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Our SQL interview questions
The exact SQL questions we ask developer candidates during interviews, with the schema and the answers. Steal them for your own hiring.
Top posts
Every blog post that took off on Hacker News, ranked by the votes of its best submission. 857 posts.
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Organizational Skills Beat Algorithmic Wizardry
It's not about technology for its own sake. It's about being able to implement your ideas.
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Extreme debugging - a tale of microcode and an oven
It's been quite awhile since I debugged a computer program. Too long. Although I miss coding, the thing I miss more is the process of findin...
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Don't Distract New Programmers with OOP
It's not about technology for its own sake. It's about being able to implement your ideas.
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Docker interactive tutorial
Docker is a founding member of the Blueprint Alliance, a 12-company reference architecture for securing AI agents, built around four governance questions.
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The Deep Insights of Alan Kay
If you haven’t heard of Alan Kay you’ll likley have heard one of his many famous quotes, the most popular, likely his 1971 gem: The best …
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Ifs and &&s and Plan 9's Source Code
Spiros Eliopoulos. Blog Posts, Projects, Past Gigs, & Publications.
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PEP 435 Accepted – Adding an Enum type to the Python standard library
This PEP proposes adding an enumeration type to the Python standard library.
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Real pixel coding (2011)
Tutorials and articles of Inigo Quilez on computer graphics, fractals, math, art, demoscene, shaders and more.
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Erlang at Basho, Five Years Later
Justin Sheehy discusses whether or not Riak would choose Erlang today.
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Web development in C: Crazy?
Preliminary verdict: crazy like a fox (ish)
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Functional thinking: Why functional programming is on the rise
IBM Developer is the source for hands-on training and in-demand learning on relevant technologies such as generative AI, data science, Java, and more.
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Python Shortcuts for the Python Beginner
The following are just a collection of some useful shortcuts and tools I've found in Python over the years. Hopefully you find them helpful.
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Little Lisp interpreter
The Recurse Center is a self-directed, community-driven educational retreat for programmers in New York City.
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CSS Variables in Firefox Nightly
As reported by Cameron McCormack, Firefox Nightly (version 29) now supports CSS variables. You can get a quick overview in this short screencast: You can define variables in a ...
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PEP 450: Adding A Statistics Module To The Standard Library
This PEP proposes the addition of a module for common statistics functions such as mean, median, variance and standard deviation to the Python standard library. See also http://bugs.python.org/issue18606
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Battlecode: MIT's longest-running hardcore programming competition
As MIT’s Independent Activities Period draws near, I’ve received quite a volume of inquiries from underclassmen about “what should I take?” or “which of these competitions is better?”
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CSS Architecture
To many Web developers, being good at CSS means you can take a visual mock-up and replicate it perfectly in code. You don't use tables, and you pride yourself on using as few images as possible. If you're really good, you use the latest and greatest techniques like media queries, transitions and tra