When a client hands you data for a project, it's usually in a database of some kind. Today, learn how to work some Excel magic to import a hierarchy into a database.
When you are tuning the application’s memory and Garbage Collection settings, there is an overwhelming amount of metrics reported. Which one should you choose and which one should you leave? This article intends to explain the right KPIs and right tools to source them.
Mutability can affect the behavior of hash tables. Misunderstanding mutability can cause objects stored in a hash table to become irretrievable and essentially disappear.
Like most garbage collected languages, memory management in Python is indirect; you have to find and break references to unused data to help the garbage collector keep the heap clean.
In this article, we will define and explain the term Canonical Equivalence as applied to pattern matching according to the Unicode character specification.
Learn about the benefits and drawbacks Optional objects can bring and how to use them to properly refactor your code. Hint: Don't use them with isPresent().
Everyone's salivating over Project Jigsaw, but JDK 9 offers plenty more. From new stream sources and features to enhanced deprecation, see what the kit has to offer.
Learn to be a better Java programmer by mastering Java 8 API design, exposing a well-designed API, making sure that client code can use lambdas, and more.
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