Software Development
Development Stories
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Exploring Big Data Options in the Apache Hadoop EcosystemWith the emergence of the World Wide Web came the need to manage large, web-scale quantities of data, or “big data.” The most notable tool to manage big data has been Apache Hadoop. Let’s explore some of the open source Apache projects in the Hadoop ecosystem, including what they're used for and how they interact. | 
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When to Use Different Types of NoSQL DatabasesWeb-scale data requirements are greater than at a single organization, and data is not always in a structured format. NoSQL databases are a good choice for a larger scale because they're flexible in format, structure, and schema. Let’s explore different kinds of NoSQL databases and when it’s appropriate to use each. |
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A Simple Rule of Thumb for Unit TestingThere's a simple rule for the minimum values testers should explore: “none, one, some”—or, how the software behaves if you send it nothing, one thing, or some set greater than one. It's not comprehensive, but it gives a good feel for how the feature works at the moment. Developers can also use this in unit testing. | 
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Lower Risk of Downtime by Testing with Production TrafficTeams need a means of identifying potential bugs and security concerns prior to release—with speed and precision, and without the need to roll back or stage. By simultaneously running live user traffic against the current software version and the proposed upgrade, you can detect bugs while reducing risk and downtime. | 
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The Importance of Data Encryption in CybersecurityEncryption protects private data with unique codes that scramble the data and make it impossible for intruders to read. Despite a data breach, encryption ensures that an institution’s private data is safe, even when attackers get past the firewall. Here are four reasons to use data encryption cybersecurity measures. | 
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Change Is Hard, but BDD Is Worth ItBehavior-driven development is a methodology change that impacts the whole team, and unfortunately, it’s not as easy as writing scenarios in a specific format. What is the added value of BDD? Why should the team throw their current process out the window and try to incorporate a new methodology? Here are some reasons. | 
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Making the Product and Development Partnership ThriveThe product manager and the development lead partnering well together is a cornerstone of great product teams. The behavior they exhibit sets the standard for how the team cooperates, connects, and thrives. One great way to do this is getting closer to your customer. Here’s how this advice works with both protagonists. | 
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Building Maintainable Software: A Slack Takeover with Steve SmithThought leaders from the software community are taking over the TechWell Hub to answer questions and engage in conversations. Software architect and trainer Steve Smith, founder of Ardalis Services, hosted this Slack takeover and discussed producing testable code, writing maintainable tests, and boosting employability. | 
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