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Macbook Air – No camera detected
If you have this problem then often the fix is to run sudo killall VDCAssistant After this your camera should show up in the System Information and be available to applications such as FaceTime
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DHCP Failing – Error 5: Access is denied starting Diagnostics Policy Service
If the DHCP stops working on your machine, this might be due to the Diagnostics Policy Service not running. If you try and start it manually you get the following error “Error 5: Access is denied ” To fix this is simple if you know how. Run the following command from an elevated command prompt […]
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Windows 7 – Windows Update error 8007000D
The following fixed this for me 8007000D – Error_invalid_data. Corruption in the SoftwareDistribution folder. Please rename %windir%/Softwaredistribution folder. To rename the Windows Update temporary SoftwareDistribution directory follow these steps: 1. Start an administrative command prompt. 2. Run the following commands hitting enter after each line: Net stop wuauserv cd %systemroot% Ren SoftwareDistribution SoftwareDistribution.old Net start […]
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Great service from Head2Heel Reflexology
Have a great reflexology session today. Very relaxing in a nice and chilled environment and best of all it was free as part of the therapists training If you fancy a session then take a look at Head2Heel
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Hendy Bodyshop – How many attempts does it take??
We had the unfortunate to need to have our virtually new Mazda 3 repaired after an accident in which it sustained some quite bad damage When we got the car we were told all about the Mazda Accident Aftercare and so thought this would be the time to put it into action. Our insurer wanted […]
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Mosquitto 1.0 python changes
Looks like there have been some changes to the Mosquitto v1.0.1 python libraries. So far only hit the one but it was quite a major one. The connect method has been changed. If you try and run your code you will get Traceback (most recent call last): File “test.py”, line 13, in <module> mqttc.connect(broker, port, […]
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Installing Mosquitto 1.0.1 in Raspbian on Raspberry Pi
Mosquito have just released their 1.0 release..well actually its already 1.01 🙂 Currently the Raspbian repositories don’t seem to have it but its nice and easy to get working wget http://mosquitto.org/files/source/mosquitto-1.0.1.tar.gz tar -zxvf mosquitto-1.0.1.tar.gz cd mosquitto-1.0.1 make sudo make install sudo ldconfig Jobs a goodun. It can be checked by running “moqsuitto -v”. If you […]
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Using node.js WebSockets to get live MQTT updates
To keep some of my pages up to date with the live sensor data I am using websockets to get MQTT publications. On the server there are two parts. A Python script which is monitoring a serial port for data and then publishing it accordingly. Information about this can be found at  XRF Temperature Sensor -> […]
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Heating Control System – Hardware/Software Configuration
Below is a little diagram showing some of the components of my heating Control System. This is mainly based around the monitoring side. Soon I will be adding the XRF Relay board which will be used to control the central heating.