# Offtopic

**URL:** https://discourse.julialang.org/c/offtopic/29.md?no_subcategories=false&page=14

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**Page:** 15

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## [Robotics at CSAIL and National Robotarium](https://discourse.julialang.org/t/robotics-at-csail-and-national-robotarium/90892)

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**Author:** [@johnh](https://discourse.julialang.org/u/johnh)\
**Replies:** 1\
**Last updated:** [November 27, 2022, 11:21am UTC](https://discourse.julialang.org/t/robotics-at-csail-and-national-robotarium/90892 "2022-11-27T11:21:40Z")

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The BBC program Click has an episode where they visit MIT CSAIL, the National Robotarium and cover Voice Banking for MND patients. Is Julia used for the mini Cheetah robot? The robot plays football with the presenter. …

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## [Fast "bool ^ float", and fast "float ^ bool" as a gift!](https://discourse.julialang.org/t/fast-bool-float-and-fast-float-bool-as-a-gift/90674)

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**Author:** [@andrey2185](https://discourse.julialang.org/u/andrey2185)\
**Replies:** 4\
**Last updated:** [November 25, 2022, 12:34pm UTC](https://discourse.julialang.org/t/fast-bool-float-and-fast-float-bool-as-a-gift/90674 "2022-11-25T12:34:00Z")

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I already wrote this before I thought to ask Oscar Smith what he meant by “PR”. I am not an user of GitHab and do not know how to make pull requests, so I leave it here. THIS TEXT AND CODE IS PROVIDED “AS IS”, WITHOUT W…

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## [Jetbrains Fleet vs VS Code](https://discourse.julialang.org/t/jetbrains-fleet-vs-vs-code/89497)

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**Author:** [@Palli](https://discourse.julialang.org/u/Palli)\
**Replies:** 1\
**Last updated:** [November 21, 2022, 5:04am UTC](https://discourse.julialang.org/t/jetbrains-fleet-vs-vs-code/89497 "2022-11-21T05:04:47Z")

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Jetbrains has good IDEs, I understand best for e.g. Java, and now Fleet. I see blog posts saying it’s good or, others not a "VS Code killer, though: Ever since it is announced many have dubbed Fleet a “VS Code killer”…

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## [Plummers Software Programing Language Drag Race](https://discourse.julialang.org/t/plummers-software-programing-language-drag-race/90564)

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**Author:** [@MikeeBee](https://discourse.julialang.org/u/MikeeBee)\
**Replies:** 2\
**Last updated:** [November 21, 2022, 1:26am UTC](https://discourse.julialang.org/t/plummers-software-programing-language-drag-race/90564 "2022-11-21T01:26:20Z")

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Guys, Don’t know if any of you have seen this or not. It’s a competition to see which programming language produces the fastest code. Julia doesn’t come off very well. For example, running the code on a Ryzen 9 5950X…

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## [Koka language: "FBIP: Functional but In-Place" and "Perceus memory management"](https://discourse.julialang.org/t/koka-language-fbip-functional-but-in-place-and-perceus-memory-management/90370)

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**Author:** [@Palli](https://discourse.julialang.org/u/Palli)\
**Replies:** 0\
**Last updated:** [November 16, 2022, 9:54pm UTC](https://discourse.julialang.org/t/koka-language-fbip-functional-but-in-place-and-perceus-memory-management/90370 "2022-11-16T21:54:21Z")

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Seems like an interesting language, and maybe Julia can learn from it. First background (and seemingly interesting in of itself): Perceus Reference Counting Perceus is an advanced compilation method for reference cou…

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## [What do I like about Julia?](https://discourse.julialang.org/t/what-do-i-like-about-julia/89831)

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**Author:** [@PetrKryslUCSD](https://discourse.julialang.org/u/PetrKryslUCSD)\
**Replies:** 28\
**Last updated:** [November 12, 2022, 9:19pm UTC](https://discourse.julialang.org/t/what-do-i-like-about-julia/89831 "2022-11-12T21:19:15Z")

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I was recently attempting to formulate a concise list of the things that I liked about Julia. This is what I came up with so far: automated and practically invisible build system (no more configuration files, make file…

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## [Openlibm and Java OpenJDK Mathematics floating point repairs](https://discourse.julialang.org/t/openlibm-and-java-openjdk-mathematics-floating-point-repairs/89645)

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**Author:** [@SergioMinervini](https://discourse.julialang.org/u/SergioMinervini)\
**Replies:** 0\
**Last updated:** [November 2, 2022, 6:30am UTC](https://discourse.julialang.org/t/openlibm-and-java-openjdk-mathematics-floating-point-repairs/89645 "2022-11-02T06:30:06Z")

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To oscardsmith and other fdlibm developers, openlibm strikes me as being the perfect correction and replacement for fdlibm, which is what java.lang.StrictMath presently uses. Java’s floating point errors involving float…

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## [What are the extensions to Arrow (Feather) and Parquet and are they supported in Julia?](https://discourse.julialang.org/t/what-are-the-extensions-to-arrow-feather-and-parquet-and-are-they-supported-in-julia/89444)

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**Author:** [@Palli](https://discourse.julialang.org/u/Palli)\
**Replies:** 0\
**Last updated:** [October 28, 2022, 11:59am UTC](https://discourse.julialang.org/t/what-are-the-extensions-to-arrow-feather-and-parquet-and-are-they-supported-in-julia/89444 "2022-10-28T11:59:48Z")

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I discovered there’s at least one: I’m not sure it’s supported in Arrow.jl (or needs supporting there), which does support all the (base) primitive types. \[Arrow is the new Feather format.\]

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## [Mojibake on github for Jupyter notebooks](https://discourse.julialang.org/t/mojibake-on-github-for-jupyter-notebooks/89320)

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**Author:** [@stevengj](https://discourse.julialang.org/u/stevengj)\
**Replies:** 4\
**Last updated:** [October 26, 2022, 9:43pm UTC](https://discourse.julialang.org/t/mojibake-on-github-for-jupyter-notebooks/89320 "2022-10-26T21:43:58Z")

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Has anyone else noticed that Github is suddenly rendering any Unicode characters in Jupyter notebooks as mojibake (garbled characters like “Ã¢Â€Â”Ã”), e.g. in this notebook for my class? Is there any way to fix it? I d…

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## [PyScript is very cool](https://discourse.julialang.org/t/pyscript-is-very-cool/89306)

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**Author:** [@runjaj](https://discourse.julialang.org/u/runjaj)\
**Replies:** 2\
**Last updated:** [October 26, 2022, 5:17pm UTC](https://discourse.julialang.org/t/pyscript-is-very-cool/89306 "2022-10-26T17:17:03Z")

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I just visited the PyScript website and I found it very impressive. It’s a way to run Python applications in the browser. The good part is that you don’t need a server, everything is run locally. Matplotlib, numpy and mo…

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## [Can you compile Julia into Scheme/FemtoLisp or directly its VM code (or other language more appropriate)?](https://discourse.julialang.org/t/can-you-compile-julia-into-scheme-femtolisp-or-directly-its-vm-code-or-other-language-more-appropriate/88746)

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**Author:** [@Palli](https://discourse.julialang.org/u/Palli)\
**Replies:** 11\
**Last updated:** [October 14, 2022, 5:43pm UTC](https://discourse.julialang.org/t/can-you-compile-julia-into-scheme-femtolisp-or-directly-its-vm-code-or-other-language-more-appropriate/88746 "2022-10-14T17:43:23Z")

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Julia compiles code into native code, but it may take time, and at the opposite end you can use Julia as an interpreter with julia --compile=min but it’s very slow at runtime (only the non-compilation step is fast). Pyt…

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## [Any good online resource to learn SQL?](https://discourse.julialang.org/t/any-good-online-resource-to-learn-sql/88533)

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**Author:** [@fksayaci](https://discourse.julialang.org/u/fksayaci)\
**Replies:** 3\
**Last updated:** [October 14, 2022, 10:49am UTC](https://discourse.julialang.org/t/any-good-online-resource-to-learn-sql/88533 "2022-10-14T10:49:08Z")

