# \#general

**URL:** https://discourse.julialang.org/tag/general/473.md

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## [HTTP/3 and QUIC protocols, status of for Julia web clients or servers](https://discourse.julialang.org/t/http-3-and-quic-protocols-status-of-for-julia-web-clients-or-servers/78473)

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**Author:** [@Palli](https://discourse.julialang.org/u/Palli)\
**Replies:** 9\
**Last updated:** [February 4, 2026, 9:13pm UTC](https://discourse.julialang.org/t/http-3-and-quic-protocols-status-of-for-julia-web-clients-or-servers/78473 "2026-02-04T21:13:20Z")

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HTTP/3 seems to be around the corner, already implemented in most web browsers (may be off by default), makes web browsing much faster. It’s based on QUIC protocal (which IS DONE), then UDP, not TCP of TCP/IP (so it’s go…

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## [LU factorisation of a block tridiagonal square matrix](https://discourse.julialang.org/t/lu-factorisation-of-a-block-tridiagonal-square-matrix/124852)

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**Author:** [@eveningsilverfox](https://discourse.julialang.org/u/eveningsilverfox)\
**Replies:** 3\
**Last updated:** [January 17, 2025, 8:55pm UTC](https://discourse.julialang.org/t/lu-factorisation-of-a-block-tridiagonal-square-matrix/124852 "2025-01-17T20:55:56Z")

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Following up on Fastest way to perform A \* B \* A’ Given a block tridiagonal matrix X with size NxN, having blocks of size MxM (M\<N and N%M=0), I define A = inv(I-X). I also define B having the same size as A, and it is …

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## [Broadcast matrix valued function, output into existing array](https://discourse.julialang.org/t/broadcast-matrix-valued-function-output-into-existing-array/124831)

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**Author:** [@eveningsilverfox](https://discourse.julialang.org/u/eveningsilverfox)\
**Replies:** 7\
**Last updated:** [January 17, 2025, 6:42am UTC](https://discourse.julialang.org/t/broadcast-matrix-valued-function-output-into-existing-array/124831 "2025-01-17T06:42:50Z")

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How do I broadcast the function matop below such that the output car1 resembles car, i.e., car1 is an array which can be accessed as car1\[:,1,2\]? Presently, car1 looks like a vector, with size (N,), instead of (N,2,2). …

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## [Help on terminology: multiprocessor vs. multicore](https://discourse.julialang.org/t/help-on-terminology-multiprocessor-vs-multicore/87066)

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**Author:** [@HJW019](https://discourse.julialang.org/u/HJW019)\
**Replies:** 12\
**Last updated:** [September 15, 2022, 4:25am UTC](https://discourse.julialang.org/t/help-on-terminology-multiprocessor-vs-multicore/87066 "2022-09-15T04:25:46Z")

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I am trying to understand the definitions of “multiprocessors” and “multicores” and it seems different sources have different definitions. I am mainly confused by whether the terms are defined by the numbers of physical …

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## [Is \`InMemoryDatasets.create\_sysimage\` documented anywhere?](https://discourse.julialang.org/t/is-inmemorydatasets-create-sysimage-documented-anywhere/78246)

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**Author:** [@xinchin](https://discourse.julialang.org/u/xinchin)\
**Replies:** 4\
**Last updated:** [March 26, 2022, 11:10am UTC](https://discourse.julialang.org/t/is-inmemorydatasets-create-sysimage-documented-anywhere/78246 "2022-03-26T11:10:41Z")

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@sl-solution I see there’s a function in your package (not exported) and I think it is for creating sysimage? is it documented somewhere which I can look at?

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## [How to register my own packages?](https://discourse.julialang.org/t/how-to-register-my-own-packages/47532)

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**Author:** [@iHany](https://discourse.julialang.org/u/iHany)\
**Replies:** 3\
**Last updated:** [September 30, 2020, 11:37am UTC](https://discourse.julialang.org/t/how-to-register-my-own-packages/47532 "2020-09-30T11:37:19Z")

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Hi, I’m trying to register my own package to General. As General said, I tried to register my package through JuliaHub. However, the General said " I was not able to load the package (i.e. import MyPackage failed). …

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## [Adding "caps" (upper-bounded \`\[compat\]\` entries) to all packages in the General registry](https://discourse.julialang.org/t/adding-caps-upper-bounded-compat-entries-to-all-packages-in-the-general-registry/46244)

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**Author:** [@dilumaluthge](https://discourse.julialang.org/u/dilumaluthge)\
**Replies:** 1\
**Last updated:** [September 8, 2020, 10:18am UTC](https://discourse.julialang.org/t/adding-caps-upper-bounded-compat-entries-to-all-packages-in-the-general-registry/46244 "2020-09-08T10:18:52Z")

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We have used the RetroCap.jl package to add “caps” (upper-bounded \[compat\] entries) to all packages in the General registry. More specifically, for each package in the General registry, we iterate over each of the packa…