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• how to solve the captcha problem

  - by magna

  ho i have writen this code for my captcha. i created my captcha for contact form everything works fine but what er the number i entered in captcha box it shows invalid captcha `` <?php if(isset($_POST['norobot'])) { if(md5($_POST['norobot']) == $_SESSION['randomnr2']) { echo "Validation Success"; $_SESSION['name'] = $name ; $_SESSION['phone_no'] = $phone; $_SESSION['mailid'] = $mailid; $_SESSION['msg'] = $msg; $_SESSION['category'] = $category; header("Location:thankyou.php"); } else { $Error = 'Invalid CAPTCHA'; } } } ?> can any one say the solution. thanks

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• How to disable back button in browser using javascript or any script

  - by user225269

  Im using wamp server for my php scripts. And Im having difficulties on the logout code. Every time I click on the logout link and then click on the back button on web browser it still shows the page which can only be access by the user who is logged in. I have this code at the beginning of the index.php which is called by the log out link to destroy the session: <?php session_start(); session_destroy(); ?> And I have this at the beginning of the user page: <? session_start(); if(!session_is_registered(myusername)){ header("location:login.php"); } ?> I don't know why the userpage can still be access after the user has logged out. So I'm thinking of disabling the back button when the user has logged out. Please help.

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• New hire expectations... (Am I being unreasonable?)

  - by user295841

  I work for a very small custom software shop. We currently consist me and my boss. My boss is an old FoxPro DOS developer and OOP makes him uncomfortable. He is planning on taking a back seat in the next few years to hopefully enjoy a “partial retirement”. I will be taking over the day to day operations and we are now desperately looking for more help. We tried Monster.com, Dice.com, and others a few years ago when we started our search. We had no success. We have tried outsourcing overseas (total disaster), hiring kids right out of college (mostly a disaster but that’s where I came from), interns (good for them, not so good for us) and hiring laid off “experienced” developers (there was a reason they were laid off). I have heard hiring practices discussed on podcasts, blogs, etc... and have tried a few. The “Fizz Buzz” test was a good one. One kid looked physically ill before he finally gave up. I think my problem is that I have grown so much as a developer since I started here that I now have a high standard. I hear/read very intelligent people podcasts and blogs and I know that there are lots of people out there that can do the job. I don’t want to settle for less than a “good” developer. Perhaps my expectations are unreasonable. I expect any good developer (entry level or experienced) to be billable (at least paying their own wage) in under one month. I expect any good developer to be able to be productive (at least dangerous) in any language or technology with only a few days of research/training. I expect any good developer to be able to take a project from initial customer request to completion with little or no help from others. Am I being unreasonable? What constitutes a valuable developer? What should be expected of an entry level developer? What should be expected of an experienced developer? I realize that everyone is different but there has to be some sort of expectations standard, right? I have been giving the test project below to potential canidates to weed them out. Good idea? Too much? Too little? Please let me know what you think. Thanks. Project ID: T00001 Description: Order Entry System Deadline: 1 Week Scope The scope of this project is to develop a fully function order entry system. Screen/Form design must be user friendly and promote efficient data entry and modification. User experience (Navigation, Screen/Form layouts, Look and Feel…) is at the developer’s discretion. System may be developed using any technologies that conform to the technical and system requirements. Deliverables Complete source code Database setup instructions (Scripts or restorable backup) Application installation instructions (Installer or installation procedure) Any necessary documentation Technical Requirements Server Platform – Windows XP / Windows Server 2003 / SBS Client Platform – Windows XP Web Browser (If applicable) – IE 8 Database – At developer’s discretion (Must be a relational SQL database.) Language – At developer’s discretion All data must be normalized. (+) All data must maintain referential integrity. (++) All data must be indexed for optimal performance. System must handle concurrency. System Requirements Customer Maintenance Customer records must have unique ID. Customer data will include Name, Address, Phone, etc. User must be able to perform all CRUD (Create, Read, Update, and Delete) operations on the Customer table. User must be able to enter a specific Customer ID to edit. User must be able to pull up a sortable/queryable search grid/utility to find a customer to edit. Validation must be performed prior to database commit. Customer record cannot be deleted if the customer has an order in the system. (++) Inventory Maintenance Part records must have unique ID. Part data will include Description, Price, UOM (Unit of Measure), etc. User must be able to perform all CRUD operations on the part table. User must be able to enter a specific Part ID to edit. User must be able to pull up a sortable/queryable search grid/utility to find a part to edit. Validation must be performed prior to database commit. Part record cannot be deleted if the part has been used in an order. (++) Order Entry Order records must have a unique auto-incrementing key (Order Number). Order data must be split into a header/detail structure. (+) Order can contain an infinite number of detail records. Order header data will include Order Number, Customer ID (++), Order Date, Order Status (Open/Closed), etc. Order detail data will include Part Number (++), Quantity, Price, etc. User must be able to perform all CRUD operations on the order tables. User must be able to enter a specific Order Number to edit. User must be able to pull up a sortable/queryable search grid/utility to find an order to edit. User must be able to print an order form from within the order entry form. Validation must be performed prior to database commit. Reports Customer Listing – All Customers in the system. Inventory Listing – All parts in the system. Open Order Listing – All open orders in system. Customer Order Listing – All orders for specific customer. All reports must include sorts and filter functions where applicable. Ex. Customer Listing by range of Customer IDs. Open Order Listing by date range.