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Hello all, I have a simple and off-topic question. This platform has been very useful for me to overcome the challenges in my Julia projects. That is why I wanted to ask this question here. If you think that my question…

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## [Tribute to JSON3](https://discourse.julialang.org/t/tribute-to-json3/88507)

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**Author:** [@Tomas\_Pevny](https://discourse.julialang.org/u/Tomas_Pevny)\
**Replies:** 2\
**Last updated:** [October 10, 2022, 3:55pm UTC](https://discourse.julialang.org/t/tribute-to-json3/88507 "2022-10-10T15:55:31Z")

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I always wanted to try JSON3 but I was afraid to do so, JSON3.Object always scared me away. This weekend, I did it as a pet project, extending one our library to be compatible with JSON3. First of all, it was relatively …

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## [Nvidia AGX Orin](https://discourse.julialang.org/t/nvidia-agx-orin/84445)

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**Author:** [@johnh](https://discourse.julialang.org/u/johnh)\
**Replies:** 1\
**Last updated:** [October 7, 2022, 6:21pm UTC](https://discourse.julialang.org/t/nvidia-agx-orin/84445 "2022-10-07T18:21:26Z")

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I know I am behind the times,… but Oooo shiny… Ampere development kit

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## [What makes a language reach the "petaflop" mark?](https://discourse.julialang.org/t/what-makes-a-language-reach-the-petaflop-mark/79963)

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**Author:** [@lmiq](https://discourse.julialang.org/u/lmiq)\
**Replies:** 16\
**Last updated:** [October 6, 2022, 2:52pm UTC](https://discourse.julialang.org/t/what-makes-a-language-reach-the-petaflop-mark/79963 "2022-10-06T14:52:50Z")

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When Julia was used in the Celeste project and reached the petaflop mark, that was an important milestone for the language, it seems. I never exactly got what that means in terms of the qualities of the language itself.…

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## [Calculus With Julia Book](https://discourse.julialang.org/t/calculus-with-julia-book/87905)

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**Author:** [@Freya\_the\_Goddess](https://discourse.julialang.org/u/Freya_the_Goddess)\
**Replies:** 0\
**Last updated:** [September 28, 2022, 8:29am UTC](https://discourse.julialang.org/t/calculus-with-julia-book/87905 "2022-09-28T08:29:05Z")

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Hi all, I think it is still about Julia, but including a physical book. I was reading Calculus With Julia tutorial all this time to help me learning Calculus, still newbie and just a beginner mathematics student. https…

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## [Bit disallusioned about julia awareness and adoption](https://discourse.julialang.org/t/bit-disallusioned-about-julia-awareness-and-adoption/87408)

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**Author:** [@anon69491625](https://discourse.julialang.org/u/anon69491625)\
**Replies:** 49\
**Last updated:** [September 21, 2022, 4:59pm UTC](https://discourse.julialang.org/t/bit-disallusioned-about-julia-awareness-and-adoption/87408 "2022-09-21T16:59:26Z")

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Hi all I am retired from silicon valley and have some idea about how to ask pertinent questions about a technology. My first startup’s chairman and ceo was Tom Perkins and so I learnt some things right from day one. An …

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## [Losing Science Marketshare to Non-Python Languages](https://discourse.julialang.org/t/losing-science-marketshare-to-non-python-languages/87136)

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**Author:** [@NickW3101](https://discourse.julialang.org/u/NickW3101)\
**Replies:** 30\
**Last updated:** [September 21, 2022, 4:25pm UTC](https://discourse.julialang.org/t/losing-science-marketshare-to-non-python-languages/87136 "2022-09-21T16:25:55Z")

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The Julia team could grow the user base by filling the programming language gaps that data scientists are resorting to more difficult languages for, such as Go and Rust. Search the web to see what problems scientists ar…

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## [Change the name of Julia to JULai](https://discourse.julialang.org/t/change-the-name-of-julia-to-julai/87407)

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**Author:** [@NickW3101](https://discourse.julialang.org/u/NickW3101)\
**Replies:** 18\
**Last updated:** [September 18, 2022, 2:54pm UTC](https://discourse.julialang.org/t/change-the-name-of-julia-to-julai/87407 "2022-09-18T14:54:54Z")

