Paweł bbkr Pabian articles - 29 total
Guard state transitions with proto methods
Problem When implementing stateful object it is very important to enforce proper...
SSH port forwarding from within Rust code
Reminder In this series I demonstrate how to create on demand SSH tunnel to connect to...
SSH port forwarding from within Raku code
Reminder In this series I demonstrate how to create on demand SSH tunnel to connect to...
SSH port forwarding from within code
Intro Port forwarding is a common technique used to access some service behind jump host...
Dynamically pairing tokio spawns
Hi everyone! While learning Rust I stumbled upon problem not covered by popular online tutorials....
Dev.to has big spam issue
Let's open Latest posts from last hour: Omani Palms and Date Farms: A Sweet Escape Does My Business...
UTF-8 series wrap up
What a long, strange trip it's been. Idea to "quickly blog about some Unicode basics" grew into 17...
UTF-8 in MySQL
This series is supposed to be focused on technical aspects of Unicode and I do not plan to analyze...
UTF-8 Byte Order Mark
In previous post of this series I explained that UTF is a multi byte encoding that also has few...
Fun with UTF-8: Homoglyphs
ꓧ𐐬𝗆𐐬𝗀ⅼУрႹ ⅰѕ 𝗌е𝗍 𝗈ſ ဝո𝖾 𝗈г ꝳо𝗋е ɡ𝗋аρႹ𝖾ⅿе𝗌 𝗍Ⴙа𝗍 Ⴙ𝖺ѕ 𝗂ꝱ𝖾ꝴ𝗍𝗂𐐽а𝗅 о𝗋 ѵ𝖾г𝗒 𝗌Ꭵⅿі𝗅аꝵ ⅼꝏ𝗄 𝗍ᴏ 𝗌იო𝖾 о𝗍ꜧ𝖾𝗋 𐑈е𝗍 ဝſ...
UTF-8 regular expressions
For many, many years Perl language has been top choice for text processing tasks. As a result it...
Fun with UTF-8: variables and operators
Whenever mathematician, physicist, electronics engineer or, for example, navigator wants to use some...
UTF-8 sorting and collation
Collation is an instruction on how to compare two texts. Usually code point values are used as a...
UTF-8 grapheme clusters
Grapheme cluster is a sequence of code points that should be treated as single unit when...
UTF-8 (de)composition
Composition is a process of transposing base grapheme followed by combining code points into single...
UTF-8 code point properties
Having single encoding to express every intent in every language is awesome. But that comes at a cost...
Fun with UTF-8: browsing code points namespace
This trick is very useful if you need to find all code points with given name or property. Let's find...
UTF-8 Glyphs and Graphemes
In the previous posts i was freely referring to →T← as a "character". To move forward we need more...
UTF-8 code points U+1234 meaning
Code point (ssometimes written as "codepoint") is an ordinal position in addressable encoding...
Fun with UTF-8: Printing sound
"Fun with UTF" are digressions from main posts in this series. They are purely optional and not...
UTF-8 internal design
We already know from previous posts of this series that UTF-8 is variable, multi byte encoding. But...
UTF variable length to the rescue
In previous post of this series I explained how extending base 7 bit ASCII led to encodings chaos of...
Madness before UTF
Long time ago computers were using mostly ASCII encoding. ASCII stands for American Standard Code for...
Unicode vs UTF
Hi and welcome to the series that will explain various aspects of UTF encoding. Let's start with...
Full Text Search in MySQL
Table of Contents Intro Business case No free lunches Without indexes Using B-Tree...
Full Text Search in MySQL
Table of Contents Intro Business case No free lunches Without indexes Using B-Tree...
Quick copy-paste device UUID to various Linux configurations in console
Device UUIDs are commonly used when configuring /etc/fstab mount points, when setting up bootloaders...
Migrate macOS Photos Folders and Albums to plain tree of directories
Intro For various objective and subjective reasons I'm leaving Apple ecosystem and moving...
Extracting user data tree from relational databases
Problem Relational databases are great. Normalization of schema allows to store user's...