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• c++ defining a static member of a template class with type inner class pointer

  - by Jack

  I have a template class like here (in a header) with a inner class and a static member of type pointer to inner class template <class t> class outer { class inner { int a; }; static inner *m; }; template <class t> outer <t>::inner *outer <t>::m; when i want to define that static member i says "error: expected constructor, destructor, or type conversion before '*' token" on the last line (mingw32-g++ 3.4.5)

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• jQuery to target CSS a:hover class

  - by songdogtech

  Confused here. What's the best way to change the hover CSS of the link below, and how? toggle.Class? add.Class? I want to show an image on hover. I have been able to change the color of the text with $("#menu-item-1099 a:contains('rss')").css("color", "#5d5d5d"); but can't seem to target the hover class. <div id="access"> <div class="menu-header"> <ul id="menu-main-menu" class="menu"> <li id="menu-item-1099" class="menu-item menu-item-type-custom menu-item-1099"> <a href="http://mydomain.com/feed/">rss</a></li>

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• C++ converting binary(P5) image to ascii(P2) image (.pgm)

  - by tubby

  I am writing a simple program to convert grayscale binary (P5) to grayscale ascii (P2) but am having trouble reading in the binary and converting it to int. #include <iostream> #include <fstream> #include <sstream> using namespace::std; int usage(char* arg) { // exit program cout << arg << ": Error" << endl; return -1; } int main(int argc, char* argv[]) { int rows, cols, size, greylevels; string filetype; // open stream in binary mode ifstream istr(argv[1], ios::in | ios::binary); if(istr.fail()) return usage(argv[1]); // parse header istr >> filetype >> rows >> cols >> greylevels; size = rows * cols; // check data cout << "filetype: " << filetype << endl; cout << "rows: " << rows << endl; cout << "cols: " << cols << endl; cout << "greylevels: " << greylevels << endl; cout << "size: " << size << endl; // parse data values int* data = new int[size]; int fail_tracker = 0; // find which pixel failing on for(int* ptr = data; ptr < data+size; ptr++) { char t_ch; // read in binary char istr.read(&t_ch, sizeof(char)); // convert to integer int t_data = static_cast<int>(t_ch); // check if legal pixel if(t_data < 0 || t_data > greylevels) { cout << "Failed on pixel: " << fail_tracker << endl; cout << "Pixel value: " << t_data << endl; return usage(argv[1]); } // if passes add value to data array *ptr = t_data; fail_tracker++; } // close the stream istr.close(); // write a new P2 binary ascii image ofstream ostr("greyscale_ascii_version.pgm"); // write header ostr << "P2 " << rows << cols << greylevels << endl; // write data int line_ctr = 0; for(int* ptr = data; ptr < data+size; ptr++) { // print pixel value ostr << *ptr << " "; // endl every ~20 pixels for some readability if(++line_ctr % 20 == 0) ostr << endl; } ostr.close(); // clean up delete [] data; return 0; } sample image - Pulled this from an old post. Removed the comment within the image file as I am not worried about this functionality now. When compiled with g++ I get output: $> ./a.out a.pgm filetype: P5 rows: 1024 cols: 768 greylevels: 255 size: 786432 Failed on pixel: 1 Pixel value: -110 a.pgm: Error The image is a little duck and there's no way the pixel value can be -110...where am I going wrong? Thanks.

