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PHP how to get local IP of system

I need to get local IP of computer like 192.*.... Is this possible with PHP? 16 Answers ...
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How do I use floating-point division in bash?

I am trying to divide two image widths in a Bash script, but bash gives me 0 as the result: 18 Answers ...
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Detect if an element is visible with jQuery [duplicate]

...ip a bunch of extra work when custom selectors like :visible are used many times in the same document. That particular case is up to 17 times faster now! Keep in mind that even with this improvement, selectors like :visible and :hidden can be expensive because they depend on the browser to determine...
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Convert integer into byte array (Java)

what's a fast way to convert an Integer into a Byte Array ? 11 Answers 11 ...
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Best practice for Python assert

... no code for an assert statement when optimization is requested at compile time. - Python 2 Docs Python 3 Docs If you use assert to implement application functionality, then optimize the deployment to production, you will be plagued by "but-it-works-in-dev" defects. See PYTHONOPTIMIZE and -O -OO ...
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Interview question: Check if one string is a rotation of other string [closed]

...be long, here's a Python version that uses Boyer-Moore to get O(n) running time: def isrotation(s1, s2): return len(s1)==len(s2) and re.compile(re.escape(s1)).search(2*s2) is not None – Duncan Apr 20 '10 at 13:15 ...
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What is the appropriate HTTP status code response for a general unsuccessful request (not an error)?

...er MAY send a Retry-After header field to suggest an appropriate amount of time for the client to wait before retrying the request. share | improve this answer | follow ...
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Selectors in Objective-C?

First, I'm not sure I really understand what a selector is. From my understanding, it's the name of a method, and you can assign it to a class of type 'SEL' and then run methods such as respondToSelector to see if the receiver implements that method. Can someone offer up a better explanation? ...
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ValidateRequest=“false” doesn't work in Asp.Net 4

I have a form at which I use ckeditor. This form worked fine at Asp.Net 2.0 and 3.5 but now it doesn't work in Asp.Net 4+. I have ValidateRequest="false" directive. Any suggestions? ...
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In Bash, how to add “Are you sure [Y/n]” to any command or alias?

In this particular case, I'd like to add a confirm in Bash for 17 Answers 17 ...