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add column to mysql table if it does not exist
... for 1060 begin end;
alter table atable add subscriber_surname varchar(64);
end;;
call foo();;
I think its neater this way than with an exists subquery. Especially if you have a lot of columns to add, and you want to run the script several times.
more info on continue handlers can be found at...
Checking if a variable is an integer
...er! ????
– siwalikm
Jul 3 '18 at 14:46
Awesome, i prefer this than Integer('123fh') and rescue exception.
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Can I use break to exit multiple nested 'for' loops?
...urn.
– Pavel Minaev
Aug 11 '09 at 0:46
6
@Pavel: break and return have the advantage over goto th...
Fastest way to flatten / un-flatten nested JSON objects
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28
I wrote two functions to flatten and unflatten a JSON object.
Flatten a JSON object:
var fl...
How to enable MySQL Query Log?
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answered Feb 16 '14 at 13:46
LaykeLayke
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JavaScript: replace last occurrence of text in a string
... suffice.
– Slight
Jun 20 '16 at 16:46
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How can I selectively escape percent (%) in Python strings?
...yNolen Royalty
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How and when to use ‘async’ and ‘await’
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Dan DinuDan Dinu
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Testing for empty or nil-value string [duplicate]
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edited Nov 27 '19 at 9:46
Iulian Onofrei
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answ...
Unit testing that events are raised in C# (in order)
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edited Oct 13 '18 at 4:46
E. Earl
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answered Apr 23 '10 at 13:04
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