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Is an index needed for a primary key in SQLite?
...constraint) on the parent/referenced field(s) if it doesn't exist; it is recommended that the child/referencing field(s) have an index (which usually won't be unique): see here
– TripeHound
Mar 20 '14 at 14:01
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Check if a value is within a range of numbers
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You're asking a question about numeric comparisons, so regular expressions really have nothing to do with the issue. You don't need "multiple if" statements to do it, either:
if (x >= 0.001 && x <= 0.009) {
// something
}
You could write yourse...
NSDefaultRunLoopMode vs NSRunLoopCommonModes
...esome blog post by Jörn suggests an alternative option, using NSRunLoopCommonModes for connection.
1 Answer
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UIPopovercontroller dealloc reached while popover is still visible
...IPopoverArrowDirectionAny;
[self presentViewController:picker animated:YES completion:nil];
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What's the difference between .so, .la and .a library files?
... for "archive", because they're actually just an archive (made with the ar command -- a predecessor of tar that's now just used for making libraries) of the original .o object files.
.la files are text files used by the GNU "libtools" package to describe the files that make up the corresponding lib...
Custom ListView click issue on items in Android
... and the "onListItemClick" handler will fire, etc).
EDIT: As an update, a commenter mentioned "Just a note, after changing the visibility of the button I had to programmatically disable the focus again."
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Linq: GroupBy, Sum and Count
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I don't understand where the first "result with sample data" is coming from, but the problem in the console app is that you're using SelectMany to look at each item in each group.
I think you just want:
List<ResultLine> result = Lines
.GroupBy(l => l.ProductCode)
.Selec...
How do I revert master branch to a tag in git?
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For reference, to revert to the previous commit, you can do a git reset --hard HEAD^
– Geoff
Sep 6 '13 at 2:57
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How do I join two SQLite tables in my Android application?
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