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Tag Archive for go

Golang alternative to Pythons pprint.pformat

I am rewriting a Python CLI in Golang due to a network effect I want to utilize. One of the challenges I am facing is that I can’t seem to find a replacement for Pythons pprint.pformat.

Robfig cron retry

If the cron job fails, is there a feature in robfig cron scheduler to retry a certain number of times?

How to Set Up and Evaluate a go-cel Expression with Protocol Buffers in Go

I am trying to set up a go-cel environment and evaluate an expression using Protocol Buffers in Go. I have the following code. However, I am encountering issues with setting up the environment and evaluating the expression. Specifically, I am getting errors during the environment creation, compilation, or evaluation steps.

Subrouting using net/http in golang 1.22, issue with trailing “/” redirection

I am using the net/http standard library package for subrouting in Golang while developing a simple API. However, I encountered a problem. I have user routes for registration with POST /v1/users/. When I try to send a request to POST /v1/users, I get a 404 page not found error. I need to add a trailing / to make it work. I believe it should work with both trailing / and without trailing /. If you can help me fix this, it would be great.

Can’t use Color array as color.Palette value in argument to image.NewPaletted

I’m currently trying to create an image with a palette read from the first row of a png file that has known dimensions. I’m doing this by declaring a Color array with a known size, then setting the entries in that array individually, then passing that array into image.NewPaletted as the palette argument. I know the following works from the example in Donovan & Kernighan: