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How can I get the current stack trace in Java?
...how the results of Thread.currentThread().getStackTrace() may be different from new Throwable().getStackTrace() ? I tried both and found that Thread.currentThread().getStackTrace() returns am array with Thread.getStackTrace in index 0 and the calling method is at index 1. The new Throwable().getSt...
What's the actual use of 'fail' in JUnit test case?
... at least JUnit and TestNG will even report a different failure for errors from @Before/@After methods, so can see that the problem was not in the test itself.
– sleske
Jun 17 '16 at 11:51
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How do I programmatically click a link with javascript?
... it did not work in IE9, but setting location.href actually sent the email from the mailto: link. Great solution!
– ajeh
Mar 2 '15 at 19:36
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How to get innerHTML of DOMNode?
...on to expect a DOMElement instead of a DOMNode as I was passing the return from DOMDocument::getElementById(). Just in case it trips someone else up.
– miken32
Oct 4 '14 at 22:08
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How do I check that a Java String is not all whitespaces?
...s behavior isn't correctly documented and appears to diverge substantially from every other implementation of string matching using Regular Expressions.
– Rob Raisch
May 26 '15 at 15:46
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Java using enum with switch statement
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The part you're missing is converting from the integer to the type-safe enum. Java will not do it automatically. There's a couple of ways you can go about this:
Use a list of static final ints rather than a type-safe enum and switch on the int value you recei...
How to list containers in Docker
...izes use the given command:
docker ps -s
The content presented above is from docker.com.
In the new version of Docker, commands are updated, and some management commands are added:
docker container ls
It is used to list all the running containers.
docker container ls -a
And then, if you wa...
Do I need to heartbeat to keep a TCP connection open?
... firewall), you may need keepalives in order to keep the state table entry from expiring.
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Python str vs unicode types
...seem to be able to hold Unicode strings. Is there any special reason apart from being able to set Unicode codes in unicode strings using the escape char \ ?:
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Looking for simple Java in-memory cache [closed]
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Thanks, an additional question: If I retrieve an object from EHcache (say, an array), and modify it - will the object be updated in the cache? ie. is EHCache maintaining references to the objects?
– sanity
Feb 22 '09 at 20:38
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