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Page 484 of my articles, tutorials, and thoughts
Latest Articles
How can I clear or empty a StringBuilder?
# How to Clear a StringBuilder: A Complete Guide with Easy Solutions šš„š So, you find yourself in a situation where you need to clear or empty a `StringBuilder` in Java. You might have come across the `StringBuilder.Clear` method in .NET and wondered w
IntelliJ inspection gives "Cannot resolve symbol" but still compiles code
# š¤ "Cannot resolve symbol" in IntelliJ but code still compiles So, you're working on your project in IntelliJ, and you come across this strange situation ā IntelliJ inspection is giving you the "Cannot resolve symbol" error, but your code still compiles
Easiest way to convert a List to a Set in Java
šāØ Blog Post: The Easiest Way to Convert a List to a Set in Java! š Hey there, tech enthusiasts! Today, we are going to dive into an interesting Java problem: converting a List to a Set. š So, what is the easiest way to tackle this task? Let's explore
Why is my Spring @Autowired field null?
# Why is my Spring @Autowired field null? š± Welcome to another edition of our tech blog! Today, we're going to tackle a common issue that many developers face when using the Spring framework. You've probably encountered this frustrating problem before: y
How do I invoke a Java method when given the method name as a string?
# How to Invoke a Java Method with a String Name š Hey there tech enthusiasts! Are you feeling curious about how to invoke a Java method when all you have is the method name as a string? Don't worry, you've come to the right place! In this blog post, we'
How to filter a Java Collection (based on predicate)?
# Filtering a Java Collection like a Boss šš So, you want to filter a Java Collection based on a predicate? Well my friend, you've come to the right place! š In this blog post, I'm going to show you some easy solutions to this common problem, and trust
How to append text to an existing file in Java?
## Appending Text to an Existing File in Java: A Simple Guide ššš» So, you need to append text repeatedly to an existing file in Java? No worries, I got you covered! š Appending text to a file is a common requirement in many Java applications. Whether
What is the difference between == and equals() in Java?
# What is the difference between == and equals() in Java? šš¤ So you want to know the difference between `==` and `equals()` in Java? š¤ Don't worry, dear reader, I've got you covered! Let's dive into this commonly misunderstood topic and shed some light
Extract substring in Bash
š Hey there! Are you struggling with extracting a substring in Bash? No worries, I got you covered! In this guide, we'll explore some easy solutions to help you extract the five digits from a filename and store them into a variable. šŖ š¤ So, let's dive
What is a stack trace, and how can I use it to debug my application errors?
# š§ Understanding Stack Trace to Debug Application Errors š§ <p>Oh no! š± You've encountered an error in your application and you're just seeing a confusing message like this:</p> <pre><code>Exception in thread "main" java.lang.NullPointerException