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How can I delete multiple lines in vi?
...
You can delete multiple(range) lines if you know the line numbers:
:[start_line_no],[end_line_no]d
Note: d stands for delete
where,
start_line_no is the beginning line no you want to delete and
end_line_no is the ending line no you want to del...
Amazon S3 CORS (Cross-Origin Resource Sharing) and Firefox cross-domain font loading
..., 09 Dec 2013 14:29:04 GMT
ETag: "98918ee7f339c7534c34b9f5a448c3e2"
Accept-Ranges: bytes
Content-Type: application/x-font-ttf
Content-Length: 12156
Server: AmazonS3
2) Check Cloudfront works with the headers
curl -i -H "Origin: https://example.com" https://xxxxx.cloudfront.net/assets/fonts/my-coo...
Quickly find whether a value is present in a C array?
... need to find a hash function that maps your input value to a value in the range 0..n, where there are no collisions for all the valid values you care about. That is, no two "valid" values hash to the same output value. When searching for a good hash function, you aim to:
Keep the hash function rea...
Extracting text OpenCV
....CHAIN_APPROX_NONE)
mask = np.zeros(bw.shape, dtype=np.uint8)
for idx in range(len(contours)):
x, y, w, h = cv2.boundingRect(contours[idx])
mask[y:y+h, x:x+w] = 0
cv2.drawContours(mask, contours, idx, (255, 255, 255), -1)
r = float(cv2.countNonZero(mask[y:y+h, x:x+w])) / (w * h)
...
Rails ActiveRecord date between
...
Wouldn't this create a huge range object?
– Kasper Grubbe
Oct 14 '13 at 10:12
3
...
What is the bower (and npm) version syntax?
...chema. (As does the related caret operator ^.) You can use ~ to narrow the range of versions you're willing to accept to either:
subsequent patch-level changes to the same minor version ("bug fixes not affecting the API"), or:
subsequent minor-level changes to the same major version ("backwards co...
Random Number Between 2 Double Numbers
...extDouble returns a double between 0 and 1. You then multiply that by the range you need to go into (difference between maximum and minimum) and then add that to the base (minimum).
public double GetRandomNumber(double minimum, double maximum)
{
Random random = new Random();
return random...
What's the Hi/Lo algorithm?
...h" sequence, knowing that it can then safely generate keys from the entire range of the previous "high" value with the variety of "low" values.
For instance, supposing you have a "high" sequence with a current value of 35, and the "low" number is in the range 0-1023. Then the client can increment t...
How to compute the similarity between two text documents?
... day keeps the doctor away",
... "Never compare an apple to an orange",
... "I prefer scikit-learn to Orange",
... "The scikit-learn docs are Orange and Blue"] ...
Is the “struct hack” technically undefined behavior?
...des in the list of undefined behavior:
An array subscript is out of range, even if an object is apparently accessible with the given subscript (as in the lvalue expression a[1][7] given the declaration int a[4][5]) (6.5.6).
Paragraph 8 of Section 6.5.6 Additive operators has another ment...