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What's the difference between nohup and ampersand

Both nohup myprocess.out & or myprocess.out & set myprocess.out to run in the background. After I shutdown the terminal, the process is still running. What's the difference between them? ...
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Setting multiple attributes for an element at once with JavaScript

How can I set multiple attributes at once with JavaScript? Unfortunately, I'm not able to use a framework like jQuery on this project. Here is what I have now: ...
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How to randomly sort (scramble) an array in Ruby?

... And if you want to implement it yourself: en.wikipedia.org/wiki/Fisher-Yates_shuffle – Joey Nov 29 '09 at 18:52 ...
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What is the difference between aggregation, composition and dependency? [duplicate]

...d Room (child). Rooms don't exist separate to a House. The above two are forms of containment (hence the parent-child relationships). Dependency is a weaker form of relationship and in code terms indicates that a class uses another by parameter or return type. Dependency is a form of association....
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Why is SSE scalar sqrt(x) slower than rsqrt(x) * x?

I've been profiling some of our core math on an Intel Core Duo, and while looking at various approaches to square root I've noticed something odd: using the SSE scalar operations, it is faster to take a reciprocal square root and multiply it to get the sqrt, than it is to use the native sqrt opcode!...
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Plugin execution not covered by lifecycle configuration (JBossas 7 EAR archetype)

...lugin:generate-application-xml), you also need to add additional config information for M2E that tells M2E what to do when the build is run in Eclipse, e.g. should the plugin execution be ignored or executed by M2E, should it be also done for incremental builds, ... If that information is missing, M...
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How to determine if a decimal/double is an integer?

How do I tell if a decimal or double value is an integer? 14 Answers 14 ...
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Why should I use var instead of a type? [duplicate]

...alled ReSharper it demands(by warnings) that I use var whenever possible, for example 4 Answers ...
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How to duplicate virtualenv

... file that contains a list of all the python packages you want to install (or have already installed in case of file generated by pip), and what versions they're at. To generate a requirements file, go into your original virtualenv, and run: pip freeze > requirements.txt This will generate th...
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Design by contract using assertions or exceptions? [closed]

When programming by contract a function or method first checks whether its preconditions are fulfilled, before starting to work on its responsibilities, right? The two most prominent ways to do these checks are by assert and by exception . ...