17 April 2014

The Ruby Reflector

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By Sylvia Vu of New Relic 6 hours ago.
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Azure Mobile Services lets you build and host the backend of any mobile app. New Relic Mobile allows users to monitor the end-to-end performance of all their mobile apps in real-time, using real-user data. So it only makes sense that we would team up with our partner Microsoft for an iOS and Android Hackathon!

Join us on Saturday, April 26th, 10am - 8pm at:

New Relic

188 Spear Street

San Francisco, CA

RSVP

Come with any mobile app idea, whether it's a …

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By miraculous1 of mir.aculo.us 4 days ago.
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Here's some things you need to make a successful web app:

A plan to make an application that helps real people to make their lives easier, solving a well-researched problem

Understand human psychology

Know how design, both in terms of UX flow and visual design

A marketing plan, to tell potential customers that your app solves their problem

A text editor

A web server

Probably some sort of database

A payment processor of sorts

Good security from the start

An understanding …

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By John Resig of John Resig 6 days ago.
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Inspired by the incredible work that Jennifer Dewalt completed last year, in which she taught herself programming by building 180 web sites in 180 days, I felt compelled to try a similar tactic: working on my side projects every single day.

Illustration by Steven Resig

I decided to set a couple rules for myself:

I must write code every day. I can write docs, or blog posts, or other things but it must be in addition to the code that I write.

It must be useful code. No …

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By Lucas Mazza of Plataformatec Blog 8 days ago.
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Take some time and upgrade one of your Rails 4 apps and try out some of the new features! I bet that some of them will help you improve your codebase or make your coworkers life a bit easier, and we are eager to hear from your experience with the 4.1 release.

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By Fredric Paul of New Relic 2 days ago.
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Voices.com , an online marketplace for voice talent, uses data to determine where to spend its time and resources for maximum impact - making sure its 250,000 global users have a great experience by improving application response time by 50%, and helping developers fix errors in minutes rather than hours

Mobile fitness app RunKeeper uses data to reduce waste and make sure it receives and responds to all the service requests from its 26 million iOS and Android users - all …

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By Joey of Global Nerdy 1 day ago.
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Or like Rey Faustino , who I wrote about last month. He grew up in a working-class family in Southern California that relied on social services to make ends meet. Now he's working on fixing the problems he remembered as a child through One Degree, which is a Yelp-like platform that helps Bay Area families find the right non-profits and social services for them. It's supported by Y Combinator and has thousands of users.

Many of the people who come here …

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Other the last few days, the Percona team has spent a lot of time evaluating the impact of the Heartbleed bug ( CVE-2014-0160) for our customers and for the users of our software. We published a formal disclosure a few days ago. However, I thought a quick summary and some additional information would be good to provide for our MySQL Performance Blog readers.

First, I want to point out that " Heartbleed" is an issue in a commonly used third-party library which typically …

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Here is the rough list of iterations we worked through in developing this tool/process:

Standard pt-heartbeat update/monitor

Asynchronous, threaded update/monitor tool

Synchronized (via zeroMQ), threaded version of the tool

pt-heartbeat

Initially, we had been running pt-heartbeat (with default interval of 1.0) to monitor real replication delay. This was fine for general alerting, but didn't allow us to gain deeper insight into the running slaves. Even when pt-heartbeat …

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By Joey of Global Nerdy 6 days ago.
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He's got a couple of articles on avoiding the staircase of doom in certain situations:

Using dispatch groups to wait for multiple web services: If your app needs to make a number of web services calls, all independent and started by a single method, Turton suggests using a dispatch group to do the job. "A dispatch group monitors work that has been added to it," he writes, "and it will know when that work is done."

Stop nesting animation blocks: " …

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By Todd Hoff of High Scalability 5 days ago.
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Remember the Content Addressable Web? Your kids won't. The mobile web vs apps is another front on the battle between open and closed systems .

In Public Cloud Instance Pricing Wars - Detailed Context and Analysis Adrian Cockcroft takes a deep stab at making sense of the recent price cuts by Google, Amazon, and Microsoft. AWS users should migrate to the new m3, r3, c3 instances; AWS and Google instance prices are essentially the same for similar specs; Microsoft…

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