Ruby Zone | Resources for Ruby and Rails developers

Eric Gregory05/22/13
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Dev of the Week: Mahdi Yusuf

This week we're talking to Mahdi Yusuf, developer at Source Metrics, active member of the Python community, and creator of Neckbeard Republic.

Nick Johnson05/22/13
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Algorithm of the Week: Damn Cool Cardinality Estimation

Suppose you have a very large dataset - far too large to hold in memory - with duplicate entries. You want to know how many duplicate entries, but your data isn't sorted, and it's big enough that sorting and counting is impractical. How do you estimate how many unique entries the dataset contains?

Eric Gregory05/21/13
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Links You Don't Want To Miss (May 21)

Today: The sketchy world of DDoSaaS, Apple's taxes, bringing the power of NumPy to HPC, why Googlers aren't using Glass at I/O, and some truly clever 3D-printed garden contraptions.

Yuriy Lopotun05/22/13
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How to Stand Out at Work: 10 Tips for Programmers (Part 2)

This is the second part of the article in which I’m sharing a list of simple tips that, in my opinion, can help programmers succeed at their current workplace.

Allen Coin05/22/13
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Links You Don't Want to Miss (May 22)

Today: Memcached 10 years later, JS struggles, why can't testers and developers get along?; Neil deGrasse Tyson settles the Star Trek vs. Star Wars debate, and how to boost your eBook revenue.

Rafał Kuć05/22/13
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Solr 4.2: Index Structure Reading API

With the release of Solr 4.2 we’ve got the possibility to use the HTTP protocol to get information about Solr index structure. Let's look at the new API by example.

Mikio Braun05/22/13
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A Visit to the Valley

It’s one thing to know abstractly that the Silicon Valley is home to most computer related companies, and to drive down Highway 101 and see another well known company every 30 seconds or so.

Mike Cottmeyer05/22/13
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Getting Teams to Deliver Predictably

As recently as this week, I’ve been involved in conversations with customers about how we can help make their teams deliver more predictably. How can they meet commitments on all levels of the organization, including project, program, and portfolio?

Christopher Taylor05/22/13
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Escape Process’ Death Valley, or How to Tell a Cat From a Washing Machine

More and more leading edge thinkers are starting to focus on this dichotomy of approaches – organic vs mechanical. Each rightly has it’s place in any practitioner’s toolkit.

Steven Lott05/21/13
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Legacy Code Preservation: Some Patterns

With modern languages and tools, legacy code conversion is quite simple. The impediments are simply managerial in nature. No one wants to have a carefully maintained piece of software declared a liability and discarded. Everyone wants to think of it as an asset that will be carefully preserved.

Jurgen Appelo05/21/13
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What Makes a Great Conference?

I’ve been asking around on email and on the social networks what makes a conference memorable, special, or amazing. This topic has my special interest, not only because I attend between 20-25 conferences per year, but also because I’m trying to help make the DARE 2013 a great experience.

Matt Vickery05/21/13
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Git - Simple File Management

Files can be added, committed and removed from git repositories using one or more of the following commands:

Arthur Charpentier05/21/13
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Quantifying Scientific Consensus, Zombies in R, and More Data Links

Arthur Charpentier's regular data link roundup explores quantified consensus on anthropogenic global warming, compares SAS and R for business analysts, and much more. Plus: zombies (with R).

Samidip Basu05/20/13
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It Pays to Do Community ...

It takes effort, persistence & contributions from a lot of folks to build a truly rewarding developer community that benefits everyone involved. This will be a quick post thanking several people that I truly respect & enjoy working with, along with thoughts on running a technical User Group.

Mark Needham05/19/13
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Ruby/Python: Constructing a taxonomy from an array using zip

I’ve been hacking on a product taxonomy and I wanted to create a ‘CHILD’ relationship between a collection of categories. For example, I had the following array and I wanted to transform it into an array of ‘SubCategory, Category’ pairs...