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How do I check in JavaScript if a value exists at a certain array index?
...y, arrays in JavaScript contain array.length elements, starting with array[0] up until array[array.length - 1]. An array element with index i is defined to be part of the array if i is between 0 and array.length - 1 inclusive. If i is not in this range it's not in the array.
So by concept, arrays...
python tuple to dict
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answered Sep 24 '10 at 1:07
Greg HewgillGreg Hewgill
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Difference between final static and static final
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edited Jul 20 '16 at 10:31
NatNgs
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RelativeLayout is taking fullscreen for wrap_content
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edited Jun 20 at 9:12
Community♦
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answered Jun 26 '11 at 20:15
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What's the need of array with zero elements?
...lloc(sizeof(*var) + extra);
You can access var->data with indices in [0, extra). Note that sizeof(struct something) will only give the size accounting for the other variables, i.e. gives data a size of 0.
It may be interesting also to note how the standard actually gives examples of mallocin...
How to get first and last day of the week in JavaScript
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Why does C++ rand() seem to generate only numbers of the same order of magnitude?
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There are only 3% of numbers between 1 and 230 which are NOT between 225 and 230. So, this sounds pretty normal :)
Because 225 / 230 = 2-5 = 1/32 = 0.03125 = 3.125%
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How to include (source) R script in other scripts
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edited Sep 11 '15 at 8:03
Roman
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answered Jun ...
How can I rename a field for all documents in MongoDB?
Assuming I have a collection in MongoDB with 5000 records, each containing something similar to:
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Fast ceiling of an integer division in C / C++
...erested in a method of returning the ceiling instead. For example, ceil(10/5)=2 and ceil(11/5)=3 .
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