Coding Day 1
Web Push CenterApple APNs & Web Push
Lock-screen alerts
Real-time push delivery to your iPhone Home Screen PWA. Alarms fire at 09:00, 12:00, 15:00, and 18:00 in your local timezone.
Due Now
4 tasksCoding Day 1
Maximum Subarray / Kadane
System design Day 1
L4 vs L7 load balancing
System design Day 1
RR vs least-conn vs IP-hash
Upcoming Schedule
Next 30 remindersDay 1
RR vs least-conn vs IP-hash
Day 1
Maximum Subarray / Kadane
Day 1
L4 vs L7 load balancing
Day 1
RR vs least-conn vs IP-hash
Day 2
LC 3 Longest Unique Substring
Day 2
LC 76 Minimum Window Substring
Day 2
Consistent hashing
Day 2
Partitions when N → N+1
Day 2
LC 76 Minimum Window Substring
Day 2
Consistent hashing
Day 2
Partitions when N → N+1
Day 3
Container With Most Water
Day 3
Trapping Rain Water
Day 3
Reverse proxy vs API gateway
Day 3
QPS behind one L7 proxy
Day 3
Trapping Rain Water
Day 3
Reverse proxy vs API gateway
Day 3
QPS behind one L7 proxy
Day 4
Subarray Sum Equals K
Day 4
Longest Consecutive Sequence
Day 4
CAP in one minute
Day 4
Strong vs eventual consistency
Day 4
Longest Consecutive Sequence
Day 4
CAP in one minute
Day 4
Strong vs eventual consistency
Day 5
Group Anagrams
Day 5
Palindrome + Longest Palindrome
Day 5
DNS, TLS, request path
Day 5
1M × 2KB JSON requests/s
Day 5
Palindrome + Longest Palindrome