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• Hudson plugin problem

  - by user27644

  Hi. I've created almost the same plugin as JobTypeColumn. There is only one difference - it shows job description instead of job type. But after i can't add this column to my list view. I have an NullPointerException after i edited my config.xml manually. java.lang.NullPointerException at hudson.model.Descriptor.newInstancesFromHeteroList(Descriptor.java:626) at hudson.util.DescribableList.rebuildHetero(DescribableList.java:164) at hudson.model.ListView.submit(ListView.java:262) at hudson.model.View.doConfigSubmit(View.java:484) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.kohsuke.stapler.Function$InstanceFunction.invoke(Function.java:185) at org.kohsuke.stapler.Function.bindAndInvoke(Function.java:101) at org.kohsuke.stapler.Function.bindAndInvokeAndServeResponse(Function.java:54) at org.kohsuke.stapler.MetaClass$1.doDispatch(MetaClass.java:74) at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:30) at org.kohsuke.stapler.Stapler.invoke(Stapler.java:492) at org.kohsuke.stapler.MetaClass$6.doDispatch(MetaClass.java:180) at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:30) at org.kohsuke.stapler.Stapler.invoke(Stapler.java:492) at org.kohsuke.stapler.Stapler.invoke(Stapler.java:408) at org.kohsuke.stapler.Stapler.service(Stapler.java:117) at javax.servlet.http.HttpServlet.service(HttpServlet.java:45) at winstone.ServletConfiguration.execute(ServletConfiguration.java:249) at winstone.RequestDispatcher.forward(RequestDispatcher.java:335) at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:378) at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:94) at net.bull.javamelody.MonitoringFilter.doFilter(MonitoringFilter.java:304) at org.jvnet.hudson.plugins.monitoring.HudsonMonitoringFilter.doFilter(HudsonMonitoringFilter.java:31) at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:97) at hudson.util.PluginServletFilter.doFilter(PluginServletFilter.java:86) at winstone.FilterConfiguration.execute(FilterConfiguration.java:195) at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:368) at hudson.security.csrf.CrumbFilter.doFilter(CrumbFilter.java:47) at winstone.FilterConfiguration.execute(FilterConfiguration.java:195) at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:368) at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:84) at hudson.security.ChainedServletFilter.doFilter(ChainedServletFilter.java:76) at hudson.security.HudsonFilter.doFilter(HudsonFilter.java:164) at winstone.FilterConfiguration.execute(FilterConfiguration.java:195) at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:368) at winstone.RequestDispatcher.forward(RequestDispatcher.java:333) at winstone.RequestHandlerThread.processRequest(RequestHandlerThread.java:244) at winstone.RequestHandlerThread.run(RequestHandlerThread.java:150) at java.lang.Thread.run(Unknown Source)

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• unlinked libraries in a makefile?

  - by wyatt

  I'm trying to install a libspopc, but when I run the make I get the following output: cc -Wall -Wextra -pedantic -pipe -fPIC -Os -DUSE_SSL -c session.c cc -Wall -Wextra -pedantic -pipe -fPIC -Os -DUSE_SSL -c queries.c cc -Wall -Wextra -pedantic -pipe -fPIC -Os -DUSE_SSL -c parsing.c cc -Wall -Wextra -pedantic -pipe -fPIC -Os -DUSE_SSL -c format.c cc -Wall -Wextra -pedantic -pipe -fPIC -Os -DUSE_SSL -c objects.c cc -Wall -Wextra -pedantic -pipe -fPIC -Os -DUSE_SSL -c libspopc.c rm -f libspopc*.a ar r libspopc-0.9n.a session.o queries.o parsing.o format.o objects.o libspopc.o ar: creating libspopc-0.9n.a ranlib libspopc-0.9n.a ln -s libspopc-0.9n.a libspopc.a rm -f libspopc*.so cc -o libspopc-0.9n.so -shared session.o queries.o parsing.o format.o objects.o libspopc.o ln -s libspopc-0.9n.so libspopc.so cc -o poptest1 -Wall -Wextra -pedantic -pipe -fPIC -Os -DUSE_SSL examples/poptest1.c -L. -lspopc -lssl -lcrypto /usr/local/lib/libcrypto.a(dso_dlfcn.o): In function `dlfcn_globallookup': dso_dlfcn.c:(.text+0x2d): undefined reference to `dlopen' dso_dlfcn.c:(.text+0x43): undefined reference to `dlsym' dso_dlfcn.c:(.text+0x4d): undefined reference to `dlclose' /usr/local/lib/libcrypto.a(dso_dlfcn.o): In function `dlfcn_pathbyaddr': dso_dlfcn.c:(.text+0x8f): undefined reference to `dladdr' dso_dlfcn.c:(.text+0xe9): undefined reference to `dlerror' /usr/local/lib/libcrypto.a(dso_dlfcn.o): In function `dlfcn_bind_func': dso_dlfcn.c:(.text+0x491): undefined reference to `dlsym' dso_dlfcn.c:(.text+0x570): undefined reference to `dlerror' /usr/local/lib/libcrypto.a(dso_dlfcn.o): In function `dlfcn_bind_var': dso_dlfcn.c:(.text+0x5f1): undefined reference to `dlsym' dso_dlfcn.c:(.text+0x6d0): undefined reference to `dlerror' /usr/local/lib/libcrypto.a(dso_dlfcn.o): In function `dlfcn_unload': dso_dlfcn.c:(.text+0x735): undefined reference to `dlclose' /usr/local/lib/libcrypto.a(dso_dlfcn.o): In function `dlfcn_load': dso_dlfcn.c:(.text+0x817): undefined reference to `dlopen' dso_dlfcn.c:(.text+0x88e): undefined reference to `dlclose' dso_dlfcn.c:(.text+0x8d5): undefined reference to `dlerror' collect2: ld returned 1 exit status make: *** [poptest1] Error 1 A quick search suggested that this was due to libdl being unlinked, though this seems unlikely in a distributed library, particularly a seemingly relatively popular one. Could anything else be causing this? And if it is due to an unlinked library, how would I go about fixing it? Thanks

