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Clear a terminal screen for real
...== ESC
So this becomes <ESC>c which is the VT100 escape code for resetting the terminal. Here is some more information on terminal escape codes.
Edit
Here are a few other ways of doing it...
printf "\ec" #\e is ESC in bash
echo -en "\ec" #thanks @Jonathon Reinhart.
# -e Enable interpre...
How to test which port MySQL is running on and whether it can be connected to?
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I am trying to set it up using Ruby on Rails via the database.yml file. But I just needed the port number really.
– GeekedOut
May 3 '11 at 15:50
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Insert the carriage return character in vim
...ll convert it to the end of line character appropriate for your fileformat setting. ie enter :s/.../\^V^M/g.
– DerfK
Mar 9 '11 at 23:17
6
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express throws error as `body-parser deprecated undefined extended`
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You have to explicitly set extended for bodyParser.urlencoded() since the default value is going to change in the next major version of body-parser. Example:
app.use(bodyParser.urlencoded({ extended: true }));
Since express 4.16.0, you can also ...
Getting request payload from POST request in Java servlet
...oding as request.getReader() does. So this example uses default system charset.
– Vadzim
Apr 28 '14 at 16:26
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Postgres: clear entire database before re-creating / re-populating from bash script
...… (see here for other stuff I might have missed)
roles or other security settings
composite types
toast tables
FDW and foreign tables
This is really useful for the cases when the dump you want to restore is of a different database schema version (e.g. with Debian dbconfig-common, Flyway or Liqui...
How to implode array with key and value without foreach in PHP
Without foreach ,
how can I turn an array like this
11 Answers
11
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How to print third column to last column?
I'm trying to remove the first two columns (of which I'm not interested in) from a DbgView log file. I can't seem to find an example that prints from column 3 onwards until the end of the line. Note that each line has variable number of columns.
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ORA-12505, TNS:listener does not currently know of SID given in connect descriptor
...sword
sqlplus / as sysdba
(Replace system-password with the password you set for the SYS and SYSTEM users during the Oracle XE installation.)
The first of these three connect via the TNS listener, but the second two connect directly to the database without going via the listener, and only work if...
How to make button look like a link?
...ogical-height: 1em; /* Chrome ignores auto, so we have to use this hack to set the correct height */
-webkit-logical-width: auto; /* Chrome ignores auto, but here for completeness */
}
/* Mozilla uses a pseudo-element to show focus on buttons, */
/* but anchors are highlighted via the focus pseu...