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How to return a result (startActivityForResult) from a TabHost Activity?
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edited Aug 8 '11 at 22:06
Artem Russakovskii
19.7k1717 gold badges8686 silver badges114114 bronze badges
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IN vs OR in the SQL WHERE Clause
... your specific data to see which is faster.
I tried both on a MySQL with 1000000 rows. When the column is indexed there is no discernable difference in performance - both are nearly instant. When the column is not indexed I got these results:
SELECT COUNT(*) FROM t_inner WHERE val IN (1000, 2000, ...
What happens to an open file handle on Linux if the pointed file gets moved or deleted
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160
If the file is moved (in the same filesystem) or renamed, then the file handle remains open and ...
How to create an array of 20 random bytes?
How can I create an array of 20 random bytes in Java?
6 Answers
6
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Should try…catch go inside or outside a loop?
...inst the table.
Here's a reference: http://www.javaworld.com/javaworld/jw-01-1997/jw-01-hood.html
The table is described about half-way down.
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Fundamental difference between Hashing and Encryption algorithms
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+200
Well, you could look it up in Wikipedia... But since you want an explanation, I'll do my best here:
Hash Functions
They provide a ...
Initializing a list to a known number of elements in Python [duplicate]
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The first thing that comes to mind for me is:
verts = [None]*1000
But do you really need to preinitialize it?
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Numpy: find first index of value fast
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There is a feature request for this scheduled for Numpy 2.0.0: https://github.com/numpy/numpy/issues/2269
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Use tab to indent in textarea
...ore caret + tab + text after caret
$(this).val($(this).val().substring(0, start)
+ "\t"
+ $(this).val().substring(end));
// put caret at right position again
this.selectionStart =
this.selectionEnd = start + 1;
}
});
jQuery: How to capture the TAB...
How does the following LINQ statement work?
...ist = new List<int>{1,2,4,5,6};
var even = list.Where(m => m%2 == 0).ToList();
list.Add(8);
foreach (var i in even)
{
Console.WriteLine(i);
}
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