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Run R script from command line
...:
R -e 'install.packages(c("package1", "package2"), lib="/usr/local/lib/R/site-library")'
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Make absolute positioned div expand parent div height
...w, I want child2 to position itself before child1 . This is because the site I'm currently developing should also work on mobile devices, on which the child2 should be at the bottom, as it contains the navigation which I want below the content on the mobile devices. - Why not 2 masterpages? Thi...
How to check if a string contains a substring in Bash
... @bukzor Quotes stopped working here as of Bash 3.2+: tiswww.case.edu/php/chet/bash/FAQ E14). It's probably best to assign to a variable (using quotes), then compare. Like this: re="My s"; if [[ $string =~ $re ]]
– seanf
May 12 '15 at 0:55
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PostgreSQL: Modify OWNER on all tables simultaneously in PostgreSQL
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This: http://archives.postgresql.org/pgsql-bugs/2007-10/msg00234.php is also a nice and fast solution, and works for multiple schemas in one database:
Tables
SELECT 'ALTER TABLE '|| schemaname || '.' || tablename ||' OWNER TO my_new_owner;'
FROM pg_tables WHERE NOT schemaname IN ('pg_cat...
Bootstrap 3 and Youtube in Modal
...;
</html>
visit (link broken): https://parrot-tutorial.com/run_code.php?snippet=bs4_modal_youtube
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How to find the mime type of a file in python?
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rpm -qf /usr/lib/python2.7/site-packages/magic.py -i URL : darwinsys.com/file Summary : Python bindings for the libmagic API rpm -qf /usr/bin/file -i Name : file URL : darwinsys.com/file python-magic ...
MSysGit vs. Git for Windows
...." msysgit.github.io now hosts "Git for Windows" and the main git download site git-scm.com lists msysgit.github.io as the maintained build for windows.
From the updated wiki:
... we decided to just phase out the name "msysGit" (as well as the GitHub org of the same name) and work on Git for W...
Facebook Android Generate Key Hash
...e required SHA1 Key
Then goto
http://tomeko.net/online_tools/hex_to_base64.php
and paste your sha1 key
and finally you will get Required HashKey which you can use it to apply on facebook.
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How do I determine if a port is open on a Windows server? [closed]
I'm trying to install a site under an alternative port on a server, but the port may be closed by a firewall. Is there a way to ping out or in, on a specific port, to see if it is open?
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psql: FATAL: role “postgres” does not exist
...I.
By default user postgres will not have any login password.
Check this site for more articles like this: https://medium.com/@Nithanaroy/installing-postgres-on-mac-18f017c5d3f7
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