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    1. POobject-oriented shell for linux?
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      1. PTQuestion
    2. POHow to stop HTTP (and rfc822, email) header injection?
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    3. PO
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      1. PTAnswer
    1. POspeed of parsing json structure's
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    2. POobject-oriented shell for linux?
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    3. POreplacement functionality for imp.load_module() in Google App Engine?
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    1. CO@JanusTroelsen I realize this :-). I actually had it the other way around (with True/False in the set and the iterable in the method param) at first, but realized that this would not work with infinite generators, and a user might not realize (since this fact is not (yet) mentioned in the docs for iterable set method params), and at least like this it is obvious that it will not take infinite iterators. I was aware of `itertools.tee` but 1) I was looking for a one-liner which was simple/small enough to warrant copy-pasting, 2) you already gave an answer which uses that technique :-)
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      1. PO
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    2. COIn a nutshell, students probably do not understand because they do not understand correctly, or at all, how a computer's memory in general, and specifically [the C "memory model"](http://stackoverflow.com/a/897414/541412) works. This book [Programming from the Ground Up](http://savannah.nongnu.org/projects/pgubook/) gives a very good lesson on these topics.
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      1. POWhat are the barriers to understanding pointers and what can be done to overcome them?
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    3. COAlso: For a bit of an in-depth analysis of C pointers, see https://blogs.oracle.com/ksplice/entry/the_ksplice_pointer_challenge. Also, [Programming from the Ground Up](http://savannah.nongnu.org/projects/pgubook/) shows how they work on the machine level. Understanding [C's "memory model"](http://stackoverflow.com/a/897414/541412) is very useful for understanding how C pointers work.
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      1. POHow do function pointers in C work?
      1. USAbbafei
 

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