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• Unable to install Perl Crypt::OpenSSL::RSA module, please help

  - by Willy

  Hi Everyone, I spent several hours but unable to install CPAN Crypt::OpenSSL::RSA module. It's required for Postfix's dkimproxy add-on. What I do is to run the following command in the shell: $ perl -MCPAN -e 'install Crypt::OpenSSL::RSA' When I run this command, several lines displayed and at the end, this is displayed: Checking if your kit is complete... Looks good Warning: prerequisite Crypt::OpenSSL::Random 0 not found. Writing Makefile for Crypt::OpenSSL::RSA ---- Unsatisfied dependencies detected during [I/IR/IROBERTS/Crypt-OpenSSL-RSA-0.26.tar.gz] ----- Crypt::OpenSSL::Random Shall I follow them and prepend them to the queue of modules we are processing right now? [yes] Then I hit enter (yes) and tens of lines generated with error. At the end I get this: ... ... RSA.xs:579: warning: implicit declaration of function ‘RSA_sign’ RSA.xs:579: error: ‘rsaData’ has no member named ‘hashMode’ RSA.xs:579: error: ‘rsaData’ has no member named ‘hashMode’ RSA.xs:579: error: ‘rsaData’ has no member named ‘rsa’ RSA.xs: In function ‘XS_Crypt__OpenSSL__RSA_verify’: RSA.xs:605: error: ‘rsaData’ has no member named ‘rsa’ RSA.xs:610: error: ‘rsaData’ has no member named ‘hashMode’ RSA.xs:611: warning: implicit declaration of function ‘RSA_verify’ RSA.xs:611: error: ‘rsaData’ has no member named ‘hashMode’ RSA.xs:613: error: ‘rsaData’ has no member named ‘hashMode’ RSA.xs:616: error: ‘rsaData’ has no member named ‘rsa’ RSA.xs:619: warning: implicit declaration of function ‘ERR_peek_error’ RSA.xs: In function ‘boot_Crypt__OpenSSL__RSA’: RSA.xs:214: warning: implicit declaration of function ‘ERR_load_crypto_strings’ make: *** [RSA.o] Error 1 /usr/bin/make -- NOT OK Running make test Can't test without successful make Running make install make had returned bad status, install seems impossible What am I doing wrong? Please guide me. Thanks.

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• POST Fail via AJAX Request?

  - by Jascha

  I can't for the life of me figure out why this is happening. This is kind of a repost (submitted to stackoverflow, but maybe a server issue?). I am running a javascript log out function called logOut() that has make a jQuery ajax call to a php script... function logOut(){ var data = new Object; data.log_out = true; $.ajax({ type: 'POST', url: 'http://www.mydomain.com/functions.php', data: data, success: function() { alert('done'); } }); } the php function it calls is here: if(isset($_POST['log_out'])){ $query = "INSERT INTO `token_manager` (`ip_address`) VALUES('logOutSuccess')"; $connection->runQuery($query); // <-- my own database class... // omitted code that clears session etc... die(); } Now, 18 hours out of the day this works, but for some reason, every once in a while, the POST data will not trigger my query. (this will last about an hour or so). I figured out the post data is not being set by adding this at the end of my script... $query = "INSERT INTO `token_manager` (`ip_address`) VALUES('POST FAIL')"; $connection->runQuery($query); So, now I know for certain my log out function is being skipped because in my database is the following data: if it were NOT being skipped, my data would show up like this: I know it is being skipped for two reasons, one the die() at the end of my first function, and two, if it were a success a "logOutSuccess" would be registered in the table. Any thoughts? One friend says it's a janky hosting company (hostgator.com). I personally like them because they are cheap and I'm a fan of cpanel. But, if that's the case??? Thanks in advance. -J

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• Use of for_each on map elements

  - by Antonio

  I have a map where I'd like to perform a call on every data type object member function. I yet know how to do this on any sequence but, is it possible to do it on an associative container? The closest answer I could find was this: Boost.Bind to access std::map elements in std::for_each. But I cannot use boost in my project so, is there an STL alternative that I'm missing to boost::bind? If not possible, I thought on creating a temporary sequence for pointers to the data objects and then, call for_each on it, something like this: class MyClass { public: void Method() const; } std::map<int, MyClass> Map; //... std::vector<MyClass*> Vector; std::transform(Map.begin(), Map.end(), std::back_inserter(Vector), std::mem_fun_ref(&std::map<int, MyClass>::value_type::second)); std::for_each(Vector.begin(), Vector.end(), std::mem_fun(&MyClass::Method)); It looks too obfuscated and I don't really like it. Any suggestions?

