Viewing profile — charukiewicz
charukiewicz
HN member- Joined
- Thu, Mar 26, 2015, 2:31 AM UTC
- HN karma
- 411
- Public activity
- 34 items
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About charukiewicz
Recent public activity
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Comment #48659655
Completely blocking the image information page to mobile user agents is completely unnecessary. I'd much rather look at your non optimized page than be told to come back on desktop…
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Comment #37164029
> It's a bit disingenuous to claim that I wrote the code once and it is now static Unless the library code were in some way self-updating or had some server side component, I think…
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Comment #37163746
I've been working on a web application that has a bar code code scanning component and I will say that while the apparent performance of this library is impressive, I am not a fan …
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Comment #37162175
> If you want a much clearer separation between frontend and backend of a site, especially in terms of contributors/teams, then it might not be the right tool. The point to take aw…
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Comment #36408528
Correct. Elm's publicity issues stem from how closed off the leadership is. There's Evan (creator) and a handful of trusted others that have a huge amount of sway over how the lang…
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Comment #36408316
> Librem 5 fails #5 Where's the Librem 5 antenna? Can you link to reports of reception issues stemming from this?
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Comment #36050211
The default settings append a number at the end, so that's 2.7e+14. Moreover, there's a separator character that may or may not be there, and may or may not be changed from the def…
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Comment #26528834
> If you're a software engineer, it won't make a difference, just send two queries to the DB and combine the results before sending them off. This isn't true if you have certain us…
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Comment #26527746
Author here. Between this and your other response, where you expound on the same point, I think you're being far too hand wavy about what causes performance issues. The number of j…
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Comment #26527134
In the past we worked on a system that used MySQL 8. We used UNION (not UNION ALL, but I assume it doesn't matter) in several places, applying it to improve performance as we descr…
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Comment #26526769
Author of the original article here. Temporary tables are different than using WITH (which are common table expressions, or CTEs). In many database engines, can make a temporary ta…
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Comment #26526738
Author here. This doesn't give the correct results. It produces meal_items that have both customer_id and employee_id. Here's an excerpt (the full result set is thousands of rows, …
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Comment #26526611
Author here, you are indeed correct that Query #2's final join can be an INNER join. However, I just tested it against our test data set and it makes no impact on the performance.
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Comment #25740498
Author here. Having written a lot of Haskell, I don't find lazy evaluation to be an issue nearly as often as it is a benefit. Yes, it can be difficult to reason about at times, but…
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Comment #23643879
I don't think it's holding SPAs to a higher standard. It's holding SPAs to a reasonable expectation for SPAs. An SPA is significantly more complicated on the client side in exchang…