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Python loop that also accesses previous and next values
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edited Apr 27 '16 at 13:32
Trang Oul
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answered Jun 18 '09 at 10:28
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Is PHP compiled or interpreted?
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edited Jul 15 '19 at 17:03
NelsonGon
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answered O...
apc vs eaccelerator vs xcache
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answered May 31 '09 at 0:28
David Snabel-CauntDavid Snabel-Caunt
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Change a column type from Date to DateTime during ROR migration
...ge_date_format_in_my_table
Then in your migration file:
For Rails >= 3.2:
class ChangeDateFormatInMyTable < ActiveRecord::Migration
def up
change_column :my_table, :my_column, :datetime
end
def down
change_column :my_table, :my_column, :date
end
end
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How can I convert this foreach code to Parallel.ForEach?
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edited Jul 26 '13 at 9:06
Contango
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Stripping everything but alphanumeric chars from a string in Python
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347
I just timed some functions out of curiosity. In these tests I'm removing non-alphanumeric ch...
FIND_IN_SET() vs IN()
... to the first non-digit (a comma in your case).
Thus,
companyID IN ('1,2,3') ≡ companyID IN (CAST('1,2,3' AS INT)) ≡ companyID IN (1)
In PostgreSQL, you could cast the string into array (or store it as an array in the first place):
SELECT name
FROM orders
JOIN company
ON company...
How can I read a function's signature including default argument values?
...h',))
However, note that inspect.getargspec() is deprecated since Python 3.0.
Python 3.0--3.4 recommends inspect.getfullargspec().
Python 3.5+ recommends inspect.signature().
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How can I initialise a static Map?
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edited Apr 11 '19 at 13:48
community wiki
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