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Updated: 6 hours 43 min ago

An Approach to UML Diagrams and ER Models Bearable for a Software Engineer

Mon, 2015-04-20 08:00
As part of my current job at Groupon I have to create diagrams, those nice pictures which make project managers happy. I write basic UML diagrams (State diagrams and Activity diagrams) together with Entity-Relationship diagrams (yes, the ones for the DB). Preview Text:  As part of my current job at Groupon I have to create diagrams, those...
Categories: Java

Are We Seeing the Emergence of Platforms for Drones?

Mon, 2015-04-20 08:00
When Linux first emerged in the early 90s it was something of a well kept secret.  Whilst it undoubtedly delivered incredibly successful results in terms of the creation of a world-class operating system, there was much less exploration of operations of the community itself.
Categories: Java

MySQL and Application Servers Connection Pool

Mon, 2015-04-20 08:00
As we discussed in the past, MySQL is very lightweight in terms of connections creation and closure overhead, and therefore classic LAMP installations rarely use it.However, some application frameworks such as Java and Ruby tend to use it and in these cases it is recommended to adjust some configurations in order to avoid long connections cuts. Preview Text:  ...
Categories: Java

The Cloudcast #187 - API Performance Monitoring

Mon, 2015-04-20 08:00
 Download the MP3 Date: April 17, 2015 By: Aaron Delp and Brian Gracely Preview Text:  Aaron talks to John Sheehan (@johnsheehan; CEO of Runscope - @runscope) about the differences between API and application development, testing, performance, and monitoring. Legacy Sponsored:  ...
Categories: Java

More on (Transactional) MySQL Metadata Locks

Mon, 2015-04-20 08:00
Originally Written by Valerii Kravchuk Preview Text:  Two years ago Ovais Tariq had explained in detail what kinds of problems existed before MySQL introduced metadata locks in 5.5.3 and how these locks help to prevent them. Still, some implications of metadata locking in MySQL remain unclear for users... Legacy ...
Categories: Java

Livestream: O'Reilly Fluent Conference 2015

Mon, 2015-04-20 08:00
Fluent is for everyone who has a hand in web development, from front-end to back-end and everything in between. Get practical training on the latest in HTML5, CSS3, JavaScript, and the frameworks that build on those technologies. We're happy to provide a livestream of Fluent Conference 2015 here on DZone: Preview Text:  The O'Reilly...
Categories: Java

What Programming Language Should I Learn?

Mon, 2015-04-20 07:30
Several times a week I am asked by a contact/reader/someone on Reddit for advice on what they should learn next. The question comes from both junior and experienced programmers, and has been posed both as open-ended (“What should I learn?“) and multiple choice (“Python or Ruby?“, “Django or Flask?“, “iOS or Android?“, etc.). Preview Text:  ...
Categories: Java

Planning Software Development with a Time Machine

Mon, 2015-04-20 07:30
I have an amazing time machine that lets me think better about projects. This is part 3 in a series of blog posts exploring the use of a time machine.In order to get a handle on how to build a feature for your next iteration, take a trip with your time machine to the future to watch how the feature will be demonstrated.It’s often hard for developers to focus on exactly what tasks needs to be...
Categories: Java

Internet of Things MQTT Quality of Service Levels

Mon, 2015-04-20 07:30
Next week Red Hat is hosting a Virtual Event, Preview Text:  Message Queue Telemetry Transport (MQTT) is a Client Server publish/subscribe messaging transport protocol. It is light weight, open, simple, and designed so as to be easy to implement. These characteristics make it ideal for use in many situations. Legacy ...
Categories: Java

Collaborator’s New API Feature – Part 1

Mon, 2015-04-20 07:30
 This is part one of the technical series about Collaborator’s new API feature. Collaborator has a brand new API, and I wanted to see what I could do with it. But what would be useful? What benefit would this have, other than being a learning experience for me? Preview Text:  This is part one of the technical series about Collaborator’s...
Categories: Java

