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About 153 questions

Blockchain Newsletter: Paying $15 to Send $25 Has Bitcoin Users Rethinking Practicality [2017W40]

This Week's Update on Bitcoin and Blockchain [2017W40] Issue: Week 40 of 2017 Markets Price per Bitcoin BTC is at ~$4300 USD (+14% from last Monday) P ...

Asked on 7 February 2018

Blockchain Newsletter: China orders Bitcoin exchanges in capital city to close [2017W39]

This Week's Update on Bitcoin and Blockchain [2017W39] Issue: Week 39 of 2017 Markets Price per Bitcoin BTC is at ~$3870 USD (-8% from last Monday) Pr ...

Asked on 7 February 2018

Blockchain Newsletter: Bitcoin Took a Major Dive then a Sharp Rebound [2017W38]

This Week's Update on Bitcoin and Blockchain [2017W38] Issue: Week 38 of 2017 Markets Price per Bitcoin BTC is at ~$3870 USD (-8% from last Monday) Pr ...

Asked on 7 February 2018

Blockchain Newsletter: China Is Said to Ban Bitcoin Exchanges [2017W37]

This Week's Update on Bitcoin and Blockchain [2017W37] Issue: Week 37 of 2017 Markets Price per Bitcoin BTC is at ~$4206 USD (-4.2% from last Monday) ...

Asked on 7 February 2018

Blockchain Newsletter: China Central Bank Says Initial Coin Offerings Are Illegal [2017W36]

This Week's Update on Bitcoin and Blockchain [2017W36] Issue: Week 36 of 2017 Markets Price per Bitcoin BTC is at ~$4393 USD (+3.7% from last Monday) ...

Asked on 7 February 2018

Blockchain Newsletter: Why Big Business Is Racing to Build Blockchains [2017W35]

This Week's Update on Bitcoin and Blockchain [2017W35] Issue: Week 35 of 2017 Markets Price per Bitcoin BTC is at ~$4241 USD (+6.2% from last Monday) ...

Asked on 7 February 2018

Blockchain Newsletter: Bitcoin Cash soars to record high above $900 as mining profits jump [2017W34]

This Week's Update on Bitcoin and Blockchain [2017W34] Issue: Week 34 of 2017 Markets Price per Bitcoin BTC is at ~$3991 USD (-4.6% from last Monday) ...

Asked on 7 February 2018

Blockchain Newsletter: Bitcoin Surpasses $4,000, Reaches Another Milestone [2017W33]

This Week's Update on Bitcoin and Blockchain [2017W33] Issue: Week 33 of 2017 Markets Price per Bitcoin BTC is at ~$4187 USD (+53% from last Monday) P ...

Asked on 7 February 2018

Blockchain Newsletter: Grandpa Had a Pension. This Generation Has Cryptocurrency [2017W32]

This Week's Update on Bitcoin and Blockchain [2017W32] Issue: Week 32 of 2017 Markets Price per Bitcoin BTC is at ~$3360 USD (+22.2% from last Monday) ...

Asked on 7 February 2018

Blockchain Newsletter: Bitcoin Split Is Nothing to Fear [2017W31]

This Week's Update on Bitcoin and Blockchain [2017W31] Issue: Week 31 of 2017 Markets Price per Bitcoin BTC is at ~$2749 USD (+38% from last Monday) P ...

Asked on 7 February 2018

Blockchain Newsletter: Rothschild Inv. Corp Invests in BTC [2017W30]

This Week's Update on Bitcoin and Blockchain [2017W30] Issue: Week 30 of 2017 Markets Price per Bitcoin BTC is at ~$2749 USD (+38% from last Monday) ...

Asked on 7 February 2018

Blockchain Newsletter: Bitcoin Is Having a Civil War Right as It Enters a Critical Month [2017W29]

This Week's Update on Bitcoin and Blockchain [2017W29] Issue: Week 29 of 2017 Markets Price per Bitcoin BTC is at ~$1985 USD (-21% from last Monday) ...

Asked on 7 February 2018

Blockchain Newsletter: Meet The Man Traveling The World On $25 Million Of Bitcoin Profits [2017W28]

This Week's Update on Bitcoin and Blockchain [2017W28] Issue: Week 28 of 2017 Markets Price per Bitcoin BTC is at ~$2523 USD (+1.32% from last Monday) ...

Asked on 7 February 2018

Blockchain Newsletter: Move Over, Bitcoin. Ether Is the Digital Currency of the Moment [2017W26]

This Week's Update on Bitcoin and Blockchain [2017W26] Issue: Week 26 of 2017 Markets Price per Bitcoin BTC is at ~$2508 USD (-2.1% from last Monday) ...

Asked on 7 February 2018

DAO Split Attack Explanation

This is a javascript implementation of the recent Dao attack. Modified with some explanation https://repl.it/C4I8/1 var baseBalance = 1000; var rewar ...

Asked on 7 February 2018

Convert String to BigDecimal

"5".to_d

Asked on 7 February 2018

Encoding URL parameter in Ruby

CGI::escape

Asked on 7 February 2018

Check if a value exists in an array in Ruby

You can use include? >> ['A', 'B', 'C'].include? 'B' => true

Asked on 7 February 2018

The checksum of /versions does not match the checksum provided by the server

Try running $ gem uninstall bundler If it doesn't let you, add --force at the end of the command. Then reinstall bundler $ gem install bundler$ bundl ...

Asked on 7 February 2018

Upload file to AWS S3 using fog in Ruby

http://fog.io/storage/

Asked on 7 February 2018

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