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How to prove that a problem is NP complete?
...in theorem which states that SAT is NP-complete. That proof is quite a bit more complicated than what I outlined above and I don't think I can explain it in my own words.
– Laila Agaev
Jan 3 '14 at 18:34
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Linux/Unix command to determine if process is running?
... "Process is running."
else
echo "Process is not running."
fi
Furthermore, if you would like the list of PIDs, you could easily grep for those as well:
ps cax | grep httpd | grep -o '^[ ]*[0-9]*'
Whose output is the same on Linux and OS X:
3519 3521 3523 3524
The output of the following is...
When would I use XML instead of SQL? [closed]
... about the usage of XML/XSLT in general and in what situations it would be more useful than the approach I've always used, which is storing all of my data in a (My)SQL database and then using PHP/Python/etc. to work with it on the web as needed.
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Can CSS force a line break after each word in an element?
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Cross-Origin Request Headers(CORS) with PHP headers
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Handling CORS requests properly is a tad more involved. Here is a function that will respond more fully (and properly).
/**
* An example CORS-compliant method. It will allow any GET, POST, or OPTIONS requests from any
* origin.
*
* In a production environm...
Is there any way to put malicious code into a regular expression?
...l comes down to a classic time–space trade‐off.
With a DFA, you spend more time building it (and allocating more states), whereas with an NFA you spend more time executing it, since it can be multiple states at the same time, and backtracking can eat your lunch — and your CPU.
Denial‐of‐...
Run a Python script from another Python script, passing in arguments [duplicate]
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112
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How do I get ASP.NET Web API to return JSON instead of XML using Chrome?
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502
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How do I detect when someone shakes an iPhone?
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