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Why should I use core.autocrlf=true in Git?
...howing all your files as modified because of the automatic EOL conversion done when cloning a Unix-based EOL Git repo to a Windows one (see issue 83 for instance)
and your coding tools somehow depends on a native EOL style being present in your file:
for instance, a code generator hard-coded to de...
Which concurrent Queue implementation should I use in Java?
... wait longer than other threads, causing unpredictable behavior (sometimes one thread will just take several seconds because other threads that started later got processed first). The trade-off is that it takes overhead to manage the fairness, slowing down the throughput.
The most important differe...
Sound effects in JavaScript / HTML5
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This is a better answer than the accepted one, as it focuses on the correct solution to the problem (WebAudio API), and the reasons Audio elements aren't a good solution, rather than trying to hack together a bad solution with Audio elements
– A...
How do I create a dynamic key to be added to a JavaScript object variable [duplicate]
...s are objects, but not all objects are arrays. The primary difference (and one that's pretty hard to mimic with straight JavaScript and plain objects) is that array instances maintain the length property so that it reflects one plus the numeric value of the property whose name is numeric and whose v...
All Ruby tests raising: undefined method `authenticate' for nil:NilClass
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in RSpec
as Jeffrey W. mentioned, in his answer above -> to set this to all controllers:
RSpec.configure do |config|
# ...
config.include Devise::TestHelpers, type: :controller
# ...
end
however, if this is relevant to just one spec, you don...
hexadecimal string to byte array in python
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If anyone is looking for hex string -> bytes object, it's ` bytes.fromhex("000102030405060708090A0B0C0D0E0F")` which yields b'\x00\x01\x02\x03\x04\x05\x06\x07\x08\t\n\x0b\x0c\r\x0e\x0f'. Not posting as an answer since question a...
How does JavaScript .prototype work?
...never really got my head around this prototype-based programming, does any one know how this works?
26 Answers
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Number of lines in a file in Java
... You can see that countLinesOld has a few outliers, and countLinesNew has none and while it's only a bit faster, the difference is statistically significant. LineNumberReader is clearly slower.
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What does %w(array) mean?
..., %i, %W, %I) as it is aligned with the standard array literals.
# bad
%w(one two three)
%i(one two three)
# good
%w[one two three]
%i[one two three]
For more read here.
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CSS margin terror; Margin adds space outside parent element [duplicate]
...d some good explaining. No solution is really 100% satisfying. But I guess one just have to live with it, margin must work this way or text formatting would be impossible. 99% of time it works as needed. But every now and then comes the issue when designing a layout. :P
– jamie...