topics

<tr><td class="zt-author">p***n<br />发帖数: 635</td><td width=80% class="zt-bg2"><div id="post15" style="position:relative"><div class="zt-counter">15</div><div style="margin-bottom:20px;font-size:1.1em"><span style="font-weight:bold">来自主题: </span><span class="board">DotNet版</span> - <a href="/zhuti/DotNet/3397070/#post2" style="font-size:1.1em">一个xml的问题。</a></div><span>there are more than 1 way to do it in C# but one of them is<br /> XPathNavigator.Select Method (XPathExpression)<br /> using namespace System::Xml;<br /> using namespace System::Xml::XPath;<br /> if you know the node's exact XPath,</span></div></td></tr></table></td> </tr> <tr> <td><table style="margin-top:0"><tr><td class="zt-author">r****y<br />发帖数: 26819</td><td width=80% class="zt-bg"><div id="post16" style="position:relative"><div class="zt-counter">16</div><div style="margin-bottom:20px;font-size:1.1em"><span style="font-weight:bold">来自主题: </span><span class="board">DotNet版</span> - <a href="/zhuti/DotNet/3397380/#post21" style="font-size:1.1em">.net 2003竟然不支持类中静态变量</a></div><span>你的代码我看了，首先，你写的是MC,用了namespace。其次，你的这个field<br /> TESTSIZE不属于任何class。<br /> 我把它改成polynomial的public static field，再将所有TESTSIZE换成<br /> polynomial::TESTSIZE，再去掉namespace main_savitch_4里对<br /> polynomial::DEFAULT_CAPACITY的重复申明，就编译通过了。</span></div></td></tr></table></td> </tr> <tr> <td><table style="margin-top:0"><tr><td class="zt-author">J*******d<br />发帖数: 205</td><td width=80% class="zt-bg2"><div id="post17" style="position:relative"><div class="zt-counter">17</div><div style="margin-bottom:20px;font-size:1.1em"><span style="font-weight:bold">来自主题: </span><span class="board">DotNet版</span> - <a href="/zhuti/DotNet/15584812/#post5" style="font-size:1.1em">visual studio为什么不加eclipse修改建议的功能</a></div><span>有自动加namespace, 没有加references<br /> <br /> maybe it's a feature in later version or beta version, but there's this<br /> "Add Using" feature that give you suggestion of namespaces, not sure<br /> if it adds references for you or not.</span></div></td></tr></table></td> </tr> <tr> <td><table style="margin-top:0"><tr><td class="zt-author">x***o<br />发帖数: 135</td><td width=80% class="zt-bg"><div id="post18" style="position:relative"><div class="zt-counter">18</div><div style="margin-bottom:20px;font-size:1.1em"><span style="font-weight:bold">来自主题: </span><span class="board">DotNet版</span> - <a href="/zhuti/DotNet/31103619/#post1" style="font-size:1.1em">how to get reference.vb file?</a></div><span>Hi, I am a newbee for dot.net.<br /> I am trying to add a web reference throught he wdsl file. But I couldn't get<br /> the the auto generated reference.vb file. I can see the reference.map file.<br /> When I try to update the webreference. I got the the following error<br /> message:<br /> The custom tool 'MSDiscoCodeGenerator' failed. Unable to import binding '<br /> BindingName' from namespace '<a href="http://NamespaceLocation" rel="nofollow">http://NamespaceLocation</a>'.<br /> Additionally, I receive the following error message in the Error List window:<br /> Error 1 Custom tool error: Un... <a href="/zhuti/DotNet/31103619/#post1">阅读全帖</a></span></div></td></tr></table></td> </tr> <tr> <td><table style="margin-top:0"><tr><td class="zt-author">o**********a<br />发帖数: 330</td><td width=80% class="zt-bg2"><div id="post19" style="position:relative"><div class="zt-counter">19</div><div style="margin-bottom:20px;font-size:1.1em"><span style="font-weight:bold">来自主题: </span><span class="board">DotNet版</span> - <a href="/zhuti/DotNet/31106605/#post1" style="font-size:1.1em">新手请教问题</a></div><span>刚接触 xml，为什么第一段code 可以work。 而第2段code不能正确地创建xml<br /> 多谢<br /> using System;<br /> using System.Collections.Generic;<br /> using System.Linq;<br /> using System.Text;<br /> using System.Xml.Serialization;<br /> using System.IO;<br /> namespace xmlapp<br /> {<br /> <br /> public class Movie<br /> {<br /> public string Title<br /> { get; set; }<br /> public int Rating<br /> { get; set; }<br /> public DateTime ReleaseDate<br /> { get; set; }<br /> }<br /> class Program<br /> {<br /> static void Main(string[] args)<br /> {<br /> <br /> Movi... <a href="/zhuti/DotNet/31106605/#post1">阅读全帖</a></span></div></td></tr></table></td> </tr> <tr> <td><table style="margin-top:0"><tr><td class="zt-author">S****e<br />发帖数: 10596</td><td width=80% class="zt-bg"><div id="post20" style="position:relative"><div class="zt-counter">20</div><div style="margin-bottom:20px;font-size:1.1em"><span style="font-weight:bold">来自主题: </span><span class="board">DotNet版</span> - <a href="/zhuti/DotNet/31108013/#post1" style="font-size:1.1em">webservice 只能定义一个函数吗？