Clarence's Wicked Mind

I was playing around with Elasticsearch and tried to load some data into it.  One way to do it is write a script to parse the JSON file and...

Inspired by JustArchi's optimizations on compiling the Cyanogenmod code, I set out to compile an optimized ROM for my dated Asus TF300...

Linux kernel supports seccomp since 2.6.12.  The ARM support was added in 2012 . However, the current Elasticsearch source only supports...

Updates Oct 2016:  The latest Nvidia driver should support kernel 4.6.x, 4.7.x, and 4.8.x.  There is no need to use this patch anymore. Up...

In the previous post , a shell script was used to read periodically on a GPIO pin for input.  That could be inefficient and in the worst cas...

By default, the PWb button on UDOO is for waking up the board after a proper shutdown (use the reset button instead).  It cannot be used to...

This is a quick start guide of setting up a node.js testing environment for U2F .  For details, please refer to the github page of u2f-sampl...

Just put together a quick hack of node.js server to demonstrate the FIDO Universal 2nd Factor authentication . Full source code at git...

Just a quick note.  When googling how to set static IP with connman, many solutions incorrectly stated to edit the settings file under /var...

Here is a quick note on how to remove those invalid SIDs / unknown account on Windows file system  ACL (e.g. after moving files from one dom...