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Page 315 of my articles, tutorials, and thoughts
Latest Articles
How does spring.jpa.hibernate.ddl-auto property exactly work in Spring?
# How does `spring.jpa.hibernate.ddl-auto` property exactly work in Spring? 🌱🧩💻 Are you struggling to understand how the `spring.jpa.hibernate.ddl-auto` property works in your Spring Boot app? Do you encounter connection timeout errors when performing
Mockito: Inject real objects into private @Autowired fields
# 🧪 Testing Made Easy: Injecting Real Objects into Private @Autowired Fields with Mockito Have you ever found yourself needing to inject real objects into private `@Autowired` fields during testing with Mockito? Maybe you've been using the `@Mock` and `@
How do I activate a Spring Boot profile when running from IntelliJ?
# How to Activate a Spring Boot Profile When Running from IntelliJ 😎 So, you want to activate a specific Spring Boot profile when running your application from IntelliJ? No worries, we've got you covered! 🙌 ## The Problem 🤔 Many developers face this
What"s the difference between `1L` and `1`?
# Understanding the Difference between `1L` and `1`: A Simple Guide Have you ever come across the symbols `1L` or `2L` in R code and wondered what they mean? 🤔 Don't worry, you're not alone! Many beginners and even experienced programmers find themselves
Performing regex queries with PyMongo
# Performing regex queries with PyMongo: A Complete Guide 👨💻 Are you trying to perform a regex query using PyMongo against a MongoDB server but getting empty results? Don't worry, you're not alone! Many developers face difficulties when it comes to per
How do I clear only a few specific objects from the workspace?
# How to Clear Specific Objects from the Workspace 💻✨ So you've got some data in your workspace that you want to get rid of, but the "Clear All" button is just too ruthless. You only want to clear certain objects, not everything. Well, fear not! In this
Error in if/while (condition) {: missing Value where TRUE/FALSE needed
# 🚀 Unwrapping the Mystery Behind the "Missing Value where TRUE/FALSE needed" Error 🕵️♂️ Have you ever encountered the cryptic error message: "Error in if/while (condition) {: missing value where TRUE/FALSE needed"? Don't worry, you're not alone! 🤔 In
How to generate a number of most distinctive colors in R?
# The Ultimate Guide to Generating a Number of Most Distinctive Colors in R 🎨💻 Are you tired of using bland and boring colors in your categorical data plots? Do you want to make your visualizations eye-catching and distinctive? Look no further! In this
How to count TRUE values in a logical vector
# 📝 How to Count TRUE Values in a Logical Vector in R Are you tired of struggling to count the number of `TRUE` values in a logical vector in R? Look no further! In this blog post, we will explore common issues, provide easy solutions, and reveal a more
What does .SD stand for in data.table in R
📝 What is .SD in data.table in R? 🤔 Hey there, tech enthusiasts! Have you ever come across the mysterious .SD in data.table while working with R? 🤷♀️ Wondering what it stands for and why it has a preceding period? Don't worry, I've got you covered! Le