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Make copy of an array

I have an array a which is constantly being updated. Let's say a = [1,2,3,4,5] . I need to make an exact duplicate copy of a and call it b . If a were to change to [6,7,8,9,10] , b should still be [1,2,3,4,5] . What is the best way to do this? I tried a for loop like: ...
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HTML form readonly SELECT tag/input

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Twitter Bootstrap - add top space between rows

...er" that adds the standard margin that you need. .top-buffer { margin-top:20px; } And then use it on the row divs where you need a top margin. <div class="row top-buffer"> ... share | imp...
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Argument list too long error for rm, cp, mv commands

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What is the difference between `sorted(list)` vs `list.sort()`?

... 329 sorted() returns a new sorted list, leaving the original list unaffected. list.sort() sorts the...
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XPath: select text node

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How to concatenate text from multiple rows into a single text string in SQL server?

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Using Java to find substring of a bigger string using Regular Expression

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Best introduction to C++ template metaprogramming? [closed]

...Applications by Krzysztof Czarnecki and Ulrich W. Eisenecker, ISBN-13: 9780201309775; and chapter 17, "Metaprograms" of C++ Templates: The Complete Guide by David Vandevoorder and Nicolai M. Josuttis, ISBN-13: 9780201734843. Todd Veldhuizen has an excellent tutorial here. A good resource for ...
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Is it possible to modify variable in python that is in outer, but not global, scope?

... think this does what you want, but I'm not sure if you are running python 2 or 3. The nonlocal statement causes the listed identifiers to refer to previously bound variables in the nearest enclosing scope. This is important because the default behavior for binding is to search the local n...