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Sort array of objects by single key with date value
...yA)? The date objects have a valueOf() method.
– soktinpk
Jul 17 '14 at 18:44
If you want to sort based on numeric val...
Pick a random value from an enum?
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The only thing I would suggest is caching the result of values() because each call copies an array. Also, don't create a Random every time. Keep one. Other than that what you're doing is fine. So:
public enum Letter {
A,
B,
C,
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How Do I Fetch All Old Items on an RSS Feed?
I've been experimenting with writing my own RSS reader. I can handle the "parse XML" bit. The thing I'm getting stuck on is "How do I fetch older posts?"
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How to stop Eclipse formatter from placing all enums on one line
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The answer by @wjans worked fine for normal enums, but not for enums with arguments. To expand on his answer a bit, here's the settings that provided the most sensible formatting for me in Eclipse Juno:
Window > Preferences > Java > Code Style...
Unable to modify ArrayAdapter in ListView: UnsupportedOperationException
I'm trying to make a list containing names. This list should be modifiable (add, delete, sort, etc). However, whenever I tried to change the items in the ArrayAdapter, the program crashed, with java.lang.UnsupportedOperationException error. Here is my code:
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Save ArrayList to SharedPreferences
I have an ArrayList with custom objects. Each custom object contains a variety of strings and numbers. I need the array to stick around even if the user leaves the activity and then wants to come back at a later time, however I don't need the array available after the application has been closed c...
Responding with a JSON object in Node.js (converting object/array to JSON string)
I'm a newb to back-end code and I'm trying to create a function that will respond to me a JSON string. I currently have this from an example
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JsonMappingException: out of START_ARRAY token
Given the following .json file:
4 Answers
4
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Is there a way to 'uniq' by column?
...ma is the delimiter
-k1,1 for the key field 1
Test result:
overflow@domain2.com,2009-11-27 00:58:29.793000000,xx3.net,255.255.255.0
stack2@domain.com,2009-11-27 01:05:47.893000000,xx2.net,127.0.0.1
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Open and write data to text file using Bash?
How can I write data to a text file automatically by shell scripting in Linux?
11 Answers
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