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Mod of negative number is melting my brain
...ould write it as
int mod(int x, int m) {
int r = x%m;
return r<0 ? r+m : r;
}
or variants thereof.
The reason it works is that "x%m" is always in the range [-m+1, m-1]. So if at all it is negative, adding m to it will put it in the positive range without changing its value modulo m.
...
How to remove leading zeros using C#
...e ones that convert through IntXX) methods will not work for:
String s = "005780327584329067506780657065786378061754654532164953264952469215462934562914562194562149516249516294563219437859043758430587066748932647329814687194673219673294677438907385032758065763278963247982360675680570678407806473296...
Explain the use of a bit vector for determining if all characters are unique
...
103
int checker is used here as a storage for bits. Every bit in integer value can be treated as a ...
How to resize a VirtualBox vmdk file
..."cloned.vdi" --format vdi
VBoxManage modifymedium "cloned.vdi" --resize 51200
VBoxManage clonemedium "cloned.vdi" "resized.vmdk" --format vmdk
The above will resize the hard disk up to 50GB (50 * 1024MB).
To complete things you need to resize the drive too! To achieve this, you might want to dow...
ValueError: math domain error
... |
edited Sep 3 '17 at 20:49
answered Apr 8 '13 at 23:06
...
Cross Browser Flash Detection in Javascript
...ng embedded flash content. I say reliably because I know its not possible 100% of the time.
16 Answers
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Hex representation of a color with alpha channel?
...se rgba() functional notation with decimals or percentages, e.g. rgba(255, 0, 0, 0.5) would be 50% transparent red. RGB channels are 0-255 or 0%-100%, alpha is 0-1.
In CSS 4*, you can specify the alpha channel using the 7th and 8th characters of an 8 digit hex colour, or 4th character of a 4 digit ...
Analyze audio using Fast Fourier Transform
...
209
The array you are showing is the Fourier Transform coefficients of the audio signal. These coef...
How to merge two sorted arrays into a sorted array? [closed]
...
Sumit Singh
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answered May 11 '11 at 1:19
Greg HewgillGreg Hewgill
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Convert string with commas to array
... JSON.parse("[" + string + "]");
This gives you an Array of numbers.
[0, 1]
If you use .split(), you'll end up with an Array of strings.
["0", "1"]
Just be aware that JSON.parse will limit you to the supported data types. If you need values like undefined or functions, you'd need to use ...