
python - What is the difference between shallow copy, deepcopy …
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 …
How to copy a dictionary and only edit the copy - Stack Overflow
Mar 18, 2010 · A shallow copy constructs a new compound object and then (to the extent possible) inserts references into it to the objects found in the original. A deep copy constructs …
How do I clone a list so that it doesn't change unexpectedly after ...
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 …
What is --from, as used in COPY command in Dockerfile?
Feb 24, 2021 · So, in order to access that directory and copy the content inside it, your final build (third instruction) is copying from that directory using --from=publish so you can access the …
Visual Studio Copy Project - Stack Overflow
May 19, 2009 · 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 …
How can I copy a Python string? - Stack Overflow
You don't need to copy a Python string. They are immutable, and the copy module always returns the original in such cases, as do str(), the whole string slice, and concatenating with an empty …
vim - Copy all the lines to clipboard - Stack Overflow
Oct 25, 2009 · Is there any way to copy all lines from open file to clipboard in VI editor. I tried yG but it's not using clipboard to store those lines. So is it possible?
How can I make Vim paste from (and copy to) the system's …
Unlike other editors, Vim stores copied text in its own clipboard. So, it's very hard for me to copy some text from a webpage and paste it into the current working file. It so happens I have to eit...
filesystems - copy all files and folders from one drive to another ...
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 …
What is the difference between the 'COPY' and 'ADD' commands …
You should check the ADD and COPY documentation for a more detailed description of their behaviors, but in a nutshell, the major difference is that ADD can do more than COPY: ADD …