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Append integer to beginning of list in Python [duplicate]
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>>>var=7
>>>array = [1,2,3,4,5,6]
>>>array.insert(0,var)
>>>array
[7, 1, 2, 3, 4, 5, 6]
How it works:
array.insert(index, value)
Insert an item at a given position. The first argument is the index of the element before which t...
Why can't decimal numbers be represented exactly in binary?
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20 Answers
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sed edit file in place
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edited Jun 10 '18 at 12:23
Iulian Onofrei
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an...
How do I convert an HttpRequestBase into an HttpRequest object?
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edited Sep 21 '09 at 1:54
answered Sep 21 '09 at 1:44
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Sequence contains no elements?
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answered Aug 24 '09 at 19:23
Ryan LundyRyan Lundy
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How to concatenate strings of a string field in a PostgreSQL 'group by' query?
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PostgreSQL 9.0 or later:
Recent versions of Postgres (since late 2010) have the string_agg(expression, delimiter) function which will do exactly what the question asked for, even letting you specify the delimiter string:
SELECT company_id, string_agg(employee, ', ')
FROM mytable
GROUP BY ...
Server.UrlEncode vs. HttpUtility.UrlEncode
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answered Mar 2 '09 at 15:03
Mehrdad AfshariMehrdad Afshari
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Why does Environment.Exit() not terminate the program any more?
...pdate delivered through Windows Update solved the problem. The noticeable 2 second delay before the crash is no longer present, strongly suggesting that the IsWindow() deadlock got solved. And the program shuts down cleanly and reliably. The update installed patches for Windows Defender, wdboot.s...
How to find a min/max with Ruby
... so anything that includes Enumerable will have those methods available.
v2.4 introduces own Array#min and Array#max, which are way faster than Enumerable's methods because they skip calling #each.
@nicholasklick mentions another option, Enumerable#minmax, but this time returning an array of [min,...
onCreateOptionsMenu inside Fragments
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edited Jun 29 '15 at 21:17
Michael
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