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• Find max integer size that a floating point type can handle without loss of precision

  - by Checkers

  Double has range more than a 64-bit integer, but its precision is less dues to its representation (since double is 64-bit as well, it can't fit more actual values). So, when representing larger integers, you start to lose precision in the integer part. #include <boost/cstdint.hpp> #include <limits> template<typename T, typename TFloat> void maxint_to_double() { T i = std::numeric_limits<T>::max(); TFloat d = i; std::cout << std::fixed << i << std::endl << d << std::endl; } int main() { maxint_to_double<int, double>(); maxint_to_double<boost::intmax_t, double>(); maxint_to_double<int, float>(); return 0; } This prints: 2147483647 2147483647.000000 9223372036854775807 9223372036854775800.000000 2147483647 2147483648.000000 Note how max int can fit into a double without loss of precision and boost::intmax_t (64-bit in this case) cannot. float can't even hold an int. Now, the question: is there a way in C++ to check if the entire range of a given integer type can fit into a loating point type without loss of precision? Preferably, it would be a compile-time check that can be used in a static assertion, and would not involve enumerating the constants the compiler should know or can compute.

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• What would be the safest way to store objects of classes derived from a common interface in a common

  - by Svenstaro

  I'd like to manage a bunch of objects of classes derived from a shared interface class in a common container. To illustrate the problem, let's say I'm building a game which will contain different actors. Let's call the interface IActor and derive Enemy and Civilian from it. Now, the idea is to have my game main loop be able to do this: // somewhere during init std::vector<IActor> ActorList; Enemy EvilGuy; Civilian CoolGuy; ActorList.push_back(EvilGuy); ActorList.push_back(CoolGuy); and // main loop while(!done) { BOOST_FOREACH(IActor CurrentActor, ActorList) { CurrentActor.Update(); CurrentActor.Draw(); } } ... or something along those lines. This example obviously won't work but that is pretty much the reason I'm asking here. I'd like to know: What would be the best, safest, highest-level way to manage those objects in a common heterogeneous container? I know about a variety of approaches (Boost::Any, void*, handler class with boost::shared_ptr, Boost.Pointer Container, dynamic_cast) but I can't decide which would be the way to go here. Also I'd like to emphasize that I want to stay away as far as possible from manual memory management or nested pointers. Help much appreciated :).

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• What is the rationale to non allow overloading of C++ conversions operator with non-member functio

  - by Vicente Botet Escriba

  C++0x has added explicit conversion operators, but they must always be defined as members of the Source class. The same applies to the assignment operator, it must be defined on the Target class. When the Source and Target classes of the needed conversion are independent of each other, neither the Source can define a conversion operator, neither the Target can define a constructor from a Source. Usually we get it by defining a specific function such as Target ConvertToTarget(Source& v); If C++0x allowed to overload conversion operator by non member functions we could for example define the conversion implicitly or explicitly between unrelated types. template < typename To, typename From operator To(const From& val); For example we could specialize the conversion from chrono::time_point to posix_time::ptime as follows template < class Clock, class Duration operator boost::posix_time::ptime( const boost::chrono::time_point& from) { using namespace boost; typedef chrono::time_point time_point_t; typedef chrono::nanoseconds duration_t; typedef duration_t::rep rep_t; rep_t d = chrono::duration_cast( from.time_since_epoch()).count(); rep_t sec = d/1000000000; rep_t nsec = d%1000000000; return posix_time::from_time_t(0)+ posix_time::seconds(static_cast(sec))+ posix_time::nanoseconds(nsec); } And use the conversion as any other conversion. So the question is: What is the rationale to non allow overloading of C++ conversions operator with non-member functions?

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• Lucene setboost doesn't work

  - by Keven

  Hi all, OUr team just upgrade lucene from 2.3 to 3.0 and we are confused about the setboost and getboost of document. What we want is just set a boost for each document when add them into index, then when search it the documents in the response should have different order according to the boost I set. But it seems the order is not changed at all, even the boost of each document in the search response is still 1.0. Could some one give me some hit? Following is our code: String[] a = new String[] { "schindler", "spielberg", "shawshank", "solace", "sorcerer", "stone", "soap", "salesman", "save" }; List strings = Arrays.asList(a); AutoCompleteIndex index = new Index(); IndexWriter writer = new IndexWriter(index.getDirectory(), AnalyzerFactory.createAnalyzer("en_US"), true, MaxFieldLength.LIMITED); float i = 1f; for (String string : strings) { Document doc = new Document(); Field f = new Field(AutoCompleteIndexFactory.QUERYTEXTFIELD, string, Field.Store.YES, Field.Index.NOT_ANALYZED); doc.setBoost(i); doc.add(f); writer.addDocument(doc); i += 2f; } writer.close(); IndexReader reader2 = IndexReader.open(index.getDirectory()); for (int j = 0; j < reader2.maxDoc(); j++) { if (reader2.isDeleted(j)) { continue; } Document doc = reader2.document(j); Field f = doc.getField(AutoCompleteIndexFactory.QUERYTEXTFIELD); System.out.println(f.stringValue() + ":" + f.getBoost() + ", docBoost:" + doc.getBoost()); doc.setBoost(j); }

