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| -rw-r--r-- | Openstack project requirements.md | 4 | ||||
| -rw-r--r-- | Temporary set permissions with which new files are created.md | 16 | ||||
| -rw-r--r-- | Writing a UI library in Golang.md | 25 | ||||
| -rw-r--r-- | daily/02-Jun-2025.md | 0 |
4 files changed, 45 insertions, 0 deletions
diff --git a/Openstack project requirements.md b/Openstack project requirements.md new file mode 100644 index 0000000..ced21c2 --- /dev/null +++ b/Openstack project requirements.md @@ -0,0 +1,4 @@ +[[OpenStack Tempest]] + +Requirements are globally synced: https://opendev.org/openstack/requirements +When installing a new service into devstack its requirements need to match; otherwise hell will break loose.
\ No newline at end of file diff --git a/Temporary set permissions with which new files are created.md b/Temporary set permissions with which new files are created.md new file mode 100644 index 0000000..a8c258e --- /dev/null +++ b/Temporary set permissions with which new files are created.md @@ -0,0 +1,16 @@ +--- +tags: + - bash +--- +[[Bash]] + +Using `umask` one can set the file permissions that are set when creating a new file. + +Maximum permissions allowed for files and directories are differerent: +- Files max: 0666 +- Dirs max: 0777 + +Thus take care when setting `umask` because the effect is different on files than directories. + +To get the correct mask, just subtract the mask from the maximum permissions. For example, mask 0066 would create files 0600 < 6 - 6 = 0. +This same umask would make directories with 0711.
\ No newline at end of file diff --git a/Writing a UI library in Golang.md b/Writing a UI library in Golang.md new file mode 100644 index 0000000..4161204 --- /dev/null +++ b/Writing a UI library in Golang.md @@ -0,0 +1,25 @@ +--- +tags: + - golang + - ui +--- +Some interesting libraries to look at that render their own pixels instead of relying on C/C++ bindings: +- Fyne +- Gio + +What to look out for: +- How do they render to the screen? Do they use OpenGL, Vulkan or a software renderer? Do they use OS provided primitives? +- How do they handle events and propagate them through the UI? +- How do they manage positioning and sizing of UI elements? +- How do they define common elements such as buttons, lists, etc and how do they implement their behaviour. +- How do they make it cross-platform, if at all? + + +### Renderer +What kind of renderer to use? Build a software renderer or use hardware assisted rendering via openGL or Vulkan? +Gemini recommends to start with a software renderer and optimize later. Or if we want to learn more about graphics programming we start with OpenGL. + +## Basics +- Window creation (canvas): check golang.org/x/mobile/app or go-gl/glfw. +- Event loop to handle events +- Basic shape drawing primitives
\ No newline at end of file diff --git a/daily/02-Jun-2025.md b/daily/02-Jun-2025.md new file mode 100644 index 0000000..e69de29 --- /dev/null +++ b/daily/02-Jun-2025.md |