SEO basics for developers
What SEO techniques should developers know? How do I make my website rank better?...
L
Lisa Park
@lisa_park
2650 reputation
Joined Apr 2025
Backend developer specializing in microservices and cloud architecture.
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Recent Problems
Understanding pointers in C
Pointers in C are confusing me. What exactly is a pointer and why do we need them?...
How to optimize slow SQL queries?
My SQL query is running very slow on a large table (millions of rows). The query: ```sql SELECT * FROM orders WHERE customer_id = 12345 AND created...
Difference between let, const, and var in JavaScript
When should I use let vs const vs var in JavaScript? I've heard var is outdated?...
Deep copy vs Shallow copy in JavaScript
I need to copy an object in JavaScript, but changes to the copy affect the original object. What's happening? ```javascript const original = { name: ...
Recent Solutions
GraphQL vs REST API
This is a great question that many people ask! **Here's my explanation:** The key thing to understand is that this concept builds on fundamental principles. Let me break it down: 1. **First**, you ...
When to use class vs function in Python?
This is a great question that many people ask! **Here's my explanation:** The key thing to understand is that this concept builds on fundamental principles. Let me break it down: 1. **First**, you ...