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  • Problem linking SDL_Image against libpng

    - by Tim Jones
    I'm trying to compile SDL_Image 1.2.10 with MinGW + MSys (gcc 4.5.0) on Windows, I have compiled all the requires libs (zlib 1.2.5, libpng 1.4.2, libjpeg 8a, libtiff 3.9.2). SDL_Image compiles fine, but fails to link to libpng, throwing .libs/IMG_png.o:IMG_png.c:(.text+0x16): undefined reference errors on various png structs. If I run ./configure --prefix=/mingw --disable-png for SDL_Image, it compiles and links against the other libs just fine. I have tried older versions of libpng (1.2.43), but they also caused SDL_Image to throw the same errors.

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  • Updating Linking Tables

    - by Sasha
    I've currently adding a bit of functionality that manages holiday lettings on top of a CMS that runs on PHP and MySQL. The CMS stores the property details on a couple of tables, and I'm adding a third table (letting_times) that will contain information about when people are staying at the property. Basic functionality would allow the user to add new times when a guest is staying, edit the times that the guest is staying and remove the booking if the guest no longer wants to stay at the property. Right now the best way that I can think of updating the times that the property is occupied is to delete all the times contained in the letting_times database and reinsert them again. The only other way that I can think to do this would be to include the table's primary key and do an update if that is present and has a value, otherwise do an insert, but this would not delete rows of data if they are removed. Is there a better way of doing this?

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  • Sql Server 2008 Cross-database table linking (relationships)

    - by Alex
    Hi guys, I have a bit of an issue, and to be honest I don't think there's an answer, but I'll give it a try anyway. So I have two databases [A]-Company and [B]-Product. Both databases have a Country table which is then linked to other tables in each individual database. The problem is that the data between the two Country tables is a complete duplicate. So, I essentially have to duplicate some of the relationships in each database, and maintenance on top of that is just difficult... So, I'm curious is there a way to create a cross-database relationship between tables so I can have only one set of Country+Helper tables that govern both databases? Thanks in advance!

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  • Linking Listbox child categories

    - by Gerardo Abdo
    Hello I have few monhts working with aspx, and now I'm developing a shopping cart website. For the employee to upload the products on the DB, every product needs to be linked to a category and sub category, and sub-sub category, and so on. Sometimes the sub-sub categories are up to 5. For example Electronics-TV-LCD-Samsung-40 inches. First, What I would like to identify is if the SQL table has the apporpiate structure. I have 3 columns Id, Description, Parent_Id. Categories with Parent Id=0 is used for the top ones. Is this the best way to do it? Then I want to use the ListBox control to select main Categories, and once it is selected, filled a second listbox with its childs and so on. Do I need to query SQL DB everytime the change event happens? I heard about linq but have not used yet, What would be your suggestion to do this. If you have seen a sample to understand it better will be appreciated. Thank you

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  • Switching/Linking to another external stylesheet in a .js file using Ruby on Rails

    - by Jake
    Im learning JQuery from a Sitepoint Book but Im trying to apply all the lessons to a Rails App. In one lesson, we are taught how to switch to a different stylesheet if the browser window is resized beyond a certain point. Here's the javascript code: if ($('body').width() > 900) { $('<link rel="stylesheet" href="wide.css" type="text/css" />') .appendTo('head'); } else { $('link[href=wide.css]').remove(); } Rails doesn't seem to want to link to the new stylesheet using 'link rel'. I've tried using the Rails helper: <%= stylesheet_link_tag 'base', :media => 'screen' %> but that doesn't work in a .js file. How do I link to an external stylesheet in a .js file using Ruby? Can I use Ruby on Rails code in a .js file? Thanks.

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  • Linking to an item in another node (XSLT)

    - by Andrew Parisi
    I have an XML document with companies listed in it. I want to create a link with XSLT that contains the <link> child of the next node. Sorry if this is confusing..here is some sample XML of what i'm trying to obtain: <portfolio> <company> <name>Dano Industries</name> <link>dano.xml</link> </company> <company> <name>Mike and Co.</name> <link>mike.xml</link> </company> <company> <name>Steve Inc.</name> <link>steve.xml</link> </company> </portfolio> I want two links, "BACK" and "NEXT". While currently on mike.xml, I want BACK to link to "dano.xml" and NEXT linked to "steve.xml"...etc..and have it dynamically change when on a different page based on the nodes around it. I want to do this because I may add and change the list as I go along, so I don't want to have to manually re-link everything. How can I obtain this? Sorry I am new to XSLT, so please explain with solution if possible! Thanks in advance!

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  • IB Linking iPad SplVC table view

    - by Sam Jarman
    hey guys When you have an iPad Project, and you want to put a table view in your landscape view... I did this i dragged in a UITableView. but what do you 'hook' the data source to? there are about 3 options that all seem to crahing for me... when not hooked up, app launches fine. Any help would be appreciated. Cheers Sam

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  • How to avoid using the plld.exe utility in VS2008 (for linking C++ and Prolog codes)

    - by Joshua Green
    Here is my code in its entirety: Trying "listing." at the Prolog prompt that pops up when I run the program confirms that my Prolog source code has been loaded (consulted). #include <iostream> #include <fstream> #include <string> #include <math.h> #include <stdio.h> #include <stdlib.h> #include <stdafx.h> using namespace std; #include "Windows.h" #include "ctype.h" #include "SWI-cpp.h" #include "SWI-Prolog.h" #include "SWI-Stream.h" int main(int argc, char** argv) { argc = 4; argv[0] = "libpl.dll"; argv[1] = "-G32m"; argv[2] = "-L32m"; argv[3] = "-T32m"; PL_initialise(argc, argv); if ( !PL_initialise(argc, argv) ) PL_halt(1); PlCall( "consult(swi('plwin.rc'))" ); PlCall( "consult('hello.pl')" ); PL_halt( PL_toplevel() ? 0 : 1 ); } So this is how to load a Prolog source code (hello.pl) at run time into VS2008 without having to use plld at the VS command prompt.

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  • Linking Boost to my C++ project in Eclipse

    - by MahlerFive
    I'm trying to get the Boost library working in my C++ projects in Eclipse. I can successfully build when using header-only libraries in Boost such as the example simple program in the "Getting Started" guide using the lambda header. I cannot get my project to successfully link to the regex Boost library as shown later in the guide. Under my project properties - c/c++ build - settings - tool settings tab - libraries, I have added "libboost_regex" to the Libraries box, and "C:\Program Files\boost\boost_1_42_0\bin.v2\libs" to the Library search path box since this is where all the .lib files are. I've even tried adding "libboost_regex-mgw34-mt-d-1_42.lib" to the libraries box instead of "libboost_regex" since that is the exact file name, but this did not work either. I keep getting an error that says "cannot find -llibboost_regex" when I try to build my project. Any ideas as to how I can fix this?

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  • Process for linking static ObjC libraries in XCode

    - by madmik3
    I'm trying to link to a static library and I keep getting linker errors. I've found a few sites that post examples but I have not been able to see what I am doing wrong. First I create a project that will link to my lib add existing files find my .xcodeproj file select "Copy items into destination groups folder"... Select my host project as Add To Targets. Then I add a direct dependency to my host app expand targets double click MyHost.app click + under direct dependencies select my lib Then I set build flags double click MyHost application icon in Groups and Files. click the build tab then I set the OtherLinerFlag to -ObjC then I set Header Search Paths to my header file location for my static library. I pass the compile stage but any classes in my static lib cause linker error: literal-pointer@_OBJC@_cls_refs@SomeClass in MyHost.o thanks!

