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Social Media, Social Good: 7 Apps that Can Help Save the World

Javalobby Syndicated Feed - Sat, 22-Nov-14 22:00
Preview Text:  Social networking and mobile apps have become an integral part of the way we socialize and go about our day-to-day routines, and charities are increasingly utilizing them to increase awareness. Here are seven apps that incorporate the things you do on a daily basis that can help make the world a better place. ...
Categories: Java

R: dplyr - Group by field dynamically

Javalobby Syndicated Feed - Sat, 22-Nov-14 00:00
‘regroup’ is deprecated / no applicable method for ‘as.lazy’ applied to an object of class “list” A few months ago I wrote a blog explaining how to dynamically/programatically group a data frame by a field using dplyr but that approach has been deprecated in the latest version. To recap, the original function looked like this: Preview Text:  ...
Categories: Java

Engineering Joke of the Week: The Frog

Javalobby Syndicated Feed - Sat, 22-Nov-14 00:00
A young engineer was crossing a road one day when a frog called out to him and said, “If you kiss me, I’ll turn into a beautiful princess.” He bent over, picked up the frog and put it in his pocket. The frog spoke up again and said, “If you kiss me and turn me back into a beautiful Princess, I will stay with you for one week.” The young engineer took the frog out of his pocket, smiled...
Categories: Java

Adding Gzip Compression in CXF APIs and Interceptors

Javalobby Syndicated Feed - Fri, 21-Nov-14 23:30
Nowadays it has become mandatory to Gzipping the APIs response due to huge amount of data we are sending in response. It saves network bandwidth and delivery time and off course space over the internet. While using CXF; it provides an option to use the Gzip Compression in no of ways. Preview Text:  Nowadays it has become mandatory to Gzipping the...
Categories: Java

SpringOne2GX 2014 Replay: Developer Tooling - What's New and What's Next

Javalobby Syndicated Feed - Fri, 21-Nov-14 23:30
Recorded at SpringOne2GX 2014.Speakers: Andy Clement, Martin LippertSlides: http://www.slideshare.net/SpringCentral/developer-tooling-whats-new-and-whats-next Preview Text:  In this talk we take a look at the latest changes and new features of the Spring Tool Suite Legacy Sponsored:  ...
Categories: Java

De-Mystifying Software-Defined Storage

Javalobby Syndicated Feed - Fri, 21-Nov-14 23:00
Software-defined Storage (SDS) is being spoken about everywhere these days and various definitions of SDS are floating! This write-up is an attempt to represent SDS in simple language!Storage has traditionally been defined and managed in software only – create LUNs/volumes or NFS/CIFS shares on storage arrays and export them! So, why is the industry abuzz with Software-defined Storage and how...
Categories: Java

Build And Share Developer Environments in Your Browser

Javalobby Syndicated Feed - Fri, 21-Nov-14 23:00
During the recent years, we have seen an incredible progress of technologies aimed at simplifying life of developers. Creating, configuring and sharing developer environments can be quite messy even though there are brilliant solutions out there. Vagrant+VirtualBox solutions have made virtualization of developer environments easy and almost hassle-free, while emergence of Docker has hugely...
Categories: Java

The Best of the Week (Nov. 21): DevOps Zone

Javalobby Syndicated Feed - Fri, 21-Nov-14 23:00
Make sure you didn't miss anything with this list of the Best of the Week in the DevOps Zone (November 14 - November 21). Here they are, in order of popularity:1. A Guide to Ansible GalaxyI've started using more and more from Ansible Galaxy. For those of you who don't know, Galaxy is a community "app store"-like thing for sharing reusable Ansible Roles. Preview Text:  ...
Categories: Java

Big Data, The Cloud and Wearable Technology

Javalobby Syndicated Feed - Fri, 21-Nov-14 23:00
Using big data, the cloud and wearable technology efficiently will be key to success for small businesses and enterprise level organizations. Discovering the full potential of big data, the cloud and wearable technology will come over time. Here are few things happening around the world with these three unique opportunities for greater business success.The Potential of Big Sata Preview...
Categories: Java

A XSS filter for Java EE web apps

Javalobby Syndicated Feed - Fri, 21-Nov-14 22:55
Cross Site Scripting, or XSS, is a fairly common vector used to attack web sites. It involves user generated code being redisplayed by a website with all the privileges and security rights that a browser assigns to code originating from the current host. If the user code is something like <script>doEvil();</script>, then you have a problem. Preview Text:  ...
Categories: Java

