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How to get a reversed list view on a list in Java?
...b", "c");
List<String> reverseView = Lists.reverse(letters);
System.out.println(reverseView); // [c, b, a]
Unlike Collections.reverse, this is purely a view... it doesn't alter the ordering of elements in the original list. Additionally, with an original list that is modifiable, changes to ...
How can I convert a string to a number in Perl?
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what about comparisons when the string has a comma in it?
– Ramy
May 22 '14 at 15:21
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Why does UITableViewCell remain highlighted?
...ple app with tables (Contacts is a good one) and you'll see after you push out to a new screen, on return the cell is still highlighted briefly before being deselected. In theory I think you do not have to do any extra work to have it deselect right away on its own, so code in viewDidAppear should ...
What really happens in a try { return x; } finally { x = null; } statement?
...enario has nothing to do with exceptions and exception handling. This is about how .NET implements the finally resource guard construct.
– g.pickardou
Oct 30 '15 at 12:35
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Creating a “logical exclusive or” operator in Java
... for (boolean b: all) {
boolean c = a ^ b;
System.out.println(a + " ^ " + b + " = " + c);
}
}
}
Output:
false ^ false = false
false ^ true = true
true ^ false = true
true ^ true = false
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Java ResultSet how to check if there are any results
... also just call isBeforeFirst() to test if there are any rows returned without advancing the cursor, then proceed normally.
– SnakeDoc
Sep 2 '14 at 19:00
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Android emulator: How to monitor network traffic?
...:
Copy and run an ARM-compatible tcpdump binary on the emulator, writing output to the SD card, perhaps (e.g. tcpdump -s0 -w /sdcard/emulator.cap).
Run emulator -tcpdump emulator.cap -avd my_avd to write all the emulator's traffic to a local file on your PC
In both cases you can then analyse the...
Call one constructor from another
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If what you want can't be achieved satisfactorily without having the initialization in its own method (e.g. because you want to do too much before the initialization code, or wrap it in a try-finally, or whatever) you can have any or all constructors pass the readonly variables ...
Could not reserve enough space for object heap
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Thanks.. turns out too big a number could also be an issue and can give the same error!
– Dinesh Rajan
Sep 3 '14 at 23:00
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Using wget to recursively fetch a directory with arbitrary files in it
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add -nH (cuts out hostname) --cut-dirs=X (cuts out X directories). it's a bit annoying to have to manually count directories for X..
– lkraav
Nov 8 '10 at 21:49
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