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• noncopyable static const member class in template class

  - by Dukales

  I have a non-copyable (inherited from boost::noncopyable) class that I use as a custom namespace. Also, I have another class, that uses previous one, as shown here: #include <boost/utility.hpp> #include <cmath> template< typename F > struct custom_namespace : boost::noncopyable { F sqrt_of_half(F const & x) const { using std::sqrt; return sqrt(x / F(2.0L)); } // ... maybe others are not so dummy const/constexpr methods }; template< typename F > class custom_namespace_user { static ::custom_namespace< F > const custom_namespace_; public : F poisson() const { return custom_namespace_.sqrt_of_half(M_PI); } static F square_diagonal(F const & a) { return a * custom_namespace_.sqrt_of_half(1.0L); } }; template< typename F > ::custom_namespace< F > const custom_namespace_user< F >::custom_namespace_(); this code leads to the next error (even without instantiation): error: no 'const custom_namespace custom_namespace_user::custom_namespace_()' member function declared in class 'custom_namespace_user' The next way is not legitimate: template< typename F ::custom_namespace< F const custom_namespace_user< F ::custom_namespace_ = ::custom_namespace< F (); What should I do to declare this two classes (first as noncopyable static const member class of second)? Is this feaseble?

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• What is the difference between Inversion of Control and Dependency injection in C++?

  - by rlbond

  I've been reading recently about DI and IoC in C++. I am a little confused (even after reading related questions here on SO) and was hoping for some clarification. It seems to me that being familiar with the STL and Boost leads to use of dependency injection quite a bit. For example, let's say I made a function that found the mean of a range of numbers: template <typename Iter> double mean(Iter first, Iter last) { double sum = 0; size_t number = 0; while (first != last) { sum += *(first++); ++number; } return sum/number; }; Is this dependency injection? Inversion of control? Neither? Let's look at another example. We have a class: class Dice { public: typedef boost::mt19937 Engine; Dice(int num_dice, Engine& rng) : n_(num_dice), eng_(rng) {} int roll() { int sum = 0; for (int i = 0; i < num_dice; ++i) sum += boost::uniform_int<>(1,6)(eng_); return sum; } private: Engine& eng_; int n_; }; This seems like dependency injection. But is it inversion of control? Also, if I'm missing something, can someone help me out?

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• Why do you need "extern C" for in C++ callbacks to C functions?

  - by Artyom

  Hello, I find such examples in Boost code. namespace boost { namespace { extern "C" void *thread_proxy(void *f) { .... } } // anonymous void thread::thread_start(...) { ... pthread_create(something,0,&thread_proxy,something_else); ... } } // boost Why do you actually need this extern "C"? It is clear that thread_proxy function is private internal and I do not expect that it would be mangled as "thread_proxy" because I actually do not need it mangled at all. In fact in all my code that I had written and that runs on may platforms I never used extern "C" and this had worked as-as with normal functions. Why extern "C" is added? My problem is that extern "C" function pollute global name-space and they do not actually hidden as author expects. This is not duplicate! I'm not talking about mangling and external linkage. It is obvious in this code that external linkage is unwanted!

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• How do I enforce the order of qmake library dependencies?

  - by James Oltmans

  I'm getting a lot of errors because qmake is improperly ordering the boost libraries I'm using. Here's what .pro file looks like QT += core gui TARGET = MyTarget TEMPLATE = app CONFIG += no_keywords \ link_pkgconfig SOURCES += file1.cpp \ file2.cpp \ file3.cpp PKGCONFIG += my_package \ sqlite3 LIBS += -lsqlite3 \ -lboost_signals \ -lboost_date_time HEADERS += file1.h\ file2.h\ file3.h FORMS += mainwindow.ui RESOURCES += Resources/resources.qrc This produces the following command: g++ -Wl,-O1 -o MyTarget file1.o file2.o file3.o moc_mainwindow.o -L/usr/lib/x86_64-linux-gnu -lboost_signals -lboost_date_time -L/usr/local/lib -lmylib1 -lmylib2 -lsqlite3 -lQtGui -lQtCore Note: mylib1 and mylib2 are statically compiled by another project, placed in /usr/local/lib with an appropriate pkg-config .pc file pointing there. The .pro file references them via my_package in PKGCONFIG. The problem is not with pkg-config's output but with Qt's ordering. Here's the .pc file: prefix=/usr/local exec_prefix=${prefix} libdir=${exec_prefix}/lib includedir=${prefix}/include Name: my_package Description: My component package Version: 0.1 URL: http://example.com Libs: -L${libdir} -lmylib1 -lmylib2 Cflags: -I${includedir}/my_package/ The linking stage fails spectacularly as mylib1 and mylib2 come up with a lot of undefined references to boost libraries that both the app and mylib1 and mylib2 are using. We have another build method using scons and it properly orders things for the linker. It's build command order is below. g++ -o MyTarget file1.o file2.o file3.o moc_mainwindow.o -L/usr/local/lib -lmylib1 -lmylib2 -lsqlite3 -lboost_signals -lboost_date_time -lQtGui -lQtCore Note that the principle difference is the order of the boost libs. Scons puts them at the end just before QtGui and QtCore while qmake puts them first. The other differences in the compile commands are unimportant as I have hand modified the qmake produced make file and the simple reordering fixed the problem. So my question is, how do I enforce the right order in my .pro file despite what qmake thinks they should be?

