Piotr Kołaczkowski questions

Piotr Kołaczkowski answers

• C++; loop with randomizing array keys not working
• writetime of cassandra row in spark
• Cassandra insert performance using spark-cassandra connector
• Get possible array combinations
• B-Tree for on-disk storage
• Java Application Windows vs Mac OS X
• Spark with Cassandra input/output
• Add the least amount of characters to make a palindrome
• at scala project, compiler error - Cannot resolve symbol List?
• Spark saveAsTextFile() results in Mkdirs failed to create for half of the directory