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 ...
InfoWorld

String comparisons in Java

Java’s String class encapsulates an array of bytes. A byte can be converted to a char, in which case, String becomes an array of characters used to compose words, sentences, or any other data you want ...
TheServerSide

The differences between Java and TypeScript devs must know

TypeScript is growing in popularity as the programming language of choice for both front-end and back-end developers. With TypeScript, developers can fully wield the power of the principles and ...
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 ...