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Guy Thouret
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How Big is 'At Scale'?
I see the term 'at scale' being used a lot on tech/engineering blogs - "You need to do it like  this  when you run your app at scale ", "We had to do this to make it work at scale " etc etc. But what exactly determines that I am doing something at scale? Ho...
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Apple Magic Keyboard 2 on Linux
Annoyingly, the Apple Magic Keyboard 2 is only recognised as a generic Bluetooth hid keyboard so the Fn and shortcut keys don't work correctly (using hid-generic kernel module). I've started work on a set of patches for the hid-apple kernel module to add su...
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External USB Audio on Raspberry Pi 3
The rpi3 could see the USB audio device but not be able to enable it. The following errors were observed in dmesg: [    4.214503] snd_bcm2835: unknown parameter 'index' ignored [    4.470103] snd-usb-audio 1-1.2:1.0: cannot find the slot for index 0 (range ...
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Bash Completion on OS X
Working with the terminal in OS X for the first time I realised I was missing tab completion for common terminal tasks.  After a bit of searching I found the bash-completion package is available to install from brew.  Just use: brew install bash-completion
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No SIM card - Emergency calls only
I got a Motorola Google Nexus 6 phone which takes a nano SIM card.  I cut down my existing SIM as far as I could and it worked in the Nexus but the SIM tray wouldn't shut properly so I ordered a brand new nano SIM. When the nano SIM came I could not get it ...
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Best description so far of Google Cast API
Thinking of developing a Google Cast Receiver outside of the official Android SDK? Take a look at this documentation
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U-boot fails to load env from I2C eeprom if SPI is enabled
U-boot failed to load environment from an I2C eeprom with the following errors: U-Boot SPL 2015.10-00002-gfedeb03-dirty (Mar 08 2016 - 13:05:30) reading args spl_load_image_fat_os: error reading image args, err - -1 reading u-boot.img reading u-boot.img U-B...
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mysqld crashes with trap divide error
I started getting alerts last night from applications being unable to connect to a mysql server.  I checked the logs and kept seeing the following being repeated every minute: Jul  2 08:52:56 mysqlcluster1 /etc/mysql/debian-start[5569]: Upgrading MySQL tabl...
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Freescale i.MX21 and Cirrus Logic cs8900a Patches for Linux Kernel 3.7
A bit of work I did 3 years ago to provide board support for the i.MX2 based ASD01 WEMS programmer.  Hopefully someone can make use of this patch for their own project. ASD01 Kernel Patches
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