How do I start building my first app from scratch?
I'm working on a social media app that has received some early validation. I'm a computer science major with several software internships, so I'm comfortable coding and working…
edge cases
How do you start building a social app from scratch without getting overwhelmed?
I'm building a social media app that has received some early validation. I'm a computer science major with several software internships, so I'm comfortable coding and working with…
How do experienced developers discover edge cases in their tests?
I'm still learning how to write effective test cases, and I'm wondering how more experienced developers identify edge cases. Do you use a systematic way to think through…
How do you identify edge cases when testing code?
I'm still learning how to write effective test cases, and I'm wondering how experienced developers find edge cases. Do you use a systematic way to think about what…
How do you safely handle undocumented legacy logic?
I'm working through an older service and found a block of logic that clearly handles some unusual edge case, but there's no comment explaining why. The original author…
How do you handle undocumented code that seems to protect against an unknown edge case?
I'm working through an older service and found a block of logic that clearly seems to handle an unusual but important edge case. There's no explanation in the…
How do you debug a hidden test failure when the grader only says “wrong answer”?
My solution passes every example and custom test I can think of, but submission results show one hidden-test failure with no useful explanation beyond "wrong answer." I usually…
How do you debug a hidden test that only reports “Wrong Answer”?
My solution passes every example and test case I can think of, but the judge reports a failure on a hidden case with no further explanation. I tend…
Should an API Validate Data Even When Another Service Already Does?
Our team is adding a new database field populated from a call to another service. Some teammates think we can trust that service to validate the value before…
Tips for Improving Edge Case Detection in Programming
I've been finding it really challenging to identify edge cases in my code, even with thorough scrutiny. I'm looking for practical techniques or approaches that might help me…
Why Should I Bother with Unit Testing?
I'm trying to wrap my head around unit testing, but I've struggled to maintain interest or really understand why it's necessary. I do React development for creating UIs,…