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  • Blogger Code Image linking to post page

    - by Jm Agas
    Is this possible to achieve in blogger? My goal is to make Static page images to become clickable and link it to the actual post page. I know its possible by editing each post but I want to make it automatic. For example: In 9gag.com when you click the image from the homepage it will actually link you to the post page. I want to do the same but in blogger. Something like this <b:if cond='data:blog.pageType != &quot;static_page&quot;'><a expr:href='data:post.url'><static page images></a></b:if> Screenshot: http://i.stack.imgur.com/YAWkL.jpg

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  • uint8_t and unsigned char linking error

    - by mnn
    I'm using template function: template<typename T> void func(const T& value) { obj->func(value); } where obj is object of class: void my_object::func(int64_t value) { ... } void my_object::func(uint64_t value) { ... } void my_object::func(uint32_t value) { ... } void my_object::func(uint16_t value) { ... } void my_object::func(uint8_t value) { ... } The problem is with uint8_t overload of my_object::func() override. Linker complains about unresolved external symbols to overloads, which should have unsigned char parameter. Should I replace uint8_t overload with unsigned char overload? Edit: Just now noticed, that linker complains about uint64_t and int64_t too. I compile on Windows using MSVC++ 2008 Express.

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  • C++ DLL-Linking UnResolved Externals

    - by Undawned
    I have a rather big Core project that I'm working with, I'm attempting to adapt it to use a DLL Engine I've built, I'm getting a bunch of errors like: unresolved external symbol "private: static class When including some of the headers from the Core in the DLL, the class is exported via __declspec(dllexport) but any header with static members throws out a crapload of errors regarding the static members. This is a rather big project, I can't exactly run around removing every static class member I see, is there anyway around this kind of thing?

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  • Is linking a <div> using javascript acceptable?

    - by jhchawk
    I want to link an entire <div>, but CSS2 does not support adding an href to a div (or span for that matter). My solution is to use the onClick property to add a link. Is this acceptable for modern browsers? Example code: <div class="frommage_box" id="about_frommage" onclick="location.href='#';"> <div class="frommage_textbox" id="ft_1"><p>who is Hawk Design?</p></div> My test page is at http://www.designbyhawk.com/pixel. Updated daily. Thanks for the help.

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  • Internal linking in Wordpress...

    - by Simon
    If I have lots of pages... page_ids 1-100... how do I link between the two in the editor?? I guess I can use <a href="/index.php?page_id=x">Link</a> but that's not user friendly... I want to do something like <a href="<?= get_permalink(x); ?>">Link</a> but that doesn't work either... help please... is there a handy plugin...

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  • Linking a template class using another template class (error LNK2001)

    - by Luís Guilherme
    I implemented the "Strategy" design pattern using an Abstract template class, and two subclasses. Goes like this: template <class T> class Neighbourhood { public: virtual void alter(std::vector<T>& array, int i1, int i2) = 0; }; and template <class T> class Swap : public Neighbourhood<T> { public: virtual void alter(std::vector<T>& array, int i1, int i2); }; There's another subclass, just like this one, and alter is implemented in the cpp file. Ok, fine! Now I declare another method, in another class (including neighbourhood header file, of course), like this: void lSearch(/*parameters*/, Neighbourhood<LotSolutionInformation> nhood); It compiles fine and cleanly. When starting to link, I get the following error: 1>SolverFV.obj : error LNK2001: unresolved external symbol "public: virtual void __thiscall lsc::Neighbourhood<class LotSolutionInformation>::alter(class std::vector<class LotSolutionInformation,class std::allocator<class LotSolutionInformation> > &,int,int)" (?alter@?$Neighbourhood@VLotSolutionInformation@@@lsc@@UAEXAAV?$vector@VLotSolutionInformation@@V?$allocator@VLotSolutionInformation@@@std@@@std@@HH@Z)

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  • static const C++ class member initialized gives a duplicate symbol error when linking

    - by Petruza
    I have a class which has a static const array, it has to be initialized outside the class: class foo{ static const int array[3]; }; const int foo::array[3] = { 1, 2, 3 }; But then I get a duplicate symbol foo::array in foo.o and main.o foo.o hold the foo class, and main.o holds main() and uses instances of foo. How can I share this static const array between all instances of foo? I mean, that's the idea of a static member.

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  • Linking CSS Navbar WIth Wordpress Pages

    - by JCHASE11
    I am using wordpress as a full on CMS on a site I am building. One thing I cant seem to figure out is how to link up my navigation bar to the pages I am creating in wordpress. I am using a sprite image hover navbar that is defined in the header.php file. Does anyone have any idea how I can take a typical CSS sprite navbar and link it up with the pages I am creating within wordpress?