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The word Julia is hard for Google searches. JULai wouldn’t be confused with anything else. Edit: Scrap JULai as the name suggestion but a completely unique 1 to 2 syllable word

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## [How julia calculates pi?](https://discourse.julialang.org/t/how-julia-calculates-pi/87094)

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**Author:** [@qwerty](https://discourse.julialang.org/u/qwerty)\
**Replies:** 19\
**Last updated:** [March 14, 2026, 1:02am UTC](https://discourse.julialang.org/t/how-julia-calculates-pi/87094 "2026-03-14T01:02:04Z")

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I think I have found a simple formula to calculate pi but my formula is much slower than BigFloat (pi). How julia calculates pi? I also ask you: how do I know if my formula already exists?

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## [Building a Transpiler from Python to Julia](https://discourse.julialang.org/t/building-a-transpiler-from-python-to-julia/86349)

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**Author:** [@mig](https://discourse.julialang.org/u/mig)\
**Replies:** 19\
**Last updated:** [September 15, 2022, 9:41pm UTC](https://discourse.julialang.org/t/building-a-transpiler-from-python-to-julia/86349 "2022-09-15T21:41:46Z")

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Greetings! This is my first-ever post on Julia’s discourse, so I hope it turns out ok! I have been developing a transpiler called PyJL for my Master Thesis over the last year, which translates Python source code to hum…

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## [A recent "pre-quantum, pre-spacetime theory" an 8D octonic theory more fundamental than QM or QFT/the standard model (and explaining it) predicting 6 particles, e.g. dark photon](https://discourse.julialang.org/t/a-recent-pre-quantum-pre-spacetime-theory-an-8d-octonic-theory-more-fundamental-than-qm-or-qft-the-standard-model-and-explaining-it-predicting-6-particles-e-g-dark-photon/86797)

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**Author:** [@Palli](https://discourse.julialang.org/u/Palli)\
**Replies:** 8\
**Last updated:** [September 8, 2022, 10:09am UTC](https://discourse.julialang.org/t/a-recent-pre-quantum-pre-spacetime-theory-an-8d-octonic-theory-more-fundamental-than-qm-or-qft-the-standard-model-and-explaining-it-predicting-6-particles-e-g-dark-photon/86797 "2022-09-08T10:09:17Z")

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@ExpandingMan You may not have heard Prof Singh, and his new theory: According to it the fine-structure constant is (and the other (mass) constants tend to also include √(3/8)): julia\> @interval 1/(9/1024 \* exp((1/3 -…

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## [Help with boundary-value problem](https://discourse.julialang.org/t/help-with-boundary-value-problem/86862)

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**Author:** [@BJR](https://discourse.julialang.org/u/BJR)\
**Replies:** 5\
**Last updated:** [September 7, 2022, 12:09pm UTC](https://discourse.julialang.org/t/help-with-boundary-value-problem/86862 "2022-09-07T12:09:01Z")

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I have been trying to solve this (see image) equation 1 using the finite difference method with the initial conditions as given in equations (2,3 & 4). Note that the initial condition is z = -2400 nm for all values of th…

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## [How to create a log file storage](https://discourse.julialang.org/t/how-to-create-a-log-file-storage/86283)

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**Author:** [@ufechner7](https://discourse.julialang.org/u/ufechner7)\
**Replies:** 1\
**Last updated:** [August 25, 2022, 2:46pm UTC](https://discourse.julialang.org/t/how-to-create-a-log-file-storage/86283 "2022-08-25T14:46:07Z")

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I have a lot of log files, each perhaps 100 MB of size, compressed a lot less, but they also can be bigger. I would like to store them at a central location together with some meta data. It would be nice if the meta dat…

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## [A ﬂexible sparse matrix data format and parallel algorithms for the assembly of sparse matrices in general ﬁnite element applications using atomic synchronisation primitives](https://discourse.julialang.org/t/a-exible-sparse-matrix-data-format-and-parallel-algorithms-for-the-assembly-of-sparse-matrices-in-general-nite-element-applications-using-atomic-synchronisation-primitives/86339)

