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What is the difference between a port and a socket?
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How do you get the length of a list in the JSF expression language?
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edited Dec 11 '13 at 20:23
Beryllium
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What are all the common ways to read a file in Ruby?
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262
File.open("my/file/path", "r") do |f|
f.each_line do |line|
puts line
end
end
# File i...
Get a list of checked checkboxes in a div using jQuery
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edited Apr 16 '14 at 12:41
Martin Kapfhammer
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Is it a good idea to index datetime field in mysql?
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How to get rid of Git submodules untracked status?
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edited Jan 26 '18 at 0:12
mehmet
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Hibernate SessionFactory vs. JPA EntityManagerFactory
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answered Apr 12 '11 at 19:52
BozhoBozho
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Name node is in safe mode. Not able to leave
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213
In order to forcefully let the namenode leave safemode, following command should be executed:
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Hex representation of a color with alpha channel?
...the use rgba() functional notation with decimals or percentages, e.g. rgba(255, 0, 0, 0.5) would be 50% transparent red. RGB channels are 0-255 or 0%-100%, alpha is 0-1.
In CSS 4*, you can specify the alpha channel using the 7th and 8th characters of an 8 digit hex colour, or 4th character of a 4 d...