</a></div><span>在asmx文件里的webmethod<br /> 定义两个函数<br /> 第一个函数f1没问题<br /> 第二个函数f2怎么也不工作<br /> 当把第一个f1删掉，f2就工作了<br /> 请问怎么回事<br /> 代码简要如下<br /> namespace Samples.AspNet<br /> {<br /> [WebService(Namespace = "<a href="http://tempuri.org/" rel="nofollow">http://tempuri.org/</a>")]<br /> [WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)]<br /> [ScriptService]<br /> public class ServerTime : System.Web.Services.WebService<br /> {<br /> [WebMethod]<br /> public string f1(string productID )<br /> {。。。 }<br /> public string f2(string productID )<br /> {。。。}</span></div></td></tr></table></td> </tr> <tr> <td><table style="margin-top:0"><tr><td class="zt-author">j*******y<br />发帖数: 965</td><td width=80% class="zt-bg2"><div id="post21" style="position:relative"><div class="zt-counter">21</div><div style="margin-bottom:20px;font-size:1.1em"><span style="font-weight:bold">来自主题: </span><span class="board">Java版</span> - <a href="/zhuti/Java/31116555/#post16" style="font-size:1.1em">Anyone know SAML 2.0 and OpenSAML ?</a></div><span>Do I have to change my current XML namespace to follow their standard?<br /> If so, do you know a converter?<br /> Thank you.<br /> I believe that the different namespace is the only problem I may have right<br /> now. </span></div></td></tr></table></td> </tr> <tr> <td><table style="margin-top:0"><tr><td class="zt-author">c******n<br />发帖数: 4965</td><td width=80% class="zt-bg"><div id="post22" style="position:relative"><div class="zt-counter">22</div><div style="margin-bottom:20px;font-size:1.1em"><span style="font-weight:bold">来自主题: </span><span class="board">Java版</span> - <a href="/zhuti/Java/31141251/#post4" style="font-size:1.1em">what is really hard is testing</a></div><span>--- "@Component is like a global service that has namespace"<br /> what is the namespace ?<br /> if in 2 libraries, written by 2 people, both mark<br /> @Component<br /> public class AuthorA implements SomeInterface {<br /> }<br /> @Component<br /> public class AuthorB implements SomeInterface {<br /> }<br /> now in my application code, I just want to grab an "author", and do<br /> public class MyTestSuite {<br /> @Autowired<br /> SomeInterface blah;<br /> ...<br /> }<br /> here since AuthorA and AuthorB are both discovered as "@Component", they are<br /> like global variables, and makes... <a href="/zhuti/Java/31141251/#post4">阅读全帖</a></span></div></td></tr></table></td> </tr> <tr> <td><table style="margin-top:0"><tr><td class="zt-author">o******r<br />发帖数: 259</td><td width=80% class="zt-bg2"><div id="post23" style="position:relative"><div class="zt-counter">23</div><div style="margin-bottom:20px;font-size:1.1em"><span style="font-weight:bold">来自主题: </span><span class="board">Programming版</span> - <a href="/zhuti/Programming/13551117/#post1" style="font-size:1.1em">关于 VC++ vitual, reload 和 derive的一个问题...</a></div><span>以下程序似乎是对的,在Visual Studio 2005里面却报错:<br /> error C2660: 'B::Add' : function does not take 1 arguments<br /> #include <iostream><br /> using namespace std;<br /> class A<br /> {<br /> public:<br /> int Add(int X) {return Add(X, 1);};<br /> private:<br /> virtual int Add(int X, int Y) {return X+Y;};<br /> };<br /> class B: public A<br /> {<br /> private:<br /> int Add(int X, int Y) {return X-Y;};<br /> };<br /> int main()<br /> {<br /> B Obj;<br /> cout << Obj.Add(5);<br /> return 0;<br /> }<br /> 难道B不能用base clas A的那个public function吗?<br /> 用不同函数名就没问题了<br /> #include <iostream><br /> using namespac</span></div></td></tr></table></td> </tr> <tr> <td><table style="margin-top:0"><tr><td class="zt-author">P*****f<br />发帖数: 2272</td><td width=80% class="zt-bg"><div id="post24" style="position:relative"><div class="zt-counter">24</div><div style="margin-bottom:20px;font-size:1.1em"><span style="font-weight:bold">来自主题: </span><span class="board">Programming版</span> - <a href="/zhuti/Programming/13551117/#post4" style="font-size:1.1em">关于 VC++ vitual, reload 和 derive的一个问题...</a></div><span>edited<br /> 3.3.7 Name hiding<br /> ...<br /> The declaration of a member in a derived class (clause 10) hides the<br /> declaration of a member of a base class of the same name; see 10.2.<br /> 4 During the lookup of a name qualified by a namespace name, declarations<br /> that would otherwise be made<br /> visible by a using-directive can be hidden by declarations with the same<br /> name in the namespace containing<br /> the using-directive; see (3.4.3.2).<br /> <br /> what do you mean?</span></div></td></tr></table></td> </tr> <tr> <td><table style="margin-top:0"><tr><td class="zt-author">z***e<br />发帖数: 5393</td><td width=80% class="zt-bg2"><div id="post25" style="position:relative"><div class="zt-counter">25</div><div style="margin-bottom:20px;font-size:1.1em"><span style="font-weight:bold">来自主题: </span><span class="board">Programming版</span> - <a href="/zhuti/Programming/22310688/#post1" style="font-size:1.1em">最初级的白痴C++问题</a></div><span>呃，虽然很丢脸，不过还是要问问：<br /> Visual C++ .net 2005里面怎么compile 标准C++程序？