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  • how can I handle user defined exceptions and after handling them resume the flow of program. here is

    - by fari
    /** * An exception thrown when an illegal side pit was * specified (i.e. not in the range 1-6) for a move */ public class IllegalSidePitNumException extends RuntimeException { /** * Exception constructor. * @param sidePitNum the illegal side pit that was selected. */ public IllegalSidePitNumException(int sidePitNum) { super("No such side pit number: "+sidePitNum); } } how do i use this ina program and then resume for there. I do not want the program to end but want to handle the exception and continue.

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  • How does WCF RIA Services handle authentication/authorization/security?

    - by Edward Tanguay
    Since no one answered this question: What issues to consider when rolling your own data-backend for Silverlight / AJAX on non-ASP.NET server? Let me ask it another way: How does WCF RIA Services handle authentication/authorization/security at a low level? e.g. how does the application on the server determine that the incoming http request to change data is coming from a valid client and not from non-desirable source, e.g. a denial-of-service bot?

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  • Error while Trying to Hook "TerminateProcess" Function. Target Process crashes. Can anyone help me

    - by desaiparth
    Debugging with visual studio 2005 The following Error Displayed :Unhandled exception at 0x00000000 in procexp.exe: 0xC0000005: Access violation reading location 0x00000000. And Thread Information: 2704 Win32 Thread 00000000 Normal 0 extern "C" VDLL2_API BOOL WINAPI MyTerminateProcess(HANDLE hProcess,UINT uExitCode) { SetLastError(5); return FALSE; } FARPROC HookFunction(char *UserDll,FARPROC pfn,FARPROC HookFunc) { DWORD dwSizeofExportTable=0; DWORD dwRelativeVirtualAddress=0; HMODULE hm=GetModuleHandle(NULL); FARPROC pfnOriginalAddressToReturn; PIMAGE_DOS_HEADER pim=(PIMAGE_DOS_HEADER)hm; PIMAGE_NT_HEADERS pimnt=(PIMAGE_NT_HEADERS)((DWORD)pim + (DWORD)pim-e_lfanew); PIMAGE_DATA_DIRECTORY pimdata=(PIMAGE_DATA_DIRECTORY)&(pimnt-OptionalHeader.DataDirectory); PIMAGE_OPTIONAL_HEADER pot=&(pimnt-OptionalHeader); PIMAGE_DATA_DIRECTORY pim2=(PIMAGE_DATA_DIRECTORY)((DWORD)pot+(DWORD)104); dwSizeofExportTable=pim2-Size; dwRelativeVirtualAddress=pim2-VirtualAddress; char *ascstr; PIMAGE_IMPORT_DESCRIPTOR pimexp=(PIMAGE_IMPORT_DESCRIPTOR)(pim2-VirtualAddress + (DWORD)pim); while(pimexp-Name) { ascstr=(char *)((DWORD)pim + (DWORD)pimexp-Name); if(strcmpi(ascstr,UserDll) == 0) { break; } pimexp++; } PIMAGE_THUNK_DATA pname=(PIMAGE_THUNK_DATA)((DWORD)pim+(DWORD)pimexp-FirstThunk); LPDWORD lpdw=&(pname-u1.Function); DWORD dwError=0; DWORD OldProtect=0; while(pname-u1.Function) { if((DWORD)pname-u1.Function == (DWORD)pfn) { lpdw=&(pname-u1.Function); VirtualProtect((LPVOID)lpdw,sizeof(DWORD),PAGE_READWRITE,&OldProtect); pname-u1.Function=(DWORD)HookFunc; VirtualProtect((LPVOID)lpdw,sizeof(DWORD),PAGE_READONLY,&OldProtect); return pfn; } pname++; } return (FARPROC)0; } FARPROC CallHook(void) { HMODULE hm=GetModuleHandle(TEXT("Kernel32.dll")); FARPROC fp=GetProcAddress(hm,"TerminateProcess"); HMODULE hm2=GetModuleHandle(TEXT("vdll2.dll")); FARPROC fpHook=GetProcAddress(hm2,"MyTerminateProcess"); dwAddOfTerminateProcess=HookFunction("Kernel32.dll",fp,fpHook); if(dwAddOfTerminateProcess == 0) { MessageBox(NULL,TEXT("Unable TO Hook Function."),TEXT("Parth"),MB_OK); } else { MessageBox(NULL,TEXT("Success Hooked."),TEXT("Parth"),MB_OK); } return 0; } Thanks in advance for any help.

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  • Is there way to extend jQuery to handle a custom enter key event?