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• Why do you need "extern C" for C++ callbacks to C functions?

  - by Artyom

  Hello, I find such examples in Boost code. namespace boost { namespace { extern "C" void *thread_proxy(void *f) { .... } } // anonymous void thread::thread_start(...) { ... pthread_create(something,0,&thread_proxy,something_else); ... } } // boost Why do you actually need this extern "C"? It is clear that thread_proxy function is private internal and I do not expect that it would be mangled as "thread_proxy" because I actually do not need it mangled at all. In fact in all my code that I had written and that runs on may platforms I never used extern "C" and this had worked as-as with normal functions. Why extern "C" is added? My problem is that extern "C" function pollute global name-space and they do not actually hidden as author expects. This is not duplicate! I'm not talking about mangling and external linkage. It is obvious in this code that external linkage is unwanted! Answer: Calling convention of C and C++ functions are not necessary the same, so you need to create one with C calling convention. See 7.5 (p4) of C++ standard.

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• Including typedef of child in parent class

  - by Baz

  I have a class which looks something like this. I'd prefer to have the typedef of ParentMember in the Parent class and rename it Member. How might this be possible? The only way I can see is to have std::vector as a public member instead of using inheritance. typedef std::pair<std::string, boost::any> ParentMember; class Parent: public std::vector<ParentMember> { public: template <typename T> std::vector<T>& getMember(std::string& s) { MemberFinder finder(s); std::vector<ParentMember>::iterator member = std::find_if(begin(), end(), finder); boost::any& container = member->second; return boost::any_cast<std::vector<T>&>(container); } private: class Finder { ... }; };

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• how to reload jqgrid in asp.net mvc when i change dropdownlist

  - by sandeep

  what is wrong in this code? when i change drop down list,the grid takes old value of ddl only, not taken newely selected values why? <%--<asp:Content ID="Content2script" ContentPlaceHolderID="HeadScript" runat="server"> <script type="text/javascript"> $(function() { $("#StateId").change(function() { $('#TheForm').submit(); }); }); $(function() { $("#CityId").change(function() { $('#TheForm').submit(); }); }); $(function() { $("#HospitalName").change(function() { $('#TheForm').submit(); }); }); </script > </asp:Content>--%> <asp:Content ID="Content3" ContentPlaceHolderID="HeadContent" runat="server"> <link rel="stylesheet" type="text/css" href="/scripts/themes/coffee/grid.css" title="coffee" media="screen" /> <script src="/Scripts/jquery-1.3.2.js" type="text/javascript"></script> <script src="/Scripts/jquery.jqGrid.js" type="text/javascript"></script> <script src="/Scripts/js/jqModal.js" type="text/javascript"></script> <script src="/Scripts/js/jqDnR.js" type="text/javascript"></script> <script type="text/javascript"> var gridimgpath = '/scripts/themes/coffee/images'; var gridDataUrl = '/Claim/DynamicGridData/'; jQuery(document).ready(function() { // $("#btnSearch").click(function() { var StateId = document.getElementById('StateId').value; var CityId = document.getElementById('CityId').value; var HName = document.getElementById('HospitalName').value; // alert(CityId); // alert(StateId); // alert(HName); if (StateId > 0 && CityId == '' && HName == '') { CityId = 0; HName = 'Default'.toString(); // alert("elseif0" + HName.toString()); } else if (CityId > 0 && StateId == '') { // alert("elseif1"); alert("Please Select State..") } else if (CityId > 0 && StateId > 0 && HName == '') { // alert("elseif2"); alert(CityId); alert(StateId); HName = "Default"; } else { // alert("else"); StateId = 0; CityId = 0; HName = "Default"; } jQuery("#list").jqGrid({ url: gridDataUrl + '?StateId=' + StateId + '&CityId=' + CityId + '&hospname=' + HName, datatype: 'json', mtype: 'GET', colNames: ['Id', 'HospitalName', 'Address', 'City', 'District', 'FaxNumber', 'PhoneNumber'], colModel: [{ name: 'HospitalId', index: 'HospitalId', width: 40, align: 'left' }, { name: 'HospitalName', index: 'HospitalName', width: 40, align: 'left' }, { name: 'Address1', Address: 'Address1', width: 300 }, { name: 'CityName', index: 'CityName', width: 100 }, { name: 'DistName', index: 'DistName', width: 100 }, { name: 'FaxNo', index: 'FaxNo', width: 100 }, { name: 'ContactNo1', index: 'PhoneNumber', width: 100 } ], pager: jQuery('#pager'), rowNum: 10, rowList: [5, 10, 20, 50], // sortname: 'Id,', sortname: '1', sortorder: "asc", viewrecords: true, //multiselect: true, //multikey: "ctrlKey", // imgpath: '/scripts/themes/coffee/images', imgpath: gridimgpath, caption: 'Hospital Search', width: 700, height: 250 }); $(function() { // $("#btnSearch").click(function() { $('#CityId').change(function() { alert("kjasd"); // Set the vars whenever the date range changes and then filter the results StateId = document.getElementById('StateId').value; CityId = document.getElementById('CityId').value; HName = 'default'; setGridUrl(); }); // Set the date range textbox values $('#StateId').val(StateId.toString()); $('#CityId').val(CityId.toString()); // Set the grid json url to get the data to display setGridUrl(); }); function setGridUrl() { alert(StateId); alert(CityId); alert("hi"); var newGridDataUrl = gridDataUrl + '?StateId=' + StateId + '&CityId=' + CityId + '&hospname=' + HName; jQuery('#list').jqGrid('setGridParam', { url: newGridDataUrl }).trigger("reloadGrid"); } // }); }); </script> </asp:Content> <asp:Content ID="Content2" ContentPlaceHolderID="MainContent" runat="server"> <%--<%using (Html.BeginForm("HospitalSearch", "Claim", FormMethod.Post, new { id = "TheForm" })) --%> <table cellspacing="0" cellpadding="2" width="100%" border="0" > <tr> <td class ="Heading1"> Hospital Search</td> <td class ="Heading1" align="right" width="50%" background="../images/homebg.gif"> &nbsp; </td> </tr> <tr> <td colspan="2" > <% Html.RenderPartial("InsuredDetails"); %> </td> </tr> <tr> <td colspan="2"> <table width="100%"> <tr> <td class="subline" valign="middle"> State : <% =Html.DropDownList("StateId", (SelectList)ViewData["States"], "--Select--", new { @class = "ddownmenu" })%> &nbsp; City : <% =Html.DropDownList("CityId", (SelectList)ViewData["Cities"], "--Select--", new { @class = "ddownmenu" })%> &nbsp; Hospital Name : <% =Html.TextBox("HospitalName")%> &nbsp; &nbsp; <input id="btnSearch" type="submit" value="Search" /> </td> </tr> </table> </td> </tr> <tr> <td align="center" colspan="2"> &nbsp;</td> </tr> </table> <div id="jqGridContainer"> <table id="list" class="scroll" cellpadding="0" cellspacing="0"></table> <div id="pager" class="scroll" style="text-align:center;"></div> </div> </asp:Content>

