Loupe
All 60 problems
Every problem, grouped by stack. Each one opens as its own page you can read before you start.
nestjs · 9
Shared note links
Lv.1
Add a coupon to the order total
Lv.1
Single product lookup API
Lv.1
Single post lookup API
Lv.1
Signup API (NestJS)
Lv.1
Authenticate a User from a Login Token
Lv.2
Deduct Points on a Payment-Completed Event
Lv.2
Admin User Search API
Lv.2
Concert Seat Reservation
Lv.3
scikit-learn · 9
feature standardization
Lv.1
score a model with cross-validation
Lv.1
classify by nearest neighbors
Lv.1
give the probability of being positive
Lv.1
reduce dimensions with principal components
Lv.2
pick out the important features
Lv.2
train/test data split
Lv.3
classify with a kernel SVM
Lv.3
Model serving package
Lv.3
react · 8
Product List Pagination API
Lv.1
Add to Cart
Lv.1
Signup Form
Lv.1
Countdown Timer
Lv.1
Like Button
Lv.1
Product Search Filter
Lv.1
Auto-refresh the login token
Lv.2
Notice List
Lv.2
spring · 8
Feed list API
Lv.1
Single order lookup API
Lv.1
Member Name Update API
Lv.1
Signup API (Spring)
Lv.1
Event Coupon Issuance API
Lv.2
Team document detail
Lv.2
Author List Lookup Service
Lv.3
Books-by-Author List API
Lv.3
adk · 4
Remembering the running summary
Lv.1
Remembering booking progress
Lv.1
Remembering language preference
Lv.1
Remembering the user profile
Lv.1
nextjs · 4
Guestbook
Lv.1
Product Detail
Lv.1
Notice Read-More Toggle
Lv.1
Console sidebar navigation
Lv.2
java · 3
Cart Discount Amount
Lv.1
Order Model
Lv.1
Wishlist Duplicates
Lv.1
express · 2
Note Create and Read API
Lv.1
User Orders Lookup API
Lv.2
node · 2
Running a containerized API
Lv.1
Production API image
Lv.2
python · 2
Per-rate price calculators
Lv.1
Cart add function
Lv.1
c · 1
Most Recently Used (MRU)
Lv.3
docker · 1
Cleaning the Docker build context
Lv.2
go · 1
Request Count API
Lv.2
node-typescript · 1
TypeScript service image
Lv.2
node-worker · 1
Worker container shutdown
Lv.3
numpy · 1
combine classifier-free guidance
Lv.3
pandas · 1
attach product info to orders
Lv.1
pytorch · 1
sequence token accuracy
Lv.2
terraform · 1
S3 static site infrastructure
Lv.2