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How to find all the subclasses of a class given its name?
I need a working approach of getting all classes that are inherited from a base class in Python.
10 Answers
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delete_all vs destroy_all?
...any tables. I want to delete this user and every record that has his ID in all tables.
4 Answers
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Command to collapse all sections of code?
In Visual Studio is there a command to collapse/expand all the sections of code in a file?
20 Answers
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What is the difference between UNION and UNION ALL?
What is the difference between UNION and UNION ALL ?
26 Answers
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Push local Git repo to new remote including all branches and tags
...rs).
My local repo has a few branches and tags, and I would like to keep all of my history.
14 Answers
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Iterator invalidation rules
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C++17 (All references are from the final working draft of CPP17 - n4659)
Insertion
Sequence Containers
vector: The functions insert, emplace_back, emplace, push_back cause reallocation if the new size is greater than the old capa...
Send response to all clients except sender
To send something to all clients, you use:
10 Answers
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How to determine if one array contains all elements of another array
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Perhaps this is easier to read:
a2.all? { |e| a1.include?(e) }
You can also use array intersection:
(a1 & a2).size == a1.size
Note that size is used here just for speed, you can also do (slower):
(a1 & a2) == a1
But I guess the first is more re...
Give all the permissions to a user on a DB
I would like to give an user all the permissions on a database without making it an admin.
The reason why I want to do that is that at the moment DEV and PROD are different DBs on the same cluster so I don't want a user to be able to change production objects but it must be able to change objects on...
What does “all” stand for in a makefile?
...s concerning Makefiles but for me it is still unclear for what the target "all" stands for and what it does.
4 Answers
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