<br /> 选 console，然后选precompiled header，然后这样一个小东西：<br /> #include <stdfx.h> <br /> using namespace std;<br /> .....<br /> 然后就非要说这个namespace找不到......<br /> 折腾半天改改也可以通过，但是搞不懂有什么简便方法可以直接像linux下面那样写。</span></div></td></tr></table></td> </tr> <tr> <td><table style="margin-top:0"><tr><td class="zt-author">h**o<br />发帖数: 347</td><td width=80% class="zt-bg"><div id="post26" style="position:relative"><div class="zt-counter">26</div><div style="margin-bottom:20px;font-size:1.1em"><span style="font-weight:bold">来自主题: </span><span class="board">Programming版</span> - <a href="/zhuti/Programming/23335153/#post1" style="font-size:1.1em">两个继承问题</a></div><span>1. 现在有ＡＢ两个类，由于ＡＢ的constructor比较大，又只有f()不相同<br /> 我想在初始化Ｂ的时候实现动态绑定，请问怎么样可以实现？不成功的代码如下<br /> #include <iostream><br /> using namespace std;<br /> class A{<br /> public:<br /> A() { f(); }<br /> virtual void f() { cout << "As class A" << endl; }<br /> };<br /> class B: public A{<br /> public:<br /> B():A() { }<br /> virtual void f() { cout << "As class B" << endl; }<br /> };<br /> int main()<br /> {<br /> B b;<br /> return 0;<br /> }<br /> 输出结果为As class A<br /> 2. 这个我不太清楚是不是compiler的问题还是什么特别规则，感觉非常奇怪<br /> #include <iostream><br /> using namespace std;<br /> class A{<br /> public:<br /> virtual void f() { cout << "As class A" << end</span></div></td></tr></table></td> </tr> <tr> <td><table style="margin-top:0"><tr><td class="zt-author">X****r<br />发帖数: 3557</td><td width=80% class="zt-bg2"><div id="post27" style="position:relative"><div class="zt-counter">27</div><div style="margin-bottom:20px;font-size:1.1em"><span style="font-weight:bold">来自主题: </span><span class="board">Programming版</span> - <a href="/zhuti/Programming/30300497/#post2" style="font-size:1.1em">Question about a TICPP example</a></div><span>std::count是<algorithm>里的一个函数，你using namespace std;又定义了一个重名的<br /> 全局变量，编译器自然不知道你在函数里指的是哪一个。你用另一个变量名就好了。<br /> 教训就是，一般来说，不要using namespace std;</span></div></td></tr></table></td> </tr> <tr> <td><table style="margin-top:0"><tr><td class="zt-author">c***d<br />发帖数: 996</td><td width=80% class="zt-bg"><div id="post28" style="position:relative"><div class="zt-counter">28</div><div style="margin-bottom:20px;font-size:1.1em"><span style="font-weight:bold">来自主题: </span><span class="board">Programming版</span> - <a href="/zhuti/Programming/31150972/#post1" style="font-size:1.1em">[合集] (c++)为什么不能把这个function的definition放到class里</a></div><span>☆─────────────────────────────────────☆<br /> chamberlain (PKU|PHY01|面朝大海|春暖花开) 于 (Mon Jul 2 18:07:20 2007) 提到:<br /> (c++)为什么不能把这个function的definition放到class里面？<br /> 一个很简单的class，如下，编译可以通过<br /> #include<iostream><br /> using namespace std;<br /> class Apple{<br /> public:<br /> void print();//declaration<br /> };<br /> void Apple::print() {<br /> cout<<"I am an apple"<<endl;<br /> }<br /> 但是如果把print()的definition部分挪到class里面去，如下，为什么就不行了呢？<br /> #include<iostream><br /> using namespace std;<br /> class Apple{<br /> public:<br /> void print();//declaration<br /> </span></div></td></tr></table></td> </tr> <tr> <td><table style="margin-top:0"><tr><td class="zt-author">C******r<br />发帖数: 179</td><td width=80% class="zt-bg2"><div id="post29" style="position:relative"><div class="zt-counter">29</div><div style="margin-bottom:20px;font-size:1.1em"><span style="font-weight:bold">来自主题: </span><span class="board">Programming版</span> - <a href="/zhuti/Programming/31151738/#post1" style="font-size:1.1em">C++ Singleton Help</a></div><span>I need port a C++ application from linux to VC++ environment. I am using<br /> Visual studio 2005. I just can't get it compiled successfully. The problem<br /> is the reference to pointer type returned by a function. I know there are<br /> tons of implementations about singleton class. But I need your help to tell<br /> me what's wrong with my implementation. You can use test.cc I attached to<br /> link Singleton.h<br /> Thank you very much.<br /> The head file Single.h:<br /> / NAMESPACES<br /> namespace Qf<br /> {<br /> template <typename T> class Singlet</span></div></td></tr></table></td> </tr> <tr> <td><table style="margin-top:0"><tr><td class="zt-author">g*******s<br />发帖数: 59</td><td width=80% class="zt-bg"><div id="post30" style="position:relative"><div class="zt-counter">30</div><div style="margin-bottom:20px;font-size:1.1em"><span style="font-weight:bold">来自主题: </span><span class="board">Programming版</span> - <a href="/zhuti/Programming/31153118/#post1" style="font-size:1.1em">Why should i include .cpp instead of .h</a></div><span>Three files:<br /> complex.h<br /> #ifndef COMPLEX_H<br /> #define COMPLEX_H<br /> #include <iostream><br /> using namespace std;<br /> template<class T><br /> class Complex{<br /> friend ostream & operator << <T>(ostream &output, const Complex<T> &rhs);<br /> private:<br /> T real;<br /> T imaginary;<br /> <br /> public:<br /> explicit Complex(T x, T y):real(x),imaginary(y){}<br /> ~Complex(){}<br /> Complex<T> & operator +(const Complex<T> &rhs) const;<br /> .