Articles | BugFactory
Tailwind CSS: @custom-variant for Drag and Drop Styling| BugFactory
Cut the number of required PostgreSQL server round-trips by up to 50% using the `AND CHAIN` parameter of the `COMMIT` and `ROLLBACK` statements.| Web Development for SaaS Businesses | BugFactory
Returning multiple values from a function using tuples. Understand the syntax and how to write correct type annotations.| Web Development for SaaS Businesses | BugFactory
Creating directories in Python using the `pathlib` module, including normal and recursive creation, handling existing directories, and file system permissions.| Web Development for SaaS Businesses | BugFactory
Exploring working with instance variables and customizing attribute access in Python, including the use of `getattr()` and magic methods.| Web Development for SaaS Businesses | BugFactory
Learn about process management in Python's `uvicorn` web server and how to use signals to restart workers and to increment/decrement the number of workers.| Web Development for SaaS Businesses | BugFactory
Prevent lost updates in HTTP APIs using `ETag` and `If-Match` headers to block conflicting updates and ensure data integrity.| Web Development for SaaS Businesses | BugFactory
Comparison of strong and weak `ETag` headers in HTTP caching, with an example using FastAPI to demonstrate their behavior.| Web Development for SaaS Businesses | BugFactory
Python's `sorted()` function makes sorting easy and performant, guaranteeing stability and allowing descending order and custom mapping.| Web Development for SaaS Businesses | BugFactory
Learn how to start and stop `uvicorn` in the background using a randomly selected free port number. Useful for running test suites that require live-webservers.| Web Development for SaaS Businesses | BugFactory
Discover Python's built-in functions `chr()` and `ord()` for handling Unicode characters and converting between integers and characters.| Web Development for SaaS Businesses | BugFactory
Dealing with caching issues in FastAPI's `StaticFiles` sub-application and a monkey patching workaround to disable caching.| Web Development for SaaS Businesses | BugFactory
Learn about the Python built-in functions `bin()`, `oct()`, and `hex()` functions for converting integers to binary, octal, and hexadecimal representations.| Web Development for SaaS Businesses | BugFactory
Python doesn't support true function overloading, but can fake it using the `typing` module's `@overload` decorator.| Web Development for SaaS Businesses | BugFactory
Learn how to validate the word count of your pages for SEO purposes. It uses JavaScript to parse your `sitemap.xml` and count the words on all mentioned pages.| Web Development for SaaS Businesses | BugFactory
Python's `min()` and `max()` functions can take an `iterable` or multiple positional parameters, and support a key parameter for custom comparisons.| Web Development for SaaS Businesses | BugFactory
Learn how to have your OS randomly select a port number for your web server to get around the issue of hard-coded ports during development.| Web Development for SaaS Businesses | BugFactory
In this article, we explore Python's built-in `sum()` function, its parameters, and some extreme use cases it wasn't even designed for.| Web Development for SaaS Businesses | BugFactory
Learn about timestamp-based caching in HTTP using the `Last-Modified` and `If-Modified-Since` headers, with Python's FastAPI as an example.| Web Development for SaaS Businesses | BugFactory
Learn how to use JavaScript to programmatically check the meta information of all pages listed in your `sitemap.xml` to potentially rank better on Google.| Web Development for SaaS Businesses | BugFactory
Learn JavaScript techniques needed to parse your `sitemap.xml` in order to obtain a list of all pages making up your website.| Web Development for SaaS Businesses | BugFactory
Learn about the custom date/time formatting rules defined in legacy standards like RFC 5322 and how to work with them using Python's `datetime` module.| Web Development for SaaS Businesses | BugFactory
Do you struggle with inconsistent JSON formatting across your Git repository? Learn how to reformat everything using Python with this step-by-step guide.| Web Development for SaaS Businesses | BugFactory
Learn how to use `ETag` and `If-None-Match` headers to limit your web application's resource consumption by preventing data retransfers.| Web Development for SaaS Businesses | BugFactory
Learn about encapsulation in Python. This article explains public, protected, and private members and the conventions used to implement them.| Web Development for SaaS Businesses | BugFactory
Learn how to use catch-all parameters in Python functions with this guide. Capture excess positional and keyword arguments to make your functions more flexible.| Web Development for SaaS Businesses | BugFactory
In this informative article, you learn that `undefined` is not a keyword in JavaScript, and it's up to you to ensure it refers to the value its name suggests.| Web Development for SaaS Businesses | BugFactory
Learn how custom `ENUM` types in PostgreSQL can affect `SELECT` queries and `ORDER BY` clauses. Be mindful of indexing and typecasting.| Web Development for SaaS Businesses | BugFactory
Learn how to avoid permission issues when creating files on a Docker bind-mount volume from within a container and manage user IDs and group IDs on Linux.| Web Development for SaaS Businesses | BugFactory
Fully understand Python's boolean operators for negation, conjunction, and disjunction. Master operator precedence and short-circuiting.| Web Development for SaaS Businesses | BugFactory
Learn how to use the built-in `any()` function in Python to determine if any element in an `iterable` is `True`, with implementation and performance insights.| Web Development for SaaS Businesses | BugFactory
Learn about object identities and comparisons in Python. Discover the built-in `id()` function, the `is` and `is not` operators, and more.| Web Development for SaaS Businesses | BugFactory
Learn how to calculate a month's first and last days using Python's built-in `datetime` module, with step-by-step explanations and code examples.| Web Development for SaaS Businesses | BugFactory
Learn about boolean values in Python and the standard truth testing procedure. Understand how objects are converted to `True` or `False`.| Web Development for SaaS Businesses | BugFactory
Learn how to find the first and last day of a year with Python's `datetime` module. This article explains step by step what you need to know.| Web Development for SaaS Businesses | BugFactory
Learn about the Levenshtein distance algorithm, a popular and easy-to-implement way to measure the similarity between two strings.| Web Development for SaaS Businesses | BugFactory
Learn about keyword-only parameters in Python, how to define them, and their interplay with position-only parameters.| Web Development for SaaS Businesses | BugFactory
Learn about positional parameters in Python and a special syntax that allows functions to declare certain parameters as position-only.| Web Development for SaaS Businesses | BugFactory
Learn about Python functions with default parameters. Understand how default parameters work and some essential restrictions and evaluation rules.| Web Development for SaaS Businesses | BugFactory
Learn about the `callable()` function in Python. This article explains how everything in Python is potentially callable, including classes and instances.| Web Development for SaaS Businesses | BugFactory
Learn about functions with simple parameters in Python, including how the called can decide to use positional or keyword notation.| Web Development for SaaS Businesses | BugFactory
Explore Python's function definition statement and discover its features with this series of articles. Get started with this simple introduction.| Web Development for SaaS Businesses | BugFactory
Learn how to remove LDAP support from PostgreSQL packages to remove indirect dependencies, thereby making your programs more portable across systems.| Web Development for SaaS Businesses | BugFactory
Learn how to use the built-in `all()` function in Python for boolean logic, with examples and different implementations.| Web Development for SaaS Businesses | BugFactory
Learn how to use PostgreSQL's `MATERIALIZED VIEW`s to improve performance of complex queries. Persist query results and refresh them manually or automatically.| Web Development for SaaS Businesses | BugFactory
Learn how to manipulate PostgreSQL's query planner to force it to use your indexes while working on optimizing the performance of your queries.| BugFactory