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• Are multiply-thrown Exceptions checked or runtime?

  - by froadie

  I have an Exception chain in which method1 throws an Exception to method2 which throws the Exception on to main. For some reason, the compiler forces me to deal with the error in method2 and marks it as an error if I don't, indicating that it's a checked Exception. But when the same Exception is thrown further down the line to main, the compiler allows me to ignore it and doesn't display any errors. The original Exception in method1 is a ParseException, which is checked. But the method has a generic throws Exception clause in the header, and the same object is thrown to method2, which has an identical throws Exception clause. When and how does this Exception lose the status of being checked / caught by the compiler? Edited to clarify: public void method1() throws Exception{ // code that may generate ParseException } public void method2() throws Exception{ method1(); //compiler error } public static void main(String[] args){ method2(); //ignored by compiler }

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• PHP & AJAX SEO - For users with javascript and non javascript

  - by RussellHarrower

  So I understand this may come across as a open question, but I need away to solve this issue. I can either make the site do ajax request that load the body content, or I can have links that re-loads the whole page. I need the site to be SEO compliant, and I would really like the header to not re-load when the content changes, the reason is that we have a media player that plays live audio. Is there away that if Google BOT or someone without ajax enabled it does the site like normal href but if ajax or javascript allowed do it the ajax way.

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• Type problem when including tuple

  - by Person

  I'm using Visual Studio 2008 with Feature Pack 1. I have a typedef like this typedef std::tr1::tuple<std::string, std::string, int> tileInfo with a function like this const tileInfo& GetTile( int x, int y ) const. In the implementation file the function has the exact same signature (with the added class name qualifier) and I am getting a redefinition: different type modifiers error. It seems to be looking for an int& instead of a tileInfo& When I mouse over the type of the function in the header, i.e. tileInfo& it brings up a little bar saying static const int tileInfo. I think this may be the problem, but I'm not sure what to do. Any help is appreciated, thanks.

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• How do I modify this download function in Python?

  - by TIMEX

  Right now, it's iffy. Gzip, images, sometimes it doesn't work. How do I modify this download function so that it can work with anything? (Regardless of gzip or any header?) How do I automatically "Detect" if it's gzip? I don't want to always pass True/False, like I do right now. def download(source_url, g = False, correct_url = True): try: socket.setdefaulttimeout(10) agents = ['Mozilla/4.0 (compatible; MSIE 5.5; Windows NT 5.0)','Mozilla/4.0 (compatible; MSIE 7.0b; Windows NT 5.1)','Microsoft Internet Explorer/4.0b1 (Windows 95)','Opera/8.00 (Windows NT 5.1; U; en)'] ree = urllib2.Request(source_url) ree.add_header('User-Agent',random.choice(agents)) ree.add_header('Accept-encoding', 'gzip') opener = urllib2.build_opener() h = opener.open(ree).read() if g: compressedstream = StringIO(h) gzipper = gzip.GzipFile(fileobj=compressedstream) data = gzipper.read() return data else: return h except Exception, e: return ""

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• How do I branch an individual file in SVN?

  - by Michael Carman

  The subversion concept of branching appears to be focused on creating an [un]stable fork of the entire repository on which to do development. Is there a mechanism for creating branches of individual files? For a use case, think of a common header (*.h) file that has multiple platform-specific source (*.c) implementations. This type of branch is a permanent one. All of these branches would see ongoing development with occasional cross-branch merging. This is in sharp contrast to unstable development/stable release branches which generally have a finite lifespan. I do not want to branch the entire repository (cheap or not) as it would create an unreasonable amount of maintenance to continuously merge between the trunk and all the branches. At present I'm using ClearCase, which has a different concept of branching that makes this easy. I've been asked to consider transitioning to SVN but this paradigm difference is important. I'm much more concerned about being able to easily create alternate versions for individual files than about things like cutting a stable release branch.

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• Best way to deal with multiple layouts in symfony

  - by Pierre

  Hey folks. I'm looking for the best way to do something simple in symfony. Basically, I have a module in which all the pages will contain the same header and footer. That module also shares the same general layout as the other modules. I'm just wondering, should I create one file and have my content pages called up as partials or should all files have their own content and somehow call the two other templates. I made a quick example of my setup: http://grab.by/3Riy Hopefully, it'll help understand what I'm trying to do. Thanks!

