Java [closed]
...igDecimal is recommended best practice for representing monetary values in Java. What do you use? Is there a better library that you prefer to use instead?
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Class.forName() vs ClassLoader.loadClass() - which to use for dynamic loading? [duplicate]
...alization, check sections 12.2 and 12.4 of the latest (3rd) edition of the Java Language Specification.
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File path to resource in our war/WEB-INF folder?
...B-INF/test/foo.txt");
http://tomcat.apache.org/tomcat-5.5-doc/servletapi/javax/servlet/ServletContext.html#getRealPath(java.lang.String)
That will get you the full system path to the resource you are looking for. However, that won't work if the Servlet Container never expands the WAR file (like ...
How to use WeakReference in Java and Android development?
I have been a java developer for 2 years.
4 Answers
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