staafl questions

staafl answers

• Regex to allow only digits, hypens, space, parentheses and should end with a digit (javascript) [duplicate]
• HashSet or Distinct to read distinct values of property in List<> of objects
• Should "parent" not be used as javascript variable name (reserved words)
• Clojure: finding out if a collection is seq-able
• Whats the difference between .Resx and .Resources file types?
• Why is there no same-origin policy for WebSockets? Why can I connect to ws://localhost?
• Regex catastrophic backtracking only in .net