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ai

Meta's GB{2,3}00 Cluster

With the recent release of the Muse family of foundational models, we want to take you inside the infrastructure that has made it all possible. The first phase of Prometheus, our gigawatt-scale sup…

python

The Performance Impact of Using dict() Instead of {} in CPython 2.7

I’ve been reviewing lot of code lately for various open source and internal projects written in Python. As part of those reviews, I have noticed what I think is a trend toward using dict() instead of {} to create dictionaries. I don’t know exactly why this trend has emerged. Perhaps the authors perceive dict() as more readable than {}. Whatever the reason, my intuition told me calling the function version of the constructor for a dictionary would impose a performance penalty.

web

A Casual Stroll Through Discourse's Source Code

The public release (and open sourcing) of Discourse was the big news in the open source world last week. Discourse interested me mostly because it is a large-scale, production-ready Rails application …

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More Programming Articles
01

Railway Station Cyber Twin Simulation System

Project Design Purpose : The Railway Station Cyber Twin Simulation System is a software-based Operational Technology simulation platform designed to address OT cybersecurity challenges in two critical infrastructure sectors: public transportation and CI building management. The p…

02

PgBouncer 1.26.1 CVE fixes: who is exposed and how to upgrade safely

PgBouncer 1.26.1, released on October 14, 2026, fixes three CVEs, and one of them is an authentication bypass rather than a crash: on versions 1.17.0 through 1.26.0, anyone who knows the password of a single user in auth_file can log in as any other user that authentica…

03

How PageSaver Reader Mode PDF Works

PageSaver can save a web page as a PDF in two ways. The normal Save as PDF keeps the page as you see it: layout, columns, images, the lot. Reader Mode PDF does something different. It pulls out just the article — the title, the author, and the body text — and leaves b…

06

Why Is My PDF So Large? Causes and Practical Fixes

Why is my PDF so large when it only has a few pages? Usually, the answer is inside those pages: high-resolution scans, oversized pictures, embedded fonts, or extra document data. Page count alone tells you very little about file size.Before choosing the strongest compression sett…

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