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Modern CMake CompClass se-for-sci
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There is a package for making Feynman diagrams in LaTeX. Unfortunately, it is
old and dvi latex only. If you are using pdflatex or lualatex, as you should
be, it does not work. Even in regular LaTeX, it’s a bit of a pain. Why is there
not a new package for pdflatex? Turns out, you don’t need one. Due to the
powerful drawing library Tikz, you can create any diagram easily, and can
customize it completely. For example:
I realized that CRY did not have a CMake based install option, so including it in a GEANT4 cmake project might not be obvious. This is how you would do it in your CMakeLists.txt:
[Read More]Note: There is a better way to do this described here.
If you’ve ever tried apt-get or brew to try to install gtest, you are
probably familiar with the fact that gtest is not “recommended” for global
install on your system. As an alternative, the recommendation is that you make
it part of your project. The process for making gtest part of your project,
however, is not well documented, at least for modern git projects. What follows
is the procedure I used to do so.
Slots seem to be poorly documented. What they do is simple, but whether they are used is tricky. This is a little mini-post on slots.
[Read More]This is a quick tutorial over the basics of what metaclasses do.
Metaclasses, while seemingly a complex topic, really just do something very simple. They control what happens when you have code that turns into a class object. The normal place they are executed is right after the class statement. Let’s see that in action by using print as our metaclass.
[Read More]I haven’t seen a great deal of practical documentation about using classmethods as factories in Python (which is arguably the most important use of a classmethod, IMO). This post hopes to fill in that gap.
[Read More]I recently decided to try my hand at making an auto-load extension for Python and Plumbum. I was planning to suggest it as a new feature, then I thought it might be an experimental feature, and now it’s just a blog post. But it was an interesting idea and didn’t seem to be well documented process on the web. So, here it is.
The plan was to make commands like this:
[Read More]Wouldn’t it be nice if we had uncertainty with a nice notation in IPython? The current method would be to use raw Python,
from uncertainties import ufloat
print(ufloat(12.34, 0.01))
12.340+/-0.010
Let’s use the infix library to make the notation easier. We’ll define |pm| to
mean +/-.