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• C++ Windows IOCP - HTTP POST data missing

  - by Mike Trader

  I have written a very simple IOCP HTTP server that works for the GET verb, but not POST. I create a socket and a listen thread in which accept() is waiting for a connection. When a client connects I call ioctlsocket() to unblock the socket then I associate the socket with IOCP and finally call WSARecv() to read the data. Some data is indeed read and when that has happened, IOCP wakes up a worker thread via GetQueuedCompletionStatus() and I recover the request data. I only ever get the request header when I POST from any browser. Any suggestions as to why? I am assuming the IOCP completes when ALL the data has arrived from TCP?

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• Prevent Carousel scroll within scrollable Container (Sencha 2)?

  - by TragedyStruck

  I've got a Container with a header, content (Carousel) and a footer. The Container itself is therefor scrollable (vertical) to be able to scroll down to the footer. The Carousel can be swiped horizontally to change active item. I want to lock it to do only two thing: If starting to move vertically, only scroll Container If starting to move horizontally, only scroll Carousel If you now grab the Carousel you are able to scroll both ways at the same time. Example code: Ext.define('MyApp.view.MyContainer', { extend: 'Ext.Container', config: { scrollable: true, items: [ { xtype: 'container', items: [ { xtype: 'label', html: 'abc' } ] }, { xtype: 'carousel', height: 200, scrollable: false, items: [ { xtype: 'label', html: 'x' }, { xtype: 'label', html: 'y<br/>y<br/>y<br/>y<br/>y<br/>y<br/>y<br/>y' } ] }, { xtype: 'container', items: [ { xtype: 'label', html: 'def' } ] } ] } }); Using Sencha Touch 2.

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• Style Only Underline

  - by Lynda

  I have a header that is underlined using text-decoration: underline; The only problem is the line is too thin. I would like to make only the underline thicker. I have considered using border-bottom to do this but the border stretches the full width of the container and the text is centered. Doesn't work. I do not think this is possible and I am ready for the crisicm but it never hurts to ask. Never know what solutions one may come up with.

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• The C++ 'new' keyword and C

  - by Florian

  In a C header file of a library I'm using one of the variables is named 'new'. Unfortunately, I'm using this library in a C++ project and the occurence of 'new' as a variable names freaks out the compiler. I'm already using extern "C" { #include<... }, but that doesn't seem to help in this respect. Do I have to aks the library developer to change the name of that variable even though from his perspective, as a C developer, the code is absolutely fine, as 'new' is not a C keyword?

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• How do I use master page container in partial view

  - by user200295

  I have several partial views with Javascript that I am trying to move to the bottom of the page. To do this I am trying to use a container in the master page Master Page - <asp:ContentPlaceHolder ID="Foot" runat="server"></asp:ContentPlaceHolder> Partial view(ascx) <asp:Content ID="header" ContentPlaceHolderID="head" runat="server"> ... </asp:Content> But I get this error Parser Error Message: Content controls have to be top-level controls in a content page or a nested master page that references a master page. So how do I ensure that the Javascript for the partial view is at the bottom of the page? Especially in cases where the html layout needs to be at the top of the page?

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• cfgrid boolean column as Yes/No

  - by Gene R

  I have a boolean type column in an html cfgrid. The data is stored in the database as 1/0 and is returned from CF as such. I want the user to see Yes/No instead of 1/0. I tried QuerySetCell, and couldn't get it to work. The form is editable, when you double click the cell, the checkboxes show and it updates as it should. The only issue is the display. <cfform> <cfgrid name="blah" format="html" bind="mycfccall" selectmode="edit"> <cfgridcolumn name="bitCol" header="Is it" width="75" type="boolean"> </cfgrid> </cfform> Thanks in advance...

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• Having encoding problems in Aptana Studio

  - by keune

  A few months ago, I was working on a PHP project in Aptana Studio. It was version 1.5 or something. Later I installed Aptana 2.0 and created a new project with the same files. Back then it was UTF-8 so I chose UTF-8 for the project's text file encoding. When I make changes in any PHP file using Aptana, it gives the error: Warning: Cannot modify header information - headers already sent... I know it's a problem related to encoding. What can I do?

