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How to add an auto-incrementing primary key to an existing table, in PostgreSQL?
...TER TABLE test1 ADD COLUMN id INTEGER;
CREATE SEQUENCE test_id_seq OWNED BY test1.id;
ALTER TABLE test ALTER COLUMN id SET DEFAULT nextval('test_id_seq');
UPDATE test1 SET id = nextval('test_id_seq');
Again, in recent versions of Postgres this is roughly equivalent to the single command abov...
What is “String args[]”? parameter in main method Java
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@Daniel, Is args guaranteed to be separated by space regardless of OS?
– Pacerier
Jun 17 '14 at 21:08
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MySql: Tinyint (2) vs tinyint(1) - what is the difference?
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@realtebo it's mainly used by the mysql command line client for display purposes.
– Ja͢ck
Oct 12 '12 at 23:25
3
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How can I add or update a query string parameter?
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Limit separator variable scoping to local function by adding var just before separator declaration.
– Andrea Salicetti
Dec 11 '12 at 10:56
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How can I push to my fork from a clone of the original repo?
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By default, when you clone a repository
that resides at https://github.com/original/orirepo.git,
whose current branch is called master,
then
the local config of the resulting clone lists only one remote called origin, w...
Notepad++ htmltidy - unable to find libtidy.dll
...@Rory - I have version 5.9.6.2 (UNICODE) but when I try what you suggested by downloading 5.9 and then copying the config folder into the plugins folder it does not seem to work. Has something else changed?
– chobo2
Apr 13 '12 at 18:04
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tmux: How to join two tmux windows into one, as panes?
...her, not to move window. join-pane -s 2 -t 1 does not put two windows side by side, but two panes instead. It's just that the windows happen to have only one pane each. If you have two windows both of which have multiple panes, to put two of panes, say they are pane 0.0 and 1.0, side by side, you ca...
What is the difference between SIGSTOP and SIGTSTP?
...GTSTP (for signal - terminal stop) may also be sent through the tty driver by a user typing on a keyboard, usually Control-Z.
SIGSTOP cannot be ignored. SIGTSTP might be.
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Is it possible to read from a InputStream with a timeout?
...ve found the opposite - it always returns the best value for the number of bytes available. Javadoc for InputStream.available():
Returns an estimate of the number of bytes that can be read (or skipped over)
from this input stream without blocking by the next invocation of a method for
this input...
How connect Postgres to localhost server using pgAdmin on Ubuntu?
....x/main/pg_hba.conf
and change this line:
Database administrative login by Unix domain socket
local all postgres md5
to
Database administrative login by Unix domain socket
local all postgres trust
Rest...