Find out ink remaining on HP Deskjet 9800 series

Posted on June 13, 2019 by JB

An accurate way to find out the remaining ink in the cartridges is to print off a diagnostics sheet, which will include the ink remaining in each cartridge as a percentage (listed under LEFT CHUTE/RIGHT CHUTE on the printout).

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PHP RFC3339 date for Google Calendar API

Posted on December 9, 2014 by JB 
$date = new DateTime();
echo $date->format(DATE_RFC3339);
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PHP Find end of the month/last day of month

Posted on August 28, 2014 by JB 
<?php echo date("t-m-Y"); ?>

The ‘t’ option of date returns the number of days in the month.

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Windows XP fix firewall that cannot be displayed

Posted on August 10, 2014 by JB

Error message:

“Windows firewall settings can not be displayed because the associated service is not running. Do you want to start windows firewall/internet connection sharing service?”

Issues with a corrupted firewall can sometimes be fixed by rebuilding the Windows Management Instrumentation (WMI).

On Windows XP (at least SP2), open cmd and type:

rundll32 wbemupgd, UpgradeRepository

More info here:
http://smallvoid.com/article/winnt-wmi-config.html 

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Pi – Convert Raw H264 Video Data To MP4

Posted on July 30, 2014 by JB 
sudo apt-get update
sudo apt-get install -y gpac
MP4Box -fps 30 -add myvid.h264 myvid.mp4
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Raspberry Pi – Install FTP

Posted on July 23, 2014 by JB

Install FTP client:
sudo apt-get install ftp

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Set time zone Raspberry Pi

Posted on July 18, 2014 by JB 
sudo dpkg-reconfigure tzdata
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Unbrick Netgear Router

Posted on June 24, 2014 by JB

http://kb.netgear.com/app/answers/detail/a_id/18989/kw/wndr4500%20corrupted%20firmware%20recovery%20tool%20lost%20cd

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HTTP Compression

Posted on June 2, 2014 by JB

Test if a site has compression enabled:

http://www.whatsmyip.org/http-compression-test/

Enable compression by adding the following line to .htaccess:

AddOutputFilterByType DEFLATE text/html text/css text/plain text/xml application/x-javascript

 

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RTM

Posted on May 19, 2014 by JB

Optimum Time Sailing Watch (OS Series 1):
To set the time: press MODE to display the time, hold down CLEAR for two seconds. Press the PROG key to change the hour. (To change from 12 to 24 hour mode  press START/STOP). Once hour is correct, press MODE to set minutes, then press MODE again to set month. Press CLEAR to exit/finalise.

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