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**Author:** [@Palli](https://discourse.julialang.org/u/Palli)\
**Replies:** 2\
**Last updated:** [August 25, 2022, 5:08pm UTC](https://discourse.julialang.org/t/a-exible-sparse-matrix-data-format-and-parallel-algorithms-for-the-assembly-of-sparse-matrices-in-general-nite-element-applications-using-atomic-synchronisation-primitives/86339 "2022-08-25T17:08:09Z")

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@elrod @PetrKryslUCSD Seems intriguing: https://www.researchgate.net/publication/346555859\_A\_flexible\_sparse\_matrix\_data\_format\_and\_parallel\_algorithms\_for\_the\_assembly\_of\_sparse\_matrices\_in\_general\_finite\_element\_applic…

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## [Tachyum processor with Julia](https://discourse.julialang.org/t/tachyum-processor-with-julia/11124)

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**Author:** [@johnh](https://discourse.julialang.org/u/johnh)\
**Replies:** 16\
**Last updated:** [August 24, 2022, 2:14pm UTC](https://discourse.julialang.org/t/tachyum-processor-with-julia/11124 "2022-08-24T14:14:03Z")

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I know that new processors come and go. There is a classic hype cycle every time a new idea is announced Gartner hype cycle - Wikipedia. Many do not even make it to the plateau of productivity because mainstream proce…

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## [Adding Julia meaning to FAQ](https://discourse.julialang.org/t/adding-julia-meaning-to-faq/86174)

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**Author:** [@Nav](https://discourse.julialang.org/u/Nav)\
**Replies:** 3\
**Last updated:** [August 24, 2022, 5:19am UTC](https://discourse.julialang.org/t/adding-julia-meaning-to-faq/86174 "2022-08-24T05:19:19Z")

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For anyone new to Julia, a major question in their mind is the origin story of the name “Julia” and the logo design. I found this about the logo and a casual/flippant mention of “Jeff’s Uncommon Lisp Is Automated” being…

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## [Why I can't set what parameters are mutable explicitly?](https://discourse.julialang.org/t/why-i-cant-set-what-parameters-are-mutable-explicitly/86091)

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**Author:** [@Dan\_Micsa](https://discourse.julialang.org/u/Dan_Micsa)\
**Replies:** 169\
**Last updated:** [August 23, 2022, 1:28pm UTC](https://discourse.julialang.org/t/why-i-cant-set-what-parameters-are-mutable-explicitly/86091 "2022-08-23T13:28:36Z")

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I still don’t understand why parameters can be silently changed in function calls and why there is not a const or mutable like keyword to warn us if this is happening? Running this example will silently change the conte…

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## ["Successor languages": C++ - \> Google's Carbon-lang, MATLAB -\> Julia?](https://discourse.julialang.org/t/successor-languages-c-googles-carbon-lang-matlab-julia/85940)

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**Author:** [@Palli](https://discourse.julialang.org/u/Palli)\
**Replies:** 6\
**Last updated:** [August 20, 2022, 11:56am UTC](https://discourse.julialang.org/t/successor-languages-c-googles-carbon-lang-matlab-julia/85940 "2022-08-20T11:56:50Z")

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My take on it C++ needs to be replaced, just with what, Julia, other existing language? Or this new one: See full list here: https://github.com/carbon-language/carbon-lang/blob/trunk/docs/project/goals.md#language-goals…

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## [Numpy's list of lists vs. Julia's linear indexing](https://discourse.julialang.org/t/numpys-list-of-lists-vs-julias-linear-indexing/85596)

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**Author:** [@yha](https://discourse.julialang.org/u/yha)\
**Replies:** 8\
**Last updated:** [August 11, 2022, 7:03pm UTC](https://discourse.julialang.org/t/numpys-list-of-lists-vs-julias-linear-indexing/85596 "2022-08-11T19:03:42Z")

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I think Numpy is truly committed to this, and that is a good thing. x\[0\]\[0\] actually is a valid index into a matrix, and in general, a\[i1\]\[i2\]...\[ik\] == a\[i1,i2,...,ik\]. Much more reasonable and useful than julia’s a\[i\]…

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