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  • Probability Question

    - by Juddling
    if i pick 10 numbers from a possible 80. what is the probablity for someone else picking the same 10 numbers as me? or just 4 numbers? or no numbers? i think it's no matches: 10/80 one match: 10*9/80*79 so the formula would be (10!/matches!)/(80!/matches!) is this right? i've only just started doing this at A-level and i need it for a game script i'm making.

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  • .htaccess redirect question

    - by russp
    I have a slight problem with .htaccess redirect. I have a dynamic site with 2 levels of variables - content="type -(alpha)" and ID="number" but this is very not seo friendly what I really would like to create is a rewrite rule that generates a "friendly" url for serach engines & users alike. Very much like WordPress does. Each ID is already unique (obviously) and on creation is creating a unique "permalink" field so for example ID=1 has a "permalink field" as "2009/10/27/page title" and ID=100 would be "2010/10/27 page title". I would like folder/wall.php?content=type&ID=number to redirect to folder/permalink.php/html/htm (don't mind a non dynamic extension) Any clues? - this is not right (I know) but it also "breaks" my css file RewriteEngine On RewriteRule wall/content/(.*)/ID/(.*)/ wall.php?content=$1&ID=$2 RewriteRule wall/content/(.*)/ID/(.*) wall.php?content=$1&ID=$2

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  • jquery selector question

    - by FFish
    How can I select the src attr from the zoom span? $(".gallery span.zoom").click(function() { // var imgPath = $(this).parent()......attr("src"); // alert(imgPath); return false; }); <ul class="gallery"> <li id="li-1"> <img src="002171/tn/001.jpg" alt="image" /> <span class="delete"></span> <span class="zoom"></span> <em>hello world</em> </li> </ul>

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  • A question about TBB/C++ code

    - by Jackie
    I am reading The thread building block book. I do not understand this piece of code: FibTask& a=*new(allocate_child()) FibTask(n-1,&x); FibTask& b=*new(allocate_child()) FibTask(n-2,&y); What do these directive mean? class object reference and new work together? Thanks for explanation. The following code is the defination of this class FibTask. class FibTask: public task { public: const long n; long* const sum; FibTask(long n_,long* sum_):n(n_),sum(sum_) {} task* execute() { if(n FibTask& a=*new(allocate_child()) FibTask(n-1,&x); FibTask& b=*new(allocate_child()) FibTask(n-2,&y); set_ref_count(3); spawn(b); spawn_and_wait_for_all(a); *sum=x+y; } return 0; } };

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  • SQL Design Question regarding schema and if Name value pair is the best solution

    - by Aur
    I am having a small problem trying to decide on database schema for a current project. I am by no means a DBA. The application parses through a file based on user input and enters that data in the database. The number of fields that can be parsed is between 1 and 42 at the current moment. The current design of the database is entirely flat with there being 42 columns; some have repeated columns such as address1, address2, address3, etc... This says that I should normalize the data. However, data integrity is not needed at this moment and the way the data is shaped I'm looking at several joins. Not a bad thing but the data is still in a 1 to 1 relationship and I still see a lot of empty fields per row. So my concerns are that this does not allow the database or the application to be very extendable. If they want to add more fields to be parsed (which they do) than I'd need to create another table and add another foreign key to the linking table. The third option is I have a table where the fields are defined and a table for each record. So what I was thinking is to make a table that stores the value and then links to those two tables. The problem is I can picture the size of that table growing large depending on the input size. If someone gives me a file with 300,000 records than 300,000 x 40 = 12 million so I have some reservations. However I think if I get to that point than I should be happy it is being used. This option also allows for more custom displaying of information albeit a bit more work but little rework even if you add more fields. So the problem boils down to: 1. Current design is a flat file which makes extending it hard and it is not normalized. 2. Normalize the tables although no real benefits for the moment but requirements change. 3. Normalize it down into the name value pair and hope size doesn't hurt. There are a large number of inserts, updates, and selects against that table. So performance is a worry but I believe the saying is design now, performance testing later? I'm probably just missing something practical so any comments would be appreciated even if it’s a quick sanity check. Thank you for your time.

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  • Password protected web content-- basic question

    - by nickpish
    I'm looking to create a password-protected section of my website that requires user login, and I'm wondering what approach would provide the simplest solution. For the most part, the site will be very simple and static-- i.e. no real requirement for a database/backend-- with the protected content contained in a single directory, which I've already configured on my server via htaccess. I guess I'm wondering ultimately if it's possible to use a script of some sort that will enable access to this protected directory via a form and thereby bypass the need for configuring a mySQL/PHP solution? Furthermore, this protected content is not exactly hyper-sensitive, but private nonetheless. Thanks much for any direction here.

