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What is the difference between buffer and cache memory in Linux?
...me) which would tell us if dirty blocks are counted differently than clean ones. Linux will certainly cache both types (lru as mentioned in the question) but one is far more serious in terms of memory pressure.
– Seth Robertson
Sep 26 '18 at 12:23
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Hashing a dictionary?
...he body of the question, the answer is complete.)
Nested Dictionaries
If one searches Stack Overflow for how to hash a dictionary, one might stumble upon this aptly titled question, and leave unsatisfied if one is attempting to hash multiply nested dictionaries. The answer above won't work in thi...
Possible reasons for timeout when trying to access EC2 instance
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Did you set an appropriate security group for the instance? I.e. one that allows access from your network to port 22 on the instance. (By default all traffic is disallowed.)
Update: Ok, not a security group issue. But does the problem persist if you launch up another instance from the sam...
trying to animate a constraint in swift
...s and made sure the constraint on the left has the lower priority then the one that I am trying to animate on the right side.
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How do I get bash completion to work with aliases?
... This is the only correct answer I've seen amongst many wrong ones.
– eighteyes
Mar 22 '13 at 19:16
45
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What command means “do nothing” in a conditional in Bash?
... difficult to read. Bash is a DevOps language, and if : is written by someone on my team, I'd have them change it.
– SaintHax
May 29 '17 at 19:51
3
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AddRange to a Collection
... would elliminate that operator. That is a objectively an improvement, but one that is not related to the original question. In that particular case the two forms are a matter of personal preferences, and I would prefer the "!="-operator, given the reasoning above.
– rymdsmurf
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Rails 3.1: Engine vs. Mountable App
Can someone help me understand the differences between a Rails Engine and a Mountable app? In Rails 3.1, you can create either one with the "rails new plugin ___ " command.
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python list by value not by reference [duplicate]
... 2-dimensional list, this is not going to work
– Pythoner
Jun 25 '18 at 14:55
For 2D arrays it's possible use map func...
How to install packages using pip according to the requirements.txt file from a local directory?
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One caution with this is you may pip install <some_module> without using requirements.txt but that will not update requirements.txt. An alternative might be updating a docker such that it lists all the pip install comma...