dr_rk questions

• Open File explorer from command line in Command Prompt
• OpenCV findcontours returns 2 contours for each circle
• Removing nodes in XML with XPath and PHP
• OpenCV window in fullscreen and without any borders
• Arithmetic inside a for loop batch file
• Fitting a line that passes through the origin (0,0) to data
• Where does Homebrew put the binaries?
• Exclude elements from array [duplicate]
• Git cloning a repository that is already a clone
• Algorithm or software for slicing a mesh

dr_rk answers