<br /> .<br /> .<br /> };<br /> #endif<br /> complex.cpp<br /> #include "complex.h"<br /> using namespace std;<br /> template<class T><br /> ostream & operator</span></div></td></tr></table></td> </tr> <tr> <td><table style="margin-top:0"><tr><td class="zt-author">n*c<br />发帖数: 228</td><td width=80% class="zt-bg2"><div id="post31" style="position:relative"><div class="zt-counter">31</div><div style="margin-bottom:20px;font-size:1.1em"><span style="font-weight:bold">来自主题: </span><span class="board">Programming版</span> - <a href="/zhuti/Programming/31156460/#post1" style="font-size:1.1em">A C++ question</a></div><span>std::cout << "Volatility = " << io::volatility(volatility)<br /> << std::endl;<br /> in the above code io::volatility is puzzling. in the namespace there is no<br /> io class at least for the lib. is it in C++ std namespace?<br /> how to explain this?</span></div></td></tr></table></td> </tr> <tr> <td><table style="margin-top:0"><tr><td class="zt-author">f********a<br />发帖数: 1109</td><td width=80% class="zt-bg"><div id="post32" style="position:relative"><div class="zt-counter">32</div><div style="margin-bottom:20px;font-size:1.1em"><span style="font-weight:bold">来自主题: </span><span class="board">Programming版</span> - <a href="/zhuti/Programming/31160253/#post1" style="font-size:1.1em">问一个简单的C++问题</a></div><span>有一段代码vector.h和vector.cc<br /> [CODE]//vector.h<br /> int add(int x, int y);<br /> //vector.cc<br /> #include <iostream><br /> int add(int x, int y){<br /> return (x+y);<br /> }<br /> int main(){<br /> std::cout<<add(1,1)<<std::endl;<br /> return 0;<br /> }<br /> [/CODE]<br /> 显然我不需要include "vector.h"就可以编译成功。因为编译器自动会找vector.h<br /> 但是当我用了namespace以后：<br /> [CODE]//vector.h<br /> namespace TEST{<br /> int add(int x, int y);<br /> }<br /> //vector.cc<br /> #include <iostream><br /> #include "vector.h"<br /> int TEST::add(int x, int y){<br /> return (x+y);<br /> }<br /> int main(){<br /> std::cout<<TEST::add(1,1)<<std::endl;<br /> retur</span></div></td></tr></table></td> </tr> <tr> <td><table style="margin-top:0"><tr><td class="zt-author">h*******n<br />发帖数: 2052</td><td width=80% class="zt-bg2"><div id="post33" style="position:relative"><div class="zt-counter">33</div><div style="margin-bottom:20px;font-size:1.1em"><span style="font-weight:bold">来自主题: </span><span class="board">Programming版</span> - <a href="/zhuti/Programming/31161753/#post3" style="font-size:1.1em">请教cin.get()</a></div><span>很简单一个程序：<br /> #include <iostream><br /> using namespace std;<br /> int main()<br /> {<br /> int a=2;<br /> //cin>>a;<br /> cout<<a;<br /> cin.get();<br /> return 0;<br /> }<br /> 这里cin.get();的作用是让屏幕保持原来的状态以便看到a的输出值。（我用的是Dev-C<br /> ++)<br /> 如果改成<br /> #include <iostream><br /> using namespace std;<br /> int main()<br /> {<br /> int a;<br /> cin>>a;<br /> cout<<a;<br /> cin.get();<br /> return 0;<br /> }<br /> cin.get();就不work了， 程序直接就返回了， 没有在cin.get()处等待。 据说是因为<br /> 前面有一个cin语句。</span></div></td></tr></table></td> </tr> <tr> <td><table style="margin-top:0"><tr><td class="zt-author">r****t<br />发帖数: 10904</td><td width=80% class="zt-bg"><div id="post34" style="position:relative"><div class="zt-counter">34</div><div style="margin-bottom:20px;font-size:1.1em"><span style="font-weight:bold">来自主题: </span><span class="board">Programming版</span> - <a href="/zhuti/Programming/31162498/#post10" style="font-size:1.1em">C++ linking 弱问 (one file)</a></div><span>template的声明和定义分开，是不是说像下面这样？ linking 好像没出错。我没有用<br /> explicit instantiation 吧? 头文件有点多，include 挺乱，不好保证 reference 到以前有定义。。<br /> namespace SArray {<br /> template <typename T, unsigned n_dims> class Array;<br /> template <typename T><br /> class Array<T, 3><br /> {<br /> public:<br /> Array() {}<br /> };<br /> }<br /> namespace M {<br /> class Location;<br /> // first arg has to be "const" Location &<br /> template <typename T><br /> void read(const Location &, const char * dataset_name, T & matrix);<br /> cl</span></div></td></tr></table></td> </tr> <tr> <td><table style="margin-top:0"><tr><td class="zt-author">k**f<br />发帖数: 372</td><td width=80% class="zt-bg2"><div id="post35" style="position:relative"><div class="zt-counter">35</div><div style="margin-bottom:20px;font-size:1.1em"><span style="font-weight:bold">来自主题: </span><span class="board">Programming版</span> - <a href="/zhuti/Programming/31163340/#post2" style="font-size:1.1em">static 变量放在哪里？