• submit to reddit
Mike Cottmeyer08/27/14
3165 views
0 replies

Why Iterative Planning?

Planning and elaboration go hand in hand as items move from unknown problem -unknown solution to known problem-unknown solution to known problem – known solution.

Venkatesh Kris...08/27/14
1736 views
0 replies

Measuring Business Value in Agile Projects

During backlog creation, user stories need to be compared and contrasted in order to promote maximum value delivery. The product owner might need to use different techniques, such as T-shirt sizing, in order to better prioritize the project’s stories.

Arthur Charpentier08/27/14
2990 views
0 replies

Computational Actuarial Science, with R

A collection of datasets, originally for the book ‘Computational Actuarial Science with R’ edited by Arthur Charpentier (CAS with R). Now, the package contains a large variety of actuarial datasets.

Dharshan Rangegowda08/26/14
2706 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
3129 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
1390 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
6446 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
4412 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
3419 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
14947 views
20 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
4205 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
6769 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
5048 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
2926 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.

Lorna Mitchell08/21/14
1913 views
0 replies

Running Multiple Versions of PHP

When I advise people about upgrading their PHP version, I say things like "just run your test suite with the new version" "just grab the new version and try your site with the built-in webserver". A couple of people recently have asked for more detail on how to actually achieve these things so here's a quick primer on getting new PHP without touching anything to do with your existing PHP installation.