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• browser backbtn with javascript

  - by karthik

  Hi Folks, I am creating a quiz game in PHP. I maintain a session from the start to the end of the quiz. When the user clicks on the back button in the middle of the quiz It display a page with message "Confirm Form Resubmission This web page requires data that you entered earlier in order to be properly displayed" So, I m trying to keep it on the same page on click of back button I have handled the "onbeforeunload" event & it's firing up too. code snippet Redirectpage { javascript:window.history.forward(1); } but still am getting the same error? thankyou folks.

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• How can I fake sql data while preserving statements without commenting my server-side code?

  - by Fedor

  I have to use hardcoded values for certain fields because at this moment we don't have access to the real data. When we do get access, I don't want to go through a lot of work uncommenting. Is it possible to keep this statement the way it is, except use '25' as the alias for ratecode? IF(special.ratecode IS NULL, br.ratecode, special.ratecode) AS ratecode, I have about 8 or so IF statements similar to this and I'm just too lazy ( even with vim ) to re-append while commenting out each if statement line by line. I would have to do this: $sql = 'SELECT u.*,'; // IF ( special.ratecode IS NULL, br.ratecode, special.ratecode) AS ratecode $sql.= '25 AS ratecode';

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• Session variables return completely after unsetting.

  - by RemiX

  I have a script that should log the user out of the site. It unsets all $_SESSION and $_COOKIE variables related to the login data of the user. But somehow, it seems impossible to log out. I checked the $_SESSION array at the end of the logout script, and at the beginning of each page. At the end of the logout script it says 'array()', but when I click the home button - or any link on the site - the full session data is back again and I don't know where it comes from. This is how I try to unset the session data: unset($_SESSION); unset($_COOKIE["usid"]); unset($_COOKIE["pw"]); unset($_COOKIE["adm"]); -- I don't know how to put it on different lines, but it's not that hard to read. Why do these data keep coming back?!

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• iPad --- managedObject problem when [self.tableViewSection reloadData]

  - by user345777

  Hi , I am creating a news aggregator application that fetches a xml feed every 4 minutes. After the xml is loaded, I clear everything by deleting all the objects in the database, then save the new objects back into the database. I then call [self.tableViewSection reloadData]; to reload the tableView. Thats when I get a problem. As soon as the code gets to a section where i access the new [[managedObject valueForKey:@"event_text"] description] content it fails with a : * Terminating app due to uncaught exception 'NSObjectInaccessibleException', reason: 'CoreData could not fulfill a fault for '0x4b3f6a0 '' Now from the flow I described on top, it seems odd to me that the tableView is populated properly the next time i launch the application, with the "new" data I fetched in the previous session. So its not that data thats corrupt , but seems to me something goes wrong when I refetch the managedObject after saving new data. Also keep in mind thats this app runs fine on the iPhone, its the iPad thats is giving me this problem.

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• What language should I learn to make 2D turn-based video games?

  - by giggles

  I want to make 2 dimensional turn-based games for the PC. Something like early Final Fantasy or Chrono Trigger. Is C++ the only plausible option? I keep getting told that C++ is the language of choice for games, but is this the case even for 2D, turn-based games? Are any other languages good for this sort of thing? I'm really big on clean, readable, extendible code, so a language that fosters that sort of thing would be great. Doing this for fun, not business. Java is the only language I really know well right now. By the way, this is my first question and I'm a noob. I read the FAQ, but if I'm doing anything noobish anyway, then I'm sorry.

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• What is the best way to make a game timer in Actionscript 3?

  - by Nuthman

  I have built an online game system that depends on a timer that records how long it took a player to complete a challenge. It needs to be accurate to the millisecond. Their time is stored in a SQL database. The problem is that when I use the Timer class, some players are ending up getting scores in the database of less than a second. (which is impossible, as most challenges would take at least 11 seconds to complete even in a perfect situation.) What I have found is that if a player has too many browser windows open, and/or a slow computer, the flash game slows down actually affecting the timer speed itself. The timer is 'spinning' on screen so you can physically see the numbers slowing down. It is frustrating that I cannot just open a second thread or do something to allow flash to keep accurate time regardless of whatever else is going on in the program. Any ideas?

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• How to make div clickable?

  - by metal-gear-solid

  I want to make this div click-able and want to use same href of inside <a> and want to keep link in inside <a> also (so if JS is disabled then link will be accessible). <div id="example"> <p> some text </p> <img src="example.jpg /> <a href="http://stackoverflow.com"> link </link> </div>

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• How to let users with required permission download a file via php?

  - by Yegor

  I have a php file that acts as a gatekeeper for all the files I want people to download, who ahve sufficient privilages. The code I use throw the file to the user is header('Content-Description: File Transfer'); header('Content-Type: application/octet-stream'); header("Content-disposition: attachment; filename=\"".$public_filename."\""); header("Content-Transfer-Encoding: Binary"); header('Expires: 0'); header('Cache-Control: must-revalidate, post-check=0, pre-check=0'); header('Pragma: public'); header("Content-length: ".$f_filesize); readfile($file_path); Most files are fairly large.... 400mb-10GB. What would be a good way to do this, and keep the true locations + filenames secret, so people cant just link to the files directly, but HAVE to link thru my download.php?file=ID gatekeeper? Thanks

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• Too many local variables in ASP.NET

  - by Yongwei Xing

  Hi all I wrote a control, and use a tool to do the code analysis. There is a test that I didn't pass. Avoid excessive locals, http://msdn.microsoft.com/library/ms182263(VS.90).aspx. In my CreateChildControls function, I built a big table with lots of field. I need to create a lot of TableRow and TableCell to construct the table. But these are not field or property of control. Thery are local variables in the function, which are created dynamically. Should I make these TableCells and TableRows as fields of the control? Or I just keep them as the local variables in the CreateChildControl function? Best Regards,

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• git - how do I clone into a non-empty directory?

  - by shovas

  I have directory A with files matching directory B. Directory A may have other needed files. Directory B is a git repo. I want to clone directory B to directory A but git-clone won't allow me to since the directory is non-empty. I was hoping it would just clone .git and since all the files match I could go from there? I can't clone into an empty directory because I have files in directory A that are not in directory B and I want to keep them. Copying .git is not an option since I want refs to push/pull with and I don't want to set them up manually. Is there any way to do this? Update: I think this works, can anyone see any problems? -- cd a git clone --no-hardlinks --no-checkout ../b a.tmp mv a.tmp/.git . rm -rf a.tmp git unstage # apparently git thinks all the files are deleted if you don't do this

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• WOFF Fonts, what Are they and why should I care?

  - by CS

  So mozilla has proposed a new webfont, i'm not really into that world, but i want to keep myself up2date. So whats the great thing since even Microsoft is backing it, why should I as a webdev care? Whats the difference from the old ones? Do we need another font system? In what situations should i use WOFF? Why not just stick to the existing ones? Also a new tag called WOFF might be useful.

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• Is there a way to delete a form element without using jQuery .remove()?

  - by Tommy

  Using .remove() so that the select all check box is not submitted to the server. However, it is visible to the user as the select all checkbox is "physically" removed from the web page, upon submit. Instead, I would like removing the select all check box to appear seamless but NOT on the server side. i.e. - I would like to keep the input on the page but remove the element in the form array before it is sent. Can I manipulate the element[] array of the form before it is sent to the server and delete it there? Thank you.

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• Gmock setting out parameter

  - by user1135541

  Have a gmock method, and during test, need to set the out parameter to variable address. So that the out parameter of dequeue, which is data points to variable ch; MOCK_METHOD1(dequeue, void(void* data)); char ch = 'm'; void* a = (void*)&ch; EXPECT_CALL(FQO, dequeue(_)) .WillOnce(/*here I need to set argument to a*/); I tried to figure out side effects: https://code.google.com/p/googlemock/wiki/V1_7_CheatSheet#Side_Effects but keep getting an error.

