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The latest blog posts to take off on Hacker News. 14,544 posts.

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12452

Fish shell 2.0

fish 2.0 is now released! fish is a fully-equipped command line shell (like bash or zsh) that is smart and user-friendly. fish supports powerful features like syntax highlighting, autosuggestions, and tab completions that just work, with nothing to learn or configure.

12453

Memory Allocators 101

For the last few weeks, I've been working on a couple of patches to tcmalloc, Google's super high performance memory allocator. I'm going to post about them soon, but first I thought it would be cool to give some background about what a memory allocator actually does. So, if you've ever wondered what happens when you…

12455

Exploiting a Go Binary

Earlier this year, tylerni7 showed us a proof of concept for a 32 bit Go exploit using this issue . geohot and I had a wager over who could get the first remote code execution on play.golang.org : he won, but just barely ;-). Props also to ricky for helping to find the underlying cause/writing the patch. Here is a…

12456

How mitmproxy works

I started work on mitmproxy because I was frustrated with the available interception tools. I had a long list of minor complaints - they were insufficiently flexible, not programmable enough, mostly written in Java (a language I don't enjoy), and so forth. My most serious problem, though, was opacity. The best tools…

12467

In defense of <canvas>

My friend and fellow Chicagoan Evan Miller wrote an excellent blog post over the weekend: Why I Develop For The Mac . It's full of great reasons why his software (which is also excellent, by the way) was written for the desktop, despite the fact that he's a web developer, even the creator of an Erlang web framework .

12471

Light Table 0.4 released

With this release our goal was to bring more people into the fold, to increase the number of languages we can eval, and to smooth out some of the core experience. After 0.3, we finally had a chance to move the ball forward some - from live modifying websites directly inside of LT to injecting code into NodeJS and…

12478

How D3 Selections Work

In the past I have presented simplified descriptions of D3 ’s selections, providing only enough detail to get started. This article takes a more comprehensive approach; rather than saying how to use selections , I will explain how selections are implemented . This may take longer to read, but it should dispel any…