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Notes on selecting and using a QNAP NAS at home
January 05, 2022
What is new in Java 18 ?
November 20, 2021
How a NIC receives a packet: PC Engines apu4d4 Packet-per-Second Throughput
July 25, 2021
Install and Configure DPDK on PC Engines apu4d4
July 19, 2021
Upgrading the Home Network to 10G
July 05, 2021
Tektronix SD-24 TDR/Sampling Head Teardown
April 15, 2021
What is new in Java 17 ?
March 21, 2021
Z0 Probe
December 23, 2020
STM32H7 (Cortex-M7) GPIO toggling
December 07, 2020
Demystifying a very simple TrustZone enabled program on ARM Cortex-M33
November 02, 2020
A Simple and Cheap but Powerful Heartbeat Fault Detector for Intranet
October 08, 2020
What is new in Java 16 ?
September 07, 2020
Accuracy of GroLine pH/EC Sensor after Single Point Calibration
August 08, 2020
Making a high quality and modular pinhole lens
June 25, 2020
Shutter Lag Measurement of Fuji X-H1 and Sony A7RII with StopShot
May 17, 2020
Measuring the resolution of Fuji X-T2
May 06, 2020
Measuring Thorlabs P300D Precision Pinhole
May 05, 2020
Measuring Light for Indoor Plants: Using i1Studio as a PAR PPFD Meter
April 22, 2020
Rohde & Schwarz RTB2004
March 13, 2020
Software Reaction Time: Introduction
March 11, 2020
Efficient Multi Language Typing on Windows
February 23, 2020
micro:bit (nRF51, Cortex-M0) GPIO toggling
February 19, 2020
Hello IPv6: a minimal tutorial for IPv4 users
February 13, 2020
How to install Ubuntu Linux onto PC Engines apu4d4 using PXE
February 07, 2020
Godox V1 Flash Duration Measured with Sekonic L-858D
February 04, 2020
Cardless Raspberry Pi 4: How to use a Raspberry Pi 4 without an SD card ?
February 03, 2020
What is new in Java 15 ?
February 02, 2020
What is new in Java 14 ?
February 01, 2020
A Raspberry Pi Temperature Monitoring Experiment in the Fridge
January 30, 2020
Latency of Raspberry Pi 4 on Standard and Real-Time Linux 4.19 Kernel
November 17, 2019
Measuring the Color Rendering Quality and Aputure Amaran AL-F7 LED Light
November 06, 2019
What is inside a Camera Lens ?
August 21, 2019
Fujifilm EF-X20 Flash Duration Measured with Sekonic L-858D
July 18, 2019
What is new in Java 13 ?
June 11, 2019
How to Build the hsdis Disassembler Plugin on Ubuntu 18
May 23, 2019
Bare Metal Raspberry Pi 3B+: Programming
May 13, 2019
Bare Metal Raspberry Pi 3B+: JTAG
March 23, 2019
Bare Metal Raspberry Pi 3B+: Network Boot
March 22, 2019
A Quick Tour of GUID Partition Table (GPT)
March 04, 2019
A Minimum Complete Tutorial of DNSSEC
February 21, 2019
What is new in Java 12 ?
January 29, 2019
Custom OpenJDK 12 Builds on Ubuntu 18.04
December 19, 2018
What is new in Java 9 ? Part 2: Runtime and Internal Changes
December 18, 2018
A Map of IETF RFCs with d3.js
December 17, 2018
A Short Practical Tutorial of dig, DNS and DNSSEC
December 13, 2018
Digging into JEP 280: Indify String Concatenation
December 05, 2018
JEP 285: Spin-Wait Hints in Java
December 04, 2018
What is new in Java 9 ? Part 1: Developer Perspective
December 04, 2018
Everything about Java's SecureRandom
November 28, 2018
A Minimum Complete Tutorial of CPU Power Management, C-states and P-states
October 16, 2018
What is new in Java 11 ?
June 28, 2018
Keeping Track of Personal Linux Customization with Git
May 08, 2018
Using U2F at Linux Login
May 08, 2018
Custom OpenJDK 10 Builds on Ubuntu 16.04
May 01, 2018
What is new in Java 10 ?
May 01, 2018
Efficient Multi Language Typing on Linux
January 15, 2018
Custom OpenJDK 9 Builds on Ubuntu 16.04
November 21, 2017
Latency of Raspberry Pi 3 on Standard and Real-Time Linux 4.9 Kernel
October 03, 2017
A Minimum Complete Tutorial of Linux ext4 File System
August 25, 2017
A Quick Tour of NVM Express (NVMe)
August 24, 2017
A Very Short vi Session with strace
August 09, 2017
Using Ubuntu 16 on HiDPI and 4K Displays
August 07, 2017
Demystifying the JVM: JVM Variants, Cppinterpreter and TemplateInterpreter
January 27, 2017
Demystifying the JVM: Interpretation, JIT and AOT Compilation
January 22, 2017