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Javascript web app and Java server, build all in Maven or use Grunt for web app?
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After working with about every asset pipeline tool in the Java toolkit for a while I have come to a few conclusions:
Java Based Tooling
There are a handful of tools out there but the most popular are JAWR and Wro4J. The biggest problem with both of these is that they are mostly Rh...
Java: How to test methods that call System.exit()?
...ystem Rules, a collection of JUnit(4.9+) rules for testing code which uses java.lang.System.
This was initially mentioned by Stefan Birkner in his answer in December 2011.
System.exit(…)
Use the ExpectedSystemExit rule to verify that System.exit(…) is called.
You could verify the exit st...
When do I need to use AtomicBoolean in Java?
... better than code
which uses Object level
monitors/synchronization. Since,
Java's synchronization mechanisms
makes code wait, when there are lots
of threads running through your
critical sections, a substantial
amount of CPU time is spent in
managing the synchronization
mechanism itself (waiting, no...
How to make a .jar out from an Android Studio project
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If you set up the code as a plain Java module in Gradle, then it's really easy to have Gradle give you a jar file with the contents. That jar file will have only your code, not the other Apache libraries it depends on. I'd recommend distributing it this way; ...
how to read System environment variable in Spring applicationContext
...ath:config_#{systemProperties['env']}/db.properties" />
Combined with java ... -Denv=QA should solve your problem.
Note also a comment by @yiling:
In order to access system environment variable, that is OS level
variables as amoe commented, we can simply use "systemEnvironment"
instead...
What's the difference between passing by reference vs. passing by value?
...s are "value types" and others are "reference types" -- among them are C#, Java, and JavaScript.
4There's nothing bad with recycling a fitting old term per se, but one has to somehow make it clear which meaning is used each time. Not doing that is exactly what keeps causing confusion.
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Why do Java webapps use .do extension? Where did it come from?
I have always wondered why so many Java developers use ".do" as the extension for their web controller (MVC) resources. Example: http://example.com/register.do
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Dealing with “Xerces hell” in Java/Maven?
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When I try this, I get JavaMelody and Spring throwing java.lang.NoClassDefFoundError: org/w3c/dom/ElementTraversal at runtime.
– David Moles
May 28 '14 at 19:15
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Calling a Java method with no name
...answer. Find out more about initialization block at http://docs.oracle.com/javase/tutorial/java/javaOO/initial.html
– Stanley
Dec 4 '12 at 9:01
6
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Regex expressions in Java, \\s vs. \\s+
...nts the regex match from failing. from http://www.coderanch.com/t/570917/java/java/regex-difference
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