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"Thread-Safe Calls" with "Invoke" method to Winform control leads very heavy memory leak!!

- by konnychen

In the following link: "Make Thread-Safe Calls to Windows Forms Controls http://msdn.microsoft.com/en-us/library/ms171728.aspx" We can see an example which provide cross tread access to a winform control. But if the thread is in a while loop, it will cause the heavy memory leak. As I use taskmanage I can see the memory is increasing. Can anyone help me to solve the problem? oThread2 = new Thread(new ThreadStart(Cyclic_Call)); oThread2.Start(); delegate void SetText_lab_Statubar(string text); private void m_SetText_lab_Statubar(string text) { if (this.lab_Statubar.InvokeRequired) { SetText_lab_Statubar d = new SetText_lab_Statubar(m_SetText_lab_Statubar); this.Invoke(d, new object[] { text }); } else { this.lab_Statubar.Text = text; } } private void Cyclic_Call() { do { this.m_SetText_lab_Statubar("This string is set from thread"); Thread.Sleep(100); } while (!b_AbortThraed); }

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Need help using ThemeRoller

- by Music Magi

Hi - I'm using DataTables to dress up a table I'm using to display XML results based on an XSL transformation. I have everything working from a technical sense (paging, sorting, filtering), but I'm trying to figure out to use a ThemeRoller theme to make it look like they have on their website. So far, I have added the following file to my project with its reference: <link type="text/css" href="css/custom-theme/jquery-ui-1.8.7.custom.css" rel="stylesheet"/> and enabled ThemeRoller themes using the following as per the DataTables website: $(document).ready(function() { $('#mainTable').dataTable( { "bJQueryUI": true, "sPaginationType": "two_button" }); }); The table gets styled, but it doesn't look right with the header rows being too wide and things being on multiple lines that should be on one line. Any indication as to what I'm doing wrong? Thanks very much in advance.

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(C++) Linking with namespaces causes duplicate symbol error

- by user577072

Hello. For the past few days, I have been trying to figure out how to link the files for a CLI gaming project I have been working on. There are two halves of the project, the Client and the Server code. The client needs two libraries I've made. The first is a general purpose game board. This is split between GameEngine.h and GameEngine.cpp. The header file looks something like this namespace gfdGaming { // struct sqr_size { // Index x; // Index y; // }; typedef struct { Index x, y; } sqr_size; const sqr_size sPos = {1, 1}; sqr_size sqr(Index x, Index y); sqr_size ePos; class board { // Prototypes / declarations for the class } } And the CPP file is just giving everything content #include "GameEngine.h" type gfdGaming::board::functions The client also has game-specific code (in this case, TicTacToe) split into declarations and definitions (TTT.h, Client.cpp). TTT.h is basically #include "GameEngine.h" #define TTTtar "localhost" #define TTTport 2886 using namespace gfdGaming; void* turnHandler(void*); namespace nsTicTacToe { GFDCON gfd; const char X = 'X'; const char O = 'O'; string MPhostname, mySID; board TTTboard; bool PlayerIsX = true, isMyTurn; char Player = X, Player2 = O; int recon(string* datHolder = NULL, bool force = false); void initMP(bool create = false, string hn = TTTtar); void init(); bool isTie(); int turnPlayer(Index loc, char lSym = Player); bool checkWin(char sym = Player); int mainloop(); int mainloopMP(); }; // NS I made the decision to put this in a namespace to group it instead of a class because there are some parts that would not work well in OOP, and it's much easier to implement later on. I have had trouble linking the client in the past, but this setup seems to work. My server is also split into two files, Server.h and Server.cpp. Server.h contains exactly: #include "../TicTacToe/TTT.h" // Server needs a full copy of TicTacToe code class TTTserv; struct TTTachievement_requirement { Index id; Index loc; bool inUse; }; struct TTTachievement_t { Index id; bool achieved; bool AND, inSameGame; bool inUse; bool (*lHandler)(TTTserv*); char mustBeSym; int mustBePlayer; string name, description; TTTachievement_requirement steps[safearray(8*8)]; }; class achievement_core_t : public GfdOogleTech { public: // May be shifted to private TTTachievement_t list[safearray(8*8)]; public: achievement_core_t(); int insert(string name, string d, bool samegame, bool lAnd, int lSteps[8*8], int mbP=0, char mbS=0); }; struct TTTplayer_t { Index id; bool inUse; string ip, sessionID; char sym; int desc; TTTachievement_t Ding[8*8]; }; struct TTTgame_t { TTTplayer_t Player[safearray(2)]; TTTplayer_t Spectator; achievement_core_t achievement_core; Index cTurn, players; port_t roomLoc; bool inGame, Xused, Oused, newEvent; }; class TTTserv : public gSserver { TTTgame_t Game; TTTplayer_t *cPlayer; port_t conPort; public: achievement_core_t *achiev; thread threads[8]; int parseit(string tDat, string tsIP); Index conCount; int parseit(string tDat, int tlUser, TTTplayer_t** retval); private: int parseProto(string dat, string sIP); int parseProto(string dat, int lUser); int cycleTurn(); void setup(port_t lPort = 0, bool complete = false); public: int newEvent; TTTserv(port_t tlPort = TTTport, bool tcomplete = true); TTTplayer_t* userDC(Index id, Index force = false); int sendToPlayers(string dat, bool asMSG = false); int mainLoop(volatile bool *play); }; // Other void* userHandler(void*); void* handleUser(void*); And in the CPP file I include Server.h and provide main() and the contents of all functions previously declared. Now to the problem at hand I am having issues when linking my server. More specifically, I get a duplicate symbol error for every variable in nsTicTacToe (and possibly in gfdGaming as well). Since I need the TicTacToe functions, I link Client.cpp ( without main() ) when building the server ld: duplicate symbol nsTicTacToe::PlayerIsX in Client.o and Server.o collect2: ld returned 1 exit status Command /Developer/usr/bin/g++-4.2 failed with exit code 1 It stops once a problem is encountered, but if PlayerIsX is removed / changed temporarily than another variable causes an error Essentially, I am looking for any advice on how to better organize my code to hopefully fix these errors. Disclaimers: -I apologize in advance if I provided too much or too little information, as it is my first time posting -I have tried using static and extern to fix these problems, but apparently those are not what I need Thank you to anyone who takes the time to read all of this and respond =)

