xaxa questions

• Postgres connect over ssh
• gVim incorrectly guesses file encoding
• keyword/compiler option in C to promise not to overlap different pointers
• git diff without changes of single quotes to double quotes
• redis scan returns empty results but nonzero cursor
• rails create table in db dynamically
• How can I read files outside src?
• Why can't I ping herokuapp
• CSS increase font size
• Telegram not updating link preview from github

xaxa answers