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Difference between break and continue statement
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This is just the basics of break and continue. For a better explanation look at Jay's Post
– Xn0vv3r
Jan 20 '09 at 18:16
1
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Fast permutation -> number -> permutation mapping algorithms
I have n elements. For the sake of an example, let's say, 7 elements, 1234567. I know there are 7! = 5040 permutations possible of these 7 elements.
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Dynamically update values of a chartjs chart
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Original Post
As of Nov 2013, there seem to be very few options for updating charts.
There is a good example here (duplicated below) of adding new points to a line chart. Still kind of jumpy but not too bad. However, I think the effect probably depends on the chart you are using.
It...
Draw a perfect circle from user's touch
...ution without introducing all that complexity. (Please don't get me wrong, for any serious purpose it is better to use some mature and proven to be stable framework).
I will present my results first and then explain the simple and straightforward idea behind them.
You'll see in my implementatio...
Fastest way to check if string contains only digits
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bool IsDigitsOnly(string str)
{
foreach (char c in str)
{
if (c < '0' || c > '9')
return false;
}
return true;
}
Will probably be the fastest way to do it.
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Syntax for creating a two-dimensional array
...he following:
int[][] multi = new int[5][10];
... which is a short hand for something like this:
int[][] multi = new int[5][];
multi[0] = new int[10];
multi[1] = new int[10];
multi[2] = new int[10];
multi[3] = new int[10];
multi[4] = new int[10];
Note that every element will be initialized to ...
how does multiplication differ for NumPy Matrix vs Array classes?
The numpy docs recommend using array instead of matrix for working with matrices. However, unlike octave (which I was using till recently), * doesn't perform matrix multiplication, you need to use the function matrixmultipy(). I feel this makes the code very unreadable.
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Regex to validate date format dd/mm/yyyy
I need to validate a date string for the format dd/mm/yyyy with a regular expresssion.
20 Answers
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What to use as an initial version? [closed]
...e releasing code to the public.
If it's your call, do whatever works best for you. I've had some issues with versions before 1.0 so I start with that.
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HTML5 Canvas Resize (Downscale) Image High Quality?
...els in the original image into a single pixel in the destination image.
For performances reasons Browsers do a very simple downsampling : to build the smaller image, they will just pick ONE pixel in the source and use its value for the destination. which 'forgets' some details and adds noise.
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