Modularity is a key concern in programming. However, programming languages remain limited terms of modularity and extensibility. Small canonical problems, such as the Expression Problem (EP), illustrate some basic issues: dilemma between choosing one kind extensibility over another most languages. Other how to express dependencies modular way, add up issues significant challenge. This article p...

Background and Objectives: Hospital management and its manner of governance influence different aspects of hospital performance. In Sudan; there we face scarcity of research about hospital management. The objective of this study was assessment of managerial practices of selected Teaching Hospital in order to improve the strategies of providing services and teaching. Me...

OBJECTIVE The resident 80-hour work week requires that programs now schedule duty hours. Typically, scheduling is performed in an empirical "trial-and-error" fashion. However, this is a classic "scheduling" problem from the field of operations research (OR). It is similar to scheduling issues that airlines must face with pilots and planes routing through various airports at various times. The a...