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Java ByteBuffer to String
Is this a correct approach to convert ByteBuffer to String in this way,
10 Answers
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Is there a “previous sibling” selector?
The plus sign ( + ) is for the next sibling.
17 Answers
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default select option as blank
...a very weird requirement, wherein I am required to have no option selected by default in drop down menu in HTML. However,
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Using CMake with GNU Make: How can I see the exact commands?
I use CMake with GNU Make and would like to see all commands exactly (for example how the compiler is executed, all the flags etc.).
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Can I call a base class's virtual function if I'm overriding it?
Say I have classes Foo and Bar set up like this:
7 Answers
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Inner class within Interface
Is it possible to create an inner class within an interface?
If it is possible why would we want to create an inner class like that since
we are not going to create any interface objects?
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Is there a CSS selector by class prefix?
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It's not doable with CSS2.1, but it is possible with CSS3 attribute substring-matching selectors (which are supported in IE7+):
div[class^="status-"], div[class*=" status-"]
Notice the space character in the second attribute selector....
Test if remote TCP port is open from a shell script
I'm looking for a quick and simple method for properly testing if a given TCP port is open on a remote server, from inside a Shell script.
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Psql list all tables
I would like to list all tables in the liferay database in my PostgreSQL install. How do I do that?
6 Answers
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Should I declare Jackson's ObjectMapper as a static field?
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Yes, that is safe and recommended.
The only caveat from the page you referred is that you can't be modifying configuration of the mapper once it is shared; but you are not changing configuration so that is fine. If you did need to change configuration, you would do that from the static ...