C++</a></div><span><br /> Where the static variables are stored is implementation defined, but neither<br /> stack nor heap.<br /> Read these for more information.<br /> <a href="http://stackoverflow.com/questions/93039/where-are-static-variables-stored-in-cc" rel="nofollow">http://stackoverflow.com/questions/93039/where-are-static-variables-stored-in-cc</a><br /> <a href="http://bytes.com/forum/thread650504.html" rel="nofollow">http://bytes.com/forum/thread650504.html</a><br /> One way to store all static variables in different namespace in a<br /> centralized location is to decorate each of them with the namespace/class<br /> names.</span></div></td></tr></table></td> </tr> <tr> <td><table style="margin-top:0"><tr><td class="zt-author">m********g<br />发帖数: 46</td><td width=80% class="zt-bg"><div id="post36" style="position:relative"><div class="zt-counter">36</div><div style="margin-bottom:20px;font-size:1.1em"><span style="font-weight:bold">来自主题: </span><span class="board">Programming版</span> - <a href="/zhuti/Programming/31164484/#post1" style="font-size:1.1em">问几个C++小题</a></div><span>1. In a class member function, the first place name lookups are performed is<br /> in the member function definition's block. What is the next level that is<br /> searched during name resolution? <br /> Choice 1 <br /> The global namespace <br /> Choice 2 <br /> The class or one of its base classes <br /> Choice 3 <br /> External translation units <br /> Choice 4 <br /> The namespace that the class is declared in <br /> Choice 5 <br /> An enclosing class, if the class is a nested class <br /> 2. Inside a class member function definition, which scope is searched firs</span></div></td></tr></table></td> </tr> <tr> <td><table style="margin-top:0"><tr><td class="zt-author">e****d<br />发帖数: 333</td><td width=80% class="zt-bg2"><div id="post37" style="position:relative"><div class="zt-counter">37</div><div style="margin-bottom:20px;font-size:1.1em"><span style="font-weight:bold">来自主题: </span><span class="board">Programming版</span> - <a href="/zhuti/Programming/31168363/#post1" style="font-size:1.1em">不用头文件，如何调用函数？C++</a></div><span>进入未名形象秀<br /> 我的博客<br /> <br /> [回复文章] [回信给作者] [本篇全文] [进入讨论区] [返回顶部] [修改文章] [删除<br /> 文章] [转寄] [转贴] [ 1 ]<br /> 发信人: everid (everid), 信区: Programming<br /> 标 题: 一道C++习题求解。<br /> 发信站: BBS 未名空间站 (Thu Feb 26 00:32:25 2009)<br /> Without including a header file, declare the function puts() from the<br /> Standard C Library. Call this function from main().<br /> 我写：<br /> //main.cpp<br /> namespace std{<br /> int puts(const char*);<br /> }<br /> main(){<br /> using namespace std;<br /> puts("h");<br /> }<br /> >g++ main.cpp<br /> 报错：<br /> In function `main': undefined reference to `std::puts(char const*)'<br /> 怎么回事呢？</span></div></td></tr></table></td> </tr> <tr> <td><table style="margin-top:0"><tr><td class="zt-author">t****t<br />发帖数: 6806</td><td width=80% class="zt-bg"><div id="post38" style="position:relative"><div class="zt-counter">38</div><div style="margin-bottom:20px;font-size:1.1em"><span style="font-weight:bold">来自主题: </span><span class="board">Programming版</span> - <a href="/zhuti/Programming/31169247/#post7" style="font-size:1.1em">【请教】mpicc 和 mpiCC编译问题</a></div><span>1. how did you define/declare it?<br /> did you define/declare using "GKfree", but declared BEFORE<br /> #define GKfree __GKfree<br /> ?<br /> 2. Of course you can't use namespace (I assume you meant namespace) in C. If<br /> you must, declare wrapper function in C++.</span></div></td></tr></table></td> </tr> <tr> <td><table style="margin-top:0"><tr><td class="zt-author">g****y<br />发帖数: 436</td><td width=80% class="zt-bg2"><div id="post39" style="position:relative"><div class="zt-counter">39</div><div style="margin-bottom:20px;font-size:1.1em"><span style="font-weight:bold">来自主题: </span><span class="board">Programming版</span> - <a href="/zhuti/Programming/31179035/#post1" style="font-size:1.1em">无法编译一个文件</a></div><span>一个cpp文件的头部：<br /> #include "BEDFileData.h"<br /> #include <fstream><br /> using namespace std;<br /> using namespace affxbed;<br /> #pragma warning(disable: 4996)<br /> 然后中间有用到 strlen之类的函数，比如：<br /> void BEDFileData::FormatTrack(const char *name, const char *desc)<br /> {<br /> char line[256];<br /> if (desc && strlen(desc) > 0)<br /> sprintf(line, "%s\"%s\" description=\"%s\"", TRACK_LINE_<br /> START, name, desc)<br /> ;<br /> else<br /> sprintf(line, "%s\"%s\"", TRACK_LINE_START, name);<br /> track=line;<br /> }<br /> 编译的时候，报错说：<br /> error:</span></div></td></tr></table></td> </tr> <tr> <td><table style="margin-top:0"><tr><td class="zt-author">z****e<br />发帖数: 2024</td><td width=80% class="zt-bg"><div id="post40" style="position:relative"><div class="zt-counter">40</div><div style="margin-bottom:20px;font-size:1.1em"><span style="font-weight:bold">来自主题: </span><span class="board">Programming版</span> - <a href="/zhuti/Programming/31184613/#post15" style="font-size:1.1em">还是咱们这儿，亲。