May 6, 2017 · Below code demonstrates the difference between assignment, shallow copy using the copy method, shallow copy using the (slice) [:] and the deepcopy. Below example uses nested lists …

I am working with two files, and I need to copy a few lines from one file and paste them into another file. I know how to copy (yy) and paste (p) in the same file. But that doesn't work for different

Jan 17, 2012 · If you want a copy, the fastest way of doing this would be to save the project. Then make a copy of the entire thing on the File System. Go back into Visual Studio and open the copy (by right …

Jun 23, 2015 · Clone is designed for arbitrary duplications: a Clone implementation for a type T can do arbitrarily complicated operations required to create a new T. It is a normal trait (other than being in …

import copy new_list = copy.copy(old_list) This is a little slower than list() because it has to find out the datatype of old_list first. If you need to copy the elements of the list as well, use generic …

May 13, 2015 · This is the best solution because in one command you can copy an entire filesystem's worth of changes into an image layer. I keep a /resources directory in my source repo that mirrors …

Aug 24, 2011 · 81 i want to copy all files and folders from one drive to another drive using MS-DOS. How to do it? I am trying xcopy I:\*.* N:\ But it copies only files, not folders. So how to copy all files …

How do I copy a file in Python? copy2(src,dst) is often more useful than copyfile(src,dst) because: it allows dst to be a directory (instead of the complete target filename), in which case the basename of …

This answer explains copy by reference vs copy by value. Shallow copy vs deep copy is a concept that applies to collections. See this answer and this answer.

May 3, 2017 · COPY --exclude=*.txt hom* /mydir/ You can specify the --exclude option multiple times for a COPY instruction. Multiple --excludes are files matching its patterns not to be copied, even if the …