Making Backups VPS - How to Stop Worrying About Your Data

Javalobby Syndicated Feed - Fri, 21-Nov-14 22:30
When hosting was gone into oblivion, it was too late to worry. Our website died on Friday, in the middle of intensive promotion. It was not possible to reach the tech support. Our colleagues were just shrugging. We were lucky enough since one of our developers had the old copy of the website. We have restored the data and the project has been saved. However, no one wanted to risk in the same way...
Categories: Java

ExecutorService - 10 Tips and Tricks

Javalobby Syndicated Feed - Fri, 21-Nov-14 00:00
ExecutorService abstraction has been around since Java 5. We are talking about 2004 here. Preview Text:  ExecutorService abstraction has been around since Java 5. We are talking about 2004 here Legacy Sponsored:  unsponsored
Categories: Java

Does Agile require cultural change?

Javalobby Syndicated Feed - Fri, 21-Nov-14 00:00
If Woody Allen were an Agile Coach Consultant he might say: “#Agile without culture change is an empty experience; but as empty experience go its one of the best” I sit in Agile conferences (and I include Lean and Kanban here) and I hear people say “To really become Agile you need culture change.” And I agree with them. Yes, if you really want to be Agile, and get the greatest...
Categories: Java

Is Docker The Right Abstraction For PaaS?

Javalobby Syndicated Feed - Fri, 21-Nov-14 00:00
Docker has been quickly adopted by nearly everyone and incorporated into everything from cloud technologies, to continuous integration and build systems, to solo developers working exclusively on their laptop. Heck, even Microsoft is getting in on this! It was born in PaaS (dotCloud) and this is the place where it makes a lot of sense. Ephemeral fast-starting single-process containers that...
Categories: Java

Interview with the Ghost of MongoDB Scalability

Javalobby Syndicated Feed - Thu, 20-Nov-14 23:31
Originally Written by Shane Johnson Have you heard the rumors about the Ghost of MongoDB Scalability? Do you know someone who came close to finding it? Have you been haunted by it? These are the questions that keep me up at night. Preview Text:  Have you heard the rumors about the Ghost of MongoDB Scalability? Do you know someone who came close...
Categories: Java

Zero to 1 Billion Records: A True Story of Learning and Scaling MongoDB at GameChanger

Javalobby Syndicated Feed - Thu, 20-Nov-14 23:31
Originally Written by Meghan Gill"Scaling is the process of decoupling load from latency." -- Kiril Savino In his talk "Zero to 1 Billion+ Records: A True Story of Learning & Scaling GameChanger", Kiril Savino charts the course of GameChanger's increasingly sophisticated use of MongoDB as they grew in popularity and faced increasing scale requirements. Preview Text:  ...
Categories: Java

Interrupting Executor Tasks

Javalobby Syndicated Feed - Thu, 20-Nov-14 23:30
There’s this usecase that is not quite rare, when you want to cancel a running executor task. For example, you have ongoing downloads that you want to stop, or you have ongoing file copying that you want to cancel. So you do: Preview Text:  There's this use case that is not quite rare, when you want to cancel a running executor task. For...
Categories: Java

First Java 8 Experience

Javalobby Syndicated Feed - Thu, 20-Nov-14 23:30
Like the rest of the world, I fell deeply in love with Slack. Why? Lot of reasons, but the main one is it provides a new means of really building the SDLC process around communication rather than tools. Which do you think is more common these days, the team of disorganized nitwits meandering around in the wilderness unable to execute despite a brilliant idea and much talent? or the team...
Categories: Java

R: Joining multiple data frames

Javalobby Syndicated Feed - Thu, 20-Nov-14 23:30
I’ve been looking through the code from Martin Eastwood’s excellent talk ‘Predicting Football Using R‘ and was intrigued by the code which reshaped the data into that expected by glm. The original looks like this: Preview Text:  I’ve been looking through the code from Martin Eastwood’s excellent talk ‘Predicting Football Using R‘...
Categories: Java

Replacing Backlog Grooming

Javalobby Syndicated Feed - Thu, 20-Nov-14 23:30
Originally written by Derek Huether at LeadingAgile.  Preview Text:  Over the last few years, I’ve worked with numerous teams. One thing they all struggle with is backlog grooming. Over the last few years I have evolved my practice of backlog grooming. Legacy Sponsored:  ...
Categories: Java

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