kandi X-RAY | tinygo Summary
kandi X-RAY | tinygo Summary
TinyGo is a Go compiler intended for use in small places such as microcontrollers, WebAssembly (Wasm), and command-line tools. It reuses libraries used by the Go language tools alongside LLVM to provide an alternative way to compile programs written in the Go programming language.
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Trending Discussions on tinygo
Trying to understand wasm in go, so I wrote the below that:
- Manipulate DOM
- Call JS function
- Define a function that can called by JS
function undefined, my code is below, the issue I have is in the function
ANSWERAnswered 2021-Nov-10 at 18:00
I found the solution, that I need something to detect and confirm that
wasm had been loaded and ready for processing, same the one used in JS to check if the document is ready:
I'm using Golang to program a arduino uno with tinygo. I am trying to map two value ranges.
One is an encoder with a range between 0-1000 and the other is tinygo's ADC range between 0-65535. I am reading the ADC range and need to covert it to the range of 0-1000 (encoder).
I have tried several things but the basic issue that I'm running into is data types. The below formula for example equals 0:...
ANSWERAnswered 2021-Nov-05 at 21:28
1000/65535 is an integer division and will result in
0. It doesn't matter if you convert the result to
float64, then it'll be
Use floating point constant(s):
The TinyGo Homepage says that it is designed for micro controllers (or MCU). I wonder if it is possible to use TinyGo to compile go into small binary for ARM/Linux system?
UPX --best --lzma, my go code compiles to arm binary about 1MB, I hope to make it even smaller, because the system has limited storage.
ANSWERAnswered 2021-Sep-07 at 19:25
tl;dr: basically yes, but you might have to port your program.
I wonder if it is possible to use TinyGo to compile go into small binary for ARM/Linux system?
Yes (reference: https://tinygo.org/docs/guides/linux/)
TinyGo also lets you compile programs for Linux systems, both 32-bit and 64-bit, on both x86 and ARM architectures.
For cross compiling, you can use GOOS and GOARCH as usual.
ANSWERAnswered 2021-Jun-28 at 10:14
Decoding and getting the
name part is easy. But this does not ensure the token is valid, meaning the owner of the token is truly what the name says!
JWT tokens just contain the base64 encoded forms of a header, payload and signature parts, connected with a
.. So just split the token by
., decode the base64 string and you may use
json.Unmarshal() to convert the header and playload parts to maps or structs.
You must verify the signature to ensure the name is valid. If you don't perform signature verification, a token may easily be forged to pose as anyone. Signature verification is exactly what JWT libs do (besides parsing and generating tokens). How to do that, check the sources of JWT libs. I also believe there are open-source libs that process JWT tokens that also work with tiny-go.
Example code to decode the parts and print the
No vulnerabilities reported
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