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Web REPL problems with two connections from the same browser #1197

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tshort opened this issue Aug 22, 2012 · 2 comments
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Web REPL problems with two connections from the same browser #1197

tshort opened this issue Aug 22, 2012 · 2 comments
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@tshort
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tshort commented Aug 22, 2012

The web REPL gets confused when there are multiple connections from the same browser to the same server. To replicate, open a REPL connection in one browser tab, create a new tab, make another web REPL connection to the same server (the session name can be the same or something different), and then try to type commands into each tab. There will be crosstalk between the two sessions, and one will gain focus while the other appears frozen.

This occurs on both Firefox and Chrome. It occurs locally and for connections to julia.forio.com.

This same issue messes up Julia Markdown pages:

https://github.com/tshort/julia/tree/jlmd/ui/website/jlmd_readme.md

The symptoms are the same: crosstalk between tabs confuses everything.
@tshort
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tshort commented Aug 22, 2012

It looks like the server gets the session ID from a cookie from the user. Multiple tabs within a browser all share the same cookies, so each tab tries to grab the same session. The easiest way around this would be to send the session ID along with the URL instead of with a cookie.

@ViralBShah
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Cc: @amitmurthy

KristofferC added a commit that referenced this issue Feb 25, 2025
@DilumAluthgeBot @KristofferC
🤖 [master] Bump the LinearAlgebra stdlib from e7da19f to f781708 (#57522
9f7cdfd 
)

Stdlib: LinearAlgebra
URL: https://github.com/JuliaLang/LinearAlgebra.jl.git
Stdlib branch: master
Julia branch: master
Old commit: e7da19f
New commit: f781708
Julia version: 1.13.0-DEV
LinearAlgebra version: 1.12.0(Does not match)
Bump invoked by: @KristofferC
Powered by:
[BumpStdlibs.jl](https://github.com/JuliaLang/BumpStdlibs.jl)

Diff:
JuliaLang/LinearAlgebra.jl@e7da19f...f781708

```
$ git log --oneline e7da19f..f781708
f781708 use the custom sysimage when running documentation (and doctests) as well (#1226)
8fdbfd5 Add `getindex` for `SymTridiagonal` using a `BandIndex` (#1223)
91b8845 Use `BandIndex` directly in `diagzero` call in `getindex` (#1222)
ef7ef3a Restrict triangular type aliases to `AbstractMatrix`es (#1220)
af7a9ac Use `BandIndex` directly in `diagzero` call in `getindex` for banded matrices
579b5f7 Specialize Diagonal * Adjoint (#1207)
5cf41c4 Indirection in matrix multiplication to avoid ambiguities (#1210)
0a9c164 Remove specialized `issymmetric`/`ishermitian` for `Diagonal{<:Number}` (#1213)
ff5648a Make unitary matrices in `svd`/`eigen` of `Diagonal` be unitless (#1155)
e096a03 Don't mutate arrays in symmetric trig functions (#1206)
c234bed Loop over `diagind` in `diag` for banded matrices (#1211)
57785c7 More resizing for truncating return values from LAPACK (#1190)
b464203 Materialize adjoint in mul with `HermOrSym` (#1191)
16d9d61 Restrict Diagonal sqrt branch to positive diag (#1203)
baa48b7 Verbose `showerror` for `SingularException` (#1204)
e0b59a7 Remove `LinearAlgebra` qualifications in `cholesky.jl` (#1209)
95d009b Remove `LinearAlgebra` qualifications in `cholesky.jl`
c550974 change to pivot
ed35a37 Add fast path in generic matmul (#1202)
8c7fe68 Detailed `showerror` for `SingularException`
2a1696a Explicitly declare type constructor imports (#1196)
101f766 Added note to BLAS.[g|s]et_num_threads about Apple Accelerate not supporting it  (#1195)
5aca26f Simplify `getproperty` for `Cholesky*` (#1197)
924dda4 remove copy-allocation on accessing `cholesky` factors (`.L`, `.U`) (#1186)
6f02532 Use `BLAS.trsm!` instead of `LAPACK.trtrs!` in left-triangular solves (#1194)
```

Co-authored-by: KristofferC <[email protected]>
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@tshort @ViralBShah @JeffBezanson