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• How to inline a function for only release build.

  - by Benjamin

  // common.h // This is foo funtion. It has a body. __inline void foo() { /* something */ } // a.cpp #include "common.h" // for foo function // Call foo // b.cpp #include "common.h" // for foo function // Call foo I would like to inline the foo function only when I build for release. -I dont want to inline functions for Debug build. I tried it but linker errors annoyed me. In this case, foo function's body is defined in common.h header file. so if I just do //common.h #if !defined(_DEBUG) __inline #endif void foo() { /* something */ } I will be met a link error in DEBUG build. Because two modules try to include common.h. I have no idea to solve it. Is it possible?

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• Google Analytics cookies

  - by wokena

  My problem: I erased all cookies from my computer. I sent Post request to the X server log and sent me a "normal" Set-Cookie with its parameters, but then somehow it will send request for Google Analytics (GA), in which the "strange" header (utma, utmac, utmcn ...). This happens when I send request in browser. But when I pass a request to login from my program (I programm in Ruby), so my server will return 302 Found, but no request to the GA sends. And I just need these headers ...

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• [C#] Array as DataSource of a DataGrid: how to customize columns?

  - by pbean

  In my Windows Mobile .NET application I have a simple array of object with the data I want to display in my DataGrid. To do this, I simply call: myDataGrid.DataSource = myArray; This works, but I have a problem with it: it uses all properties as columns and uses the names of the properties as the column headers. I can't figure out how to customize two things: Select which subset of properties should be displayed as columns (say I have an ID, Name and Value property, I'd only want to show Name and Value); Rename the column headers to make more sense (for example if the property is called ID display a column header saying "Number"). Is this possible at all? As mentioned this is in a Windows Mobile .NET (version 2) application.

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• How to add response headers based on Content-type, or getting Content-type before the response is co

  - by Bozho

  I want to set the Expires header for all image/* and text/css. I'm doing this in a Filter. However: before calling chain.doFilter(..) the Content-type is not yet "realized" after calling chain.doFilter(..) the Content-type is set, but so is content-length, which forbids adding new headers (at least in Tomcat implementation) I can use the extensions of the requested resource, but since some of the css files are generated by richfaces by taking them from inside jar-files, the name of the file isn't x.css, but is /xx/yy/zz.xcss/DATB/.... So, is there a way to get the Content-type before the response is committed.

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• global std::unordered_map com server init problems

  - by PrettyFlower

  I want to have a static global std::unordered_map in the cpp of my entry point for my COM server. relevant header code: typedef unordered_map<HWND,IMyInterface*> MyMapType; relevant body: static MyMapType MyMap; void MyFunction(HWND hWnd, IMyInterface* pObj){ MyMap[HWND] = pObj; } HINSTANCE g_hInstModule = NULL; BOOL WINAPI DllMain ( __in HINSTANCE hInstDLL, __in DWORD fdwReason, __in LPVOID lpvReserved ) { if( fdwReason == DLL_PROCESS_ATTACH ) { g_hInstModule = hInstDLL; return true; } else if( fdwReason == DLL_PROCESS_DETACH ) { return true; } return false; } MyCoClass::MyCoClass() { DRM_Refcount = 1; } HRESULT STDMETHODCALLTYPE MyCoClass::InitMyCoClass() { CoInitializeEx(NULL, COINIT_APARTMENTTHREADED); //replace with make window code MyFunction(hWnd,ISomeInterface); return S_OK; } The only way I can get this to work is be making a map_type pointer and creating an instance of map_type on the heap and pointing at it with the global pointer. :/ WHY?

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• Store an array of UIViews in NSUserDefaults

  - by Mona

  I'm trying to add an array of uiviews to NSDefault but it doesn't seem to be keep the array. Does any one know why? I also tried to store each view in nsvalue before storing it in nsdefault which still didn't work. NSArray *arr = [[NSArray alloc] initWithObjects:[NSValue valueWithNonretainedObject:myView], nil]]; NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults]; [defaults setObject:arr forKey:@"myKey"]; NSArray *resultArray = [defaults objectForKey:@"myKey"]; and resultArray is nil! Thanks the reason why I'm trying to do this is because these are the header views of my uitableview. Since it takes time to create them I wanted to create them only once and store them for future access.

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