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Size of Matrix OpenCV
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241
cv:Mat mat;
int rows = mat.rows;
int cols = mat.cols;
cv::Size s = mat.size();
rows = s.height;...
Can't find the PostgreSQL client library (libpq)
I'm trying to install PostgreSQL for Rails on Mac OS X 10.6. First I tried the MacPorts install but that didn't go well so I did the one-click DMG install. That seemed to work.
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How many random elements before MD5 produces collisions?
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313
Probability of just two hashes accidentally colliding is 1/2128 which is 1 in 340 undecillion 2...
Webdriver Unable to connect to host 127.0.0.1 on port 7055 after 45000 ms
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91
Don't know if you resolved this problem, but I have just resolved the same issue from the other ...
Differences between numpy.random and random.random in Python
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122
You have made many correct observations already!
Unless you'd like to seed both of the random...
In C++, what is a “namespace alias”?
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189
A namespace alias is a convenient way of referring to a long namespace name by a different, sh...
How can I temporarily disable a foreign key constraint in MySQL?
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10 Answers
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What is the difference between gmake and make?
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166
'gmake' refers specifically to GNU make. 'make' refers to the system's default make implementa...
Method overloading in Objective-C?
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195
Correct, objective-C does not support method overloading, so you have to use different method ...
Call int() function on every list element?
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edited May 29 '18 at 16:43
Aran-Fey
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