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Java: Clear the console
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edited Mar 13 '16 at 5:03
Jeffrey Bosboom
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a...
Is Zookeeper a must for Kafka?
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10
In fact, kafka designed in a way that even in you go with single broker it is still distributed mode, but with replication factor of 1 -- th...
How to have the formatter wrap code with IntelliJ?
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edited Aug 14 '15 at 9:09
edwardmlyte
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answe...
Is there a standard for storing normalized phone numbers in a database?
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80
First, beyond the country code, there is no real standard. About the best you can do is recogniz...
How to continue a task when Fabric receives an error
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edited Jun 20 at 9:12
Community♦
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answered Oct 6 '10 at 22:14
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Block Comments in a Shell Script
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answered Jun 4 '09 at 0:02
sunny256sunny256
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Parallel foreach with asynchronous lambda
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Rocklan
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answered Feb 28 '13 at 13:30
Stephen ClearyStep...
Ruby arrays: %w vs %W
...fewer escape sequences), while %W quotes like double quotes "".
irb(main):001:0> foo="hello"
=> "hello"
irb(main):002:0> %W(foo bar baz #{foo})
=> ["foo", "bar", "baz", "hello"]
irb(main):003:0> %w(foo bar baz #{foo})
=> ["foo", "bar", "baz", "\#{foo}"]
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How can I read a text file without locking it?
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edited Apr 10 at 21:32
answered Aug 10 '10 at 11:14
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Hash String via SHA-256 in Java
...TF_8));
byte[] digest = md.digest();
String hex = String.format("%064x", new BigInteger(1, digest));
System.out.println(hex);
}
}
In the snippet above, digest contains the hashed string and hex contains a hexadecimal ASCII string with left zero padding.
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