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What is the fastest way to compare two sets in Java?
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firstSet.equals(secondSet)
It really depends on what you want to do in the comparison logic... ie what happens if you find an element in one set not in the other? Your method has a void return type so I assume you'll do the necessary work in this method.
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How to get maximum value from the Collection (for example ArrayList)?
...f the given collection, according to the natural ordering of its elements. All elements in the collection must implement the Comparable interface.
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Query grants for a table in postgres
How can I query all GRANTS granted to an object in postgres?
7 Answers
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Setting DEBUG = False causes 500 Error
...erver), and there is no error info in Apache error log and it will run normally when I change debug to True .
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How do you get the current time of day?
..., I undid your -1's. The question is "How do I get the time of day", which all answers answer. Your downvoting is because you read the question as "How to format hours like 5:00 PM", while OP only (and explicitly) mentioned that specific date format as an example. You even downvoted @Musikero31's an...
How to exit if a command failed?
...on-zero).
Using ( ) makes the command inside them run in a sub-shell and calling a exit from there causes you to exit the sub-shell and not your original shell, hence execution continues in your original shell.
To overcome this use { }
The last two changes are required by bash.
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What are the differences between concepts and template constraints?
...To quickly summarise their meanings:
Constraint - A predicate over statically evaluable properties of a type. Purely syntactic requirements. Not a domain abstraction.
Axioms - Semantic requirements of types that are assumed to be true. Not statically checked.
Concepts - General, abstract requireme...
heroku - how to see all the logs
I have a small app on heroku. Whenever I want to see the logs I go to the command line and do
19 Answers
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“git pull” or “git merge” between master and development branches
...nges. I need to merge changes from master into develop , but will eventually merge everything from develop into master . I have two different workflows in mind:
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How to replace a string in multiple files in linux command line
...is appended to the old file names. So sed -i .bak 's/foo/bar/g' *.xx moves all .xx files to the equivalent .xx.bak name and then generates the .xx files with the foo→bar substitution.
– Anaphory
Oct 4 '14 at 22:35
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