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What does “opt” mean (as in the “opt” directory)? Is it an abbreviation? [closed]
... - It is a historical holdover ... from the days when UNIX was a couple of orders of magnitude smaller (4.1bsd came on a single 1600bpi tape) and didn't have a package manager, package repositories, security updates, etc.
– Stephen C
Oct 22 '16 at 2:15
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PostgreSQL: Modify OWNER on all tables simultaneously in PostgreSQL
...ROM pg_tables WHERE NOT schemaname IN ('pg_catalog', 'information_schema')
ORDER BY schemaname, tablename;
Sequences
SELECT 'ALTER SEQUENCE '|| sequence_schema || '.' || sequence_name ||' OWNER TO my_new_owner;'
FROM information_schema.sequences WHERE NOT sequence_schema IN ('pg_catalog', 'inform...
Make .git directory web inaccessible
...e a .htaccess file in the .git folder and put the following in this file:
Order allow,deny
Deny from all
But note, that it would be lost if you ever re-cloned the repository
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In MySQL what does “Overhead” mean, what is bad about it, and how to fix it?
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Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity.
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load and execute order of scripts
... scripts or marking them as defer or async, then scripts are loaded in the order encountered in the page. It doesn't matter whether it's an external script or an inline script - they are executed in the order they are encountered in the page. Inline scripts that come after external scripts are hel...
SQL Server loop - how do I loop through a set of records
...ble)
begin
select top 1 @TableID = TableID
from #ControlTable
order by TableID asc
-- Do something with your TableID
delete #ControlTable
where TableID = @TableID
end
drop table #ControlTable
sh...
What is the difference between Numpy's array() and asarray() functions?
...ut will be returned uncopied iff it's a compatible ndarray in contiguous C order (copy=False, order='C').
asfortranarray: The input will be returned uncopied iff it's a compatible ndarray in contiguous Fortran order (copy=False, order='F').
require: The input will be returned uncopied iff it's compa...
How to get the primary IP address of the local machine on Linux and OS X? [closed]
...(according to the documentation) one cannot make any assumptions about the order of the addresses. So it may well be some internal network (like the network on which virtual machines are living). The other method seems good.
– Adam Ryczkowski
Sep 23 '14 at 23:2...
How to check if two arrays are equal with JavaScript? [duplicate]
...if (a.length !== b.length) return false;
// If you don't care about the order of the elements inside
// the array, you should sort both arrays here.
// Please note that calling sort on an array will modify that array.
// you might want to clone your array first.
for (var i = 0; i < a....
What are the typical reasons Javascript developed on Firefox fails on IE? [closed]
...nt.scrollTop ||
window.pageYOffset || 0;
return [x, y];
};
In order to get the position of the mouse cursor, evt.clientX and evt.clientY in mousemove events will give the position relative to the document without adding the scroll position so the previous function will need to be incorp...