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Convert hex string to int
...'s besides the point... thank you for the quick answer!!!! Also curse you java for your terrible error message... "It's to big" would have been helpful.
– Roloc
Jun 25 '12 at 18:03
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ConcurrentHashMap vs Synchronized HashMap
...read tries to modify it while another is iterating over it.
This article Java 7: HashMap vs ConcurrentHashMap is a very good read. Highly recommended.
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Why are dates calculated from January 1st, 1970?
...0) as default standard for time manipulation? I have seen this standard in Java as well as in Python. These two languages I am aware of. Are there other popular languages which follows the same standard?
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How to read environment variables in Scala
In Java, reading environment variables is done with System.getenv() .
6 Answers
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Hibernate Criteria returns children multiple times with FetchType.EAGER
...ase, and each order has 3 line items,
the resultset will be 15 rows. The Java result list of these queries
will have 15 elements, all of type Order. Only 5 Order instances will
be created by Hibernate, but duplicates of the SQL resultset are
preserved as duplicate references to these 5 insta...
Can Selenium interact with an existing browser session?
...703/http://tarunlalwani.com/post/reusing-existing-browser-session-selenium-java/.
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Check if null Boolean is true results in exception
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@JoshM. This is because Java does Boxing and Unboxing of wrappers: docs.oracle.com/javase/tutorial/java/data/autoboxing.html
– Vinicius
Jul 1 '19 at 20:22
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Collections.emptyList() returns a List?
I'm having some trouble navigating Java's rule for inferring generic type parameters. Consider the following class, which has an optional list parameter:
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How to create an array of 20 random bytes?
How can I create an array of 20 random bytes in Java?
6 Answers
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log4j configuration via JVM argument(s)?
... has driven me crazy with log4j a number of times.
– javadba
Nov 8 '13 at 7:43
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Another JVM arg...