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Dan Goldin

@dangoldin

Building https://www.twingdata.com and https://www.fastpentests.com Before this spent 10+ years in adtech engineering at https://triplelift.com. I hopefully fix more than I break.

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29.10.2024
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Latest posts by Dan Goldin @dangoldin

Javaโ€™s SimpleDateFormat: YYYY vs yyyy An example illustrates this much better than words ever could.

Annual New Year's Eve post to make sure your date formatting is correct - don't make the same mistake I did in 2018!

yyyy vs YYYY matters

medium.com/@dangoldin/j...

31.12.2024 18:32 ๐Ÿ‘ 0 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
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Start Tracking Your Unit Costs to Avoid Surprise Cloud Bills Two key practices for managing cloud infrastructure costs, with real examples from building and scaling an advertising exchange

blog.twingdata.com/p/start-trac...

26.12.2024 23:20 ๐Ÿ‘ 0 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
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Want to avoid cloud infra bill surprises?

1. Start tagging everything
2. Start tracking your unit costs

Full post in comments.

26.12.2024 23:19 ๐Ÿ‘ 0 ๐Ÿ” 0 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 0
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Same Query, Different Hash: An exploration into Snowflake's query hashing blind spots We dug into cases where query_parameterized_hash falls down, so you don't have to

Full blog post: blog.twingdata.com/p/same-query...

18.12.2024 16:35 ๐Ÿ‘ 0 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
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Snowflake's query_parameterized_hash is supposed to spot useful query patterns, but as it turns out, their rudimentary logic misses many query structures.

18.12.2024 16:34 ๐Ÿ‘ 1 ๐Ÿ” 0 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 0
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Pretty cool - Cursor released a "bug finder" feature and I tested it out against a PR we had open. Results are pretty good. Top one was an intentional change to see if performance would suffer and the others were false flags. Surprised by how expensive it was though. The $2.38 was for +213/-116

16.12.2024 19:22 ๐Ÿ‘ 0 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
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With Amazon's launch of S3 Tables it's pretty obvious where we're headed

05.12.2024 19:40 ๐Ÿ‘ 0 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0

Ah interesting. It's now getting to this world that whoever controls the catalog controls the world.

05.12.2024 19:33 ๐Ÿ‘ 1 ๐Ÿ” 0 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 0

Great writeup! I'm curious how this fits into the multi-data warehouse world. It seems if you want to use Snowflake or Databricks on top you'd need to mirror the catalog, is that right?

05.12.2024 14:13 ๐Ÿ‘ 2 ๐Ÿ” 0 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 0