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1 #!perl -w 2 use strict; 3 4 $/ = ""; # 每次读一段 paragraph read mode 5 $^I = "

Exceptions can be divided into four classes: interrupts, traps, faults , and aborts. Interrupts Interrupts occur   asynchronously as a result of signal

A key motivation for shared libraries is to allow multiple running processes to share the same library code in memory, and thus save precious memory resources. So how might multiple processes share a single copy of a program? A better approach is to compile library code so that it can be loaded and executed at any address without being modified by the linker. Such code is known as position-independent code (PIC). User

http://xschina.org/show.php?id=11377 　　西方对中国哲学的研究，一向局限于专业小圈子：几个教授教几个学生，让这几个学生以后能教几个学生。他们组成了一个稀有物种，不过有自尊的大学必备。 他们的研究对象在学院内都与他人无干，跟学院外的世界更不沾边。正因如此，在中国如火如荼进行了一个多世纪的辩论，突然延烧进西方汉学家的小圈子，倒让我 们大吃了一惊：这个小圈子本来是以幽静安宁取