What do you think if I start posting not only about Golang, but some related topics like k8s/containers?
Anonymous Poll
50%
Yes
20%
No
16%
Strong Yes
13%
i don't care
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Old but still worth to read about why one shouldn;t defer Close() on writable files:
https://www.joeshaw.org/dont-defer-close-on-writable-files/
https://www.joeshaw.org/dont-defer-close-on-writable-files/
joe shaw
Don't defer Close() on writable files
It'll bite you some day
Some pitfalls about generating Kubernetes Custom Resources with `controller-gen` over the years, and how to do more rigid validation and defaulting with it:
https://ahmet.im/blog/crd-generation-pitfalls/
https://ahmet.im/blog/crd-generation-pitfalls/
Ahmet Alp Balkan
Kubernetes CRD generation pitfalls
A quick code search query reveals at least 7,000 Kubernetes Custom Resource Definitions in the open source corpus,1 most of which are likely generated with controller-gen —a tool that turns Go structs with comments-based markers into Kubernetes CRD...
Providing context to cancellations in Go 1.20 with the new context WithCause API
https://josephwoodward.co.uk/2023/01/context-cancellation-cause-with-cancel-cause
and proposal https://github.com/golang/go/issues/51365
https://josephwoodward.co.uk/2023/01/context-cancellation-cause-with-cancel-cause
and proposal https://github.com/golang/go/issues/51365
Joseph Woodward's Blog
Providing context to cancellations in Go 1.20 with the new context WithCause API
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TIL: strings.Split returns [""] if s does not contain sep and sep is not empty 😅
Split returns a slice of length 1 whose only element is s:
package main
import (
"fmt"
"strings"
)
func main() {
fmt.Printf("%q\n", strings.Split("", ","))
}
Split returns a slice of length 1 whose only element is s:
[""]
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After releasing go1.24, we can manage tools as dependencies!
Here is very good step by step article about how to do it https://www.alexedwards.net/blog/how-to-manage-tool-dependencies-in-go-1.24-plus
Also it includes example how to add tools to seperate
Here is very good step by step article about how to do it https://www.alexedwards.net/blog/how-to-manage-tool-dependencies-in-go-1.24-plus
Also it includes example how to add tools to seperate
go.mod file (TIL!)www.alexedwards.net
How to manage tool dependencies in Go 1.24+ - Alex Edwards
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FYI: https://semgrep.dev/blog/2025/popular-github-action-tj-actionschanged-files-is-compromised/
https://www.stepsecurity.io/blog/harden-runner-detection-tj-actions-changed-files-action-is-compromised
https://www.stepsecurity.io/blog/harden-runner-detection-tj-actions-changed-files-action-is-compromised
Semgrep
🚨 Popular GitHub Action tj-actions/changed-files is compromised
Popular GitHub Action tj-actions/changed-files has been compromised with a payload that appears to attempt to dump secrets, impacting thousands of CI pipelines.
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"Programming Is Like S*x: One mistake and you have to support it for the rest of your life." — Michael Sinz
😭😭😭
😭😭😭
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Interesting approach by Russ for finding bugs by diff code coverage profiles between faing and success exectuon:
https://research.swtch.com/diffcover
https://research.swtch.com/diffcover
Classics https://status.redhat.com/
> Quay.io has been moved to read-only mode while we work to implement a fix. During this time Pulls will continue to work, however, Pushes will be disabled until a fix is implemented. There is currently no timeline for Push restoration.
> The issue has been identified. A primary key in the database has reached maximum value. We are currently working on validating a fix.
> Quay.io has been moved to read-only mode while we work to implement a fix. During this time Pulls will continue to work, however, Pushes will be disabled until a fix is implemented. There is currently no timeline for Push restoration.
> The issue has been identified. A primary key in the database has reached maximum value. We are currently working on validating a fix.
Redhat
Red Hat Status
Welcome to Red Hat's home for real-time and historical data on system performance.
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Nice satire article https://www.justfuckingcode.com/ 🙂 Kinda true in many directions 🙂
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Hey k8s/containers users!
Go 1.25 not yet released but will be container aware of GOMAXPROCS https://tip.golang.org/doc/go1.25#container-aware-gomaxprocs
Go 1.25 not yet released but will be container aware of GOMAXPROCS https://tip.golang.org/doc/go1.25#container-aware-gomaxprocs
tip.golang.org
Go 1.25 Release Notes - The Go Programming Language
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