Arnau Siches
arnausiches.bsky.social
Arnau Siches
@arnausiches.bsky.social
Data, technology and a pinch of salt.
This week has been about a terminal-based note-taking application, design anti-patterns, a bibliography manager and structural regular expressions.

www.seachess.net/bulletins/20...
2025-W46
This week has been about a terminal-based note-taking application, design anti-patterns, a bibliography manager and structural regular expressions.
www.seachess.net
November 16, 2025 at 6:48 AM
This week has been about a new algorithm to estimate distinct elements, Merkle trees for TLS, a markdown linter and putting a movie into DuckDB.

www.seachess.net/bulletins/20...
2025-W45
This week has been about a new algorithm to estimate distinct elements, Merkle trees for TLS, a markdown linter and putting a movie into DuckDB.
www.seachess.net
November 9, 2025 at 8:26 AM
This week has been about Python in Node.js, modern CSS colour functions, graph queries in DuckDB and an article on LLMs explicitly ignoring ethical constraints.

www.seachess.net/bulletins/20...
2025-W44
This week has been about Python in Node.js, modern CSS colour functions, graph queries in DuckDB and an article on LLMs explicitly ignoring ethical constraints.
www.seachess.net
November 2, 2025 at 8:05 AM
This week has been about the traps in Amazon Kindle, an alternative way to implement MCP services, AI wellfare and UUIDv7 shortcomings.

www.seachess.net/bulletins/20...
2025-W43
This week has been about the traps in Amazon Kindle, an alternative way to implement MCP services, AI wellfare and UUIDv7 shortcomings.
www.seachess.net
October 26, 2025 at 7:58 AM
Reposted by Arnau Siches
I currently have availability for Rust coaching, adoption, or development; from a single call to ongoing 3 days/week. I can help your team get things done, adopt Rust and use it more effectively, or to accurately evaluate Rust as a new technology.
October 23, 2025 at 7:06 PM
This week has been about handling CSV with DuckDB, the 2025 Lovelace report, a talk on DuckLake and the lakehouse challenges and the knowledge collapse amplified by GenAI.

www.seachess.net/bulletins/20...
2025-W42
This week has been about handling CSV with DuckDB, the 2025 Lovelace report, a talk on DuckLake and the lakehouse challenges and the knowledge collapse amplified by GenAI.
www.seachess.net
October 19, 2025 at 6:59 AM
This week has been about a tool for analysing Git repos, an alternative to Docker compatible with Kubernetes, the chemistry of Cyanotypes and an image rendering engine.

www.seachess.net/bulletins/20...
2025-W41
This week has been about a tool for analysing Git repos, an alternative to Docker compatible with Kubernetes, the chemistry of Cyanotypes and an image rendering engine.
www.seachess.net
October 12, 2025 at 7:52 AM
This week has been about self-contained Ruby applications, GitHub codeowners validation, a Ruby version manager and a reverse proxy with load balancing and WAF built-in.

www.seachess.net/bulletins/20...
2025-W40
This week has been about self-contained Ruby applications, GitHub codeowners validation, a Ruby version manager and a reverse proxy with load balancing and WAF built-in.
www.seachess.net
October 5, 2025 at 7:42 AM
This week has been about a proxy for intercepting and replaying traffic, a terminal-based network monitor, a text editor in Zig and a visualisation alternative to Venn diagrams.

www.seachess.net/bulletins/20...
2025-W39
This week has been about a proxy for intercepting and replaying traffic, a terminal-based network monitor, a text editor in Zig and a visualisation alternative to Venn diagrams.
www.seachess.net
September 28, 2025 at 6:47 AM
This week has been about asynchronous Rust, probabilistic linkage, an adventure game and tweaking rate limits.

www.seachess.net/bulletins/20...
2025-W38
This week has been about asynchronous Rust, probabilistic linkage, an adventure game and tweaking rate limits.
www.seachess.net
September 21, 2025 at 7:49 AM
Reposted by Arnau Siches
📚 Academic dishonesty in math tests? Randomization is your ally.

👀Discover our latest blog article, where we show how professors can build fair, secure & reliable assessments that save time and reduce cheating with WirisQuizzes: bit.ly/4pKrSbE
September 19, 2025 at 11:34 AM
This week has been about standalone Python applications, event-driven applications in Kubernetes, a Lean introduction and a CSS Engine.

www.seachess.net/bulletins/20...
2025-W37
This week has been about standalone Python applications, event-driven applications in Kubernetes, a Lean introduction and a CSS Engine.
www.seachess.net
September 14, 2025 at 7:19 AM
This week has been about a tool for validating GitHub actions, a CLI for viewing docx, a good introduction to the big O notation and an article on legibility in software organisatons.

www.seachess.net/bulletins/20...
2025-W36
This week has been about a tool for validating GitHub actions, a CLI for viewing docx, a good introduction to the big O notation and an article on legibility in software organisatons.
www.seachess.net
September 7, 2025 at 7:25 AM
This week has been about a Rust HTTP server for Python, a quiz on email addresses, a retry library for Python and an article on cross-site request forgery in 2025.

www.seachess.net/bulletins/20...
2025-W35
This week has been about a Rust HTTP server for Python, a quiz on email addresses, a retry library for Python and an article on cross-site request forgery in 2025.
www.seachess.net
August 31, 2025 at 7:31 AM
This week has been about a turning maching language simulator, an conspiracy thriller game, a tool to convert raster to vector and maps with continents display true relative sizes.

www.seachess.net/bulletins/20...
2025-W34
This week has been about a turning maching language simulator, an conspiracy thriller game, a tool to convert raster to vector and maps with continents display true relative sizes.
www.seachess.net
August 24, 2025 at 7:09 AM
This week has been about a SVG optimiser, a markdown linter, an introduction to Jujutsu and a collection of AI product vulnerabilities.

www.seachess.net/bulletins/20...
2025-W33
This week has been about a SVG optimiser, a markdown linter, an introduction to Jujutsu and a collection of AI product vulnerabilities.
www.seachess.net
August 17, 2025 at 6:48 AM
This week has been about f-strings, mcp, webassembly in mcp and the issues with AI agents.

www.seachess.net/bulletins/20...
2025-W32
This week has been about f-strings, mcp, webassembly in mcp and the issues with AI agents.
www.seachess.net
August 10, 2025 at 7:21 AM
This week has been about the OpenCLI specification, a tree-sitter diff tool, the DBML specification and the SQLite WAL behaviour.

www.seachess.net/bulletins/20...
2025-W30
This week has been about the OpenCLI specification, a tree-sitter diff tool, the DBML specification and the SQLite WAL behaviour.
www.seachess.net
July 27, 2025 at 7:18 AM
Reposted by Arnau Siches
Just a reminder: age verification is a *bad* idea, not a good idea with implementation problems. The trouble with it is inherent, not practical.
July 26, 2025 at 9:01 AM
This week has been about a distributed database, computing midpoints, an Iceberg tool and a tale about AI tranformations.

www.seachess.net/bulletins/20...
2025-W29
This week has been about a distributed database, computing midpoints, an Iceberg tool and a tale about AI tranformations.
www.seachess.net
July 20, 2025 at 6:38 AM
This week has been about a Python HTTP server, a paper on impact of AI in developer productivity, how AI is changing developer hiring and a set of React components for data analytics.

www.seachess.net/bulletins/20...
2025-W28
This week has been about a Python HTTP server, a paper on impact of AI in developer productivity, how AI is changing developer hiring and a set of React components for data analytics.
www.seachess.net
July 13, 2025 at 7:42 AM
This week has been about schizophrenic ZIP files, a 2D graphics engine in Rust, an introduction to deterministic simulation testing and a review of the state of SSL.

www.seachess.net/bulletins/20...
2025-W27
This week has been about schizophrenic ZIP files, a 2D graphics engine in Rust, an introduction to deterministic simulation testing and a review of the state of SSL.
www.seachess.net
July 6, 2025 at 7:41 AM
Reposted by Arnau Siches
📢 DuckLake 0.2 is out! We added new features to the specification and improved support in the DuckDB ducklake extension.

See the announcement blog post at duckdb.org/2025/07/04/d....
July 4, 2025 at 3:03 PM
This week has been about SQL t-strings in Python, a message queue for Rust, a data pipeline tool and a SQL parser and translator for Python.

www.seachess.net/bulletins/20...
2025-W26
This week has been about SQL t-strings in Python, a message queue for Rust, a data pipeline tool and a SQL parser and translator for Python.
www.seachess.net
June 29, 2025 at 7:56 AM
@duckdb.org is there a decision log that can help trace the decisions that led to #ducklake v0.2? The spec would greatly benefit from having some rationale for why tables are the way they are
June 24, 2025 at 6:35 AM