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How to create abstract properties in python abstract classes
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@James How to make it compatible for python 2 and as well?
– himanshu219
Jul 12 '19 at 6:52
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What does the tilde (~) mean in my composer.json file?
I have this line in my composer.json file:
3 Answers
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How to style a JSON block in Github Wiki?
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Is there a difference between “raise exception()” and “raise exception” without parenthesis?
...se the C code to auto-instantiate don't have the interpreted overhead than comes from you making the call yourself.
– Raymond Hettinger
Apr 7 '18 at 2:00
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MySQL ON DUPLICATE KEY UPDATE for multiple rows insert in single query
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Get all git commits since last tag
When I'm going to tag a commit, I need to know what changed since the last tagged commit. Eg:
2 Answers
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Boolean.hashCode()
...me numbers would do fine.
Why primes?
Suppose for a second that we picked composite numbers (non-primes), say 1000 and 2000. When inserting booleans into a hash table, true and false would go into bucket 1000 % N resp 2000 % N (where N is the number of buckets).
Now notice that
1000 % 8 same bu...
kernel stack and user space stack
...ecture's interrupt gates but instead delegates the interrupt dispatch to a common kernel interrupt entry/exit mechanism which saves pre-interrupt register state before calling the registered handler(s). The CPU itself when dispatching an interrupt might execute a privilege and/or stack switch, and t...