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Dharshan Rangegowda08/26/14
3274 views
0 replies

Understanding durability & write safety in MongoDB

Durability is the "D" in the "ACID" properties popularized by traditional RDBMS. Durability is the guarantee that written data has been saved and will survive permanently. NoSQL databases like MongoDB give developers fine grained control over the durability of their write calls.

Saurabh Chhajed08/26/14
3912 views
3 replies

How to Setup Realtime Analytics over Logs with ELK Stack

The ELK stack is ElasticSearch, Logstash and Kibana. These three provide a fully working real-time data analytics tool for getting wonderful information sitting on your data.

Dave Bush08/25/14
1758 views
0 replies

JavaScript Performance Tweaks

So, I started reading High Performance JavaScript recently and I thought now might be a good time to give a summary of what I’ve learned so far.

Rob Galanakis08/25/14
7267 views
1 replies

The low status of software engineers

Bill had two very different experiences interviewing for two different positions at two different companies: one as a software engineer, and one as a VP-level manager.

Bob Hartman08/25/14
4938 views
0 replies

Scrum Basics: When Should We Schedule Sprint Transitions?

For a one week sprint, it’s possible to do Review, Retrospective, and Planning all on Wednesday morning.

Ian Mitchell08/25/14
4000 views
0 replies

Counting Chickens: Undone Work in Scrum

By definition, any work that has not been completed to the satisfaction of the DoD remains undone. Taking work off a Product Backlog just because it is on a Sprint Backlog is therefore precocious and a mistake.

Kin Lane08/22/14
21926 views
31 replies

Sorry Google, Your Programming Test Is Not A Valid Measurement Of My Skills

I understand that you have to qualify large number of folks, at your very algorithmic-centric company, but when it comes to measuring what I do, a programming test isn’t a thing.

Giuseppe Vettigli08/22/14
4828 views
0 replies

Quick HDF5 with Pandas

HDF5 is a format designed to store large numerical arrays of homogenous type. It cames particularly handy when you need to organize your data models in a hierarchical fashion and you also need a fast way to retrieve the data. Pandas implements a quick and intuitive interface for this format and in this post will shortly introduce how it works.

Abby Fichtner08/22/14
7388 views
0 replies

Why We Need to Teach Kids to Code

Coding (computer programming) is the art of creating anything from computer games and iPhone apps to computational models that help us improve health care. As our kids grow up, this ability to code will become as fundamental as reading and writing to their success, regardless of what occupation they ultimately choose.

Chen Harel08/22/14
7912 views
0 replies

Route 53 Benchmark: The New AWS Geolocation's Surprising Results

How to choose between Geolocation and Latency routing? We tested DNS configurations across multiple EC2 regions using AWS Route 53 to find out

Chandra Munagavalasa08/22/14
3308 views
0 replies

Maximize your Customer Value – Think Lean, Go Lean and Stay Lean

Lean is more than just minimizing waste. A popular misconception of Lean is that it is suited only for manufacturing. In this article I will be discussing non-value added process and implementing Lean in software development.

Derwyn Harris08/21/14
11167 views
0 replies

The Need To Review The Agile Manifesto

Since the Agile Manifesto was published in 2001 much has changed. It's time to rethink yesterday’s manifesto in a new light and deconstruct which concepts were home runs and which still need to evolve.

Eric Minick08/21/14
6189 views
0 replies

The argument for testing performance in production

Performance testing still has its place. It’s awesome for existing applications when looking for changes that degrade performance, and for major application launches where the scalability absolutely has to be right the first time.

Ayende Rahien08/21/14
5317 views
6 replies

Question 6 is a trap, a very useful one

In my interview questions, I give candidates a list of 6 questions. They can either solve 3 questions from 1 to 5, or they can solve question 6. Question 6 requires that you create an index for a 15 TB CSV file, and allow efficient searching on it. While questions 1 – 5 are basically gate keeper questions.

Michael Crump08/21/14
4698 views
0 replies

My Angular App is Broken after Upgrading to the Latest Beta

I have been experimenting with AngularJS for a couple of months. After upgrading to 1.3.0-beta.18, I noticed the following code didn't work. I was previously using the latest stable build which is 1.2.22 as shown below: