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A Simple and Cheap but Powerful Heartbeat Fault Detector for Intranet
google cloud
October 08, 2020
What is new in Java 16 ?
java
September 07, 2020
Accuracy of GroLine pH/EC Sensor after Single Point Calibration
calibration
ec meter
ph meter
August 08, 2020
Making a high quality and modular pinhole lens
photography
June 25, 2020
Shutter Lag Measurement of Fuji X-H1 and Sony A7RII with StopShot
photography
shutter lag
May 17, 2020
Measuring the resolution of Fuji X-T2
photography
optics
May 06, 2020
Measuring Thorlabs P300D Precision Pinhole
photography
optics
May 05, 2020
Measuring Light for Indoor Plants: Using i1Studio as a PAR PPFD Meter
spectrometer
April 22, 2020
Rohde & Schwarz RTB2004
oscilloscope
March 13, 2020
Software Reaction Time: Introduction
latency
linux
raspberry pi
reaction time
March 11, 2020
Efficient Multi Language Typing on Windows
efficiency-tip
keyboard-layout
typing
windows
February 23, 2020
micro:bit (nRF51, Cortex-M0) GPIO toggling
microbit
February 19, 2020
Hello IPv6: a minimal tutorial for IPv4 users
ipv6
networking
February 13, 2020
How to install Ubuntu Linux onto PC Engines apu4d4 using PXE
linux
pxe
February 07, 2020
Godox V1 Flash Duration Measured with Sekonic L-858D
flash duration
February 04, 2020
Cardless Raspberry Pi 4: How to use a Raspberry Pi 4 without an SD card ?
raspberry pi
February 03, 2020
What is new in Java 15 ?
java
February 02, 2020
What is new in Java 14 ?
java
February 01, 2020
A Raspberry Pi Temperature Monitoring Experiment in the Fridge
raspberry pi
temperature monitoring
January 30, 2020
Latency of Raspberry Pi 4 on Standard and Real-Time Linux 4.19 Kernel
latency
linux
raspberry pi
November 17, 2019
Measuring the Color Rendering Quality and Aputure Amaran AL-F7 LED Light
color-science
November 06, 2019
What is inside a Camera Lens ?
photography
August 21, 2019
Fujifilm EF-X20 Flash Duration Measured with Sekonic L-858D
flash duration
July 18, 2019
What is new in Java 13 ?
java
June 11, 2019
How to Build the hsdis Disassembler Plugin on Ubuntu 18
java
linux
ubuntu
May 23, 2019
Bare Metal Raspberry Pi 3B+: Programming
raspberry pi
May 13, 2019
Bare Metal Raspberry Pi 3B+: JTAG
raspberry pi
March 23, 2019
Bare Metal Raspberry Pi 3B+: Network Boot
raspberry pi
March 22, 2019
A Quick Tour of GUID Partition Table (GPT)
gpt
mbr
March 04, 2019
A Minimum Complete Tutorial of DNSSEC
dnssec
February 21, 2019
What is new in Java 12 ?
java
January 29, 2019
Custom OpenJDK 12 Builds on Ubuntu 18.04
openjdk
December 19, 2018
What is new in Java 9 ? Part 2: Runtime and Internal Changes
java
December 18, 2018
A Map of IETF RFCs with d3.js
d3.js
December 17, 2018
A Short Practical Tutorial of dig, DNS and DNSSEC
dns
dig
December 13, 2018
Digging into JEP 280: Indify String Concatenation
java
December 05, 2018
JEP 285: Spin-Wait Hints in Java
java
December 04, 2018
What is new in Java 9 ? Part 1: Developer Perspective
java
December 04, 2018
Everything about Java's SecureRandom
java
random number generation
November 28, 2018
A Minimum Complete Tutorial of CPU Power Management, C-states and P-states
power management
October 16, 2018
What is new in Java 11 ?
java
June 28, 2018
Keeping Track of Personal Linux Customization with Git
May 08, 2018
Using U2F at Linux Login
linux
ubuntu
May 08, 2018
Custom OpenJDK 10 Builds on Ubuntu 16.04
openjdk
May 01, 2018
What is new in Java 10 ?
java
May 01, 2018
Efficient Multi Language Typing on Linux
linux
efficiency-tip
keyboard-layout
typing
January 15, 2018
Custom OpenJDK 9 Builds on Ubuntu 16.04
openjdk
November 21, 2017
Latency of Raspberry Pi 3 on Standard and Real-Time Linux 4.9 Kernel
latency
linux
raspberry pi
October 03, 2017
A Minimum Complete Tutorial of Linux ext4 File System
linux
ext4
August 25, 2017
A Quick Tour of NVM Express (NVMe)
nvme
August 24, 2017
A Very Short vi Session with strace
strace
August 09, 2017
Using Ubuntu 16 on HiDPI and 4K Displays
linux
ubuntu
August 07, 2017
Demystifying the JVM: JVM Variants, Cppinterpreter and TemplateInterpreter
java
jvm
January 27, 2017
Demystifying the JVM: Interpretation, JIT and AOT Compilation
java
jvm
aot
jit
January 22, 2017