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Antonio Santiago10/26/14
2852 views
0 replies

7 reasons to use Yeoman's angular-fullstack generator

For my next project and, after looking for candidates and reading some hundreds of lines of documentation, I finally choose to work with the so called MEAN stack: mongodb, express, angular and node.

Giuseppe Vettigli10/26/14
2433 views
0 replies

Andrews Curves

Andrews curves are a method for visualizing multidimensional data by mapping each observation onto a function. It has been shown the Andrews curves are able to preserve means, distance (up to a constant) and variances. Which means that Andrews curves that are represented by functions close together suggest that the corresponding data points will also be close together.

David Gelperin10/26/14
5224 views
1 replies

Prudent Agile

Today's Agile is reckless. Consider a prudent alternative.

John Cook10/26/14
5706 views
1 replies

Experts vs Professionals

Working with professionals can be a joy. Not only can they solve your problem, they may help you see what problem you should solve. Experts, however, are not always so pleasant to work with.

Maarten Ectors10/26/14
5799 views
0 replies

Sentiment Analysis Beyond Tweets

Deep belief networks have made it possible to train computers to predict if a sentence is positive, negative or neutral. Most sentiment analysis captures headlines because tweets can be analysed. However are there business applications beyond social networking analytics? Here are five examples:

Alec Noller10/26/14
1662 views
0 replies

The Best of the Week (Oct. 17): NoSQL Zone

Make sure you didn't miss anything with this list of the Best of the Week in the NoSQL Zone (October 17 - October 24). This week's best include MongoDB incremental migration scripts, how to connect to MongoDB form a Java EE stateless application, solutions for Redis running slowly, and more.

Mark Needham10/26/14
1861 views
2 replies

R: Linear models with the lm function, NA values and Collinearity

In my continued playing around with R I’ve sometimes noticed ‘NA’ values in the linear regression models I created but hadn’t really thought about what that meant. On the advice of Peter Huber I recently started working my way through Coursera’s Regression Models which has a whole slide explaining its meaning:

G. Ryan Spain10/26/14
3066 views
0 replies

The Best of the Week (Oct. 17): SQL Zone

Make sure you didn't miss anything with this list of the Best of the Week in the SQL Zone (October 17 - October 24). Here they are, in order of popularity...

Benjamin Ball10/26/14
698 views
0 replies

The Best of the Week (Oct 17): Big Data Zone

Make sure you didn't miss anything with this list of the Best of the Week in the Big Data Zone (October 17 - October 24). This week's topics include an Apache Hadoop FAQ for executives, information retrieval with Apache Lucene and Tika, and validating configuration.

Remy Sharp10/25/14
7006 views
0 replies

Adding an (SHA256 signed) SSL certificate

This walkthrough explains how to add an SSL certificate to your server. This is based on using a linux based machine (in my case Ubuntu) and nginx as the server.

Steven Lott10/24/14
2151 views
1 replies

Using Bottle as a miniature demo server

Bottle doesn't do much. But what little it does do is a pretty tidy fit with tiny little demonstrations of super-simple HTML interactions.

Gen Furukawa10/24/14
6191 views
1 replies

How Is Google Analytics So Damn Fast?

TL; DR: Google Analytics stores a massive amount of statistical data from web sites across the globe. Retrieving reports quickly from such a large amount of data requires Google to use a custom solution that is easily scalable whenever more data needs to be stored.

Peter Zaitsev10/24/14
3227 views
0 replies

How to Avoid Hash Collisions When Using MySQL’s CRC32 Function

Percona Toolkit’s pt-table-checksum performs an online replication consistency check by executing checksum queries on the master, which produces different results on replicas that are inconsistent with the master – and the tool pt-table-sync synchronizes data efficiently between MySQL tables.

Anders Abel10/24/14
6428 views
0 replies

Partial Commits with Git

Every once in a while I’m working on a feature, only to discover that I need to extend another part of the code first. If I was disciplined, I would create another branch at that point. But I’m not.

Allan Kelly10/24/14
6777 views
0 replies

Contracts for Agile

Last week I did a presentation to the Agile 4 Agencies meet up group on the topic of “Agile Contracts” - although I believe “Contracts for Agile” might have been a better title.