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• How do I wrap a repeatbale set of elements in jQuery?

  - by Globalz

  In jQuery how would I go about wrapping a repeatable set of elements with a div? For example I have: img h4 p img h4 p img h4 p I need to wrap each img, h4, p set with a div class="container". So it will look like: <div> class="container" img h4 p </div> <div> class="container" img h4 p </div> <div> class="container" img h4 p </div> Any ideas on how I can achieve this as its driving me nuts! I keep getting nested div.containers! Thanks!

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• travesersing the dom with inexact parameters

  - by rashcroft23

  Hi, I want to grab the image src on a product page in a e commerce website. I'm writing this as a bookmarklet, so I'd like the code to work universally as possible. I've noticed that there are only two reoccurring factors in the product image tag among top e-commerce websites (amazon, bestbuy ect.): border=0 and 180<width&height<400. So how could I write a selector that would give me the srcof the first img element on the page with no border and width & height between 180 and 400 px? Or is there a better way of doing this? P.S. since I'm trying to keep the bookmarklet as light as possible, I don't want to use any libraries (jquery, yui etc)

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• iPhone Application and programming Updates

  - by Cheryl

  Hi When a user logs into my iPhone App. I store their userID and relevant information in [NSUserDefaults standardUserDefaults]. This way they are not required to log in each time they access my application. When my application is live in the app store and I make updates to the code will this information be lost - will they then be required to log in? If so how do I go about preserving this information when I make updates? And while I can't image this happening but should a user choose to delete my application after they have installed it - how would I know that they have deleted it? I am using the push notifications and would like to flag the user as not being active so that I don't keep pushing out notifications to them. Thanks Very Much Cheryl

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• MySQL Database || Tables Issue

  - by user1780103

  I'm trying to write up a script where the user is able to purchase an amount of points for dollars. I want the transaction to be inserted into MySQL. I keep facing a: "Column count doesn't match value count at row 1" error. And I have no idea what I'm doing wrong. I have written up this: mysql_query("INSERT INTO paypal_donations VALUES (NULL, ".$account_id.", ".$char_id.", ".$price.", ".$dp.", NOW(), NOW(), 'Started', 0, 0, '', '');") or die(mysql_error()); But I don't know what to execute in MySQL, since I've never worked with it before. Could anyone write up a quick script that I can insert into MySQL for it to work.

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• "tail -f" alternate which doesn't scroll the terminal window

  - by Jagtesh Chadha

  I want to check a file at continuous intervals for contents which keep changing. "tail -f" doesn't suffice as the file doesn't grow in size. I could use a simple while loop in bash to the same effect: while [ 1 ]; do cat /proc/acpi/battery/BAT1/state ; sleep 10; done It works, although it has the unwanted effect of scrolling my terminal window. So now I'm wondering, is there a linux/shell command that would display the output of this file without scrolling the terminal?

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• Spring / Hibernate project with Tomcat and JQuery.

  - by Tiago

  Hi, I have a Dynamic Web Project that implements Spring and Hibernate using a Tomcat Server (v6). I'm lauching Tomcat with my Eclipse Galileo and I'm not getting any errors in the console but Tomcat is rendering my webpages randomly. The page just keep loading but without displaying anything, there's nothing on the console either. When I go in debug mode, it goes throught the right steps, everything seems alright. When I display the source code on the web browser (Firefox latest build) it shows me the right code that is needed to display the page I called. What am I not getting here? Plus when I stop Tomcat, it renders a part of the page. I'm wondering if JQuery could be the problem? The thing is that it's a collaborative project and that the others managed to run the web application in the most alright way. Please, share your experience with me.

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• Host unavailable when user is logged off

  - by aksamit

  I am facing a problem that I discovered while I was implementing a small client/host application. The client side runs Windows 7 64-bit and machine never turns off but user is automatically logged off after 30 minutes of inactivity. When user is automatically logged off the host becomes unreachable, first I thought the problem was isolated to my application, but after som investigation I discoverd that resources and vnc server is also unavailable. The question might be a bit off limit for this forum but I can't find any reasonable explanation somewhere else. Does anyone know how I can keep user being logged off automatically but with the host still reachable on the network?

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• Getting records from a table based on a filter field and Between but also having the OR login for mu

  - by Pentium10

  I have a this table, where I store multiple ids and an age range (def1,def2) CREATE TABLE "template_requirements" ("_id" INTEGER NOT NULL, "templateid" INTEGER, "def1" VARCHAR(255), "def2" VARCHAR(255), PRIMARY KEY("_id")) Having values such as: templateid | def1 | def2 100 | 7 | 25 200 | 40 | 90 300 | 7 | 25 300 | 40 | 60 as you see for templateid 300 we have an or logic: age between 7 and 25 or age between 40 and 60. I want to get all the template ids that are not for a certain age like 25... What's the problem? If I run a query like this one: SELECT group_concat(templateid) FROM template_requirements where and '25' not between cast(def1 as integer) and cast(def2 as integer) it returns 200, 300, which is wrong, as the 300 matched on row 40 to 60, but shouldn't be included in the result as we have a condition with same templateid 7 to 25 that fails the not beetween stuff. How would be the correct query in SQLite, I would like to keep the group_concat stuff.

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• continously add picture to video

  - by m.sr

  Every x minutes I grab an image from a network-cam. Now i want to add this picture to an existing video file - on the fly. I don't want to keep numerous image files and then encode them once in a while with e.g. mencoder mf://@${LIST} -mf type=jpg:fps=${FPS} ... The video format/codec doesn't really matter, as long as standard tools (mplayer, ffmpeg, vlc, ...) can handle it. Any ides or suggestions? Thanks in advance!

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• richtextbox font

  - by habbo95

  hi.... I want to change the font color and size for 1 line in richTextBox enter code here String [] Words = {"hi","hello","11111","he","she"}; richTextBox1.SelectionFont = new Font("Verdana", 10, FontStyle.Regular); richTextBox1.SelectionColor = Color.Blue; richTextBox1.SelectedText += Environment.NewLine + wo[0]; richTextBox1.SelectedText += Environment.NewLine + wo[1]; richTextBox1.SelectedText += Environment.NewLine + wo[2]; richTextBox1.SelectedText += Environment.NewLine + wo[3]; richTextBox1.SelectedText += Environment.NewLine + wo[4]; I want to change just the string "11111" and keep the rest lines as default any help

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• IE issues with drag/drop (script.aculo.us)

  - by deb

  I have a page with a left and a right div. Inside each of these there are several divs. I can drag&drop them inside the left/right divs or move from one to the other So the page is something like ........ ........ ........ ........ I am using scriptaculous and prototype for the drag&drop If I drag in Firefox things work fine. In IE6-IE8 however I have 2 problems: 1) When I drag from left to right or the other way around, the inner divs do not keep their relative distances: the div I moved now overlaps with the div on the opposite side (if I do a reload of the page the divs are set correctly again) 2) If I shrink the window width below a certain width the divs either on the left or the right droppable disappear. Any ideas? deb

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• What do I need to know before working on an IM application?

  - by John

  I'm looking into building an IM-type application using Java stack (for the server at least). I'd be interested to see any information/advice on how applications like Skype/AIM/MSN work, as well as know any technologies/APIs that might be relevant. Without giving away the idea itself, it's perhaps more akin to Google Wave than Skype, but information useful for either is very welcome. Specific points I have already thought of include: Server Vs P2P... for reasons of logging my system will require all communication to go through a central server. Is this how other IM tools work... especially when audio/video comes into the equation? Cross-communication with other systems. Are there APIs for this or do all IM providers work hard to keep their protocol secret? The nature of what I'm designing means integration could probably only be limited, but it definitely seems worthwhile from a business perspective

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