Lessons about Python (page 7)

The links, tools and tips our engineers and designers share with each other, one “today I learned” at a time.

lessons shared: 353
people sharing: 27
database started in: 2016

Today I learned
We consider a good practice to convert a defaultdict to dict after done building it, because code down the stack probably expects dict-like objects to behave as a regular dict and throw KeyError.
Flavio JuvenalApril 14, 2021
realpython.com
Python News: What's New From March 2021?
Gustavo CarvalhoApril 8, 2021
github.com
Pyroscope: an open source continuous profiling platform
Continuous Profiling Platform. Debug performance issues down to a single line of code - grafana/pyroscope
João LinsMarch 17, 2021
github.com
Scalene: a high-performance, high-precision CPU, GPU, and memory profiler for Python
Scalene: a high-performance, high-precision CPU, GPU, and memory profiler for Python with AI-powered optimization proposals - plasma-umass/scalene
Flavio JuvenalMarch 15, 2021
blog.cerebralab.com
Exceptions as control flow
Filipe XimenesFebruary 22, 2021
Today I learned
If you're using pytest-xdist, you can define a watcher using the flag -f so that every time you update a file it runs the test suite initially defined.
Carlos CoelhoFebruary 19, 2021
youtube.com
The PEP8 Song
Filipe XimenesFebruary 12, 2021
lwn.net
Pattern matching accepted for Python
The Python steering council has, after some discussion, accepted the controversial proposal to [...]
João LinsFebruary 10, 2021
blog.oakbits.com
An Introduction to Reactive Programming in Python
ReactiveX is a wonderful framework that allows to write event based code in a very elegant and readable way. Still, getting started in...
Filipe XimenesFebruary 3, 2021
Today I learned
If you're in a pdb/ipdb session and need to step into an interactive code call, use the debug command. This way, when you type debug xpto(), you'll start debugging whatever code chunk you may want to.
Carlos CoelhoFebruary 1, 2021
github.com
Best-of Web Development with Python
🏆 A ranked list of awesome python libraries for web development. Updated weekly. - ml-tooling/best-of-web-python
Gustavo CarvalhoJanuary 25, 2021
thedigitalcatonline.com
Delegation: composition and inheritance in object-oriented programming
Introduction¶ Object-oriented programming (OOP) is a methodology that was introduced in the 60s, though as for many other concepts related to programming languages it is difficult to give a proper date. While recent years have witnessed a second youth of functional languages, object-oriented is still a widespread paradigm among successful …
Filipe XimenesJanuary 14, 2021
hakibenita.com
Practical Dependency Injection in Python
Filipe XimenesJanuary 12, 2021
python-packaging.readthedocs.io
Adding non-code files to your lib:
Rebeca SaraiDecember 16, 2020
youtube.com
Less known packaging features and tricks:
Rebeca SaraiDecember 16, 2020

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Lessons about Python (page 7)

We consider a good practice to convert a `defaultdict` to `dict` after done building it, because code down the stack probably expects dict-like objects to behave as a regular `dict` and throw `KeyError`.

We consider a good practice to convert a `defaultdict` to `dict` after done building it, because code down the stack probably expects dict-like objects to behave as a regular `dict` and throw `KeyError`.

Python News: What's New From March 2021?

Python News: What's New From March 2021?

Pyroscope: an open source continuous profiling platform

Pyroscope: an open source continuous profiling platform

Scalene: a high-performance, high-precision CPU, GPU, and memory profiler for Python

Scalene: a high-performance, high-precision CPU, GPU, and memory profiler for Python

Exceptions as control flow

Exceptions as control flow

If you're using pytest-xdist, you can define a watcher using the flag `-f` so that every time you update a file it runs the test suite initially defined.

If you're using pytest-xdist, you can define a watcher using the flag `-f` so that every time you update a file it runs the test suite initially defined.

The PEP8 Song

The PEP8 Song

Pattern matching accepted for Python

Pattern matching accepted for Python

An Introduction to Reactive Programming in Python

An Introduction to Reactive Programming in Python

If you're in a pdb/ipdb session and need to step into an interactive code call, use the `debug` command. This way, when you type `debug xpto()`, you'll start debugging whatever code chunk you may want to.

If you're in a pdb/ipdb session and need to step into an interactive code call, use the `debug` command. This way, when you type `debug xpto()`, you'll start debugging whatever code chunk you may want to.

Best-of Web Development with Python

Best-of Web Development with Python

Delegation: composition and inheritance in object-oriented programming

Delegation: composition and inheritance in object-oriented programming

Practical Dependency Injection in Python

Practical Dependency Injection in Python

Adding non-code files to your lib:

Adding non-code files to your lib:

Less known packaging features and tricks:

Less known packaging features and tricks:

Found it useful?
Let’s put it to work.

Lessons about Python (page 7)

We consider a good practice to convert a defaultdict to dict after done building it, because code down the stack probably expects dict-like objects to behave as a regular dict and throw KeyError.

Python News: What's New From March 2021?

Pyroscope: an open source continuous profiling platform

Scalene: a high-performance, high-precision CPU, GPU, and memory profiler for Python

Exceptions as control flow

If you're using pytest-xdist, you can define a watcher using the flag -f so that every time you update a file it runs the test suite initially defined.

The PEP8 Song

Pattern matching accepted for Python

An Introduction to Reactive Programming in Python

If you're in a pdb/ipdb session and need to step into an interactive code call, use the debug command. This way, when you type debug xpto(), you'll start debugging whatever code chunk you may want to.

Best-of Web Development with Python

Delegation: composition and inheritance in object-oriented programming

Practical Dependency Injection in Python

Adding non-code files to your lib:

Less known packaging features and tricks:

Found it useful? Let’s put it to work.

We consider a good practice to convert a `defaultdict` to `dict` after done building it, because code down the stack probably expects dict-like objects to behave as a regular `dict` and throw `KeyError`.

If you're using pytest-xdist, you can define a watcher using the flag `-f` so that every time you update a file it runs the test suite initially defined.

If you're in a pdb/ipdb session and need to step into an interactive code call, use the `debug` command. This way, when you type `debug xpto()`, you'll start debugging whatever code chunk you may want to.

Found it useful?
Let’s put it to work.