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company November 1, 2008

SQL 2008 Full-Text Search Problems

You may have noticed that things have been less responsive than usual on stackoverflow.com. The culprit is SQL Server 2008 full-text search. I’ll let Brent explain: Before 2008, full text search wasn’t inside the database – it wasn’t subject to things like transactions. Heck, it was more like Lucene where it lived outside on its…
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Co-Founder (Former)
company October 29, 2008

Added a Second Server

Based on traffic levels last week — we’re at and beyond where we were at launch — I decided it was time to pursue adding a second server. The second stackoverflow.com server has identical specifications to our first server, that is: Windows Server 2008 x64 Dual Quad-Core Xeon E5320 (1.8 GHz) 4 GB RAM 271GB…
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Co-Founder (Former)
background October 26, 2008

See You At PDC 2008

I will be attending the Microsoft Professional Developers’ Conference this year, courtesy of Microsoft. The main reason I am attending is to help Phil Haack deliver a session about ASP.NET MVC. ASP.NET MVC: A New Framework for Building Web Applications Monday, October 27th 3:30 pm — 4:45 pm Room 153 Phil invited me to talk…
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community October 25, 2008

Script Responsibly

We’ve noticed there are a number of users running a script that retrieves their uncompressed user page multiple times per second, producing an absurd amount of network traffic. Fortunately, we do cache the user page if the requests come in anonymously, so the database load was not significant. However, this behavior is irresponsible and unacceptable,…
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Co-Founder (Former)
company October 23, 2008

No Podcast This Week — Suggested Guests?

There will be no podcast this week, because Joel is on a business trip to Korea, apparently at webappscon. I can’t remember his exact words, but they were something along the lines of “I don’t care that the listeners want a new podcast, I am not a monkey who dances for their amusement!” I tried…
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company October 23, 2008

Stack Overflow OpenID Case Study

JanRain, an early supporter of OpenID, just posted an OpenID case study featuring Stack Overflow. Stack Overflow, much like Wikipedia, lets anyone edit anything – but unlike Wikipedia, we require users to earn a certain number of votes from other users before the system trusts them (we call this “reputation”). The concept of identity and…
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company October 21, 2008

Expressing Your Tag Preferences

Geoff “the malice from corvallis” Dalgas has done it again. Over the last week he was busy implementing the number one UserVoice request — tag preferences for a customized Stack Overflow homepage. You’ll notice there are two places you can now enter your ignored tags and interesting tags. On most question pages, in the right…
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Co-Founder (Former)
company October 18, 2008

Stack Overflow on Hanselminutes

Geoff, Jarrod and I recently recorded an episode of Hanselminutes with Scott Hanselman. StackOverflow uses ASP.NET MVC – Jeff Atwood and his technical team Scott chats with Jeff Atwood of codinghorror.com and most recently, stackoverflow.com. Jeff and Joel Spolsky and their technical team have created a new class of application using ASP.NET MVC. What works,…
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company October 17, 2008

Stack Overflow Search – Now 51% Less Crappy

Believe it or not, the search function on Stack Overflow may just actually.. work.. now. I started to feel really bad when I’d see people post duplicate questions, even after they said they “searched first”. Now, to be clear, we do a fuzzy title-based search when you tab off the title field on the Ask…
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Co-Founder (Former)
company October 16, 2008

Podcast #26

This is the twenty-sixth episode of the StackOverflow podcast, where Joel and Jeff answer five listener questions, mostly about social software design. Warning: this podcast features cowbell. Really. Christopher Leary: “Any thoughts on the general design of karma and rep systems based on your experience building one for Stack Overflow?” Michael L Perry: “What about…
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Co-Founder (Former)
company October 13, 2008

Tags AND Tags OR Tags

Until recently, we hadn’t done a good job of providing a user interface for combining tags. You’ll notice that all the question browsers now show “related tags”, with a count of how many tags are shown for whatever view you happen to be in (with the exception of search): Let’s say I clicked on the…
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