Some quotes to provide context.
more ..."I read several times that ideally I should avoid inheritance with ABCs and if I do, then from a standard class. That is, I should avoid creating a typical base and subclass construct that is used in a strategy pattern, for example."
"If I look …
Many people will proclaim that the eval() function is reprentnatly evil.
Feel free to skip the two rants.
The eval() function is relatively easy to work with.
Important
Limit the globals to the fewest possible names.
A too-common claim is that we can't use eval() because an …
This is delightful: Packt has this Humble Bundle including The Modern Python Cookbook.
The Humble Bundle with The Modern Python Cookbook
Since it's right arund my birthday, consider this discount my gift to you.
Invest in yourself.
more ...I write all my books using LaTeX. Parts of LaTeX are (at first) confusing.
Recently, I had a moment of despair when my LaTeX processing tools no longer worked.
Don't panic. Gather the data.
If the logs aren't good enough to reveal what's going on, fix the logs.
Q: "Can you recommend books that are good for a beginner wanting to learn python?"
Me: "Depends on the person’s background..."
Q: "They has a deep background in the problem domain. Recently they've been doing a lot of reporting and analytics using SQL."
Okay. That's excellent.
One of the …
more ...Ugh.
A painful stretch of hours looking for a problem. Working on this: https://github.com/cloud-custodian/cel-python/wiki/Evaluation-Design. I need to address a performance problem and upgrade things generally to get them ready for 3.13 and 3.14.
You know how it goes, right?
I touched something …
more ...Generally, I try to frown on Domain-Specific Languages. Often, a tidy set of related functions, or a group of class definitions with a few decorators can create something that's every bit as expressive as a DSL in native Python syntax.
There are a few cases where a DSL can be …
more ...Recently, we talked about extracting data from complex relational databases. This is -- in a way -- another case study for my Unlearning SQL book. This is a description of what comes next after the "low-level" conversion. Warning: it's complicated.
BLUF: Take the time to get rid of SQL processing.
more ...We're talking about extracting data from complex relational databases. This is -- in a way -- another case study for my Unlearning SQL book.
more ...We're talking about extracting data from complex relational databases. This is -- in a way -- another case study for my Unlearning SQL book.
more ...