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• How to get StackFrame at compile time from PDB?

  - by Usman

  Hello, I need to get stack frame of function from any pdb (All in/out arguments and their types). I got function name and address of certain function from pdb, now I need to know all parameters(in/out) of that function from pdb file programatically. Is there any way..?? Regards Usman

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• Need help with wp_rewrite in a WordPress Plugin

  - by Brad

  Ok, I've got this code that I've been using to spit out news to an application of mine. It was working until today. I've cutout all the logic in the following code to make it simpiler. But it should "WORK" Can someone help me fix this code to where it works, and is done right? I know it's hacked together ,but it didn't seem to have any problems until today. I have not updated anything, don't know what the deal is. Plugin Name: MyPlugin Example Version: 1.0.1 if ( ! class_exists("MyPlugin") ) { class MyPlugin { var $db_version = "1.0"; //not used yet function init() { //Nothing as of now. } function activate() { global $wp_rewrite; $this-flush_rewrite_rules(); } function pushoutput( $id ) { $output-out =' The output worked!'; $this-output( $output ); } function output( $output ) { ob_start(); ob_end_clean(); header( 'Cache-Control: no-cache, must-revalidate' ); header( 'Expires: Mon, 26 Jul 1997 05:00:00 GMT' ); header( 'Content-type: application/json' ); echo json_encode( $output ); //Must encode this... } function flush_rewrite_rules() { global $wp_rewrite; $wp_rewrite-flush_rules(); } function createRewriteRules( $rewrite ) { global $wp_rewrite; $new_rules = array( 'MyPlugin/(.+)' = 'index.php?MyPlugin=' . $wp_rewrite-preg_index(1) ); if ( ! is_array($wp_rewrite-rules) ) { $wp_rewrite-rules = array(); } $wp_rewrite-rules = $new_rules + $wp_rewrite-rules; return $wp_rewrite; } function add_query_vars( $qvars ) { $qvars[] = 'MyPlugin'; return $qvars; } function template_redirect_intercept() { global $wp_query; if ( $wp_query-get('MyPlugin') ) { $id = $wp_query-query_vars['MyPlugin']; $this-pushoutput( $id ); exit; } } } } if ( class_exists("MyPlugin") ) { $MyPluginCode = new MyPlugin(); } if ( isset($MyPluginCode) ) { register_activation_hook( __file__, array($MyPluginCode, 'activate') ); add_action( 'admin-init', array(&$MyPluginCode, 'flush_rewrite_rules') ); //add_action( 'init', array(&$MyPluginCode, 'init') ); add_action( 'generate_rewrite_rules', array(&$MyPluginCode, 'createRewriteRules') ); add_action( 'template_redirect', array(&$MyPluginCode, 'template_redirect_intercept') ); // add_filter( 'query_vars', array(&$MyPluginCode, 'add_query_vars') ); }

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• Dijkstra’s algorithm and functions

  - by baris_a

  Hi guys, the question is: suppose I have an input function like sin(2-cos(3*A/B)^2.5)+0.756*(C*D+3-B) specified with a BNF, I will parse input using recursive descent algorithm, and then how can I use or change Dijkstra’s algorithm to handle this given function? After parsing this input function, I need to execute it with variable inputs, where Dijkstra’s algorithm should do the work. Thanks in advance. EDIT: May be I should ask also: What is the best practice or data structure to represent given function?

