
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 …
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 …
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 …
python - How do I copy a file? - Stack Overflow
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 …
How can I create a copy of an object in Python? - Stack Overflow
Jan 25, 2011 · To get a fully independent copy of an object you can use the copy.deepcopy() function. For more details about shallow and deep copying please refer to the other answers to …
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 …
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 …
Copying and pasting code directly into the Python interpreter
My answer is specifically about copy-pasting into the standard python shell (only tested on linux). Depending on where the code comes from and how it is originally formatted the whitespace …
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 Copy and Clone? - Stack Overflow
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 …