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javax.xml.bind.UnmarshalException: unexpected element (uri:“”, local:“Group”)
Meet an exception when unmarshalling from xml
14 Answers
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Create a dictionary on a list with grouping
I have the following object in a list:
4 Answers
4
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When to use symbols instead of strings in Ruby?
If there are at least two instances of the same string in my script, should I instead use a symbol?
4 Answers
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Where do gems install?
I'm trying to edit one of the gem's config files and I can't find it. I'm not sure how I did this in the past.
4 Answers
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Akka Kill vs. Stop vs. Poison Pill?
Newbie question of Akka - I'm reading over Akka Essentials, could someone please explain the difference between Akka Stop/Poison Pill vs. Kill ? The book offers just a small explaination "Kill is synchronous vs. Poison pill is asynchronous." But in what way? Does the calling actor thread lock during...
How do I add more members to my ENUM-type column in MySQL?
The MySQL reference manual does not provide a clearcut example on how to do this.
7 Answers
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How to use ArrayAdapter
I have created row.xml in layouts, but don't know how to show both reason and long_val in the ListView using ArrayAdapter.
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Looping over a list in Python
I have a list with sublists in it. I want to print all the sublists with length equal to 3.
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Does the join order matter in SQL?
Disregarding performance, will I get the same result from query A and B below? How about C and D?
4 Answers
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How do ports work with IPv6?
Conventional IPv4 dotted quad notation separates the address from the port with a colon, as in this example of a webserver on the loopback interface:
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