21 May 2013

The Ruby Reflector

Topic

Read

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By Patrick of Kalzumeus Software 27 days ago.
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How To Read A SaaS Pricing Grid (And Why You Should Charge More)

I thought I'd read a pricing grid. This one's from Wufoo. You have seen similar things all over the Internets. I can't tell you about exact results I've gotten from customers, but I talk to a lot of people about this sort of things, so if we're just kind of anonymizing, here's how you read it. Find the largest dollar‑amount plan. That plan generates 33 percent to 50 percent of gross revenue. …

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Based on a lot of surprising comments about my MySQL 5.5 vs 5.6 performance post I decided to perform deeper investigation to see where my results could go possibly wrong. I had set up everything to be as simple as possible to get maximally repeatable results. I did Read Only ran which is typically a lot more repeatable (though also less relevant for production like workload). I had done number of iterations for benchmark run and I used dedicated physical hardware box so external …

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…especially for simple queries. I ran small (1M rows) benchmark so data was well fitting in memory and Read Only one to simplify things and get more repeatable results without spending too much time on it. I used Ubuntu 12.04 on some old Dell PowerEdge 2850 server. The questions I tried to answer are how much slower 5.6 is for such simple workload ? How much of this slowness comes from Performance Schema ? Whenever we get difference higher or lower with high concurrency compared to …

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By Todd Hoff of High Scalability 3 months ago.
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…Abstractions for Structured Computation .

You may remember Prismatic from previous profile we did on HighScalability: Prismatic Architecture - Using Machine Learning On Social Networks To Figure Out What You Should Read On The Web . We learned how Prismatic, an interest driven content suggestion service, builds programs in terms of graph stuff:

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By Patrick of Kalzumeus Software 5 months ago.
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Who Should Read This

Solo entrepreneurs running software businesses. (I'd suggest actually having a working product — this book doesn't cover product development, except when it is incidental to optimizing for marketing outcomes.)

Marketing / engineering / product folks at SaaS companies looking to synergize get some ideas of things which engineers can build that will make meaningful differences for the business

Anybody who has ever thought "Rather than reading through …

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…application and database into separate instances and having them in different availability zones ( Read all about availability zones, regions, and setting up a highly-available environment here !).

Single instance environments, commonly called a solo instance, are great for staging and development environments because they'll save you money. You can boot up a single instance, and we'll deploy both your application and your database to this instance. These types of environments …

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By Todd Hoff of High Scalability 6 months ago.
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Read are concurrent for the db, and scales well with number of cores especially the Read operation

BangDB :

BangDB is a high performance embedded database for key value data. It's a new entrant into the embedded db space. It's written in C++ and available under BSD license. BangDB treats key and value as arbitrary byte arrays and stores keys in both ordered fashion using BTREE and un-ordered way using HASH. Write, Read are concurrent and scales well with …

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…~/.Trash</string> </array> <key>StartCalendarInterval</key> <dict> <key>Hour</key> <integer>1</integer> </dict> </dict> </plist>

Read Creating Launch Daemons and Agents for more on how to structure the . plist file.

Ain't nobody dope as me, my Downloads directory is so fresh and so clean clean .

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Read/write github repos

What if I want to clone something to which I have push (write) access, like thoughtbot/high_voltage ? Here you go: # ~/.gitconfig [url "git@github.com:"] # With write access insteadOf = wgh: $ git clone wgh:thoughtbot/high_voltage

Easily add a Heroku remote

Now then, what if you need to add a Heroku remote for the sushi app? You could go to Heroku, log in, click "My Apps", click "Sushi", and find the remote …

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By Peter Cooper of Ruby Inside 11 months ago.
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Concensus: Ruby Library to Read US Census TIGER/Line Shapefiles

Ruby OpenSSL Cheat Sheet

August Lilleaas shares a collection of examples for using Ruby's OpenSSL bindings (as found in the Ruby standard library).

Jobs

Rails Developer at OneLogin [ San Francisco]

Join a team of Ruby engineers building the industry's easiest-to-use Identity and Access Management solution for enterprises. 2-3 years of experience with Rails

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