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  • linking against a static library

    - by ant2009
    Hello gcc Version: 4:4.4.4-1ubuntu2 GNU Make 3.81 I have the following library called net_api.a and some header files i.e. network_set.h I have include the header file in my source code in my main.c file #include <network_set.h> I have the following static library and header in the following directory ./tools/net/lib/net_api.a ./tools/net/inc/network_set.h In my Makefile I have tried to link using the following, code snippet: INC_PATH = -I tools/net/inc LIB_PATH = -L tools/net/lib LIBS = -lnet_api $(TARGET): $(OBJECT_FILES) $(CC) $(LDFLAGS) $(CFLAGS) $(INC_PATH) $(LIB_PATH) $(LIBS) $(OBJECT_FILES) -o $(TARGET) main.o: main.c $(CC) $(CFLAGS) $(INC_PATH) $(LIB_PATH) -c main.c However, when I compile I get the following errors: network_set.h error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘network_String’ Many thanks for any suggestions,

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  • Linking two models in a multi-model form

    - by Elliot
    Hey Guys, I have a nested multimodel form right now, using Users and Profiles. Users has_one profile, and Profile belongs_to Users. When the form is submitted, a new user is created, and a new profile is created, but they are not linked (this is the first obvious issue). The user's model has a profile_id row, and the profile's model has a user_id row. Here is the code for the form: <%= form_for(@user, :url => teams_path) do |f| %> <p><%= f.label :email %><br /> <%= f.text_field :email %></p> <p><%= f.label :password %><br /> <%= f.password_field :password %></p> <p><%= f.label :password_confirmation %><br /> <%= f.password_field :password_confirmation %></p> <%= f.hidden_field :role_id, :value => @role.id %></p> <%= f.hidden_field :company_id, :value => current_user.company_id %></p> <%= fields_for @user.profile do |profile_fields| %> <div class="field"> <%= profile_fields.label :first_name %><br /> <%= profile_fields.text_field :first_name %> </div> <div class="field"> <%= profile_fields.label :last_name %><br /> <%= profile_fields.text_field :last_name %> </div> <% end %> <p><%= f.submit "Sign up" %></p> <% end %> A second issue, is even though the username, and password are successfully created through the form for the user model, the hidden fields (role_id & company_id - which are also links to other models) are not created (even though they are part of the model) - the values are successfully shown in the HTML for those fields however. Any help would be great!

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  • QList as a function parameter - Linking Error - LNK2019

    - by user2445136
    I have an issue with QList as a function parameter and I'll be glad if you can assist me. I have this code for example: void SpinBoxList_Enable(QList spinBoxList) { foreach(QWidget mWidget,*spinBoxList) mWidget-setEnabled(false); } and in the implemantation file I use the QList variable as a pointer: SpinBoxList_Enable(&controlBoardSpinBoxList); ( controlBoardSpinBoxList is a variable of QList ). The Function ToggleBoards_Slot(bool) is a slot that uses When I compile, I get this error message: 1cmosaixserialnumber.obj : error LNK2019: unresolved external symbol "private: void __cdecl CMosaixSerialNumber::SpinBoxList_Disable(class QList *)" (?SpinBoxList_Disable@CMosaixSerialNumber@@AEAAXPEAV?$QList@PEAVQWidget@@@@@Z) referenced in function "public: void __cdecl CMosaixSerialNumber::ToggleBoards_Slot(bool)" (?ToggleBoards_Slot@CMosaixSerialNumber@@QEAAX_N@Z) 1cmosaixserialnumber.obj : error LNK2019: unresolved external symbol "private: void __cdecl CMosaixSerialNumber::SpinBoxList_Enable(class QList *)" (?SpinBoxList_Enable@CMosaixSerialNumber@@AEAAXPEAV?$QList@PEAVQWidget@@@@@Z) referenced in function "private: void __cdecl CMosaixSerialNumber::on_ControlBoardCheckBox_StateChanged(int)" (?on_ControlBoardCheckBox_StateChanged@CMosaixSerialNumber@@AEAAXH@Z) How can I fix this ? Thanks, EVH671

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