# Programming Diary **URL:** https://forum.cadet-web.de/c/cadet-general-information/programming/23.md [Latest](https://forum.cadet-web.de/latest.md) · [Categories](https://forum.cadet-web.de/categories.md) · [Tags](https://forum.cadet-web.de/tags.md) --- ## [About the Programming Diary category](https://forum.cadet-web.de/t/about-the-programming-diary-category/750)
**Author:** [@j.schmoelder](https://forum.cadet-web.de/u/j.schmoelder)\ **Replies:** 0
This category is for sharing programming insights that you want to share with the community. --- ## [Autoscale population and number of generations](https://forum.cadet-web.de/t/autoscale-population-and-number-of-generations/1377)
**Author:** [@j.schmoelder](https://forum.cadet-web.de/u/j.schmoelder)\ **Replies:** 1\ **Last updated:** [February 5, 2026, 1:52pm UTC](https://forum.cadet-web.de/t/autoscale-population-and-number-of-generations/1377 "2026-02-05T13:52:54Z")
I often find it challenging to determine the optimal population size and number of generations for genetic algorithms. Previously, I relied on a fixed number of generations (typically 64) and scaled the population size l… --- ## [How to test experimental features and bug fixes in CADET-Process](https://forum.cadet-web.de/t/how-to-test-experimental-features-and-bug-fixes-in-cadet-process/1254)
**Author:** [@j.schmoelder](https://forum.cadet-web.de/u/j.schmoelder)\ **Replies:** 0\ **Last updated:** [June 27, 2025, 1:22pm UTC](https://forum.cadet-web.de/t/how-to-test-experimental-features-and-bug-fixes-in-cadet-process/1254 "2025-06-27T13:22:42Z")
We frequently receive requests to add new features to CADET-Process or to fix bugs, and we are very grateful to everyone who contacts us and helps us improve our software. This post aims to provide guidance for those les… --- ## [A Guide to Reproducible Python Environments and CADET Installations](https://forum.cadet-web.de/t/a-guide-to-reproducible-python-environments-and-cadet-installations/766)
**Author:** [@ronald.jaepel](https://forum.cadet-web.de/u/ronald.jaepel)\ **Replies:** 2\ **Last updated:** [September 12, 2023, 10:43am UTC](https://forum.cadet-web.de/t/a-guide-to-reproducible-python-environments-and-cadet-installations/766 "2023-09-12T10:43:24Z")
A recommended workflow to install CADET-Process: For more detail on each point, see the post below. Install a python package manager. We recommend conda via miniforge Prepare an environment.yml text file. For example i… --- ## [CADET-Core BLAS linking in conda](https://forum.cadet-web.de/t/cadet-core-blas-linking-in-conda/1017)
**Author:** [@ronald.jaepel](https://forum.cadet-web.de/u/ronald.jaepel)\ **Replies:** 2\ **Last updated:** [August 8, 2024, 6:45pm UTC](https://forum.cadet-web.de/t/cadet-core-blas-linking-in-conda/1017 "2024-08-08T18:45:28Z")
Motivation @j.schmoelder and me were wondering if CADET-Core installed from conda is using openblas or intel MKL blas and what the performance difference might be. So I checked. Background CADET-Core compiled for conda … --- ## [Numpy Array Data Type Objects (dtype)](https://forum.cadet-web.de/t/numpy-array-data-type-objects-dtype/754)
**Author:** [@j.schmoelder](https://forum.cadet-web.de/u/j.schmoelder)\ **Replies:** 1\ **Last updated:** [July 23, 2024, 5:09pm UTC](https://forum.cadet-web.de/t/numpy-array-data-type-objects-dtype/754 "2024-07-23T17:09:10Z")
Here’s another fun little example regarding numpy indices. import numpy as np array = np.array(\[1, 2\]) print(array) \[1 2\] Now, I’m trying to assign a new value to the first item of the array: array\[0\] = 1.5 print(ar… --- ## [How to Debug CADET on Windows with Visual Studio](https://forum.cadet-web.de/t/how-to-debug-cadet-on-windows-with-visual-studio/933)
**Author:** [@ronald.jaepel](https://forum.cadet-web.de/u/ronald.jaepel)\ **Replies:** 1\ **Last updated:** [April 26, 2024, 3:15pm UTC](https://forum.cadet-web.de/t/how-to-debug-cadet-on-windows-with-visual-studio/933 "2024-04-26T15:15:24Z")
I thought I’d turn this into it’s own post to make it easier to find it. Here’s a guide on how to Debug CADET on Windows with Visual Studio Set up your Visual Studio to build cadet Create a launch.vs.json file in the c… --- ## [Test running (especially in Debug mode)](https://forum.cadet-web.de/t/test-running-especially-in-debug-mode/885)
**Author:** [@ronald.jaepel](https://forum.cadet-web.de/u/ronald.jaepel)\ **Replies:** 4\ **Last updated:** [April 26, 2024, 11:55am UTC](https://forum.cadet-web.de/t/test-running-especially-in-debug-mode/885 "2024-04-26T11:55:05Z")
If you want to run tests in CADET-Core you need to ensure that in the CMakeSettings.json file: the “cmakeCommandArgs” contain: -DENABLE\_TESTS=ON to enable building the test runner -DENABLE\_STATIC\_LINK\_LAPACK=ON -DENAB… --- ## [How to itereate over multiple parameter settings](https://forum.cadet-web.de/t/how-to-itereate-over-multiple-parameter-settings/910)
**Author:** [@j.schmoelder](https://forum.cadet-web.de/u/j.schmoelder)\ **Replies:** 0\ **Last updated:** [April 1, 2024, 9:10am UTC](https://forum.cadet-web.de/t/how-to-itereate-over-multiple-parameter-settings/910 "2024-04-01T09:10:36Z")
I’m sure everyone knows this scenario: you have different parameter settings that you want to evaluate, so you create a simple for-loop and all is good. But then you wonder, wouldn’t it be interesting to also examine the… --- ## [Using jupytext and pre-commit to version control examples](https://forum.cadet-web.de/t/using-jupytext-and-pre-commit-to-version-control-examples/758)
**Author:** [@j.schmoelder](https://forum.cadet-web.de/u/j.schmoelder)\ **Replies:** 0\ **Last updated:** [August 23, 2023, 8:31am UTC](https://forum.cadet-web.de/t/using-jupytext-and-pre-commit-to-version-control-examples/758 "2023-08-23T08:31:21Z")
There are a couple of challenges that I face when writing examples: The examples should be provided as Jupyter Notebooks so that they can include equations, figures, links, etc. and can be included in our documentation… --- ## [Exposing array indices programmatically](https://forum.cadet-web.de/t/exposing-array-indices-programmatically/751)
**Author:** [@j.schmoelder](https://forum.cadet-web.de/u/j.schmoelder)\ **Replies:** 0\ **Last updated:** [August 4, 2023, 8:52am UTC](https://forum.cadet-web.de/t/exposing-array-indices-programmatically/751 "2023-08-04T08:52:27Z")
Often times, we need to index certain parts of an array. import numpy as np array = 0.1 \* np.arange(24).reshape(4, 6) print(array) \[\[0. 0.1 0.2 0.3 0.4 0.5\] \[0.6 0.7 0.8 0.9 1. 1.1\] \[1.2 1.3 1.4 1.5 1.6 1.7\] \[1.8…