</a></div><span>10.E说的是overloading，但是茴香豆的茴字写法是说：<br /> overload 是同一个类自己内部的事情。<br /> 如果子类重新定义，分为两种情况，<br /> 1.redefine: if base member fun version not virtual<br /> 2.override: if base mem fun is virtual.<br /> 没有overload的事。name hiding 是以上这两种情况。<br /> 本题应该属于第一类，就是redefine.<br /> 这个是小人的一点粗浅理解。<br /> 你想也是，overload本身就是体现同名而不同功能，不会hide name。所以overload和namehide还是不同的。namehide是不同namespace的事情，overload是同一个namespace的事情。<br /> 这个是小人的一点很不成熟的想法。<br /> <br /> if<br /> this</span></div></td></tr></table></td> </tr> <tr> <td><table style="margin-top:0"><tr><td class="zt-author">z****e<br />发帖数: 2024</td><td width=80% class="zt-bg2"><div id="post41" style="position:relative"><div class="zt-counter">41</div><div style="margin-bottom:20px;font-size:1.1em"><span style="font-weight:bold">来自主题: </span><span class="board">Programming版</span> - <a href="/zhuti/Programming/31185945/#post1" style="font-size:1.1em">c++ std::abs(int) ambiguous?</a></div><span>#include <iostream><br /> #include <queue><br /> #include <limits><br /> using namespace std;<br /> 后面用了abs（）<br /> error: call of overloaded ‘abs(double)’ is ambiguous<br /> /usr/include/stdlib.h:691: note: candidates are: int abs(int)<br /> 没办法，把using namespace std;去掉，然后一个一个的using。编译通过了。<br /> 我估计是用了stdlib里边的abs，但是精度太差了。<br /> 怎么调用一个take double 的abs（） 呢？</span></div></td></tr></table></td> </tr> <tr> <td><table style="margin-top:0"><tr><td class="zt-author">r****t<br />发帖数: 10904</td><td width=80% class="zt-bg"><div id="post42" style="position:relative"><div class="zt-counter">42</div><div style="margin-bottom:20px;font-size:1.1em"><span style="font-weight:bold">来自主题: </span><span class="board">Programming版</span> - <a href="/zhuti/Programming/31189653/#post6" style="font-size:1.1em">static variable in template header</a></div><span>namespace {<br /> #include "fruit";<br /> class Apple {<br /> ...<br /> };<br /> }<br /> namespace {<br /> #include "fruit";<br /> class Orange {<br /> ...<br /> };<br /> }<br /> <br /> is</span></div></td></tr></table></td> </tr> <tr> <td><table style="margin-top:0"><tr><td class="zt-author">z****e<br />发帖数: 2024</td><td width=80% class="zt-bg2"><div id="post43" style="position:relative"><div class="zt-counter">43</div><div style="margin-bottom:20px;font-size:1.1em"><span style="font-weight:bold">来自主题: </span><span class="board">Programming版</span> - <a href="/zhuti/Programming/31190675/#post3" style="font-size:1.1em">多线程有什么优化的方法？</a></div><span>我用了个Zthread库，不是很主流的。<br /> #include <zthread/Thread.h><br /> #include <zthread/Runnable.h><br /> #include <iostream><br /> #include <ctime><br /> #include <algorithm><br /> #include "zthread/Condition.h"<br /> #include "zthread/Mutex.h"<br /> #include "zthread/Guard.h"<br /> #include "zthread/ThreadedExecutor.h"<br /> using namespace ZThread;<br /> using namespace std;<br /> const int M=1E8;<br /> class oprand{<br /> public:<br /> oprand():c(lock),n1(0),n2(0),flag1(0),flag2(0){}<br /> void cal1(){<br /> for(n1=1 ;n1<1E8;n1=n1+n1%3)<br /> flag1=1;<br /> c.signal();<br /> }<br /> void cal2(){<br /> for(</span></div></td></tr></table></td> </tr> <tr> <td><table style="margin-top:0"><tr><td class="zt-author">a****d<br />发帖数: 114</td><td width=80% class="zt-bg"><div id="post44" style="position:relative"><div class="zt-counter">44</div><div style="margin-bottom:20px;font-size:1.1em"><span style="font-weight:bold">来自主题: </span><span class="board">Programming版</span> - <a href="/zhuti/Programming/31192097/#post2" style="font-size:1.1em">frend func defined in class</a></div><span>下面这个是work的:<br /> //////////////////////////////<br /> #include<iostream><br /> class C<br /> {<br /> friend void f(C* c){}<br /> };<br /> int main()<br /> {<br /> f((C*)0);<br /> return 0;<br /> }<br /> //////////////////////////////<br /> 大概和namespace还有Argument Dependent Lookup有关。我在看c++ primer, 但还没有<br /> 到namespace那里...</span></div></td></tr></table></td> </tr> <tr> <td><table style="margin-top:0"><tr><td class="zt-author">S**I<br />发帖数: 15689</td><td width=80% class="zt-bg2"><div id="post45" style="position:relative"><div class="zt-counter">45</div><div style="margin-bottom:20px;font-size:1.1em"><span style="font-weight:bold">来自主题: </span><span class="board">Programming版</span> - <a href="/zhuti/Programming/31194647/#post2" style="font-size:1.1em">c++古怪问题。。。。 (转载)</a></div><span>CS版不是有人回答你了吗？