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• How to create a rails habtm that deletes/destroys without error?

  - by Bradley

  I created a simple example as a sanity check and still can not seem to destroy an item on either side of a has_and_belongs_to_many relationship in rails. Whenever I try to delete an object from either table, I get the dreaded NameError / "uninitialized constant" error message. To demonstrate, I created a sample rails app with a Boy class and…

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• HTML, XHTML, and CSS... what are some good resources?

  - by user69514

  What's a good book, or a good way to learn HTML, XHTML, and CSS? I recently graduated from school and I only know Java, and C++. I would like to learn some web development so I am looking for some good books and resources.

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• Counting viable sublist lengths from an array.

  - by Ben B.

  This is for a genetic algorithm fitness function, so it is important I can do this as efficiently as possible, as it will be repeated over and over. Lets say there is a function foo(int[] array) that returns true if the array is a "good" array and false if the array is a "bad" array. What makes it good or bad does not matter here. Given the…

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• Visual Studio Web Testing - Are there any good books/videos available?

  - by JP

  Hello, I am trying to find a good resource on web and load testing. I'm using Visual Studio 2010 ultimate and, while i'm sure it is too early for much material to be released, i'm hoping there are some good resources for Visual Studio 2008 that are still relevant. While MSDN has some good information I'm looking for something more cohesive…

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• Is there a good, free Python IDE for Windows?

  - by Joseph

  Is there a good, free Python IDE for Windows? I really need some good debugging abilities.

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• What is a good measure of strength of a link and influence of a node?

  - by Legend

  In the context of social networks, what is a good measure of strength of a link between two nodes? I am currently thinking that the following should give me what I want: For two nodes A and B: Strength(A,B) = (neighbors(A) intersection neighbors(B))/neighbors(A) where neighbors(X) gives the total number of nodes directly connected to X…

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• Is there a good guide to starting out with Mercurial?

  - by adambox

  I'm looking for a good tutorial for Mercurial.

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• Anyone know a good mind mapper that works with a scheduler?

  - by GLycan

  TL;DR: Mind mapping tasks to be processed into a schedule based on task metadata. I have all sorts of ideas about what to invest resources (mainly time) in, but when I actually have time to do something I useually end up browsing reddit for not knowing what do to, and the frequancy with which I forget deadlines scares me. I'd love to…

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• Can somebody please recommend a good local file backup utility that will be Windows & OSX Compatible?

  - by JAG2007

  I have an external hard drive that I keep all of my work files on and transfer them back and forth between my Windows 7 box at work, and my Mac at home (I work from home frequently). Can someone recommend a really good backup utility that I can use on that external drive, to back the files up to my work computer locally, or the other…

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• New to Java and Spring. What are some good design principles for an inexperienced java developer like me?

  - by Imtiaz Ahmad

  I am learning Java and have written a few small useful programs. I am new to spring but have managed to understand the concept of dependency injection for decoupling. I'm trying to applying that in my development work in an enterprise setting. What are the 3 most important design patterns I should master (not for interview purposes…

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• Does it help to be core programmer of a product (product meant for social good ) for getting into Ph. D. in top university in USA say top 20?

  - by Maddy.Shik

  Hey i am working upon a product as core developer which will be launched in USA market in few months if successful. Can this factor improve my chance to get Ph.D. in good university(say top 20 in US). Normally good universities like CMU, standford, MIT, Cornell are more interested in student's profile like research work, under…

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• We’re having an exceptionally good party – and you’re invited!

  - by Rebecca Amos

  Are you coming to the PASS Summit? Then join us to help Jeff Moden celebrate his Award of Exceptional DBA of the Year. Join us and SQLServerCentral for the Exceptional DBA Awards party on 11 October. We’ve booked a casino and bar, and will be giving away lots of great prizes throughout the night. It’s always a fun evening, and…

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• What's a good open source java project for students to hack on?

  - by Evan Grim

  I'm working with a professor to develop a course teaching practical software development tools and methodology. We're looking for a sample code base that we can use for hands-on experience in each of the topics and as the basis for a semester-long project where students will work in a team to implement a feature or fix bugs.…

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• What are good sites that provide free media resources for hobby game development?

