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Questions - webassembly

Rust can't find 'crate' for 'std'

I'm trying to get a .wasm file via RUSTFLAGS='-C link-arg=-s' cargo build --release --target wasm32-unknown-unknown but get the error: error[E0463]: can't find crate for `std` When i type rustup targ...
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SurpriseMF

rust

webassembly

rust-cargo

Votes: 0

Answers: 2

Latest Answer

I suffered the same symptoms after initialized a new cargo project on macOS but my problem was not adding to the wrong toolchain. In my case, the problem was multiple cargo binaries. I discovered this...
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nonethewiser

Why doesn't this Blazor WebAssembly api Get function work?

I have a Blazor WASM app and am just modifying the template weatherforecastcontroller to add a Get where I can pass in an id: [HttpGet("{userId}")] public string Get(string ...
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E.D.

api

routes

blazor

webassembly

blazor-webassembly

Votes: 0

Answers: 3

Latest Answer

In addition to the fix suggested by @enet, there is also an issue with your controller. When you return a string, the Content-Type is being set to text/plain and your HTTP client is expecting JSON. ...
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Steve Wong

Do a web request in yew.rs v0.19

In yew 0.2 Request::get worked fine but now yew::services doesn't exist, how can I make a request to /api/ping? do I need javascript?
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Brian3647

rust

webassembly

yew

Votes: 0

Answers: 3

Latest Answer

You could try using reqwasm. For reqwasm 0.4.0: use reqwasm::http::Request; Request::get(url) .send() .await .unwrap(); And/or you could use web_sys::{Request, RequestInit} and wasm_bind...
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Sebastián Palma

Why does "code" in spec not start with magic number and version number?

I am creating spec using ./polkadot build-spec --disable-default-bootnode --dev (I am running version 0.9.8-3a10ee63c-x86_64-linux-gnu) spec generated using above command contains code field. My under...
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kishan sagathiya

webassembly

substrate

polkadot

Votes: 0

Answers: 1

Latest Answer

Wasm can be pretty hefty in its raw form. This leads to problems, for example, when upgrading from one version of the Substrate Runtime (the wasm file) to another. This is because the upgrade should f...
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pepyakin

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