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Activity for djm
| Type | On... | Excerpt | Status | Date |
|---|---|---|---|---|
| Answer | — |
A: How does scoping work in R? Unlike some other languages, all scoping in R is dynamic. When R evaluates an expression like `print(b)`, it looks up the function `print` in the current "environment", and later will look up the variable `b` in the same environment. Environments Environments are R objects that have two p... (more) |
— | 8 months ago |
| Question | — |
How does scoping work in R? If I run `ls()` in R, it shows the variables (including functions) in my workspace. But there are other variables visible too, e.g. functions from packages like `ls` itself. And if I write a function myself, all of those are still visible as well as local variables from that function, but not varia... (more) |
— | 8 months ago |
| Answer | — |
A: How do I properly render a quad in OpenGL using a GL_TRIANGLE_STRIP primitive? It looks like your `vertexSizeBytes` stride variable doesn't include `uvSize`. To figure things like this out, use this kind of logic: The shape of the image isn't a square, so something is wrong with the position coordinates. Possible problems: bad offset, bad stride, bad size, bad order o... (more) |
— | 8 months ago |