Reading Nested Parquet File in Scala and Exporting to CSV

Learn how to read and save to CSV a Parquet compressed file with a lot of nested tables and Array types. Read all

Custom Kestrel Transports

Learn how to use Kestrel, a web server written in .NET Core, and create transports between Kestrel servers by implementing them on top of sockets for your OS. Read all

How to Return Ajax Response From Asynchronous JavaScript Call: Methods and Code Examples

A discussion of the basics of Ajax, how it combines async JavaScript and XML, the difficulties it can present, and the best ways to use Ajax in web development. Read all

Data Science for Java Developers With Tablesaw

Learn what makes Tablesaw beginner-friendly and look at an introductory example involving querying, sorting, and summarizing. Read all

Java Memory Leaks: Tools, Fixes, and More

Here are some tools and best practices to consider for preventing, searching for, and fixing memory leaks so your Java apps perform as well as they should. Read all

Client, Server, and Tiered Compilation

Tiered compiling sees the performance benefits of both Client and Server compiling together. See how it works, when it works, and when not to bother. Read all

Java Memory Consumption in Docker and How We Employed Spring Boot

A dev shares the research his team conducted in order to reduce the memory consumption in their Docker container, and increase performance of their Java app. Read all

Interacting With a Long-Running Child Process in Python

Learn how to launch, interact, terminate, get all output when done, and terminate with your long-running child processes in Python. Read all

JDK 9: Creating a Java Runtime Image With Maven

Learn the basics of runtime images and how Java 9 will enable them. Ditch the parts that aren't needed and ensure your project can run anywhere. Read all

Listing a Directory With Python

If you're a web dev and a Python lover, read on to learn how to use Python to search for and list contents of a directory, even if those files aren't in Python. Read all

 

 

 

 

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