The definition for a static data member shall appear<br /> in a namespace scope enclosing the member's class definition. In the<br /> definition at namespace scope, the name of the static data member shall be<br /> qualified by its class name using the :: operator.<br /> <br /> hashtable</span></div></td></tr></table></td> </tr> <tr> <td><table style="margin-top:0"><tr><td class="zt-author">a****o<br />发帖数: 686</td><td width=80% class="zt-bg"><div id="post46" style="position:relative"><div class="zt-counter">46</div><div style="margin-bottom:20px;font-size:1.1em"><span style="font-weight:bold">来自主题: </span><span class="board">Programming版</span> - <a href="/zhuti/Programming/31194841/#post10" style="font-size:1.1em">一个初级问题，查了很久没有结果，请大侠指点迷津</a></div><span>这个叫作 “name hide”。<br /> 成员函数都是全局函数，不同是，1,用了class name作为namespace，2.pass 一个<br /> this pointer。<br /> B重新定义以后，B的namespace里边就只有重新声明的函数name了。A的被hide了。</span></div></td></tr></table></td> </tr> <tr> <td><table style="margin-top:0"><tr><td class="zt-author">x***o<br />发帖数: 135</td><td width=80% class="zt-bg2"><div id="post47" style="position:relative"><div class="zt-counter">47</div><div style="margin-bottom:20px;font-size:1.1em"><span style="font-weight:bold">来自主题: </span><span class="board">Programming版</span> - <a href="/zhuti/Programming/31197633/#post1" style="font-size:1.1em">how to get reference.vb file? (转载)</a></div><span>【 以下文字转载自 DotNet 讨论区 】<br /> 发信人: xltao (iii), 信区: DotNet<br /> 标 题: how to get reference.vb file?<br /> 发信站: BBS 未名空间站 (Tue Jan 4 10:29:46 2011, 美东)<br /> Hi, I am a newbee for dot.net.<br /> I am trying to add a web reference throught he wdsl file. But I couldn't get<br /> the the auto generated reference.vb file. I can see the reference.map file.<br /> When I try to update the webreference. I got the the following error<br /> message:<br /> The custom tool 'MSDiscoCodeGenerator' failed. Unable to import binding '<br /> BindingName' from namespace '... <a href="/zhuti/Programming/31197633/#post1">阅读全帖</a></span></div></td></tr></table></td> </tr> <tr> <td><table style="margin-top:0"><tr><td class="zt-author">X****r<br />发帖数: 3557</td><td width=80% class="zt-bg"><div id="post48" style="position:relative"><div class="zt-counter">48</div><div style="margin-bottom:20px;font-size:1.1em"><span style="font-weight:bold">来自主题: </span><span class="board">Programming版</span> - <a href="/zhuti/Programming/31197673/#post2" style="font-size:1.1em">in-class static member question</a></div><span>9.4.2 Static data members<br /> 2 The declaration of a static data member in its class<br /> definition is not a definition and may be of an incomplete<br /> type other than cv-qualified void. A definition shall be<br /> provided for the static data member if it is used in the<br /> program.<br /> ...<br /> 4 If a static data member is of const integral or const<br /> enumeration type, its declaration in the class definition<br /> can specify a constant-initializer which shall be an<br /> integral constant expression. In that case, the m... <a href="/zhuti/Programming/31197673/#post2">阅读全帖</a></span></div></td></tr></table></td> </tr> <tr> <td><table style="margin-top:0"><tr><td class="zt-author">r*******y<br />发帖数: 1081</td><td width=80% class="zt-bg2"><div id="post49" style="position:relative"><div class="zt-counter">49</div><div style="margin-bottom:20px;font-size:1.1em"><span style="font-weight:bold">来自主题: </span><span class="board">Programming版</span> - <a href="/zhuti/Programming/31200397/#post1" style="font-size:1.1em">c++ class definition</a></div><span>is this definition local to a file ? for example<br /> // file 1.cpp<br /> #include <iostream><br /> using namespace std;<br /> class mytest{<br /> int i;<br /> }<br /> int main(){<br /> return 0;<br /> }<br /> // file 2.cpp<br /> #include <iostream><br /> using namespace std;<br /> class mytest{<br /> int i;<br /> }<br /> Then I compile g++ -o 1 1.cpp 2.cpp<br /> it is ok. So I just think that class definition should be<br /> local to the file, or otherwise there should be<br /> multidefinition error in this example, right ? Thanks.