Blog Archive

Wednesday, June 24, 2015

How do I grant sudo privileges to an existing user? - Ask Ubuntu

How do I grant sudo privileges to an existing user? - Ask Ubuntu:





sudo usermod -a -G sudo UserInQuestion
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Normalising audio with sox : Learnosity Blog

Normalising audio with sox : Learnosity Blog:



  --norm[=dB-level]

              Automatically invoke the gain effect to guard against clipping and to normalise the audio. E.g.

                 sox --norm infile -b 16 outfile rate 44100 dither -s

              is shorthand for

                 sox infile -b 16 outfile gain -h rate 44100 gain -nh dither -s

              Optionally, the audio can be normalized to a given level (usually) below 0 dBFS:

                 sox --norm=-3 infile outfile



              See also -V, -G, and the gain effect.



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Tuesday, June 23, 2015

replace in mulitple files

perl -p -i.bak -w -e 's|OldPattern|NewPattern|g' SomeFile*
This will replace all the
OldPattern
with
NewPattern

in all the SomeFile*


Monday, June 1, 2015

A quick tutorial of Back Propagation Algorithm

PDF:

https://dl.dropboxusercontent.com/u/7412214/BackPropagation.pdf



Video:

https://www.youtube.com/watch?v=aVId8KMsdUU


https://www4.rgu.ac.uk/files/chapter3%20-%20bp.pdf
http://ufldl.stanford.edu/wiki/index.php/Backpropagation_Algorithm

http://www.cnblogs.com/tornadomeet/category/361811.html

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Top 10 Classic Chinese Love Poems

Top 10 Classic Chinese Love Poems:



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