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fivedogit has asked 22 questions and find answers to 33 problems.

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In Ethereum Solidity, when changing an array length, I get "Value must be an lvalue". Why?
In Ethereum, what is gas, how is it used, and what is the difference between "startgas" and "gasprice"? [closed]
How does one specify a temp directory for file uploads in Spring Boot?
When will Ethereum switch to Proof of Stake?
How do I get the balance of an account in Ethereum?
In Ethereum Solidity, what is the purpose of the "memory" keyword?

fivedogit answers

JDBCTemplate set nested POJO with BeanPropertyRowMapper
Serve index file instead of download prompt
In Ethereum Solidity, when changing an array length, I get "Value must be an lvalue". Why?
In Ethereum, what is gas, how is it used, and what is the difference between "startgas" and "gasprice"? [closed]
Can I create a local blockchain with Ruby on Rails or Node.js instead of Ethereum+Geth?
Spring MVC - how to return 404 on missing parameters
When will Ethereum switch to Proof of Stake?
Content Security Policy: cannot load Google API in Chrome extension
How do I get the balance of an account in Ethereum?
In Ethereum Solidity, what is the purpose of the "memory" keyword?