Sorted:

cvFindContours() not working in OpenCV 2.3.1-Collection of common programming errors

Linking against OpenCV 2.3.1 on Ubuntu-Collection of common programming errors

How do I install OpenCV for PHP?-Collection of common programming errors

OpenCV compile error undefined reference to `cv::createEigenFaceRecognizer(int, double)'-Collection of common programming errors

openCV make error-Collection of common programming errors

problem about opticalflow-Collection of common programming errors

problem about mysql-error-1142-Collection of common programming errors

problem about dev-c++-Collection of common programming errors

problem about denormalized-Collection of common programming errors

How to use FeatureDetector in OpenCV C++?-Collection of common programming errors