SDG questions

• How does pruning choice points in the code below make it more efficient (Prolog)?
• Are function prototypes necessary for C++?
• How do you remove the first and the last characters from a Multimap's String representation?
• Why am I getting a blank image as my output?
• What is the difference between reverse and forward engineering in SQL [closed]
• Want to create a list of directories at the n-1 level (folders that do not contain any subfolders) with either bash or python
• SQL query for distinct professors and courses
• What is the difference between _ and _variable in prolog?
• TypeError: 'NoneType' object is not callable Tensorflow
• Removing periodic noise from an image using the Fourier Transform

SDG answers