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Using unset vs. setting a variable to empty
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edited Jan 21 '18 at 19:48
answered Sep 4 '12 at 12:54
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Oracle: If Table Exists
...P INDEX ' || index_name;
EXCEPTION
WHEN OTHERS THEN
IF SQLCODE != -1418 THEN
RAISE;
END IF;
END;
Column
BEGIN
EXECUTE IMMEDIATE 'ALTER TABLE ' || table_name
|| ' DROP COLUMN ' || column_name;
EXCEPTION
WHEN OTHERS THEN
IF SQLCODE != -904 AND SQLCODE != -942...
Does R have an assert statement as in python?
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edited Aug 6 '18 at 18:54
cbare
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answ...
Select element based on multiple classes
...ture. ☺
– Michael Scheper
Jun 28 '18 at 0:42
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show 1 more comment
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How to detect a loop in a linked list?
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answered Apr 18 '10 at 17:18
codaddictcodaddict
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SQL - The conversion of a varchar data type to a datetime data type resulted in an out-of-range valu
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edited Jun 18 '19 at 8:03
jg2703
15522 silver badges1616 bronze badges
answered Dec 30 '1...
Bootstrap Dropdown menu is not working
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18 Answers
18
Active
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What does the “@” symbol mean in reference to lists in Haskell?
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180
Yes, it's just syntactic sugar, with @ read aloud as "as". ps@(p:pt) gives you names for
th...
Hibernate throws MultipleBagFetchException - cannot simultaneously fetch multiple bags
...e EAGERs?
– AR3Y35
Jun 17 '12 at 11:18
6
the thing is, hibernate can't fetch the two collections ...
How to create a tuple with only one element
...le option here.
– Ben Farmer
May 2 '18 at 10:34
3
@Ben Have a look at the docs. tuple accepts a...