    - by Ken
    I write the following code all the time to handle when the enter key pressed: $("#selectorid").keypress(function (e) { if (e.keyCode == 13) { var targetType = e.originalTarget ? e.originalTarget.type.toLowerCase() : e.srcElement.tagName.toLowerCase(); if (targetType != "textarea") { e.preventDefault(); e.stopPropagation(); // code to handler enter key pressed } } }); Is there a way to extend jQuery so that I could just write: $("#selectorid").enterKeyPress(fn);

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  • Subversion/Hudson/Sonar/Artifactory - too much for my little server to handle! Help!

    - by Ricket
    I have a little dedicated server. It's at a cheap price and has a simple AMD 1800+ (1.5ghz), 256mb DDR RAM, ...need I continue? And I think I'm overloading it already. I have installed the following, and it's running CentOS 5.4: Webmin Apache MySQL Subversion as an Apache module Hudson (standalone) Sonar (standalone, runs with a standalone Jetty install) Artifactory (standalone) That's pretty much it. But I'm having problems; pages are loading quite slowly. Network speed of the server is excellent, but I think I'm just running out of CPU and/or memory. A side-effect of the pages loading slowly is that sometimes Hudson times out, not being able to start Maven or contact Sonar in a certain amount of time. I think the next step to speed things up might be to move to an application server and use the WAR version of Hudson, Sonar and Artifactory together on that server. I don't know that it will help, but it just seems to make sense, especially with Sonar running on its own Jetty install and the other two probably running their own mini application servers as well. Am I correct in thinking this? Is this the right course of action? Any other tips on how to make the server run faster? I can post more data if you'd like, just let me know what else would help you answer my question. Oh, also just to cure any suspicions, I don't have any sort of virus or spyware. I protect my SSH access with DenyHosts (which has blocked 300+ brute forcers in the past few months), and I have confirmed that the top four processes in terms of memory and CPU usage are Sonar, Artifactory, Hudson, and MySQL. Edit: I just thought of another thing that I'd like you to comment on as well: Apache currently has 8 spawned slave processes, taking 42MB of ram apiece. This is not my web server. Is everything else able to function if I shut down Apache? Can you point me towards a tutorial or something on migrating Subversion from Apache into something that might work along with the other three applications, maybe even make Subversion a WAR file or something?

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  • How to determine whether a class has a particular templated member function?

    - by Aozine
    I was wondering if it's possible to extend the SFINAE approach to detecting whether a class has a certain member function (as discussed here: "Is there a Technique in C++ to know if a class has a member function of a given signature?" http://stackoverflow.com/questions/87372/is-there-a-technique-in-c-to-know-if-a-class-has-a-member-function-of-a-given-s ) to support templated member functions? E.g. to be able to detect the function foo in the following class: struct some_class { template < int _n > void foo() { } }; I thought it might be possible to do this for a particular instantiation of foo, (e.g. check to see if void foo< 5 >() is a member) as follows: template < typename _class, int _n > class foo_int_checker { template < typename _t, void (_t::*)() > struct sfinae { }; template < typename _t > static big test( sfinae< _t, &_t::foo< _n > > * ); template < typename _t > static small test( ... ); public: enum { value = sizeof( test< _class >( 0 ) ) == sizeof( big ) }; }; Then do foo_int_checker< some_class, 5 >::value to check whether some_class has the member void foo< 5 >(). However on MSVC++ 2008 this always returns false while g++ gives the following syntax errors at the line test( sfinae< _t, &_t::foo< _n > > ); test.cpp:24: error: missing `>' to terminate the template argument list test.cpp:24: error: template argument 2 is invalid test.cpp:24: error: expected unqualified-id before '<' token test.cpp:24: error: expected `,' or `...' before '<' token test.cpp:24: error: ISO C++ forbids declaration of `parameter' with no type Both seem to fail because I'm trying to get the address of a template function instantiation from a type that is itself a template parameter. Does anyone know whether this is possible or if it's disallowed by the standard for some reason? EDIT: It seems that I missed out the ::template syntax to get g++ to compile the above code correctly. If I change the bit where I get the address of the function to &_t::template foo< _n > then the program compiles, but I get the same behaviour as MSVC++ (value is always set to false). If I comment out the ... overload of test to force the compiler to pick the other one, I get the following compiler error in g++: test.cpp: In instantiation of `foo_int_checker<A, 5>': test.cpp:40: instantiated from here test.cpp:32: error: invalid use of undefined type `class foo_int_checker<A, 5>' test.cpp:17: error: declaration of `class foo_int_checker<A, 5>' test.cpp:32: error: enumerator value for `value' not integer constant where line 32 is the enum { value = sizeof( test< _class >( 0 ) ) == sizeof( big ) }; line. Unfortunately this doesn't seem to help me diagnose the problem :(. MSVC++ gives a similar nondescript error: error C2770: invalid explicit template argument(s) for 'clarity::meta::big checker<_checked_type>::test(checker<_checked_type>::sfinae<_t,&_t::template foo<5>> *)' on the same line. What's strange is that if I get the address from a specific class and not a template parameter (i.e. rather than &_t::template foo< _n > I do &some_class::template foo< _n >) then I get the correct result, but then my checker class is limited to checking a single class (some_class) for the function. Also, if I do the following: template < typename _t, void (_t::*_f)() > void f0() { } template < typename _t > void f1() { f0< _t, &_t::template foo< 5 > >(); } and call f1< some_class >() then I DON'T get a compile error on &_t::template foo< 5 >. This suggests that the problem only arises when getting the address of a templated member function from a type that is itself a template parameter while in a SFINAE context. Argh!