</span></div></td></tr></table></td> </tr> </tbody></table></div> </div> <div id="pager" style="margin-top:25px"> <div><table class="searchpages" style="float: right"><tbody><tr> <td><a href="/huati/namespaces/">首页</a></td> <td><a href="/huati/namespaces/2">上页</a></td> <td><a href="/huati/namespaces/">1</a></td> <td><a href="/huati/namespaces/2">2</a></td> <td>3</td> <td><a href="/huati/namespaces/4">4</a></td> <td><a href="/huati/namespaces/5">5</a></td> <td><a href="/huati/namespaces/6">6</a></td> <td><a href="/huati/namespaces/7">7</a></td> <td><a href="/huati/namespaces/8">8</a></td> <td><a href="/huati/namespaces/9">9</a></td> <td><a href="/huati/namespaces/10">10</a></td> <td><a href="/huati/namespaces/4">下页</a></td> <td><a href="/huati/namespaces/10">末页</a></td> <td>(共10页)</td> </tr> </tbody></table></div> </div> </div> <span class="anchor" id="line-3"></span><span class="anchor" id="bottom"></span></div><div id="pagebottom"></div></div><div class="sidebar"><div dir="ltr" id="SideBar.sidebar" lang="zh"><span class="anchor" id="SideBar.top"></span> <span class="anchor" id="SideBar.line-1"></span><span class="anchor" id="SideBar.line-2"></span><p class="line867"><div id="rankings"><h3>未名新帖统计<span>//&nbsp;7月16日</span></h3><div><table width=100%><tr><th width=10% align=left>#</th><th width=50% align=left>版面</th><th width=40% align=left>帖数(主题数)</th></tr><tr><td>-</td><td>全站</td><td>4871 (796)</td></tr><tr><td>1</td><td><a title="军事天地" href="/board/Military/">Military</a></td><td>3777 (569)</td></tr><tr><td>2</td><td><a title="股海弄潮" href="/board/Stock/">Stock</a></td><td>341 (51)</td></tr><tr><td>3</td><td><a title="肚皮舞运动" href="/board/Joke/">Joke</a></td><td>117 (17)</td></tr><tr><td>4</td><td><a title="史海钩沉" href="/board/History/">History</a></td><td>116 (3)</td></tr><tr><td>5</td><td><a title="车轮上的传奇" href="/board/Automobile/">Automobile</a></td><td>100 (9)</td></tr><tr><td>6</td><td><a title="美国新闻" href="/board/USANews/">USANews</a></td><td>55 (9)</td></tr><tr><td>7</td><td><a title="人到中年" href="/board/Midlife/">Midlife</a></td><td>45 (1)</td></tr><tr><td>8</td><td><a title="焦点新闻" href="/board/Headline/">Headline</a></td><td>41 (41)</td></tr><tr><td>9</td><td><a title="梦里花落知多少" href="/board/Dreamer/">Dreamer</a></td><td>33 (13)</td></tr><tr><td>10</td><td><a title="二手市场" href="/board/FleaMarket/">FleaMarket</a></td><td>32 (20)</td></tr><tr><td>11</td><td><a title="家居生活" href="/board/Living/">Living</a></td><td>30 (7)</td></tr></table><p>* 这里只显示发帖超过25的版面，努力灌水吧:-)</p></div></div> <span class="anchor" id="SideBar.line-3"></span><div id="matched_content" style="margin: 5px 2px 5px 2px"></div> <span class="anchor" id="SideBar.line-4"></span> <h3 id="SideBar.A.2BU4ZT8k4KdoROylkp-">历史上的今天</h3> <span class="anchor" id="SideBar.line-5"></span><p class="line867"><div class="BlikiSummary" style="margin-bottom:1.2em;margin-left:0.5em"><ol><li><a href="/zhuti/ChineseClassics/31268413/">faintcat妹妹看进来～～</a> 发表于12年前.</li><li><a href="/zhuti/EB23/31380293/">NSC, PD 1/7/2007, EB2, ...</a> 发表于11年前.</li><li><a href="/zhuti/FleaMarket/35696181/">[FBA求购]MJVE2 758 MJVM2 ...</a> 发表于6年前.</li><li><a href="/zhuti/Parenting/31948559/">老生常谈,归与不归</a> 发表于10年前.</li><li><a href="/zhuti/board/31486231/">【申请】Seattle西雅图 版版主——申请人...</a> 发表于9年前.</li><li><a href="/zhuti/NextGeneration/36332471/">宝宝出生，头骨骨折，求祝福</a> 发表于9年前.</li><li><a href="/zhuti/ClassicalMusic/31210935/">求推荐舒缓优美的古典音乐</a> 发表于11年前.</li><li><a href="/zhuti/PhotoGear/34338217/">百分之一的北京人上北大 中国网友愤怒(转载）</a> 发表于10年前.</li><li><a href="/zhuti/pets/31825797/">新人带狗狗Bailey来报道</a> 发表于12年前.</li><li><a href="/zhuti/Football/31468183/">全世界最有价值的运动队</a> 发表于10年前.</li><li><a href="/zhuti/Automobile/35426999/">请问大切诺基的质量如何</a> 发表于6年前.</li><li><a href="/zhuti/_RuS/23459405/">TNND，军版全是BKC</a> 发表于15年前.</li><li><a href="/zhuti/_LoTaYu/31206385/">Inception</a> 发表于12年前.</li><li><a href="/zhuti/Seattle/32526849/">微软的有些家属可真恶心，为了卖保险脸都不要了</a> 发表于10年前.</li><li><a href="/zhuti/Military/39967953/">每周坐高铁的苦逼来说说感受吧!!</a> 发表于9年前.</li></ol></div> <span class="anchor" id="SideBar.line-6"></span> <script async src="https://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js?client=ca-pub-2229050667028251" crossorigin="anonymous"></script> <!-- SidebarW1 --> <ins class="adsbygoogle" style="display:block" data-ad-client="ca-pub-2229050667028251" data-ad-slot="2711874079" data-ad-format="auto" data-full-width-responsive="true"></ins> <script> (adsbygoogle = window.adsbygoogle || []).push({}); </script> <span class="anchor" id="SideBar.line-7"></span><span class="anchor" id="SideBar.bottom"></span></div><div id="sidebar-end"></div></div></div><div class="footer"><span class="license">除非另有声明，本站内容采用Creative Commons BY-NC-SA 3.0协议进行许可，转载请注明来自<a href="/">未名观察</a> - <a href="/PrivacyPolicy">隐私政策</a></span><span class="time" lang="zh" dir="ltr">2017-12-02 11:50:45由<span title="admin"><a href="/admin" title="admin">admin</a></span>编辑</span> </div> <script> var _gaq=[['_setAccount','UA-18482428-3'],['_trackPageview'],['_trackPageLoadTime']]; (function(d,t){var g=d.createElement(t),s=d.getElementsByTagName(t)[0]; g.src=('https:'==location.protocol?'//ssl':'//www')+'.google-analytics.com/ga.js'; s.parentNode.insertBefore(g,s)}(document,'script')); </script> <script type="text/javascript" src="http://s.skimresources.com/js/27394X857871.skimlinks.js"></script> </body> </html>