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• google maps api v3 - loop through overlays - overlayview methods

  - by user317005

  how can i loop through an array within the overlayview class? $(document).ready(function() { var overlay; var myLatlng = new google.maps.LatLng(51.501743,-0.140461); var myOptions = { zoom: 13, center: myLatlng, mapTypeId: google.maps.MapTypeId.ROADMAP } var map = new google.maps.Map(document.getElementById('map_canvas'), myOptions); OverlayTest.prototype = new google.maps.OverlayView(); var items = [ [51.501743,-0.140461], [51.506209,-0.146796], ]; for([loop])//loop through array { var latlng = new google.maps.LatLng(items[i][0], items[i][1]); var bounds = new google.maps.LatLngBounds(latlng); overlay = new OverlayTest(map, bounds); var element_id = 'map_' + i; function OverlayTest(map, bounds) { this.bounds_ = bounds; this.map_ = map; this.div_ = null; this.setMap(map); } OverlayTest.prototype.onAdd = function() { var div = ''; this.div_ = div; var panes = this.getPanes(); panes.mapPane.innerHTML = div; } OverlayTest.prototype.draw = function() { var overlayProjection = this.getProjection(); var sw = overlayProjection.fromLatLngToDivPixel(this.bounds_.getSouthWest()); var ne = overlayProjection.fromLatLngToDivPixel(this.bounds_.getNorthEast()); var div = document.getElementById(element_id); div.style.left = sw.x + 'px'; div.style.top = ne.y + 'px'; } } }); the above code doesn't work, but when i manually assign a lat/lng to the overlayview class it magically works (see below)?! $(document).ready(function() { var overlay; var myLatlng = new google.maps.LatLng(51.501743,-0.140461); var myOptions = { zoom: 13, center: myLatlng, mapTypeId: google.maps.MapTypeId.ROADMAP } var map = new google.maps.Map(document.getElementById('map_canvas'), myOptions); OverlayTest.prototype = new google.maps.OverlayView(); var items = [ [51.501743,-0.140461], [51.506209,-0.146796], ]; var latlng = new google.maps.LatLng(51.506209,-0.146796);//manually assign lat/lng var bounds = new google.maps.LatLngBounds(latlng); overlay = new OverlayTest(map, bounds); function OverlayTest(map, bounds) { this.bounds_ = bounds; this.map_ = map; this.div_ = null; this.setMap(map); } OverlayTest.prototype.onAdd = function() { var div = ''; this.div_ = div; var panes = this.getPanes(); panes.mapPane.innerHTML = div; } OverlayTest.prototype.draw = function() { var overlayProjection = this.getProjection(); var sw = overlayProjection.fromLatLngToDivPixel(this.bounds_.getSouthWest()); var ne = overlayProjection.fromLatLngToDivPixel(this.bounds_.getNorthEast()); var div = document.getElementById('map_1'); div.style.left = sw.x + 'px'; div.style.top = ne.y + 'px'; } });

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• jQuery Cycle plugin IE6/7 issues

  - by Aaron Moodie

  I've implemented a slideshow using the Cycle plugin, which is working in all browsers except IE6&7, where the images just show up in a list, and the #page_copy div is not hiding. I've been going through the code all day without any luck, and not exactly sure how or what I should be looking for. What would be the best way to go about debugging this issue? I know that the #page_copy div is hiding when I remove the rest of the code, and I've tried the reverse (which had no result) <script type="text/javascript" charset="utf-8"> jQuery.fn.fadeToggle = function(speed, easing, callback) { return this.animate({opacity: 'toggle'}, speed, easing, callback); }; $(document).ready(function() { $('#page_copy').hide(); $('a#info_close_button').click(function() { $('#page_copy').fadeOut(200); return false; }); $('a#info_button').click(function() { $('#page_copy').fadeToggle(200); return false; }); }); $(window).load(function() { // vertically center single image var $image_cnt = $("#images > img").size(); if($image_cnt < 2) { var $single_img = $("#images").children(':first-child'); var h = $single_img.height(); $single_img.css({ marginTop: (620 - h) / 2, }); $(".next").css("display","none"); $(".prev").css("display","none"); } }); // wait until images have loaded before starting cycle $(window).load(function() { // front image rotator $('#images').cycle({ fx: 'fade', speed: 300, next: '.next', prev: '.prev', containerResize: 0, timeout: 0, delay: -2000, before: onBefore }); }); // hide all but the first image when page loads $(document).ready(function() { $('#images img:gt(0)').hide(); }); // callback fired when each slide transition begins function onBefore(curr,next,opts) { var $slide = $(next); var w = $slide.width(); var h = $slide.height(); $slide.css({ marginTop: (620 - h) / 2, marginLeft: (650 - w) / 2 }); }; </script>

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• Why is jQuery .load() firing twice?