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  • interesting vba/access question: color rectangles according to data

    - by every_answer_gets_a_point
    i have a datasheet that looks like this: ID name_ 1 2 3 4 1 name1 x 0 0 0 2 name2 0 x 0 0 3 name3 0 0 x 0 4 name4 0 0 0 x i have rectangles on a report that correspond to this datasheet. when the report opens, i need the rectangles to be colored RED according to the data. for example where name1 and there is an x in the 1 column, i need the specific rectangle corresponding to this (name1, 1) to be colored red. here is the result that i will need: x x x x (where x is a rectangle that is RED) perhaps the best place to place this code would be in ON LOAD event of the report, but i am not sure exactly. can you please suggest to me some code that would turn the specified rectangles RED according to the data?

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  • question aboute termiateprocess hook

    - by imans62
    i write this code but not work correctly can u help me? void EnableDebugPriv() { HANDLE hToken; LUID luid; TOKEN_PRIVILEGES tkp; OpenProcessToken( GetCurrentProcess(), TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken ); LookupPrivilegeValue( NULL, SE_DEBUG_NAME, &luid ); tkp.PrivilegeCount = 1; tkp.Privileges[0].Luid = luid; tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; AdjustTokenPrivileges( hToken, false, &tkp, sizeof( tkp ), NULL, NULL ); CloseHandle( hToken ); } NTSTATUS WINAPI HookedNtTerminateProcess( __in HANDLE hProcess, __in UINT uExitCode ) { NTSTATUS statues = OriginalNtTerminateProcess(hProcess,uExitCode); HANDLE hProc; PROCESSENTRY32 entry; entry.dwFlags = sizeof( PROCESSENTRY32 ); HANDLE snapshot = CreateToolhelp32Snapshot( TH32CS_SNAPPROCESS, NULL ); if ( Process32First( snapshot, &entry ) == TRUE ) { while ( Process32Next( snapshot, &entry ) == TRUE ) { if ( wcsicmp( entry.szExeFile, L"calc.exe" ) == 0 ) { EnableDebugPriv(); HANDLE hProc = OpenProcess( PROCESS_ALL_ACCESS, FALSE, entry.th32ProcessID ); // Do stuff.. //CloseHandle( hProc ); } } } if(hProc == hProcess) MessageBox(NULL, L"Error", L"Information", MB_OK); else TerminateProcess(hProcess,uExitCode); CloseHandle( hProc); CloseHandle( snapshot ); return statues;

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  • Oh no, Not another Undefined Reference Question!

    - by roony
    Unfortunately yes. I have my shared library compiled, the linker doesn't complain about not finding it but still I get undefined reference error. Thinking that I might be doing something wrong I did a little research and found this nice, simple walkthrough: http://www.adp-gmbh.ch/cpp/gcc/create_lib.html which I've followed to the letter but still I get: $ gcc -Wall main.c -o dynamically_linked -L.\ -lmean /tmp/ccZjkkkl.o: In function `main': main.c:(.text+0x42): undefined reference to `mean' collect2: ld returned 1 exit status This is pretty simple stuff so what's going wrong?!?!? Can anyone suggest something in my set up that might need checking/tweeking? GCC 4.3.2 Fedora 10 64-bit

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  • iphone detailtext in UITableView question

    - by Rob
    So, I am able to create an array that populates the fields of the Table, but am having troubles creating the subtext that appears below the main fields. I currently have: - (void)viewDidLoad { [super viewDidLoad]; listOfForms = [[NSMutableArray alloc] init]; [listOfForms addObject:@"First Form"]; } and then: NSString *cellValue = [listOfDAForms objectAtIndex:indexPath.row]; cell.textLabel.text = cellValue; in the cellForRowAtIndexPath portion. Why can't I add: listOfNames = [[NSMutableArray alloc] init]; [listOfNames addObject:@"Named Form"]; and NSString *cellSubscript = [listOfNames objectAtIndex:indexPath.row]; cell.detailTextLabel.text = cellSubscript; in order to make the little subview work? What am I doing wrong?

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  • HTML Language question

    - by Mike
    Note my code below. I am trying to figure out why my data is not changing to Spanish. I understand it to be one line of code and that is all within the HTML attribute lang=”es”. Any help would be greatly appreciated. <?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xlmns="http://www.w3.org/1999/xhtml" lang=”es” xml:lang="en"> <head> <title>JavaJam Coffee House</title> <link href="javajam.css" rel="stylesheet" type="text/css" /> </head> <body bgcolor="brown"> <h1>JavaJam Coffee House</h1> <ul> <li>Specialty Coffee and Tea</li> <li>Bagels, Muffins, and Organic Snacks</li> <li>Music and Poetry Readings</li> <li>Usability Studies</li> <li>Open Mic Night</li> </ul> <br></br> <p>12312 Main Street<br> Mountain Home, CA 93923<br> 1-888-555-5555</br> </p> <p> <em> <small>Copyright &copy; 2008 JavaJam Coffee House</em></p> E-Mail <a href="mailto;[email protected]"> Michael J. Crawley</a> </body> </html>

