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Arthur Charpentier11/13/14
2805 views
0 replies

Extracting Datasets from Excel Files in a Zipped Folder

The title of the post is a bit long, but that’s the problem I was facing this morning: importing datasets from files, online. I mean, it was not a “problem”, more a challenge (I should be able to do it in R, directly)

Mohamed Radwan11/13/14
705 views
0 replies

Deploying SSDT During Local and Server Build

As you may already know that a new version of SSDT (SQL Server Data Tool) has been released with VS 2012 to replace the normal VS DB project that was existing with VS 2010 and of course the deployment changed. Now we have a feature called publish profile which you can put all your setting in that file and use it afterwards to deploy the DB.

Peter Zaitsev11/12/14
2225 views
0 replies

How to Deal with MySQL Deadlocks

A deadlock in MySQL happens when two or more transactions mutually hold and request for locks, creating a cycle of dependencies. In a transaction system, deadlocks are a fact of life and not completely avoidable.

Jonathan Callahan11/12/14
2009 views
0 replies

Using R: R Class for Wildfire Scientists

Mazama Science has just finished creating class materials on using R for the AirFire team at the USFS Pacific Wildland Fire Sciences Lab in Seattle, Washington. Autodidacts new to R should take about 20-30 hrs to complete the course.

Mike Bushong11/11/14
1683 views
0 replies

Conformity as an inhibitor to strategy

Our hard-wired need to conform flies against our desires to be different an innovative. As you consider strategy, you should make sure that you are not subconsciously shackling your ideas to the rest of the industry. But the good news is that because conformity is so popular, the few that are able to get past it end up in a remarkably powerful position.

Jorge Ramon11/11/14
3746 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.

Lukas Eder11/11/14
3721 views
3 replies

Painless Access from Java to PL/SQL Procedures with jOOQ

PL/SQL is one of those things. Most people try to stay clear of it. Few people really love it. I just happen to suffer from stockholm syndrome, since I’m working a lot with banks.

Joydeep Das11/11/14
918 views
0 replies

WINDOW Function

The function named WINDOW belongs to the SET Function and it applies to the set of rows. SQL Server has had only a partial implementation up to now, but it is coming in SQL 2012. Without going too deep into the WINDOW function, we go straight to an Example to understand it in a better way.

Allen Coin11/11/14
5734 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.

Allan Kelly11/10/14
2525 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.”

Kosta Stojanovski11/10/14
5871 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.

G. Ryan Spain11/10/14
203 views
0 replies

The Best of the Week (Oct. 31): SQL Zone

Make sure you didn't miss anything with this list of the Best of the Week in the SQL Zone (October 31 - November 07). Including Hibernate Collections Optimistic Locking, MySQL full text search Q&A, and an interview with Facebook MySQL DB engineers.

Paul Hammant11/10/14
3294 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
6856 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
1042 views
0 replies

The Best of the Week (Oct 31): 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 31 - November 07). This week's topics include getting started with Hadoop and MapReduce, data structural integrity, Big Data goals, prediction intervals, JSF versus JSP with CRUD applications.