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  • how to open a function in new window ?or new tab?

    - by udaya
    Hi I am calling a function in my controller from a button click .... I want the function to be opened in a new window how can we get that ex: now my url is "http://localhost/codeigniter_cup_myth/index.php/adminController/adminDegree" with a button click i am calling a function degreechk in my adminController I want the url "http://localhost/codeigniter_cup_myth/index.php/adminController/degreechk " to be opened in a new window How can i get the new url in a new window

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  • Obtaining references to function objects on the execution stack from the frame object?

    - by Marcin
    Given the output of inspect.stack(), is it possible to get the function objects from anywhere from the stack frame and call these? If so, how? (I already know how to get the names of the functions.) Here is what I'm getting at: Let's say I'm a function and I'm trying to determine if my caller is a generator or a regular function? I need to call inspect.isgeneratorfunction() on the function object. And how do you figure out who called you? inspect.stack(), right? So if I can somehow put those together, I'll have the answer to my question. Perhaps there is an easier way to do this?

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  • Javascript functions return lines of function code or "{[native code]}," what am I doing wrong?

    - by DavidR
    I am writing some code to find the user selection in a contenteditable div, I'm taking my code from this quirksmode article. function findSelection(){ var userSelection; if (window.getSelection) {userSelection = window.getSelection;} else if (document.selection){userSelection = document.selection.createRange();} // For microsoft if (userSelection.text){return userSelection.text} //for Microsoft else {return userSelection} } I'm testing it in Chrome and Firefox, if I do an alert(userSelection) within the function or an alert(findSelection();) outside the function, it returns function getSelection() {[native code]}. If I do console.log(findSelection();) it gives me getSelection(). Is there something I've done wrong?

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  • Can I override a theme function with a .tpl file?

    - by Nick Lowman
    Hi everyone, How would I go around overriding a theme function with a .tpl file? I know how to override a .tpl file with a theme function but not the other way round. I can't seem to find anywhere that tells me so, so maybe it's not possible or not good practise. For example if there was a theme function defined in a module called super_results and registered with the theme registry, like the example below, how would I go around overriding it with super_results.tpl.php. 'super_results' => array( 'arguments' => array('title' => NULL, 'results' => NULL, 'votes' => NULL), ), function modulename_super_results($title, $results,$votes){ output HTML }

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  • What is the best way to handle my softwares licenses?

    - by Sergio Tapia
    By best I mean more time tested, easier to implement and easier for the users to work with. I do not want my licensing crap to interfere with their work. I was thinking of launching a WCF service that check with my license DB if it's a valid license and if it is, send a True. If the returned response is False, then shut down the program after telling them to fix their license. Do you think this is a good way to handle it?

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  • How to handle duplicate symbol error from 3rd party libraries?

    - by brettr
    I have two 3rd party libraries that seem to use the same class. That should be fine but I'm getting this type of error when building: ld: duplicate symbol .objc_class_name_CJSONScanner in /Users/myappOne/TapjoyConnect/Frameworks/libTapjoyConnectSimulatorRewardInstall_Ads_Pinch.a(CJSONScanner.o) and /Developer/Projects/BuildOutput/Debug-iphonesimulator/OtherLibrary_d.a(CJSONScanner.o) How can I handle this issue?

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  • difference between calling javascript function on body load or directly from script.

