ACE_Allocator * ACE_Allocator::instance (void) { // ACE_TRACE ("ACE_Allocator::instance"); if (ACE_Allocator::allocator_ == 0) { // Perform Double-Checked Locking Optimization. static void *allocator_instance = 0; // Check this critical assumption. We put it in a variable // first to avoid stupid compiler warnings that the // condition may al...
new Image().src="http://xxxxx/url?xxxxx=xxxxx" 如题在 javascript里看到过 这个dd 请问 这个语句的作用是什么 可能在什么情况下用到
这是portsnap中的一句话。 其中${SNAPSHOTHASH} 是变量，现在的值是da93a891e7d0360a5dea27d707aa31286d1a5b9fec5e36a447ae2b2fd37bc4e2 这句话不知道是什么意思。请指点。
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[code] int buffer[1024]; T *p = new(buffer) T[10]; //从buffer中分配，假设buffer足够 [/code] delete[] p, 好像不对
Oracle 10.2 ASM new Features ASM FTP Support In Oracle 10.2 and above files in ASM file systems can be accessed using FTP Requires XML DB installation Created by default during DBCA installation Port numbers must be assigned manually. For example: FTP 7001 HTTP/WebDAV 8001 Port numbers can be assigned in Enterprise Manager XDB Configuration Page ...
char *p=malloc(10);一般都要memset(p,0,10);如果是char *p=new char[10];还需不需要memset?
Oracle 推出了10G，也同时推出了一些文档的下载。 下面就是一本讲述Oracle 10g的书，可以免费下载第一章，大家可以参考看看： Chapter 1 Oracle Database 10g Server Manageability Chapter 2 Performance Tuning new Features Chapter 3 Security new Features Chapter 4 Availability new Features Chapter 5 Business Intelligence Improvements Chapter 6 Application Development new Features Chapter 7 Other Database new...
