A page, memory page, or virtual page is a fixed-length contiguous block of virtual memory, described by a single entry in the page table. It is the smallest unit of data for memory management in a virtual memory operating system. Similarly, a page fr…
COMPUTER ORGANIZATION AND ARCHITECTURE DESIGNING FOR PERFORMANCE NINTH EDITION The basic mechanism for reading a word from memory involves the translation of a virtual, or logical, address, consisting of page number and offset, into a physical addres…
Page Table Entry The access control information is held in the PTE and is CPU specific; figure bit fields have the following meanings: V Valid, if set this PTE is valid, 页表是否可用 FOE ``Fault on Execute'', Whenever an access of this type occurs, t…
先上代码 <script type="text/javascript" language="javascript"> var idTmr; function getExplorer() { var explorer = window.navigator.userAgent; //ie if (explorer.indexOf("MSIE") >= 0) { return 'ie'; } …
错误:foreach statement cannot operate on variables of type 'System.Web.UI.WebControls.Table' because 'System.Web.UI.WebControls.Table' does not contain a public definition for 'GetEnumerator' foreach (TableRow tr in table) { ... } 修改为 foreach (TableR…
