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Update multiple rows in same query using PostgreSQL
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+50
You can also use update ... from syntax and use a mapping table. If you want to update more than one column, it's much more generaliza...
What is sys.maxint in Python 3?
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180
The sys.maxint constant was removed, since there is no longer a limit
to the value of integ...
return query based on date
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440
You probably want to make a range query, for example, all items created after a given date:
db....
Converting an integer to a hexadecimal string in Ruby
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You can give to_s a base other than 10:
10.to_s(16) #=> "a"
Note that in ruby 2.4 FixNum and BigNum were unified in the Integer class.
If you are using an older ruby check the documentation of FixNum#to_s and BigNum#to_s
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How to make the 'cut' command treat same sequental delimiters as one?
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edited Apr 23 '18 at 23:03
Austin Adams
6,45533 gold badges2020 silver badges2727 bronze badges
answer...
What do all of Scala's symbolic operators mean?
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530
I divide the operators, for the purpose of teaching, into four categories:
Keywords/reserved s...
Why does the C++ map type argument require an empty constructor when using []?
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edited Jul 8 '16 at 0:30
answered Mar 30 '09 at 0:01
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Why do Lua arrays(tables) start at 1 instead of 0?
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Although I too found them weird at the beginning, I have learned to love 0-based arrays. But I get by OK with Lua's 1-based arrays, especially by
using Lua's generic for loop and the ipairs operator—I can usually avoid worrying about just how arrays are indexed.
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How can I truncate a datetime in SQL Server?
...e a datetime value (as to remove hours minutes and seconds) in SQL Server 2008?
13 Answers
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Enable remote MySQL connection: ERROR 1045 (28000): Access denied for user
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answered Oct 11 '12 at 17:02
OctavioOctavio
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