  - by LeslieOA

  Hello S-O. I'm using jQuery 1.4 with jQuery History and trying to figure out why Firebug/Web Inspector are showing 2 XHR GET requests on each page load (double that amount when visiting my sites homepage (/ or /#). e.g. Visit this (or any) page with Firebug enabled. Here's the edited/relevant code (see full source): - $(document).ready(function() { $('body').delegate('a', 'click', function(e) { var hash = this.href; if (hash.indexOf(window.location.hostname) > 0) { /* Internal */ hash = hash.substr((window.location.protocol+'//'+window.location.host+'/').length); $.historyLoad(hash); return false; } else if (hash.indexOf(window.location.hostname) == -1) { /* External */ window.open(hash); return false; } else { /* Nothing to do */ } }); $.historyInit(function(hash) { $('#loading').remove(); $('#container').append('<span id="loading">Loading...</span>'); $('#ajax').animate({height: 'hide'}, 'fast', 'swing', function() { $('#page').empty(); $('#loading').fadeIn('fast'); if (hash == '') { /* Index */ $('#ajax').load('/ #ajax','', function() { ajaxLoad(); }); } else { $('#ajax').load(hash + ' #ajax', '', function(responseText, textStatus, XMLHttpRequest) { switch (XMLHttpRequest.status) { case 200: ajaxLoad(); break; case 404: $('#ajax').load('/404 #ajax','', ajaxLoad); break; // Default 404 default: alert('We\'re experiencing technical difficulties. Try refreshing.'); break; } }); } }); // $('#ajax') }); // historyInit() function ajaxLoad() { $('#loading').fadeOut('fast', function() { $(this).remove(); $('#ajax').animate({height: 'show', opacity: '1'}, 'fast', 'swing'); }); } }); A few notes that may be helpful: - Using WordPress with default/standard .htaccess I'm redirecting /links-like/this to /#links-like/this via JavaScript only (PE) I'm achieving the above with window.location.replace(addr); and not window.location=addr; Feel free to visit my site if needed. Thanks in advanced.

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• ASP.NET MVC Consume JSONResult in Bing Maps API

  - by rockinthesixstring

  I know there are a few topics on this, but I seem to be fumbling my way through with no results. I'm trying to use a controller to return JSON results to my Bin Maps functions. Here's what I have for my controller (yes it is properly returning JSON data. Function Regions() As JsonResult Dim rj As New List(Of RtnJson)() rj.Add(New RtnJson("135 Bow Meadows Drive, Cochrane, Alberta", "desc", "title")) rj.Add(New RtnJson("12 Bowridge Dr NW, Calgary, Alberta, Canada", "desc2", "title2")) Return Json(rj, JsonRequestBehavior.AllowGet) End Function Then in my script I have this, but it's not working. <script type="text/javascript"> var map = null; var centerLat = 51.045 ; var centerLon = -114.05722; var json_object = $.getJSON("<%: Url.Action("Regions", "Events")%>"); function LoadMap() { map = new VEMap('bingMap'); map.LoadMap(new VELatLong(centerLat, centerLon), 10); $.each(json_object, function () { alert(this.address); //this alert is returning "address is undefined" StartGeocoding(this.address, this.title, this.desc); }); } function StartGeocoding(address, title, desc) { map.Find(null, // what address, // where null, // VEFindType (always VEFindType.Businesses) null, // VEShapeLayer (base by default) null, // start index for results (0 by default) null, // max number of results (default is 10) null, // show results? (default is true) null, // create pushpin for what results? (ignored since what is null) true, // use default disambiguation? (default is true) false, // set best map view? (default is true) GeocodeCallback); // call back function } function GeocodeCallback(shapeLayer, findResults, places, moreResults, errorMsg) { var bestPlace = places[0]; // Add pushpin to the *best* place var location = bestPlace.LatLong; var newShape = new VEShape(VEShapeType.Pushpin, location); var desc = "Latitude: " + location.Latitude + "<br>Longitude:" + location.Longitude; newShape.SetDescription(desc); newShape.SetTitle(bestPlace.Name); map.AddShape(newShape); } $(document).ready(function () { LoadMap(); }); </script>

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• JQuery hover problem

  - by tim

  Hello, Im using jquery hover method to call a function as follows $(<some_element>).hover(function(){animate("next",true);},function(){}); But,the animate function is called only when the mouse enters the element. I want it to keep getting called as long as the mouse is over the element also. Any way to achieve this ? Thank You.

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• Passing variable in jQuery through bind doesn't seem to work...

  - by dallen

  Here's my code that does work: function mouseOver() { $(".beaver").fadeIn(100); } function mouseOut() { $(".beaver").fadeOut(100); } $("#group_beaver").bind('mouseenter', mouseOver).bind('mouseleave', mouseOut); But why doesn't this work? function mouseOver(variable) { $(variable).fadeIn(100); } function mouseOut(variable) { $(variable).fadeOut(100); } $("#group_beaver").bind('mouseenter', mouseOver('.beaver')).bind('mouseleave', mouseOut('.beaver'));

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