    - by Abbas
    i am using a javascript where in i am creating multiple div (say 5) at runtime, using javascript function, all the divs contain some text, which is again set at runtime, now i want to disable all the divs at runtime and have the page numbers in the bottom, so that whenever user clicks on the page number only that div should get visible else other should get disable, i have created a function, which accepts parameter, as page number, i enable the div whose page number is clicked and using a for loop, i disable all the other divs, now here my problem is i have created two functions, 1st (for adding divs and disabling all the divs except 1st) and writing content to it, and other for enabling the div whose page number is clicked, and i have called the Adding div function on body onload; now first time when i run, page everthing goes well, but next time when i click on any of the page number, it just gets enabled and again that AddDiv function, runs and re-enables all the divs.. Please reply why this is happening and how should i resolve my issue... Below is my script, content for the div are coming using Json. <body onload="JsonScript();"> <script language="javascript" type="text/javascript"> function JsonScript() { var existingDiv = document.getElementById("form1"); var newAnchorDiv = document.createElement("div"); newAnchorDiv.id = "anchorDiv"; var list = { "Article": articleList }; for(var i=0; i < list.Article.length; i++) { var newDiv = document.createElement("div"); newDiv.id = "div"+(i+1); newDiv.innerHTML = list.Article[i].toString(); newAnchorDiv.innerHTML += "<a href='' onclick='displayMessage("+(i+1)+")'>"+(i+1)+"</a>&nbsp;"; existingDiv.appendChild(newDiv); existingDiv.appendChild(newAnchorDiv); } for(var j = 2; j < list.Article.length + 1; j ++) { var getDivs = document.getElementById("div"+j); getDivs.style.display = "none"; } } function displayMessage(currentId) { var list = {"Article" : articleList} document.getElementById("div"+currentId).style.display = 'block'; for(var i = 1; i < list.Article.length + 1; i++) { if (i != currentId) { document.getElementById("div"+i).style.display = 'none'; } } } </script> Thanks and Regards

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  • How to identify what function call raise an exception in Python?

    - by boos
    i need to identify who raise an exception to handle better str error, is there a way ? look at my example: try: os.mkdir('/valid_created_dir') os.listdir('/invalid_path') except OSError, msg: # here i want i way to identify who raise the exception if is_mkdir_who_raise_an_exception: do some things if is_listdir_who_raise_an_exception: do other things .. how i can handle this, in python ?

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  • Browser freezes when try to call a JS function along with submission of a form.

    - by Waseem
    I have form in my view like following 1 <div> 2 <% form_tag facebook_user_path do %> 3 <label>Use my photo and name from facebook?</label><br /> 4 <%= check_box_tag 'use_name_and_photo', 'yes', true %> 5 <img src="<%= @user.pic %>" /><% @user.name %> 6 7 <%= submit_tag "Finish", :id => "use_name_and_photo_submit" %> 8 <% end %> 9 </div> I have attached some JS handlers using Jquery to this form. 1 var fb = { 2 extendedPermissions: function () { 3 $("#use_name_and_photo_submit").click(function (event) { 4 FB.Connect.showPermissionDialog("email,read_stream,publish_stream", function (perms) { 5 if (!perms) { 6 alert("You have to grant facebook extended permissions to further browse the application."); 7 } else { 8 $("form").submit(function () { 9 $.post($(this).attr("action"), $(this).serialize(), null, "script"); 10 }); 11 } 12 }); 13 event.preventDefault(); 14 return false; 15 }); 16 } 17 }; 18 19 $(document).ready(function () { 20 fb.extendedPermissions(); 21 }); What I want is that when the user clicks on the "Finish" button, he is prompted for the facebook permissions dialogue and when he gives the permissions, the form is submitted to FacebookUsersController. Right now when I click the "Finish" button, facebook permissions dialogue is initiated but before I am prompted for the actual permission submission window, the browser freezes. Just like I have pressed Esc during the process. In fact status bar of the browser says "Stopped". Any help is highly appreciated.

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  • How to pass an associative array as argument to a function in Bash?

    - by niksfirefly
    How do you pass an associative array as an argument to a function? Is this possible in Bash? The code below is not working as expected: function iterateArray { local ADATA="${@}" # associative array for key in "${!ADATA[@]}" do echo "key - ${key}" echo "value: ${ADATA[$key]}" done } Passing associative arrays to a function like normal arrays does not work: iterateArray "$A_DATA" or iterateArray "$A_DATA[@]"

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  • How can I get rid of the resize-handle in a QDialog?

    - by Georg
    I've got the following class: class SelectDateDialog(QDialog): startDate = date.today() endDate = date.today() def __init__(self, text, isInterval = False): QDialog.__init__(self) uic.loadUi("resources/SelectDate.ui", self) Now, the dialog is resizable on Mac OS X 10.5, but it shouldn't be. It has the resize-handle in the lower right corner. I've already tried the setSizeGripEnabled function, it didn't change anything. How can I make it not resizable?

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