Software developer. Coding Java and Javascript at work, Python, Scala, and a bunch of other languages at night. Too much eagerness to learn, too little time for all the interesting ideas
Joined July 2013
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number of 20 digit numbers where sum of no three consecutive digits is greater than 9?
Gefei
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0 responses
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python, dynamic programming
Calculating Median in Sap Hana
Gefei
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0 responses
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sql, median, saphana
Calculating Median in PostgreSQL
Gefei
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0 responses
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sql, aggregation, postgresql, median
Maximal Weighted Independet Set in a Path with RaphaelJs-Visualization
Gefei
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0 responses
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algorithm, raphaeljs, javascript
Maximum weighted independent set
Gefei
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0 responses
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javascript, algorithm
Solving The Cannibal-and-Missionary Problem using Javascript
Gefei
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0 responses
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javascript, ai-planning
Knuth-Morris-Pratt Algorithm
Gefei
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0 responses
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algorithm, javascript
Solving the Cannibal-and-Missionary Problem with Javascript
Gefei
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0 responses
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javascript, planning
ExtJs Example: Tictactoe
Gefei
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0 responses
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extjs
Achievements
117 Karma
20,016 Total ProTip Views
![](https://dj1symwmxvldi.cloudfront.net/assets/badges/python3-355595aad795b512954169cb5ac4dbd80454a302a3b891581faa58b988650a46.png)
Python 3
Have at least three original repos where Python is the dominant language
![](https://dj1symwmxvldi.cloudfront.net/assets/badges/komododragon-4a367331904f40950f6ad91fe236c48eec07fe8e0087471dbf7a17c6c6ed7923.png)
Komodo Dragon
Have at least one original repo where Java is the dominant language
![](https://dj1symwmxvldi.cloudfront.net/assets/badges/platypus-edcb8d16952f9cb27e9a1644d7d38b5606ff8f0c8a55869c4e0d8c42ed4ea637.png)
Platypus
Have at least one original repo where scala is the dominant language
![](https://dj1symwmxvldi.cloudfront.net/assets/badges/walrus-1f517cbbd8f030099b8386c53d4ee40fece3fa146b6362accb3abddb436482cb.png)
Walrus
The walrus is no stranger to variety. Use at least 4 different languages throughout all your repos
![](https://dj1symwmxvldi.cloudfront.net/assets/badges/charity-bab6d575c53894cc9e395db7cdb1f0f91f176fa0cc8122c5f824e672f3d556a4.png)
Charity
Fork and commit to someone's open source project in need
![](https://dj1symwmxvldi.cloudfront.net/assets/badges/python-df746136c133c10a796100239e3563e3419fb4d5a7b8cc9bed181c941f6dbf55.png)
Python
Would you expect anything less? Have at least one original repo where Python is the dominant language