You could try to clean it before you send it to someone else.
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Also, to save it, you should look in to git and make use of the .gitignore-file. solves your problems and there is another video among the masters videos where git is brought up.
Actually, everyone should watch all the masters videos, just search for article 2015 on the community site. There are also links to videos from previous years?
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For construct projects, also make sure not to keep them in something like OneDrive or Dropbox, they don't do well there. Both because there are so many files but also because of long path names.
Create a short base path like C:\git and organize your repos there when using a windows computer.
