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Issue - 140

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The startup time for the Python interpreter has been discussed by the core developers and others numerous times over the years; optimization efforts are made periodically as well. Startup time can dominate the execution time of command-line programs written in Python, especially if they import a lot of other modules. Python startup time is worse than some other scripting languages and more recent versions of the language are taking more than twice as long to start up when compared to earlier versions (e.g. 3.7 versus 2.7).

This website contains the full text of the Python Data Science Handbook by Jake VanderPlas; the content is available on GitHub in the form of Jupyter notebooks.
data science

Embed docs directly on your website with a few lines of code.

Useful cache helpers in one package.

Regression, Regularization, Residuals and Feature Selection
data science

In the first part of this series we concluded that asyncio is awesome, coroutines are awesome and our code is awesome. But sometimes the outside world is not as awesome and we have to deal with it. Now, for this second part of the series, I’ll run over the options asyncio gives us to handle errors when using these patterns as well as cancelling tasks so as to make our asynchronous systems robust and performant.

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TensorFlow is providing some higher-level constructs itself, and some new ones were introduced in the latest 1.3 version. In this blog, we’ll look at an example using some of these new higher-level constructs, including Estimator, Experiment, and Dataset.

Lane identification system for camera based systems.
machine learning
image processing


We show how to build a very basic, yet not bad, meme retrieval system using pretrained word embeddings.
machine learning

machine learning
image processing

This curated list contains python packages for time series analysis.
time series



Projects - 1131 Stars, 39 Fork
A Human's Guide to

lolviz - 225 Stars, 7 Fork
A simple Python data-structure visualization tool for lists of lists, lists, dictionaries; primarily for use in Jupyter notebooks / presentations.

selenium_extensions - 37 Stars, 2 Fork
Tools that will make writing tests, bots and scrapers using Selenium much easier.

Smoothly-Blend-Image-Patches - 36 Stars, 5 Fork
Make smooth predictions by blending image patches, such as for image segmentation

cloudflare-partner-cli - 12 Stars, 12 Fork
Set CNAME to use Cloudflare using the partner program.

janus - 8 Stars, 0 Fork
A minimalist argument-parsing library for Python.

cbox - 2 Stars, 0 Fork
convert any python function to unix-style command.