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Propagate all arguments in a bash shell script
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For bash and other Bourne-like shells:
java com.myserver.Program "$@"
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How to count the number of occurrences of an element in a List
I have an ArrayList , a Collection class of Java, as follows:
22 Answers
22
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Google Guava vs. Apache Commons [closed]
I was looking for a bidirectional map implementation in Java, and stumbled upon these two libraries:
5 Answers
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Is there any difference between the `:key => “value”` and `key: “value”` hash notations?
... h = { 'a.b': 'c' } is now legal as of Ruby 2.2.0. See bugs.ruby-lang.org/issues/4276
– B Seven
Apr 29 '15 at 20:34
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Java Synchronized Block for .class
What does this java code mean? Will it gain lock on all objects of MyClass ?
4 Answers
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Iterating through a Collection, avoiding ConcurrentModificationException when removing objects in a
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With Java 8 you can use the new removeIf method. Applied to your example:
Collection<Integer> coll = new ArrayList<>();
//populate
coll.removeIf(i -> i == 5);
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Difference between final and effectively final
I'm playing with lambdas in Java 8 and I came across warning local variables referenced from a lambda expression must be final or effectively final . I know that when I use variables inside anonymous class they must be final in outer class, but still - what is the difference between final and ef...
When should I use File.separator and when File.pathSeparator?
...le part is implied. But who knows why they did a lot of what they did with Java.
– user489041
Dec 21 '16 at 17:34
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Vim 80 column layout concerns
...augroup collumnLimit
autocmd!
autocmd BufEnter,WinEnter,FileType scala,java
\ highlight CollumnLimit ctermbg=DarkGrey guibg=DarkGrey
let collumnLimit = 79 " feel free to customize
let pattern =
\ '\%<' . (collumnLimit+1) . 'v.\%>' . collumnLimit . 'v'
autocmd BufEnter...
Is there a performance difference between a for loop and a for-each loop?
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From Item 46 in Effective Java by Joshua Bloch :
The for-each loop, introduced in
release 1.5, gets rid of the clutter
and the opportunity for error by
hiding the iterator or index variable
completely. The resulting idiom
applies equally...