InfoQ Homepage Development Content on InfoQ
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On Abstractions and For-Each Performance in C#
Donald Knuth famously said, “We should forget about small efficiencies, say about 97% of the time”. But when faced with the other 3%, it is good to know what’s going on behind the scenes. So in this article we’ll be taking a dive into the foreach loop.
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Traffic Data Monitoring Using IoT, Kafka and Spark Streaming
Internet of Things (IoT) is an emerging disruptive technology and becoming an increasing topic of interest. One of the areas of IoT application is the connected vehicles. In this article we'll use Apache Spark and Kafka technologies to analyse and process IoT connected vehicle's data and send the processed data to real time traffic monitoring dashboard.
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RXJava by Example
In the ongoing evolution of paradigms for simplifying concurrency under load, the most promising addition is reactive programming, a specification that provides tools for handling asynchronous streams of data and for managing flow-control, making it easier to reason about overall program design. In this article we overcome the learning curve with a gentle progression of examples.
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Q&A: Relevant Search with Elasticsearch and Solr
In their book "Relevant Search", Doug Turnbull and John Berryman focus on the challenge of providing search results by balancing the needs and intents of the user. Using Elasticsearch and Solr, relevance engineers can constantly tune the needs of the business vs. the needs of the user.
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Big Data Processing with Apache Spark - Part 5: Spark ML Data Pipelines
With support for Machine Learning data pipelines, Apache Spark framework is a great choice for building a unified use case that combines ETL, batch analytics, streaming data analysis, and machine learning. In this fifth installment of Apache Spark article series, author Srini Penchikala discusses Spark ML package and how to use it to create and manage machine learning data pipelines.
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Java 9, OSGi and the Future of Modularity (Part 1)
The flagship feature of Java 9 will be the new Java Platform Module System (JPMS). Given the maturity of OSGi there were technical, political and commercial reasons why another Java module system will soon exist. In this article we compare the two from a technical perspective and see how JPMS and OSGi can work together.
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Polymorphism of MVC-esque Web Architecture: Classification
The MVC architecture has a long and storied history, from its early days in the Smalltalk community to its modern implementation in JavaScript frameworks. In this article, Brent Chen explains the history of the MVC architecture and its different forms in modern applications, both on the client and on the server.
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Pros and Cons of Cross-Platform Mobile App Development
The world has gone mobile. One of the most challenging situations for app developers is whether to develop a native mobile app or go for cross-platform. This article discusses the pros and cons of cross-platform mobile app development.
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Spark GraphX in Action Book Review and Interview
“Spark GraphX in Action” book from Manning Publications, authored by Michael Malak and Robin East, provides a tutorial based coverage of Spark GraphX, the graph data processing library from Apache Spark framework. InfoQ spoke with authors about the book and Spark GraphX library as well as overall Spark framework and what's coming up in the area of graph data processing and analytics.
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Designing with Exceptions in .NET
Exceptions are an integral part of working with .NET, but far too many developers don’t think about them from an API design perspective. Most of their work begins and ends with knowing which exceptions they need to catch and which should be allowed to hit the global logger. You can significantly reduce the time it takes to correct bugs if you design the API to use exceptions correctly.
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Introduction to SQL Server Containers
Containers are just around the corner for the Windows community, and this article takes a closer look at using SQL Server containers. The author discusses the value, use cases, and means for taking advantage of SQL Server containers today.
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Two Mistakes You Need to Avoid When Integrating Services
With SOA, businesses moved from monolithic applications to heterogeneous designs by decomposing functionality into services. However, architects must be careful when integrating services. Often enterprises assume adopting patterns like ESB can help. Unfortunately, there are hidden challenges with these patterns. The danger is they go unnoticed during development but surface when a system is live.