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Software Engineering
The most popular blog posts about software engineering on Hacker News. 7,298 posts.
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PEP 557 – Data Classes
This PEP describes an addition to the standard library called Data Classes. Although they use a very different mechanism, Data Classes can be thought of as “mutable namedtuples with defaults”. Because Data Classes use normal class definition syntax, y...
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PEP 394 – The “python” Command on Unix-Like Systems
This PEP outlines the behavior of Python scripts when the python command is invoked. Depending on a distribution or system configuration, python may or may not be installed. If python is installed its target interpreter may refer to python2 or python3. ...
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PEP 8 – Style Guide for Python Code
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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The largest Git repo on the planet
It’s been 3 months since I first wrote about our efforts to scale Git to extremely large projects and teams with an effort we called “Git Virtual File System”. As a reminder, GVFS, together with a set of enhancements to Git, enables Git to scale to VERY large repos by virtualizing both the .git folder […]
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Open-sourcing Haxl, a library for Haskell
Visit the post for more.
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PEP 572 – Assignment Expressions
This is a proposal for creating a way to assign to variables within an expression using the notation NAME := expr.
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PEP 374 – Choosing a distributed VCS for the Python project
Python Enhancement Proposals (PEPs)
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Postmortem of database outage of January 31
Postmortem on the database outage of January 31 2017 with the lessons we learned.
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PEP 3104 – Access to Names in Outer Scopes
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...
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Separating code reasoning and editing
An Architect model describes how to solve the coding problem, and an Editor model translates that into file edits. This Architect/Editor approach produces SOTA benchmark results.
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Clojure - Rationale
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…
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PEP 373 – Python 2.7 Release Schedule
This document describes the development and release schedule for Python 2.7.
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Overview ⚡ Zig Programming Language
Focus on debugging your application rather than debugging your programming language knowledge.
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An amusing story about a practical use of the null garbage collector
The computer itself ceases to exist.
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Figma is powered by WebAssembly
Because our product is written in C++, which can easily be compiled into WebAssembly, Figma is a perfect demonstration of this new format’s power.
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Cap'n Proto: Cap'n Proto, FlatBuffers, and SBE
Update Jun 18, 2014: I have made some corrections since the original version of this post.
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Panic Blog » The Lightning Digital AV Adapter Surprise
We’ve been doing significant testing lately with video out using various iOS devices for an upcoming project. In doing so, we waded right in the middle of a strange video out mystery. It’s time to unravel that mystery. (Chung-chung!)
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PEP 393 – Flexible String Representation
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...
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NCEES discontinuing PE Software Engineering exam
NCEES will discontinue the Principles and Practice of Engineering (PE) Software Engineering exam after the April 2019 exam administration. Since the original offering in 2013, the exam has been administered five times, with a total population of 81 candidates. Only 19 candidates registered for the April 2018…
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ZSFA -- Rails Is A Ghetto (2007-12-31)
I’ve more or less kept my mouth shut about some of the dumb and plain evil stuff that goes on in the Rails community. As things would happen though I’d take notes, collect logs, and started writing this little essay. As soon as I was stable and didn’t need Ruby on Rails to survive I told myself I’d revamp my blog and…
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PEP 318 – Decorators for Functions and Methods
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...
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AlphaEvolve: A Gemini-powered coding agent for designing advanced algorithms
New AI agent evolves algorithms for math and practical applications in computing by combining the creativity of large language models with automated evaluators
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PEP 3146 – Merging Unladen Swallow into CPython
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...
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Data Race Detector
Data races are among the most common and hardest to debug types of bugs in concurrent systems. A data race occurs when two goroutines access the same variable concurrently and at least one of the accesses is a write. See the The Go Memory Model for details.
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PEP 263 – Defining Python Source Code Encodings
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 ...
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PEP 3107 – Function Annotations
This PEP introduces a syntax for adding arbitrary metadata annotations to Python functions 1.
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PEP 635 – Structural Pattern Matching: Motivation and Rationale
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.