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Pivotal Cloud Foundry Performance Monitoring

Discover faster, more efficient performance monitoring with an enterprise APM product learning from your apps. Take the AppDynamics APM Guided Tour! One of the core strengths of Pivotal Cloud Foundry is its well-established, consistent and practical method of deploying applications. PCF provides the same user experience when deployed over different IaaS layers, and the same developer experience regardless of application ...

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[MEGA DEAL] Ethical Hacking A to Z Bundle (96% off)

Break Into the Lucrative World of Ethical Hacking with Over 45 Hours of Immersive Content Hey fellow geeks, This week, on our JCG Deals store, we have another extreme offer. We are offering a massive 96% off on Ethical Hacking A to Z Bundle. Get it now with only $39, instead of the original price of $1273. Complete Ethical Hacking ...

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Leaders Manage Uncertainty

One of the problems I see in projects and organizations is when people wish for certainty. Too many agile project managers and Scrum Masters want a known velocity. They don’t realize that velocity is a relative capacity measurement, not a guarantee. Product managers, the people who manage the project portfolio, all seem to want certainty the teams will deliver finished ...

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Why debugging in production is so tempting?

Debugging in Production Why debugging in production is so tempting? In one of my first jobs, one of the tasks I had was to fix a bug which used to occur from time to time in a very complex production system. That is easy! – I thought. I will reproduce the same situation in my development environment, find the broken ...

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Estimation, planning, teams and money, some data

When I deliver Agile training for teams I run an exercise called “The Extended XP Game”. It is based on the old “XP Game” but over the years I’ve enhanced it and added to it. We have a lot of fun, people are laughing and they still talk about it years later. The game illustrates a lot of agile concepts: iteration, business ...

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GraphQL on Wildfly swarm


“GraphQL is a query language for APIs and a runtime for fulfilling those queries with your existing data. GraphQL provides a complete and understandable description of the data in your API, gives clients the power to ask for exactly what they need and nothing more, makes it easier to evolve APIs over time, and enables powerful developer tools.” – from ...

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Java Stream ORM Now with JOINs

Speedment is a Java Stream ORM Toolkit and Runtime that allows you to view database tables as standard Java Streams. Because you do not have to mix Java and SQL, the application becomes much more compact making it faster to develop, less prone to errors and easier to maintain. Streams are also strictly type-safe and lazily constructed so that only ...

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Don’t Be a “One-Trick Pony” Manual Tester

I remember seeing ponies when my parents took me to the circus. They were an important part of the show and impressed the audience with agility, jumping over obstacles and walking on two feet. The pony act was so varied that it was difficult to get bored of it, even if you were attending the show on consecutive days. But ...

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Monitoring and managing your backup system


Last time we set up a sturdy backup system, now we will look at how we monitor backup sets. We need to verify that backup sets are properly cleaned up – this is called a delete policy – and that they are consistent – this is called a consistency policy. A backup set can consist of several file sets. A ...

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