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C# Xml中SelectSingleNode方法中的xpath用法(Xml节点操作最佳方式) - 更...
...path用法(Xml节点操作最佳方式)Xml_SelectSingleNode_XpathXPath 是一门在 XML 文档中查找信息的语言,可用来在 XML 文档中对元素和属性进行遍历。因此使用xpath进行XML节点操作为我们省去了很多逻辑,代码最简单优雅。同时,对 XPath ...
汇编常用寄存器及指令基础总结 - C/C++ - 清泛网 - 专注C/C++及内核技术
...的十六位寄存器,有9个标志位,某些汇编指令(大部份是涉及比较、算术或逻辑运算的指令)执行时,会将相关标志位置1或清0, 常碰到的标志位有零标志(ZF)、符号标志(SF)、溢出标志(OF)和进位标志(CF)
当一个程...
Windows下 C++网络延时检测 - C/C++ - 清泛网 - 专注C/C++及内核技术
...择低延时、负载较低的服务器节点。例如:那么这个功能是如何实现的呢?...一般需要连接服务器后端的软件都有服务器节点网络延迟的检测,帮助选择低延时、负载较低的服务器节点。例如:
那么这个功能是如何实现的呢...
Smarty中date_format日期格式化详解 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...marty中date_format日期格式化详解在php的smarty模板中date_format是对由php提供过来的时间秒进行转换成日期了,那么date_format函数到底怎么用有什么格式,我们一起来看看。...在php的smarty模板中date_format是对由php提供过来的时间秒进行...
Is there any advantage of using map over unordered_map in case of trivial keys?
... a time_hash_map program to time them. For example, with gcc 4.4.2 on an x86_64 Linux system
$ ./time_hash_map
TR1 UNORDERED_MAP (4 byte objects, 10000000 iterations):
map_grow 126.1 ns (27427396 hashes, 40000000 copies) 290.9 MB
map_predict/grow 67.4 ns (10000000 hashes, 400...
VC DDE(Dynamic Data Exchange)与EXCEL连接 - C/C++ - 清泛网 - 专注C/C++及内核技术
...可能实现项目这个需求。
DDE,中文名叫动态数据交换,是基于WINDOWS系统开发的一种消息传输的通信方案。花了半天时间研究了下,做了个案例,VC6.0下调试通过,很开心。作为一个产品经理,为产品设计搭建好平台,有人的平...
Start / Stop a Windows Service from a non-Administrator user account
...account to manage the BST
services.
(subinacl.exe is in C:\Program Files (x86)\Windows Resource Kits\Tools\).
cd C:\Program Files (x86)\Windows Resource Kits\Tools\
subinacl /SERVICE \\MachineName\bst /GRANT=domainname.com\username=F or
subinacl /SERVICE \\MachineName\bst /GRANT=username=F
Logout an...
How does the Java 'for each' loop work?
...st B: 207,050,523 nanoseconds
B faster by 81,902,972 nanoseconds (27.844689860906513% faster)
[C:\java_code\]java TimeIteratorVsIndexIntArray 1000000
Test A: 375,373,765 nanoseconds
Test B: 283,813,875 nanoseconds
B faster by 91,559,890 nanoseconds (23.891659337194227% faster)
[C:\java_code\]java ...
When and why will a compiler initialise memory to 0xCD, 0xDD, etc. on malloc/free/new/delete?
...
One nice property about the fill value 0xCCCCCCCC is that in x86 assembly, the opcode 0xCC is the int3 opcode, which is the software breakpoint interrupt. So, if you ever try to execute code in uninitialized memory that's been filled with that fill value, you'll immediately hit a breakp...
How to resolve merge conflicts in Git?
...swered Aug 4 '10 at 17:04
coolaj86coolaj86
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