Jonathan Callen questions

Jonathan Callen answers

• remove special characters from a file in linux
• Template methods and template classes C++
• Where are macros stored?
• How to escape "<" character in regex in Solr schema.xml?
• How do I flush a 'RandomAccessFile' (java)?
• Reproduce the Unix cat command in Python
• Why doesn't "array instanceof Iterable" compile in Java?
• Anticipate "kernel too old" errors between 2.6.16 and 2.6.26 kernel versions
• Add x seconds to the current date in Linux
• Why does \$ reduce to $ inside backquotes [though not inside $(...)]?