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Getting error: Peer authentication failed for user “postgres”, when trying to get pgsql working with
...ermission to connect to.
Here is what I do on Debian to setup postgres:
http://www.postgresql.org/download/linux/debian/ (Wheezy 7.x)
as root …
root@www0:~# echo "deb http://apt.postgresql.org/pub/repos/apt/ wheezy-pgdg main" >> /etc/apt/sources.list
root@www0:~# wget --quiet ...
CSS: 100% font size - 100% of what?
...6px), which may not have been intended.
This can help in the explanation:
http://www.w3.org/TR/2011/REC-CSS2-20110607/syndata.html#value-def-percentage
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Get first key in a (possibly) associative array?
... seconds
array_keys to get first key: 10.059751987457 seconds
reset+key http://3v4l.org/b4DrN/perf#tabs
foreach http://3v4l.org/gRoGD/perf#tabs
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Difference between \n and \r?
...(telegram, teletype), and did not care about existing use of the standard. HTTP, HTML, PCDOS and MSDOS used the ASCII standard. Bell Telephone chose to go non-standard for unix because they had no existing business to be compatible with.
– david
Jul 26 '16 at 1...
Why does typeof NaN return 'number'?
...t a peculiarity of javascript but common computer science principle.
From http://en.wikipedia.org/wiki/NaN:
There are three kinds of operation
which return NaN:
Operations with a NaN as at least one operand
Indeterminate forms
The divisions 0/0, ∞/∞, ∞/−∞, −∞...
Greedy vs. Reluctant vs. Possessive Quantifiers
...
http://swtch.com/~rsc/regexp/regexp1.html
I'm not sure that's the best explanation on the internet, but it's reasonably well written and appropriately detailed, and I keep coming back to it. You might want to check it out.
...
Render HTML to an image
...
tempImg.src = 'data:image/svg+xml,' + encodeURIComponent('<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100"><foreignObject width="100%" height="100%"><div xmlns="http://www.w3.org/1999/xhtml"><style>em{color:red;}</style><em>I</em> lick <...
Simple explanation of MapReduce?
...y easy, quick and "for dummies" introduction to MapReduce is available at: http://www.marcolotz.com/?p=67
Posting some of it's content:
First of all, why was MapReduce originally created?
Basically Google needed a solution for making large computation jobs easily parallelizable, allowing data to be ...
How to prevent logback from outputting its own status at the start of every log when using a layout
...file, logback will automatically print status data on the console.
Follow http://logback.qos.ch/codes.html#layoutInsteadOfEncoder i.e.
the link mentioned by logback in its warning message. Once you follow the steps mentioned therein, that is, if you replace <layout> element with <encoder&...
How can I push a specific commit to a remote, and not previous commits?
...aster
to push a single commit to my remote master branch.
References:
http://blog.dennisrobinson.name/push-only-one-commit-with-git/
http://blog.dennisrobinson.name/reorder-commits-with-git/
See also:
git: Duplicate Commits After Local Rebase Followed by Pull
git: Pushing Single Commits, Re...