Pipat Saengow

Hook an error logging for 404 course

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## Why did you create this PR - There's an elevated error rate for Course Detail endpoint since 2022Q3 ## What did you do - Add logging to see what...

[FEATURE] Sort front page by popularity

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**Is your feature request related to a problem? Please describe.** The current front page is ordered by Course ID, which is totally arbitrarily and waste valuable front page opportunity. And...

### Problem The goal of this task is to implement a better search engine that incorporates works from Search Behavior and Performance Metric tasks. However, We guessed that the solution...

### Problem The goal of this task is to find a way to measure the performance of the search. So that we can - Run an offline experiment to see...