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Speeding up a Rails request by 150ms by changing 1 line
We’re pretty obsessed with performance at Gilt Groupe . You can get a taste for what we’re dealing with, and how we’re dealing with it, from our recent presentation at RailsConf .
Top posts
Every blog post that took off on Hacker News, ranked by the votes of its best submission. 14,547 posts.
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The qmail security guarantee
Of course, ``security hole in qmail'' does not include problems outside of qmail: for example, NFS security problems, TCP/IP security problems, DNS security problems, bugs in scripts run from .forward files, and operating system bugs generally. It's silly to blame a problem on qmail if the system was already…
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Twelve Tips to Master Programming Faster
TITANSLOT88 menyediakan info akses login, cara daftar, serta link alternatif terbaru 2026, didukung navigasi mudah dan tampilan responsif di semua perangkat.
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Blogging about Midori (2015)
Joe Duffy's Blog | Adventures in the high-tech underbelly
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Why Dijkstra suggested Premature-Loop-Exit Prohibition
From the highly eclectic blog of Mark Dominus
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"Hand-Drawn" Vector Graphics Editor in Javascript
<img src="http://stevehanov.ca/blog/images/stick-figures.png"/> Now it's a commercial product, but <a href="http://zwibbler.com">Zwibbler</a> was once a fun side-project, and here's some details on its implementation.
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Pimping out git log
I got playing with git log and ended up creating this alias: [alias] lg = log --graph --pretty=format:'%Cred%h%Creset -%C(yellow)%d%Creset %s %Cgreen(%cr)%Creset' --abbrev-commit --date=relative Which adds a git lg command that is a prettier version of git log --oneline.
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"I Contribute to the Windows Kernel. We Are Slower" (2013)
I was explaining on Hacker News why Windows fell behind Linux in terms of operating system kernel performance and innovation. And out of nowhere an anonymous...
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Beating the Averages (2001)
April 2001, rev. April 2003 (This article is derived from a talk given at the 2001 Franz Developer Symposium.) In the summer of 1995, my friend Robert Morris and I started a startup called Viaweb . Our plan was to write software that would let end users build online stores. What was novel about this software, at the…
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Multicore Programming in Haskell Now
Here are the slides source for today’s DEFUN tutorial: Multicore Programming in Haskell Now! Multicore computers are here: is your programming language ready for it? Haskell is: you can take …
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Code Reuse in Google Chrome Browser
As everyone already knows, Google released a new open-source web browser called Chrome. Having interest in code reuse, I downloaded the source code and examined all the open-source libraries used. Google Chrome browser shows excellent example of code reuse. I found that they use at least 25 different software...
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Free Computer Science Courses
More great news! I started my own company: Browserling - Cross-browser testing .
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Django tip: Caching and two-phased template rendering
We've launched user accounts at EveryBlock , and we faced the interesting problem of needing to cache entire pages except for the "You're logged in as [username] " bit at the top of the page. For example, the Chicago homepage takes a nontrivial amount of time to generate and doesn't change often -- which means we want…
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World's smallest Arc server
The frame below is being served was being served by the Arc language web server running on a SheevaPlug plug computer. (I've replaced th...
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Lessons I learned building an MPs' expenses crowdsourcing app for the Guardian
As you may have heard, the UK government released a fresh batch of MP expenses documents a week ago on Thursday. I spent that week working with a small team …