Jack Davidson questions

Jack Davidson answers

• hadoop fs -ls out of memory error
• Azure DevOps - GIT SSH Authentication - remote: Public key authentication failed [duplicate]
• Invalid cursor state, SQL state 24000 in SQLExecDirect
• Scala foldLeft while some conditions are true
• Why can't I flatMap a Try?
• Configuration of includedRegions in Jenkinsfile?
• OpenSSL Certificate (Version 3) with Subject Alternative Name
• Spark - Error "A master URL must be set in your configuration" when submitting an app
• net::ERR_CONNECTION_CLOSED error at Chrome with HTTP2.0 + Nginx
• When creating Google Cloud service accounts do you have to authorize the key after you create it?