URL87

URL87 has asked 55 questions and find answers to 5 problems.

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URL87 questions

XPath 1.0 check count
Why does 2 dimension array passing to function requires its size?
Close UDP socket with no socket.close()
Reveal / know / get the sending page using request or session in servlet
Calling to the owner class from a listener
Racket - how to get the “previous executed command” in bash script?
sum of series using float
sql query execute with PreparedStatement
linked list loop - cycle start element and list length
Solve linear equation system by given LU decomposition and vector of constants

URL87 answers

Cut and Fail in Prolog
ng-blur on a DIV
Make an inline-block div take 100% of the remaining width
TypeScript decorator reports "Unable to resolve signature of class decorator when called as an expression"