Every blog post that took off on Hacker News, ranked by the votes of its best submission. 5,638 posts.
This document gives coding conventions for the Python code comprising the standard library in the main Python distribution. Please see the companion informational PEP describing style guidelines for the C code in the C implementation of Python.
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How to implement type classes in terms of term-level data structures
This is a proposal for creating a way to assign to variables within an expression using the notation NAME := expr.
Python Enhancement Proposals (PEPs)
Fairy tales are more than true: not because they tell us that dragons exist, but because they tell us that dragons can be beaten.
In most languages that support nested scopes, code can refer to or rebind (assign to) any name in the nearest enclosing scope. Currently, Python code can refer to a name in any enclosing scope, but it can only rebind names in two scopes: the local scope...
In all the above scenarios you might want to use other Clojure and Java libraries (dependencies or 'deps'). These may be libraries you are writing locally, projects in git (e.g. on GitHub) or, commonly, libraries available in the Maven ecosystem and hosted by central repositories like Maven Central or Clojars.
Encoding business logic in types
What follows is the text of my presentation, Functional options for friendly APIs that I gave at dotGo this year. It has been edited slightly for readability.
Customers and stakeholders have substantial investments in, and are comfortable with the performance, security and stability of, industry-standard platforms like the JVM. While Java developers may envy the succinctness, flexibility and productivity of dynamic languages, they have concerns about running on…
This document describes the development and release schedule for Python 2.7.
Focus on debugging your application rather than debugging your programming language knowledge.
After a lengthy design process (https://github.com/JuliaLang/julia/issues/8450) and preliminary foundations in Julia 0.5 (/blog/2016-10-11-julia-0.5-highlights#vectorized_function_calls), Julia 0.6 includes new facilities for writing code in the "vectorized"...
I think the only serious gripe is what you call your biggest gripe, and I must say that I envy this in Haskell. As you know, in the eager world we tend to write out our own recursive functions, rather than use combinators. You give part of the reason; the other part is that deforestation and related transformations…
The Unicode string type is changed to support multiple internal representations, depending on the character with the largest Unicode ordinal (1, 2, or 4 bytes). This will allow a space-efficient representation in common cases, but give access to full UC...
The current method for transforming functions and methods (for instance, declaring them as a class or static method) is awkward and can lead to code that is difficult to understand. Ideally, these transformations should be made at the same point in the...
The official Go proposal is at https://golang.org/issue/24301 , filed on March 20, 2018 and accepted on May 21, 2018.
This PEP proposes the merger of the Unladen Swallow project 3 into CPython’s source tree. Unladen Swallow is an open-source branch of CPython focused on performance. Unladen Swallow is source-compatible with valid Python 2.6.4 applications and C extensi...
This PEP proposes to introduce a syntax to declare the encoding of a Python source file. The encoding information is then used by the Python parser to interpret the file using the given encoding. Most notably this enhances the interpretation of Unicode ...
This PEP introduces a syntax for adding arbitrary metadata annotations to Python functions 1.
This PEP provides the motivation and rationale for PEP 634 (“Structural Pattern Matching: Specification”). First-time readers are encouraged to start with PEP 636, which provides a gentler introduction to the concepts, syntax and semantics of patterns.
Some people, when confronted with a problem, think “I know, I’ll use cgo.” Now they have two problems.
The Scheme part of the name PLT Scheme is misleading, and it is often an obstacle to explaining and promoting PLT research and tools.
This is a guest blog post written by Andrew Brown , with help from the PyPy developers on the pypy-dev mailing list. This tutorial's master...