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Dang Error #1009 !

- by boz

I'm building a simple flash site for a friend who has a spa. I keep getting this error: Error #1009: Cannot access a property or method of a null object reference. at spa7_fla::MainTimeline/frame1() through the process of commenting out code, i've narrowed down to my link section: vox_link.addEventListener(MouseEvent.CLICK,gotoVox); function gotoVox(evtObj:Event):void { var voxSite:URLRequest=new URLRequest("http://www.voxmundiproject.com"); navigateToURL(voxSite, "_blank"); } With this section commented out, i don't get the 1009 error. When the code is active, I get the error. My code syntax is correct so I'm stumped. Does someone have an idea what my be wrong? Thanks!

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Prevent my program from being flagged as malware

- by user120242

I know that this kind of behavior should be avoided in a publicly deployed program, but it's necessary. I do some hooking of process creation and file/registry I/O, and unpacking. I still trip a heuristic here and there, and I'm worried about future detections. Could I just contact as many AV vendors as I can, submit my program, and provide a link to my program being served publicly? Would it be possible to convince AV vendors to "whitelist" it? Does anyone perhaps have a list of places to submit false positives? Another problem I have is with people who don't update their malware scanners. There seems to be many people who just have old malware defintions and never bother to update. Is there anything that can be done about this? Or, if not, a way to check older definitions so I can locate what is being tripped, so I can try to avoid using that code?

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How to unpack htmlAttributes in a span tag in ASP.NET MVC

- by sleepy

I have htmlAttributes generated - originally for the purpose of creating a link with the attribute using Html.ActionLink. Now, based on some condition, I would like to create a <span> tag instead and put the attributes in there. Is there anyway it can be done easily ? Eg: something like: <span <%= htmlAttributes.Unpack() %> > Some txt </span> OR <%= Html.SpanTag("Some txt", htmlAttributes) %> OR anything similar without wresling too much with the already generated htmlAttribues? Thanks

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Jquery: Extracting the hrefs from multiple links on a page.

