Recent Notes

Revision. ( May 2023 )

Santa Barbara Airport: 113 — Case study: using GoogleMap as background in AutoCad, draw airport runway, access path, marks on the ground. Export drawing in DXF format and reimport into InkScape. Make required adjustments, mostly coloring in Inkspace, then export as SVG. Import SVG into Blender and apply textures.
Postgres Full Text Search: 314 — Applying TSV to `oacs-5-10-0-cc` - Cloned and modified from Museum App.
TH-Geom database: 295 — Rebuilding TH-geom database on Caltek Los-Angeles, next to Geoserver.
Sprinter-Up User Manual: 126 — SprinterUp is the replacement for 'Leveling WebApp'. New features are : progressive import of Sprinter jobs, exports in CSV format, manual and auto-split adjustments of loops. The previous version was not able to store patial loop or multi loops into a single Sprinter job. Definitions: control stations, setout points.
NGinx config to reverse proxy AWS-S3: 101 — How to configure NGINX to reverse proxy traffic from lekkyweb.com linodeobjects.com. Passing a Request to a Proxied Server - Passing Request Headers - Configuring Buffers - Choosing an Outgoing IP Address
Stylesheet using hbox vbox: 117 — An essai to normalize and having efficient CSS coding by adopting the box model used by TeX typesetting system. It does not perfectly follow the rules but good enough as a standard of coding.
Chrome Relative URL broken: 127 — FireFox add automatically a trailing slash when needed, Chrome not. The fix is to add trailing slash when it's missing. This can be done in Nginx with a simple rewrite.
CSS Tricks & recipes.: 108 — Controlling adjacent siblings – Center an element inside a flex-column – Auto insert content before element
Using GRUB to fix boot issues: 104 — Under EFI, boot order information is stored in NVRAM – Recovering boot loader with efibootmgr. – Using rEFInd boot manager
Flex model & TeX model: 107 — Flex model: justify-content, align-items – space-between, space-around, space-evenly, align-top / align-bot / align-center / align-baseline / – TeX model: hbox, vbox, ql, qc, qr, qj. hbox.stretch / vbox.stretch
HTML unsorted: 109 — Things I learned recently: unsorted bunch of HTML stuff. To review and move to appropriate page. To review and move to appropriate page.
Git Basics for engineers.: 119 — create an account on GitHub – get a Key – install Git on your computer – create a repository – make a folder under revision – add files – commit – push on GitHub
File Watcher pushing to AWS-S3: 115 — FW4B is a node program watching for file changes in a project folder and its sub folders. When a file changes or is created,a copy is made in the cloud, i.e: on a bucket on Linode ObjectStorage.
case study font-size: 120 — font-size defined twice. Chrome and Firefox behaving differently.
Cloning Disk with Ubuntu.: 114 — DD : the Disk Destroyer
User Manual for fw4b: 281 — User manual
Glabal Mapper: 135 — Converting KML or KMZ files to DWG files.
lekkyweb.com CSS methodology: 137 — CSS Methodology used to build lekkyweb.com
Dual Boot Dell Recovery: 136 — Dual boot - Dell Recovery Image - Grub - NVRAM
SprinterUp Coding: 138 — SprinterUp architecture, coding.
GeoServer Installation: 139 — GeoServer Installation, Tomcat, Jetty.
Javascript AWS/S3 API: 294 — AWS/S3 javascript API is now at revision 3. This node module provide access to this new API.
TeX fonts for Thai language.: 292 — I am using pdftex to create complex and beautiful title blocks for my AutoCad drawing. I use plain pdftex, not pdflatex, and Thai fonts installation is not well documented. Also there are no blank space in Thai sentences, and TeX need extra help to predict how to break lines. I am showing how to fix those issues.
tex.css hbox/vbox: 118 — TeX style sheets (in construction)
first step in css coding: 102 — font-size: units and context — display: block, inline, flex and grid — border, rounded frame — customizing links
Sprinter-Up Revisions: 125 — SprinterUp is the replacement for 'Leveling WebApp'. New features are : progressive import of Sprinter jobs, exports in CSV format, manual and auto-split adjustments of loops. The previous version was not able to store patial loop or multi loops into a single Sprinter job. This is fixed now.
publish javascript packages on NPM: 129 — It’s simple to publish a package onto npm. There are two steps: Create your package. Publish the package.
UTM projection: 130 — Universal Transverse Mercator coordinate system
Object Storage s3cmd: 131 — Linux/Ubuntu program to access AWS/S3 buckets.
A truly bootable external drive: 103 — Making a Bootable USB With Ubuntu ISO – Using balenaEtcher – Installation Process
105 — Checklist when image invisible
links issues when working with buckets: 106 — NGINX configs again.
DOM javascript: 110 - Adding text to the DOM
A truly bootable external drive part 2.: 112 — Mostly the second part: dealing wit NVRAM
Compiling Svelte Components: 116 —
Migration Fremont Los Angeles: 140 — Moving Linode at Fremont to ssdnode in Los Angeles.
Svelte Static Files Generator: 141 — Create static HTML pages using Svelte.
Ubuntu Linux Basic cmd line: 142 — VIM Editor.
lekkyweb.com sitemap: 296 — Site Map. (review May 2023)
Deep Search Museum: 297 — (review May 2023)
Custom Ranking Postgres: 316 — Custom ranking in Postgres full text search

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