  - by m_oLogin

  (Note : This question is being transfered from stackoverflow to gamedev.stackexchange where it belongs) I really suck at graphics / music / 3D modeling / animation and it's a must-have when you have a hundred hobby game development projects you're working on. I'm looking for different quality sources on the web that provide…

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• What's a good scheme for multi-user database synchronization?

  - by Mason Wheeler

  I'm working on a system to allow multiple users to collaborate on an online project. Everything is fairly straightforward, except for keeping the users in sync. Each user has their own local copy of the project database, which allows them to make changes and test things out, and then send the updates to the central server.…

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• Anyone knows good references for Machine Learning Algorithms and Image Recognition?

  - by RaymondBelonia

  I need it for my thesis and for some reason I am having a hard time finding decent books or websites for it. My thesis topic is "Classification of Modern Art Paintings using Machine Learning Approach". My goal is to classify examples of modern art paintings to its respective modern art movement(expressionism,…

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• What's a good way to organize samplers for HLSL?

  - by Rei Miyasaka

  According to MSDN, I can have 4096 samplers per context. That's a lot, considering there's only a handful of common sampler states. That tempts me to initialize an array containing a whole bunch of common sampler states, assign them to every device context I use, and then in the pixel shaders refer to them by…

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• Is it a good idea to add robots "noindex" m tags deep, low content pages, e.g. product model data

  - by Cognize

  I'm considering adding robots "noindex, follow" tags to the very numerous product data pages that are linked from the product style pages in our online store. For example, each product style has a page with full text content on the product: http://www.shop.example/Product/Category/Style/SOME-STYLE-CODE Then…

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• Do You Want "Normal?" Good luck!

  - by divya.malik

  By Steve Diamond Much has been written about "The New Normal." One thing is for sure: whatever THAT is, economically speaking we won't be experiencing it anytime soon. Sure, we're well beyond the "no floor" perception of 18 months ago--which is certainly comforting, but ask any senior executive and they'll…

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• Registrar with good security, DNS hosting, and DNSSEC and IPv6 resolvers?

  - by semenko

  I'm looking to move my domains away from GoDaddy, but I'm having a tough time finding anyone with comparable features at a (even remotely) similar price. I've looked at the usual suggestions (NameCheap, Gandi.net, etc.), but they all seem to lack many of the GoDaddy feature base. I'm looking for: DNSSEC…

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• Is a "failed" RAID 5 disk really no good?

  - by GregH

  This is my first venture in to setting up RAID on my home system. After installing 3 x 1TB drives in RAID 5, everything was running well for about 10 days. Then, the Intel Rapid Storage Technology software that monitors the disks and RAID on my system, told me that I had a failed drive. I marked the…

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• What's a good approach to adding debug code to your application when you want more info about what's going wrong?

  - by Andrei

  When our application doesn't work the way we expect it to (e.g. throws exceptions etc.), I usually insert a lot of debug code at certain points in the application in order to get a better overview of what exactly is going on, what the values for certain objects are, to better trace where this error is…

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• Do You Want "Normal?" Good luck!

  - by steve.diamond

  Much has been written about "The New Normal." One thing is for sure: whatever THAT is, economically speaking we won't be experiencing it anytime soon. Sure, we're well beyond the "no floor" perception of 18 months ago--which is certainly comforting, but ask any senior executive and they'll tell you of…

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• Is a code review which uses only code comments a good idea?

  - by gaRex

  Preconditions Team uses DVCS IDE supports comments parsing (like TODO and etc.) Tools like CodeCollaborator are expensive for budget Tools like gerrit are too complex for install or not usable Workflow Author publishes somewhere on central repo feature branch Reviewer fetch it and start review…

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• What is a good way to store tilemap data?

  - by Stephen Tierney

  I'm developing a 2D platformer with some uni friends. We've based it upon the XNA Platformer Starter Kit which uses .txt files to store the tile map. While this is simple it does not give us enough control and flexibility with level design. Some examples: for multiple layers of content multiple…

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