The ARA Cloud Revolution is HERE: Announcing ElectricFlow 5.4 Release

Mon, 2015-04-20 07:30
[This article was written by Josh Pederson.] Preview Text:  Traditionally requiring a combination of scripts, 3rd party tools, and cloud platform consoles, DevOps teams have had to hand-roll their own solutions. With the ElectricFlow 5.4 release we’ve brought the configuration, provisioning, and management of cloud resources into a singular...
Categories: Java

On Neo4j Indexes, Match & Merge

Mon, 2015-04-20 07:30
We at Neo4j do our fair share to cause confusion of our users. I’m talking about indexes my friends. My trusted colleagues Nigel Small – Index Confusion and Stefan Armbruster – Indexing, an Overview already did a great job explaining the indexing situation in Neo4j. I want to add a few more aspects here. Preview Text:  We at Neo4j do our...
Categories: Java

Apple Pay Vs Google Wallet: Which One is Better for Mobile Payments?

Mon, 2015-04-20 06:41
Apple pay and Google wallet both of these are mobile payment platforms, allowing users to make payment form their smart devices. Basically both the systems are working with NFC Hardware and a wireless communication and a contact less payment terminal. It will allow users to make a payment from their respective mobile devices when they bring their phone near terminal, without using a credit or...
Categories: Java

The Best of the Week (April 10- April 17): Performance Zone

Sun, 2015-04-19 08:00
Make sure you didn't miss anything with this list of the Best of the Week in the Performance Zone (April 10 - April 17). Here they are, in order of popularity: Preview Text:  Make sure you didn't miss anything with this list of the Best of the Week in the Performance Zone (April 10 - April 17). Legacy ...
Categories: Java

You Cannot Have Exactly-Once Delivery

Sun, 2015-04-19 08:00
I’m often surprised that people continually have fundamental misconceptions about how distributed systems behave. I myself shared many of these misconceptions, so I try not to demean or dismiss but rather educate and enlighten, hopefully while sounding less preachy than that just did. I continue to learn only by following in the footsteps of others. In retrospect, it shouldn’t be...
Categories: Java

Spliting a Node in a Tree

Sun, 2015-04-19 08:00
If we grow a tree with standard functions in R, on the same dataset used to introduce classification tree in some previous post, > MYOCARDE=read.table( + "http://freakonometrics.free.fr/saporta.csv", + head=TRUE,sep=";") > library(rpart) > cart<-rpart(PRONO~.,data=MYOCARDE) we get Preview Text:  Different ways of splitting a node...
Categories: Java

One on Ones or "Get to Know Your Team"

Sun, 2015-04-19 08:00
After blogging about advice for individual contributors and performance rating preparation, I will spend the next few months blogging about good practices for supervisors. This is close to my heart as I fully subscribe to what a former boss once told me: “There is no point complaining about our work culture, start with your part of the organisation and make it a great place to work. The further...
Categories: Java

Geek Reading April 17, 2015

Sun, 2015-04-19 08:00
Well, it is obviously data day because there are a lot of data-related articles today. Google Cloud Platform announced the availability of Google Cloud Dataflow. Docker and Microsoft released a Docker Client for Windows. For those of you who want some light reading, High Scalability talks about the Google Borg paper. As always, enjoy today’s items, and please participate in the discussions on...
Categories: Java

The Best of the Week (Apr 10): Enterprise Integration Zone

Sun, 2015-04-19 08:00
Make sure you didn't miss anything with this list of the Best of the Week in the Enterprise Integration Zone (April 10 - April 17). Here they are, in order of popularity: 1. Lattice and Spring Cloud: Resilient Sub-structure for Your Cloud-Native Spring Applications We believe that the development of cloud-native application architectures is the next great evolutionary phase of enterprise...
Categories: Java

The Best of the Week (Apr 10): Cloud Zone

Sun, 2015-04-19 07:31
Make sure you didn't miss anything with this list of the Best of the Week in the Cloud Zone (April 10 - April 17). Here they are, in order of popularity: 1. Lattice and Spring Cloud: Resilient Sub-structure for Your Cloud-Native Spring Applications We believe that the development of cloud-native application architectures is the next great evolutionary phase of enterprise application...
Categories: Java

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