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Algorithm to detect corners of paper sheet in photo
...[1])
# these constants are carefully picked
MORPH = 9
CANNY = 84
HOUGH = 25
img = cv2.cvtColor(orig, cv2.COLOR_BGR2GRAY)
cv2.GaussianBlur(img, (3,3), 0, img)
# this is to recognize white on white
kernel = cv2.getStructuringElement(cv2.MORPH_RECT,(MORPH,MORPH))
...
Media Queries: How to target desktop, tablet, and mobile?
...possible to press - especially on your screen!
– greg84
Jan 15 '14 at 0:01
6
@media only screen a...
ASP MVC in IIS 7 results in: HTTP Error 403.14 - Forbidden
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Don't forget that for a 64 bit system it's "Framework64". I.e., Windows\Microsoft.NET\Framework64\v4.xxx.xxx
– grahamesd
Dec 17 '15 at 21:29
...
Append text to input field
... edited Mar 6 '16 at 19:06
L84
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answered May 8 '09 at 21:00
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MIME type warning in chrome for png images
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84
I encountered this while running an ASP.NET WebForms app using the ASP.NET Development Server.
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How can I open a cmd window in a specific location?
...
64
Try out this "PowerToy" from Microsoft:
Open Command Window Here
This PowerToy adds an...
Simple calculations for working with lat/lon and km distance?
...ing - for that you'd probably want a more complicated formula using the WGS84 reference ellipsoid (the model used for GPS). But the error is probably negligible for your purposes.
Source: http://en.wikipedia.org/wiki/Latitude
Caution: Be aware that latlong coordinates are expressed in degrees, wh...
docker mounting volumes on host
...d8a16b48d2...",
"/var/log/nginx": "/var/lib/docker/vfs/dir/71896ce364ef919592f4e99c6e22ce87..."
},
"VolumesRW": {
"/var/www": false,
"/var/cache/nginx": true,
"/var/log/nginx": true
}
}]
What I usually do is make symlinks in some standard place such as /...
Bash: infinite sleep (infinite blocking)
... was a cool thing to learn about for Linux. However, while true; do sleep 86400; done ought to be an adequate substitute.
– Ivan X
Feb 1 '15 at 10:26
...
Comparison of DES, Triple DES, AES, blowfish encryption for data
...-forced, as has been demonstrated more than ten years ago). Also, DES uses 64-bit blocks, which raises some potential issues when encrypting several gigabytes of data with the same key (a gigabyte is not that big nowadays).
3DES is a trick to reuse DES implementations, by cascading three instances o...