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Is a Java string really immutable?
...hange the lookup table used in Integer autoboxing etc.
Now, the reason s1 and s2 change value, is that they both refer to the same interned string. The compiler does this (as mentioned by other answers).
The reason s3 does not was actually a bit surprising to me, as I thought it would share the v...
SSH configuration: override the default username [closed]
...ostName example.net
User buck
The second example will set a username and is hostname specific, while the first example sets a username only. And when you use the second one you don't need to use ssh example.net; ssh example will be enough.
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jQuery trigger file input
...o i tried positioning it outside the viewport by setting position:absolute and top:-100px; and voilà it works.
see http://jsfiddle.net/DSARd/1/
call it a hack.
Hope that works for you.
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How to reference the initial commit?
...pository (even if we discount disconnected branches, such as 'html', 'man' and 'todo' in git.git repository). This is usually result of joining separate projects in one, or using subtree merge of separately developed subproject.
For example git repository has 6 root commits: git-gui, gitk (subtree...
return statement vs exit() in main()
...he return statements because I feel it's like reading any other function and the flow control when I'm reading the code is smooth (in my opinion). And even if I want to refactor the main() function, having return seems like a better choice than exit() .
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What are best practices for using SmtpClient, SendAsync and Dispose under .NET 4.0
...en before await was available. This is a traditional callback using event handlers. await should be used if using the newer SendMailAsync.
– TheCodeKing
Jan 10 '15 at 11:05
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What is difference between monolithic and micro kernel?
Could anyone please explain with examples difference between monolithic and micro kernel? Also other classifications of the kernel?
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What is the easiest way to push an element to the beginning of the array?
...
Prepends objects to the front of self, moving other elements upwards.
And in use:
irb>> a = [ 0, 1, 2]
=> [0, 1, 2]
irb>> a.unshift('x')
=> ["x", 0, 1, 2]
irb>> a.inspect
=> "["x", 0, 1, 2]"
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Install NPM into home directory with distribution nodejs package (Ubuntu)
...s. Here's how I suggest compartmentalizing Nodejs packages:
Install Nodejs and NPM via the chris-lea PPA. Then I set up a package root in my homedir to hold the Node "global" packages:
$ NPM_PACKAGES="$HOME/.npm-packages"
$ mkdir -p "$NPM_PACKAGES"
Set NPM to use this directory for its global pac...
Should I use PATCH or PUT in my REST API?
... the one thing to toggle, completely replacing it is not such a huge deal. And it does allow for a (insignificantly) smaller request.
– thecoshman
Jun 17 '14 at 13:04
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