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Python Memory Profiling, Dangerous Assert, Semaphores, and More

#546 – OCTOBER 11, 2022 VIEW IN BROWSER
The PyCoder’s Weekly Logo
Using a Memory Profiler in Python & What It Can Teach You
Have you used a memory profiler to gauge the performance of your Python application? Maybe you’re using it to troubleshoot memory issues when loading a large data science project. What could running a profiler show you about a codebase you’re learning? This week on the show, Pablo Galindo Salgado returns to talk about Memray, a powerful tracing memory profiler.
REAL PYTHON podcast

The Dangers of assert in Python
Did you know Python’s assert statement can lead to runtime security vulnerabilities? While there are safe ways to use assert, there are lots of unsafe ways to use it that can lead to a variety of convoluted problems.
DHRUV PATEL • Shared by Randall Degges

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Reasoning About asyncio.Semaphore
Guido walks you through a single-table restaurant analogy to explain the complexity of semaphores in asyncio. Details include the TaskGroup context manager added in Python 3.11.
GUIDO VAN ROSSUM

Django Security Releases Issued: 4.1.2, 4.0.8, and 3.2.16
DJANGO SOFTWARE FOUNDATION


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Articles & Tutorials


Minimax in Python: Learn How to Lose the Game of Nim
The minimax algorithm can be used to find optimal strategies in many different games. In this tutorial, you’ll learn how to implement minimax in Python while playing the game of Nim. You’ll also learn how you can make the algorithm more efficient with alpha-beta pruning.
REAL PYTHON

Build Enumerations of Constants With Python’s Enum
In this tutorial, you’ll learn how to create and use enumerations of semantically related constants in Python. To do this, you’ll use the Enum class and other related tools and types from the enum module, which is available in the Python standard library.
REAL PYTHON

Scout APM: Built For Developers, By Developers
Performance issues are a pain. But with Scout’s APM tool, you can pinpoint performance and stability issues in Python applications with ease. Scout’s tracing logic detects the exact line of code causing the performance abnormality—fixing the issue before customers ever notice →
SCOUT APMsponsor

How to Safely Pass Data to JavaScript in a Django Template
You want to pass your data from your Django view to JavaScript in your template and you want to do it securely. This post shows several ways of doing it without the risk of allowing malicious code injection.
ADAM JOHNSON

Designing a Secure API
This article is an introduction to REST APIs. It describes five levels of implementation, versioning, query parameters, how your design effects the server side, and how to secure your end-points.
PEDRO ARAVENA

Building Scalable Data Streaming in Python
This step-by-step guide shows you the tools and tech you need to build a highly scalable data streaming pipeline in Python. It covers the use of Scrapy with Redis and a JSON based data flow.
MUHAMMAD HASEEB

Decision Trees in Python: Predicting Diabetes
This post shows you how to use the decision-trees algorithm with real-world data to predict cases of diabetes. Examples include the use of numpy, pandas, and sklearn.
JOLEEN BOTHMA

12 Beginner Concepts About Type Hints
This article gives an overview of type hints: what they are and when you should use them. It starts with simple types and builds up to more complex definitions.
AHMED BESBES

Ways to Introspect Python Objects at Runtime
Tips and tricks for inspecting Python objects and getting information about your code at runtime. Learn about built-in object methods and the inspect module.
MARTIN HEINZ • Shared by Martin Heinz

Time Series Forecasting Methods - Free Article by InfluxData
Read an overview of what is time series analysis, time series forecasting methods, types of time series used for forecasting, and how to validate models.
INFLUXDATAsponsor

Carefully Exploring Rust as a Python Developer
Karim writes about trying Rust programming as a 10+ years Python developer. He describes how to do common programming tasks and what the tooling looks like.
KARIM JEDDA

Discover SQLAlchemy: A Beginner Tutorial With Examples
In this SQLAlchemy tutorial, you will learn to access and run SQL queries on all types of relational databases using Python objects.
ABID ALI AWAN


Projects & Code


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matrix-webcam: Video Conference From Within the Matrix
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DocArray: Nested, Unstructured Data
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awesome-diagramming: List of Diagram Tools for Software
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semantic-python-overview: List of Semantic Technologies
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Django Consistency Model
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ANYWHERE Senior Software Engineer MUHAMMAD HASEEB Decision Trees USA Senior Pipeline TD large data science project scalable data streaming pipeline powerful tracing memory profiler Time series forecasting methods TaskGroup context manager More Python Jobs REAL PYTHON Scout APM runtime security vulnerabilities Time series analysis Pablo Galindo Salgado singletable restaurant analogy many different games common programming tasks AHMED BESBES Ways semantically related constants other related tools REAL PYTHON podcast Python Memory Profiling Python standard library malicious code injection Developers Performance issues

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Django and WebSockets, QR Codes, Ninja, and More

Tuesday, October 4, 2022

Building Chat With Django Channels and WebSockets #545 – OCTOBER 4, 2022 VIEW IN BROWSER The PyCoder's Weekly Logo Building Chat With Django Channels and WebSockets Building stateful web

Python as Mechanical Engineer, Heroku Alternatives, Django on Kubernetes, and More

Tuesday, September 27, 2022

Python as an Efficiency Tool for Non-Developers #544 – SEPTEMBER 27, 2022 VIEW IN BROWSER The PyCoder's Weekly Logo Python as an Efficiency Tool for Non-Developers Are you interested in using

Build an Alexa, SQLite Recipes, Customizing Lists, and More

Tuesday, September 20, 2022

Build an Alexa Equivalent in Python #543 – SEPTEMBER 20, 2022 VIEW IN BROWSER The PyCoder's Weekly Logo Build an Alexa Equivalent in Python It's not as difficult as you think to build an AI

List Comprehensions, CodeWhisperer, DoS Exposure, and More

Tuesday, September 13, 2022

List Comprehensions Are More Powerful Than You Think #542 – SEPTEMBER 13, 2022 VIEW IN BROWSER The PyCoder's Weekly Logo List Comprehensions Are More Powerful Than You Think List comprehensions

Writing Code Completers, String Methods, Dragon Fractals, and More

Tuesday, September 6, 2022

Creating a Python Code Completer & More AST Projects #541 – SEPTEMBER 6, 2022 VIEW IN BROWSER The PyCoder's Weekly Logo Creating a Python Code Completer & More AST Projects How does a code

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