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How to show line number when executing bash script
...or example, if your script reads:
$ cat script
foo=10
echo ${foo}
echo $((2 + 2))
Executing it thus would print line numbers:
$ PS4='Line ${LINENO}: ' bash -x script
Line 1: foo=10
Line 2: echo 10
10
Line 3: echo 4
4
http://wiki.bash-hackers.org/scripting/debuggingtips gives the ultimate PS4 t...
Pan & Zoom Image
...(ScaleTransform)image.RenderTransform;
double zoom = e.Delta > 0 ? .2 : -.2;
st.ScaleX += zoom;
st.ScaleY += zoom;
}
To handle the panning the first thing I did was to handle the MouseLeftButtonDown event on the image, to capture the mouse and to record it's location, I also store t...
How to exit from Python without traceback?
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edited Jun 30 '12 at 19:48
martineau
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How to generate a range of numbers between two numbers?
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28 Answers
28
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How to check if AlarmManager already has an alarm set?
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325
Following up on the comment ron posted, here is the detailed solution. Let's say you have regi...
Auto-center map with multiple markers in Google Maps API v3
...arker({
position: new google.maps.LatLng(locations[i][1], locations[i][2]),
map: map
});
//extend the bounds to include each marker's position
bounds.extend(marker.position);
google.maps.event.addListener(marker, 'click', (function(marker, i) {
return function() {
infowin...
How do I find the location of my Python site-packages directory?
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21 Answers
21
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Unix command-line JSON parser? [closed]
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edited Dec 25 '18 at 3:31
answered Oct 4 '10 at 20:15
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How to replace list item in best way
...item.
List<string> listOfStrings = new List<string> {"abc", "123", "ghi"};
listOfStrings[listOfStrings.FindIndex(ind=>ind.Equals("123"))] = "def";
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