InfoQ

Pandas 3.0 Introduces Default String Dtype and Copy-on-Write Semantics

The pandas team has released pandas 3.0.0, a major update that changes core behaviors around string handling, memory ...
Live Science

Giant rotating string of galaxies is 'probably the largest spinning object' in the known universe

A giant rotating filament of the cosmic web may be the largest spinning structure ever seen, and could help reveal how galaxies form. When you purchase through links on our site, we may earn an ...
TheServerSide

System.out in Java explained

Community driven content discussing all aspects of software development from DevOps to design patterns. The first line of code that new developers encounter when they write their first Java program ...
GitHub

HessianProtocolException: expected map/object at java.lang.String

Dubbo version: org.apache.dubbo:dubbo-spring-boot-starter:2.7.1 Operating System version: windows Java version: jdk8 I use org.apache.dubbo:dubbo-spring-boot-starter ...
Hacker

Safely toString a Java object

In this little article, we will see how to get the string representation(tostring) of an object cautiously, that means avoiding NullPointerException. Getting the ...
GitHub

JSONObject.put(String, Object) doesn't store null value

According to the JSON specification, a JSON value may be null. However, JSONObject.put(String, Object) doesn't store this. It is therefore not possible to make a distinction between the object not ...
InfoWorld

Guava’s Objects Class: Equals, HashCode, and ToString

If you are fortunate enough to be using JDK 7, the newly available Objects class is the obvious (at least to me) choice for implementing the “common” Java object ...