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How do I round to the nearest 0.5?
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208
Multiply your rating by 2, then round using Math.Round(rating, MidpointRounding.AwayFromZero), ...
sed: print only matching group
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140
Match the whole line, so add a .* at the beginning of your regex. This causes the entire line to...
Cost of len() function
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360
It's O(1) (constant time, not depending of actual length of the element - very fast) on every ty...
Android phone orientation overview including compass
...ow I think (hope) I have a better feeling for it again but I am still not 100%. I will try and explain my patchy understanding of it and hopefully people will be able to correct me if I am wrong in parts or fill in any blanks.
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Further understanding setRetainInstance(true)
...w.
(This is edited a bit to make it easier to read.)
TestActivity@415a4a30: this()
TestActivity@415a4a30: onCreate()
TestActivity@415a4a30: Existing fragment not found.
TestFragment{41583008}: this() TestFragment{41583008}
TestFragment{41583008}: onAttach(TestActivity@415a4a30)
TestFragment{415830...
How can I detect if the user is on localhost in PHP?
...ient requesting is given by the web server.
$whitelist = array(
'127.0.0.1',
'::1'
);
if(!in_array($_SERVER['REMOTE_ADDR'], $whitelist)){
// not valid
}
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How to install Boost on Ubuntu
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880
You can use apt-get command (requires sudo)
sudo apt-get install libboost-all-dev
Or you can ...
Can I specify multiple users for myself in .gitconfig?
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20 Answers
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How does the static modifier affect this code?
...nd initialized with default values.
So now the values are:
A obj=null
num1=0
num2=0
The second phase, execution, starts from top to bottom. In Java, the execution starts from the first static members.
Here your first static variable is static A obj = new A();, so first it will create the object of...
How to write asynchronous functions for Node.js
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edited Aug 1 '11 at 14:30
answered Aug 1 '11 at 13:20
Ray...