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How to return a part of an array in Ruby?
... or nil
array[start, length] -> an_array or nil
array[range] -> an_array or nil
array.slice(index) -> obj or nil
array.slice(start, length) -> an_array or nil
array.slice(range) -> an_array or nil
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C++11 range based loop: get item by value or reference to const
Reading some examples of range based loops they suggest two main ways 1, 2, 3, 4
4 Answers
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How to get indices of a sorted array in Python
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myList = [1, 2, 3, 100, 5]
sorted(range(len(myList)),key=myList.__getitem__)
[0, 1, 2, 4, 3]
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range over interface{} which stores a slice
...ts t interface{} . If it is determined that the t is a slice, how do I range over that slice?
3 Answers
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Conversion of a datetime2 data type to a datetime data type results out-of-range value
...at kind of dates do you have in the column?
Do all of them fit within the range of the type?
As an aside, the correct way to get a Type object for the DataColumn constructor is the typeof keyword, which is orders of magnitude faster.
Therefore, to create the column, you should write
new DataCo...
What is the bower (and npm) version syntax?
...chema. (As does the related caret operator ^.) You can use ~ to narrow the range of versions you're willing to accept to either:
subsequent patch-level changes to the same minor version ("bug fixes not affecting the API"), or:
subsequent minor-level changes to the same major version ("backwards co...
How to output MySQL query results in CSV format?
...at and escaping of
special characters. Escaping may be disabled by using raw mode; see
the description for the --raw option.
This will give you a tab separated file. Since commas (or strings containing comma) are not escaped it is not straightforward to change the delimiter to comma.
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How do I escape characters in c# comments?
...pse code...why can't we have an in-place comment rendering toggle (between raw text and processed XML comment or between raw text and processed HTML comment)?. Seems like I should have some elementary HTML capabilities in my method/class prologue comments (red text, italics, etc). Surely an IDE cou...
How can I generate a unique ID in Python? [duplicate]
...wice times for the same period.
the seed must be at least 1 to 2**13 range. if we want to ensure uniqueness for two hours (100% contingency), we need
a seed for 1 to 2**14 range. that's what we have with this algorithm. You have to increment seed_range_bits if you
move your machin...
Do unix timestamps change across timezones?
...ne independent, you said it yourself in UTC time. There are two offsets, a raw offset and DST offset. For example America/New_York raw offset is -18000, and DST offset is 3600, so from any UNIX timestamp you have to do the math UNIX + offset + dstOffset in order to get the New York timestamp.
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