Xu Cui
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545 Stories by Xu Cui
Adobe Flex 3 Component Life Cycle View more presentations from rjowen.
Avoid using explicit loop if possible %calculating the sum of the product of corresponding element in two row vectors A and B %bad example s = 0; for i=1:100 s = s + A(i)*B(i); end %good example s = A*B'; Avoid increment memory allocation, inste
Standard phpBB captcha is broken. I modify it such that the user need to add the numbers in captcha images and enter the result (e.g. 1+2+3=6), instead of enter the original characters (e.g. ‘123’). Enter folder /includes/ucp edit file uc
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AdaBoost is an algorithm to linearly combine many classifiers and form a much better classifier. It has been widely used in computer vision (e.g. identify faces in a picture or movie). Look at the following example: How it works? First, you have a tr