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How can I multiply and divide using only bit shifting and adding?
...want to decompose one of the numbers by powers of two, like so:
21 * 5 = 10101_2 * 101_2 (Initial step)
= 10101_2 * (1 * 2^2 + 0 * 2^1 + 1 * 2^0)
= 10101_2 * 2^2 + 10101_2 * 2^0
= 10101_2 << 2 + 10101_2 << 0 (Decomposed)
= 10101_2 * 4 + 10101...
Use didSelectRowAtIndexPath or prepareForSegue method for UITableView?
...ack Shapiro
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answered Nov 15 '11 at 2:16
rob mayoffrob mayoff
330k5151 ...
Opacity of div's background without affecting contained element in IE 8?
...ur instead.
The CSS is fairly simple:
.myelement {
background: rgba(200, 54, 54, 0.5);
}
...where the first three numbers are the red, green and blue values for your background colour, and the fourth is the 'alpha' channel value, which works the same way as the opacity value.
See this page ...
How to get the home directory in Python?
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edited Apr 17 at 18:10
Arsen Khachaturyan
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a...
How to Apply Corner Radius to LinearLayout
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280
You can create an XML file in the drawable folder. Call it, for example, shape.xml
In shape.xml...
Setting custom UITableViewCells height
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502
Your UITableViewDelegate should implement tableView:heightForRowAtIndexPath:
Objective-C
- (C...
Get original URL referer with PHP?
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edited May 1 '13 at 15:02
answered Dec 8 '09 at 4:28
Sam...
Prevent body scrolling but allow overlay scrolling
...and overflow-y: scroll, with top, left, right and bottom properties set to 0: this style makes the overlay fill the whole viewport.
The div inside the overlay is instead just in position: static then the vertical scrollbar you see is related to that element. As a result the content is scrollable b...
multiprocessing.Pool: When to use apply, apply_async or map?
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440
Back in the old days of Python, to call a function with arbitrary arguments, you would use apply...
SQL selecting rows by most recent date
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edited Oct 9 '08 at 21:55
Adam Pierce
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