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Jorge Ramon11/11/14
3798 views
0 replies

Ext JS Grid Grouping Tutorial

This tutorial shows you how to create a grouped grid in Ext JS. Ext JS grid grouping is a common scenario in business applications where users need to analyze tabular data grouped by different attributes. The Ext JS application that you will create in this tutorial will render an Ext JS grid containing fictional data describing model cars.

Allen Coin11/11/14
5776 views
0 replies

Raspberry Pi Gets Smaller and Cheaper

IoT tinkerers rejoice! Yesterday, the Raspberry Pi Foundation announced the launch of the new Model A+. The A+ is smaller, more efficient, and costs less.

Steve Hanov11/11/14
957 views
0 replies

Finding Bieber: On Removing Duplicates from a Set of Documents

So I have two million song lyrics in a big file. Don't ask me how I got it. The point is that I want to find the most poetic phrase of all time. Using Python, I'll show you how to find duplicate codes and find the most poetic phrase of all time.

Allan Kelly11/10/14
2538 views
0 replies

#NoProjects/#BeyondProjects: A Developer Footnote

During the post-conference drinks I was chatting with a developer - Matt from New Zealand if my memory serves - and he came out with what some might think was a surprising comment. He said: “I’d never thought of a project like that before.”

Mike Driscoll11/10/14
3085 views
0 replies

Plotting Data Online via Plotly and Python

I don’t do a lot of plotting in my job, but I recently heard about a website called Plotly that provides a plotting service for anyone’s data. They even have a plotly package for Python (among others)! So in this article we will be learning how to plot with their package. Let’s have some fun making graphs!

Kosta Stojanovski11/10/14
5904 views
0 replies

Man, Woman, Dog: A Task from the Past

This article describes solutions for an exercise that was given to students by economics faculty who visited my computer science department 10 years ago. The task is relatively easy but somehow we couldn't manage it at that time. The program had to be written in C, which we didn't know well and was one of the reasons for the failure. Two weeks ago I decided to finish this problem so I sat in front of my PC and implemented two possible solutions for it in Java.

Paul Hammant11/10/14
3311 views
0 replies

The Pervasive Inbox

Email is older than the web, and it’s way past due for an improvement. We want to see JavaScript turned on in email packages. I feel that is inevitable, and it’d be nice to have a product that can immediately take advantage when that happens.

Rob Galanakis11/10/14
6886 views
3 replies

If you hear "perception is reality" you're probably being screwed

I was once told in a performance review that “perception is reality.” I was infuriated, and the words stuck in my mind as the most toxic thing a manager could say to an employee. Let me tell you what “perception is reality” means, and why you should plan on leaving your job the moment you hear it:

Benjamin Ball11/10/14
2605 views
0 replies

The Best of the Week (Oct 31): Performance Zone

Make sure you didn't miss anything with this list of the Best of the Week in the Performance Zone (October 31 - November 07). This week's topics include scalabable lists for java, scalability obstacles, logging processes, getting an application version number, and flash storage security.

Ayende Rahien11/09/14
6489 views
0 replies

Career Planning: Disaster Recovery

One of the more important things that you have to remember is that you should always be ready for failure. As developers, we are used to thinking about stuff like that in our code, but this is true for real life as well.

Ajitesh Kumar11/09/14
7223 views
0 replies

Learn R: Hello World with R

This article represents some of the basic concepts you need to understand in order to write a Hello world using the R programming language.

Alec Noller11/08/14
12518 views
6 replies

Leave us a Comment: What Are You Working On?

Developers have a tendency to work a lot. Maybe your job is a grueling nine-to-five torture, or maybe it's a dream come true. Either way, there's a good chance that you go home and keep working on something of your own. Well, we want to hear about it! Leave a comment and let us know what you're working on.

John Cook11/07/14
4413 views
0 replies

How well does sample range estimate range?

I’ve been doing some work with Focused Objective lately, and today the following question came up in our discussion. If you’re sampling from a uniform distribution, how many samples do you need before your sample range has an even chance of covering 90% of the population range?

Mike Driscoll11/06/14
618 views
0 replies

PyWin32: How to Get an Application’s Version Number

This article will show you how to check an application version number on Windows. This can be helpful if you need to check if key software needs to be upgraded or perhaps you need to make sure it hasn’t been upgraded because some other application requires the older version.

Brian Swartzfager11/06/14
3674 views
0 replies

Task-based web browsing: Grunt and the grunt-open plugin

So in the directory where this Gruntfile.js lives, I just have to type "grunt webhumor' in the command, and Grunt will open the appropriate sites. Not a huge timesaver, but kinda cool.