
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 …
How do I copy an object in Java? - Stack Overflow
Mar 23, 2012 · Create a copy constructor: class DummyBean { private String dummy; public DummyBean(DummyBean another) { this.dummy = another.dummy; // you can access } } …
Dockerfile copy keep subdirectory structure - Stack Overflow
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 …
How can I copy and paste content from one file to another?
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 …
Copying and pasting code directly into the Python interpreter
There is a snippet of code that I would like to copy and paste into my Python interpreter. Unfortunately due to Python's sensitivity to whitespace it is not straightforward to copy and …
How to override the copy/deepcopy operations for a Python object?
The copy module does not use the copy_reg registration module. In order for a class to define its own copy implementation, it can define special methods __copy__() and __deepcopy__(). The …
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 …
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?