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Android ImageView Zoom-in and Zoom-Out
...ut extends Activity implements OnTouchListener
{
private static final String TAG = "Touch";
@SuppressWarnings("unused")
private static final float MIN_ZOOM = 1f,MAX_ZOOM = 1f;
// These matrices will be used to scale points of the image
Matrix matrix = new Matrix();
Matrix s...
How to use SSH to run a local shell script on a remote machine?
...note that with single quotes around the terminator (<<'ENDSSH'), the strings will not be expanded, variables will not be evaluated. You can also use <<ENDSSH or <<"ENDSSH" if you want expansion.
– maackle
Jun 18 '13 at 5:38
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What is the “double tilde” (~~) operator in JavaScript? [duplicate]
... browsers, and not faster at all in some browsers. If you really need that extra bit of performance, you would need to write different optimised code for each browser.
See: tilde vs floor
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im...
Ruby - elegantly convert variable to an array if not an array already
... class Array; singleton_class.send(:alias_method, :hug, :wrap); end for extra cuteness.
– rthbound
Sep 17 '15 at 16:10
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Difference between DirectCast() and CType() in VB.NET
...do things you just can't do with a simple (int)-style cast, like convert a string to an integer. It has as much power as calling Convert.To___() in C#, where the ___ is the target type of your cast.
This is desirable because it's very powerful. However, this power comes at the cost of performance; ...
What is more efficient? Using pow to square or just multiply it with itself?
...d::chrono::high_resolution_clock::time_point from;
};
int main (int argc, char* argv[])
{
double total;
Timer timer;
total = 0.0;
timer.start();
for (double i = 0.0; i < 1.0; i += 1e-8)
total += std::pow (i,2);
std::cout << "std::pow(i,2): " << timer.elapsed() <...
How to size an Android view based on its parent's dimensions
...not work for this scenario, but @M.Schenk's comment does. It also saves an extra layout pass. You should also post it as an answer for visibility.
– dokkaebi
Jan 10 '13 at 16:32
7
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CSS Cell Margin
...gin does not work unfortunately on individual cells, however you could add extra columns between the two cells you want to put a space between... another option is to use a border with the same colour as the background...
s...
What do the plus and minus signs mean in Objective-C next to a method?
...tain object instances directly using special syntax, like in the case of a string like this:
NSString *myStringInstance = @"abc";
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Improve INSERT-per-second performance of SQLite
...NSIENT for those inserts.
SQLITE_TRANSIENT will cause SQLite to copy the string data before returning.
SQLITE_STATIC tells it that the memory address you gave it will be valid until the query has been performed (which in this loop is always the case). This will save you several allocate, copy an...