Liondancer questions

• Creating a legend in R with matching color and line shape
• subprocess popen to run commands (HDFS/hadoop)
• ImportError: No module named when module is there
• Adding background image in Rails 4
• Counting number of nodes in a Binary Search Tree
• Project cannot be built until build path errors are resolved eclipse
• Two geom_line and geom_point on same plot [duplicate]
• ENOENT: no such file or directory writing file with fs
• jmeter GUI setting https.use.cached.ssl.context=false
• Elasticsearch query returns 10 when expecting > 10,000

Liondancer answers