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What is the Java string pool and how is “s” different from new String(“s”)? [duplicate]
...ust be immutable. Interning strings
makes some string processing tasks
more time- or space-efficient at the
cost of requiring more time when the
string is created or interned. The
distinct values are stored in a string
intern pool.
Basically, a string intern pool allows a runtime to sa...
How to remove outliers from a dataset
..., or not so much. That's why (at least in biology) the median usually says more about a population than the mean.
– Rodrigo
Feb 11 '17 at 3:17
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Why and when to use Node.js? [duplicate]
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uint8_t can't be printed with cout
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How to migrate back from initial migration in Django 1.7?
...migration history and drops all tables of <app>
See django docs for more info.
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Clone private git repo with dockerfile
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105
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Does Ruby regular expression have a not match operator like “!~” in Perl?
... contain "bar".
In Ruby, particularly with a modern style guide, I think a more explicit solution is more conventional and easy to understand:
input = 'foobar'
do_something unless input.match?(/bar/)
needs_bar = !input.match?(/bar/)
That said, I think it would be spiffy if there was a .no_match?...
Rails 4 multiple image or file upload using carrierwave
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