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Getting the encoding of a Postgres database
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From the command line:
psql my_database -c 'SHOW SERVER_ENCODING'
From within psql, an SQ...
How to determine a user's IP address in node
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What does -save-dev mean in npm install grunt --save-dev
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edited Apr 5 '19 at 9:35
Rob
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answered Oct 7 '13 at...
Diff files present in two different directories
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You can use the diff command for that:
diff -bur folder1/ folder2/
This will output a recursive diff that ignore spaces, with a unified context:
b flag means ignoring whitespace
u flag means a unified context (3 lines before and after)
r flag means recursive
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What does java:comp/env/ do?
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Quoting https://web.archive.org/web/20140227201242/http://v1.dione.zcu.cz/java/docs/jndi-1.2/t...
Find the host name and port using PSQL commands
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JavaScript data grid for millions of rows [closed]
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How to truncate string using SQL server
i have large string in SQL Server. I want to truncate that string to 10 or 15 character
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How to rename a single column in a data.frame?
I know if I have a data frame with more than 1 column, I can use
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