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psql: FATAL: Ident authentication failed for user “postgres”
I have installed PostgreSQL and pgAdminIII on my Ubuntu Karmic box.
23 Answers
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Xcode duplicate/delete line
...should work. Tested on XCode 3.2 on Snow Leopard.
More information on Mac OS X key bindings: http://funkworks.blogspot.it/2013/03/republishing-of-wwwerasetotheleftcompos.html
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What is the most effective way for float and double comparison?
What would be the most efficient way to compare two double or two float values?
31 Answers
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Setting the correct encoding when piping stdout in Python
... answered Jan 29 '09 at 18:03
nosklonosklo
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When is a CDATA section necessary within a script tag?
...answered Sep 20 '09 at 9:05
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How to update a plot in matplotlib?
... the function as an argument to another like this: "plot_cont(my_function, 123)". There you have me calling plot_cont at line 86: github.com/vitobasso/audio-ml/blob/…
– Vituel
Mar 31 '15 at 1:03
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What's the best way to detect a 'touch screen' device using JavaScript?
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As Modernizr doesn't detect IE10 on Windows Phone 8/WinRT, a simple, cross-browser solution is...
What is the difference between 'my' and 'our' in Perl?
...ariables. You can see that in the following program: package Foo; our $x = 123; package Bar; say $x;. If you want to "declare" a package variable, you need to use use vars qw( $x );. our $x; declares a lexically-scoped variable that is aliased to the same-named variable in the package in which the o...
Allowed characters in Linux environment variable names
...ames shall not contain
the character '='. For values to be
portable across systems conforming to
IEEE Std 1003.1-2001, the value shall
be composed of characters from the
portable character set (except NUL
and as indicated below).
So names may contain any character except = and NUL, but...
Quickly create a large file on a Linux system
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dd from the other answers is a good solution, but it is slow for this purpose. In Linux (and other POSIX systems), we have fallocate, which uses the desired space without having to actually writing to it, works with most modern disk based file systems, very fast:
For example:
fallocate -l 10G gen...