Zenet questions

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• How to transform multiple line into one line in bash stdout?
• In SQL, how do I get all rows where a column's value is the lowest in the table?
• how to properly free a char **table in C
• How to fix Python error importing ElementTree?
• shell float number in expr
• How to broadcast a message in a network?
• Is there a unix command to retrieve NS records from domain?
• delete html comment tags using regexp
• check if a line is empty using bash

Zenet answers