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Best practices for SQL varchar column length [closed]
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244
No DBMS I know of has any "optimization" that will make a VARCHAR with a 2^n length perform be...
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 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...
How to get nth jQuery element
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DykamDykam
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23
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Check if two lists are equal [duplicate]
...als method checks for reference equality.
var a = ints1.SequenceEqual(ints2);
Or if you don't care about elements order use Enumerable.All method:
var a = ints1.All(ints2.Contains);
The second version also requires another check for Count because it would return true even if ints2 contains mor...
How to generate a range of numbers between two numbers?
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28 Answers
28
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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 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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Replace all non Alpha Numeric characters, New Lines, and multiple White Space with one Space
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244
Be aware, that \W leaves the underscore. A short equivalent for [^a-zA-Z0-9] would be [\W_]
t...