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postgresql - add boolean column to table set default
...e standard types and SQL keywords in uppercase, I do use lowercase for all my own identifiers.
– Eelke
Nov 11 '18 at 9:34
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Use images instead of radio buttons
... have multiple rows on one form, each with their own set of smiley faces. My problem is that when one row is changed, they all change. Any ideas what part needs to be modified to accomplish this?
– dave317
Nov 27 '18 at 20:41
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PostgreSQL: Can you create an index in the CREATE TABLE definition?
...DEX idx_tab_b, -- index on column
d VARCHAR(20) NOT NULL,
INDEX my_index NONCLUSTERED(d) -- index on column as separate entry
);
db<>fiddle demo
The rationale behind introducing them is quite interesting What are Inline Indexes? by Phil Factor
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How to copy from current position to the end of line in vi
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Is there anyway to swap g_ and $? I find myself rarely if ever needing to include the line break in motions.
– Jonathan Dumaine
Aug 19 '13 at 5:20
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Take the content of a list and append it to another list
....extend() accepts an arbitrary iterable, you can also replace
for line in mylog:
list1.append(line)
by
list1.extend(mylog)
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Python Requests library redirect new url
... edited Jun 11 at 19:34
tommy.carstensen
6,36399 gold badges5353 silver badges8383 bronze badges
answered Dec 9 '13 at 16:35
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Is List a subclass of List? Why are Java generics not implicitly polymorphic?
...t comparisons to arrays even more confusing, this answer nailed it for me. My problem was the language intuition.
– FLonLon
Feb 24 '19 at 19:49
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How to empty/destroy a session in rails?
...ion
end
( Dont know why no one above just mention this code
as it fixed my problem )
http://apidock.com/rails/ActionController/RackDelegation/reset_session
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mysql_fetch_array()/mysql_fetch_assoc()/mysql_fetch_row()/mysql_num_rows etc… expects parameter 1 to
I am trying to select data from a MySQL table, but I get one of the following error messages:
31 Answers
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Crontab Day of the Week syntax
...ta check for typos or extra spaces. I have both a "Mon-Fri" and a "Thu" in my crontab on Ubuntu 14.04.3 and both work just fine. I suspect if there's a space between any of the characters, you'd end up with an error.
– Dale Anderson
Feb 4 '16 at 18:15
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