[Story] Janitor’s Key Box III – Reincarnation
Previously… I have been working with Moses’ big sister, Miriam, for a long time. She is one of the wisest creatures I have ever known or at least time patrollers I have ever known. I couldn’t see her for a while since her last duty to check the incident I caused. That incident is coded […]
Cleaning my mechanical keyboard
My son is using one of my mechanical keyboard and it has been beat up too much by snacking during gaming and watching YouTube video. So, it is time to clean up. I’ve been looking for the right time to do it and finally did it. Key Cap Removal First of all, I removed all […]
Blurring faces and Stabilizing your videos
I am using Deface to blue faces automatically in my YouTube. It used take me over 10 hours to process 18 minutes long 4K 30FPS video for me. So, I read README.md carefully. The blurring time went down to 1 hour for now. It got faster 10 times. Hardware Acceleration One of them was using […]
[Story] Janitor’s Key Box II – Block Chain
Previously… JKB team has summoned all of time patrollers to announce the changes on our Janitor’s key box. They explained that they has found one of ancient technologies called block chain and it looked more secure and integrated than the current JKB. That’s the reason why they are switching over the technology. I could not […]
Converting V-brake to Disc brake
Swytch bike hub wheel is disc brake ready. So, I bought one of 185mm disks. I also needed to buy one caliper for the conversion. My trike is not ready for the disc brake. So, it does not have ears for disc brake caliper. To mount that caliper, mounting bracket is needed. It is important […]
[MySQL] Backup, Restore, Import, and Export
When needed, snapshot backups of MySQL instance are not that useful. So, I tend to backup my DB with mysqldump. The script below dump all of schemas including system tables, users and privileges. It also drops table if exists and add them with its data. This script saved my days so often. One DB/Schema can […]
Dependency Injection (DI) in PHP
DI is new concept to me. So, I do not have that much experience to say that it allows for more flexibility and control in my own words yet. To get familiar with this programming structure, I am writing this post. Except PHP primitive data type, arguments are passed by references not by values. Object […]
Crowdmark API Endpoints
“Crowdmark is a grading and assessment solution that enables educators to grade paper-based and digital exams and assignments 3× faster than traditional workflows while leaving richer feedback for students.” Crowdmark hasn’t published their public API yet, but some of their APIs are available once you get your API Key. Here are some of API endpoints […]
Math on Web – MathJax and MathType (Wiris)
I have been looking for the best way to present math on web for a while and could find some solutions that widely adapted and used. Currently, MathJax and MathType are most versatile and well spread solutions for Math on Web MathJax It is JavaScript library that renders any form of math expressions like LaTex, […]
Riding Footage around Laurel Creek Conservation Area
I am quite new to riding footage video stuffs and still looking for better ways to stabilize my videos. It encourages me more on riding and adds some fun to it. I wish those footage can provide peace of mind and remind us how beautiful Summer is we are having now.