Adding mkstemp_overwrite for safely overwrite files re Programming:#555 (0.5)
Adding mkstemp_overwrite for safely overwrite files re Programming:#555 (0.5)

victor-lin/npact,NProfileAnalysisComputationalTool/npact,victor-lin/npact,victor-lin/npact,NProfileAnalysisComputationalTool/npact,NProfileAnalysisComputationalTool/npact,victor-lin/npact,victor-lin/npact,NProfileAnalysisComputationalTool/npact,NProfileAnalysisComputationalTool/npact