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  • MVC JSON ViewData Question

    - by user325142
    Can ViewData be set & returned in an ActionResult that returns Json() ? Im asking because It's not working for me but when I put the same ViewData code into a Action method that returns a View() it works? Thanks

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  • JavaScript basic question

    - by refge
    I have this small JavaScript code which I need some help with: function doFocus(text) { if (text.value == "Enter Name") { text.value = "Student Name -"; } } All I need here is when someone clicks on my textbox, the text "Student Name -" should change its color, and should text-align = left. I am looking for the appropriate syntax for something like text.color and text.align.

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  • C++ CRTP question

    - by aaa
    following piece of code does not compile, the problem is in T::rank not be inaccessible (I think) or uninitialized in parent template. Can you tell me exactly what the problem is? is passing rank explicitly the only way? or is there a way to query tensor class directly? Thank you #include <boost/utility/enable_if.hpp> template<class T, // size_t N, class enable = void> struct tensor_operator; // template<class T, size_t N> template<class T> struct tensor_operator<T, typename boost::enable_if_c< T::rank == 4>::type > { tensor_operator(T &tensor) : tensor_(tensor) {} T& operator()(int i,int j,int k,int l) { return tensor_.layout.element_at(i, j, k, l); } T &tensor_; }; template<size_t N, typename T = double> // struct tensor : tensor_operator<tensor<N,T>, N> { struct tensor : tensor_operator<tensor<N,T> > { static const size_t rank = N; }; I know the workaround, however am interested in mechanics of template instantiation for self-education

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  • Yet another list comprehension question

    - by relima
    I had this: if Setting["Language"] == "en": f.m_radioBox3.SetSelection(0) elif Setting["Language"] == "pt": f.m_radioBox3.SetSelection(1) elif Setting["Language"] == "fr": f.m_radioBox3.SetSelection(2) elif Setting["Language"] == "es": f.m_radioBox3.SetSelection(3) Then I did this: Linguas = ["en","pt","fr","es"] a = 0 for i in Linguas: if i == Setting["Language"]: f.m_radioBox3.SetSelection(a) a += 1 Is it possible to further simplify this and make it into a one-liner?

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  • question about a macro in Linux Kernel List implementation

    - by holydiver
    I generally have ignored using macros while writing in C but I think I know fundamentals about them. While i was reading the source code of list in linux kernel, i saw something like that: #define LIST_HEAD_INIT(name) { &(name), &(name) } #define LIST_HEAD(name) \ struct list_head name = LIST_HEAD_INIT(name) (You can access the remaining part of the code from here.) I didn't understand the function of ampersands(I don't think they are the address of operands here) in LIST_HEAD_INIT and so the use of LIST_HEAD_INIT in the code. I'd appreciate if someone can enlighten me.

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  • Simple Javascript question

    - by Rachel
    I have products : offer_id in javascript and am getting value of offer_id dynamically. Let say I get products : 12345 but now instead of that I want it to be as products : ;12345, than how can this be achieved in javascript. I have tried : products : ';'.offer_id products : ';'."offer_id" products : ';'.'offer_id' products : ";".offer_id But all of my above trials have failed and am getting syntax error for each one of those. I am newbie to Javascript and so would really appreciate any inputs.

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  • url and nameserver question

    - by aristotaly
    i have hosting accout in go daddy its a delux plan so i can assign more than one url right now i got two of them they both registerd throgh go daddy in the same account. right now i would like to give some storage space to a freind that have a url ( also go ddady) in a different account . and i do not know how to do it . i think he needs to set up his name servers as my name servers so he did and than i should add his url in the domain maneger i did that also and even installed joomla on this particular folder that i assinged to his url nothing happenend . am i missing somthing ? plz help if you can :)

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  • Simple question about operator ||

    - by Tristan
    HEllo, i try to do that in FlashBuilder (FlexProject) protected function btn_detail_view_clickHandler(event:MouseEvent):void { CurrentState="Statistiques" || "PartMarche"; } But it's not working, i guess this is not the right syntax but what's the right syntax ? Thanks

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  • Perl and hosts file mapping question?

    - by user275633
    All, I have a hosts file that looks like this: 10.10.10.1 myserver1 myserver1alias 10.10.10.2 myserver2 myserver2alias I'm looking for a way using perl to pass in an argument of myserver1 and have it return myserver1alias, likewise if I pass in myserver2 it should return myserver2alias. Any suggestions?

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