Spacey questions

• In C++, check if a number has already been added to a list, without brute force searching that list
• Find specific occurrences within a vector in MATLAB, without for-loop?
• Rotating MATLAB's polar plot?
• MATLAB imagesc command not working for non-evenly spaced y-axis values [duplicate]
• Not getting what 'spatial weights' for HOG are
• Output text/numbers in MATLAB but overwrite same line in command window
• Put two y-axes on an imagesc image in MATLAB
• Trying to make MATLAB's figure stop 'blinking'
• Convert an image shown in python, into an OpenCV image.
• Conda environment name shows entire directory in prompt

Spacey answers