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Getting a random value from a JavaScript array

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inserting characters at the start and end of a string

...you can also create a string with n Ls by using multiplication: m = 1 n = 2 yourstring = ("L" * m) + yourstring + ("L" * n) share | improve this answer | follow ...
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How to convert a string to lower or upper case in Ruby

... 1612 Ruby has a few methods for changing the case of strings. To convert to lowercase, use downcase: ...
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How to remove elements from a generic list while iterating over it?

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Checking if all elements in a list are unique

... answered Mar 11 '11 at 20:47 yanyan 19.1k33 gold badges3232 silver badges4747 bronze badges ...
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jQuery form serialize - empty string

... 216 You have to give the input element a name. E.g.: <form id="form1" action="/Home/Test1" met...
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How can I pass a member function where a free function is expected?

...ion(void (*fptr)(void*, int, int), void* context) { fptr(context, 17, 42); } void non_member(void*, int i0, int i1) { std::cout << "I don't need any context! i0=" << i0 << " i1=" << i1 << "\n"; } struct foo { void member(int i0, int i1) { std::cout...
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Django Rest Framework: Dynamically return subset of fields

... 124 You can override the serializer __init__ method and set the fields attribute dynamically, based...
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Sort a list of tuples by 2nd item (integer value) [duplicate]

... Try using the key keyword with sorted(). sorted([('abc', 121),('abc', 231),('abc', 148), ('abc',221)], key=lambda x: x[1]) key should be a function that identifies how to retrieve the comparable element from your data structure. In your case, it is the second element of the tuple...
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Hide options in a select list using jQuery

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