- by Pete B

Hi, I discovered that .attr() only applies to the first matched element on the page! So, I've been trying to get the hrefs from all the matched elements on a page, but to no avail. Here's what I tentatively wrote: var thelinks = $("td a").each(function(){ $(this).attr("href"); document.write(thelinks); }); I used document.write just to see what was going on, and I got a long list of "undefinedundefinedundefined" What I'm trying to do is extract the hrefs from each td a and then use ajax to visit those pages and do other stuff. I can get it work fine when it's dealing with just one link, but this multiple elements thing I can't figure out. Any help rendered is appreciated, I'm a novice to the world of Javascript and Jquery.

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SQL Server: query database user roles for all databases in server

- by atricapilla

I would like to make a query for database user roles for all databases in my sql server instance. I modified a query from sp_helpuser: select u.name ,case when (r.principal_id is null) then 'public' else r.name end ,l.default_database_name ,u.default_schema_name ,u.principal_id from sys.database_principals u left join (sys.database_role_members m join sys.database_principals r on m.role_principal_id = r.principal_id) on m.member_principal_id = u.principal_id left join sys.server_principals l on u.sid = l.sid where u.type <> 'R' How can I modify this to query from all databases? What is the link between sys.databases and sys.database_principals?

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What are Android different screens dimensions in dp for different screens (e.g. xlarge = 960dp x 720dp)?

- by Zizo

in this link: Range of screens supported, Android team mentioned that: As you design your UI for different screen sizes, you'll discover that each design requires a minimum amount of space. So, each generalized screen size above has an associated minimum resolution that's defined by the system. These minimum sizes are in "dp" units—the same units you should use when defining your layouts—which allows the system to avoid worrying about changes in screen density. xlarge screens are at least 960dp x 720dp large screens are at least 640dp x 480dp normal screens are at least 470dp x 320dp small screens are at least 426dp x 320dp So, If I want to support all Android screens, can I create images, for full screen view, in those dimensions and that will be sufficient condition to support all available screens? or they are just the minimum sizes, and I need other dimensions? If other dimensions are needed, Please list them as in the list above. Thanks in Advance.

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nivo slider and drop down menu doesnt work in IE

- by venom

Does anyone has any idea why drop down menu in IE disappear under nivo slider? tried to play with z-index, didn't help, i also know that drop down menus dissappear under flash content, but this is not the case(wmode=transparent) as far as i know the nivo slider uses just jquery, no flash. here is the html: <table> <tr height="50"><td colspan="2" align="right" class="bottom_menu"> <ul id="nav" class="dropdown dropdown-horizontal" > <li><a href="/index.cfm?fuseaction=home.logout" class="dir" style="border:0 !important;" >Çikis</a></li> <li><a href="/index.cfm?fuseaction=objects2.list_basket" class="dir">Sepetim</a></li> <li><a href="/index.cfm?fuseaction=objects2.me" class="dir">Sirketim</a> <ul> <li><a href="/index.cfm?fuseaction=objects2.list_opportunities">Firsatlar</a></li> <li><a href="/index.cfm?fuseaction=objects2.form_add_partner">Sirkete Kullanici Ekle</a></li> <li><a href="/index.cfm?fuseaction=objects2.form_upd_my_company">Kullanici Yönetimi</a></li> <li><a href="/index.cfm?fuseaction=objects2.list_analyses">Analizler</a></li> <li><a href="/index.cfm?fuseaction=objects2.list_extre">Hesap Ekstresi</a></li> <li><a href="/index.cfm?fuseaction=objects2.popup_add_online_pos" target="_blank">Sanal Pos</a></li> </ul> </li> </ul> </td></tr> </table> <div id="banner"> <img src="/documents/templates/projedepo/l_top.gif" style="z-index:1;position:absolute; left:0; top:0;" width="24px" height="24px" border="0" /> <img src="/documents/templates/projedepo/r_top.gif" style="z-index:1;position:absolute; right:0; top:0;" width="24px" height="24px" border="0" /> <img src="/documents/templates/projedepo/l_bottom.gif" style="z-index:1;position:absolute; left:0; bottom:0;" width="24px" height="24px" border="0" /> <img src="/documents/templates/projedepo/r_bottom.gif" style="z-index:1;position:absolute; right:0; bottom:0;" width="24px" height="24px" border="0" /> <div class="banner_img"> <link rel="stylesheet" href="/documents/templates/projedepo/banner/nivo-slider.css" type="text/css" media="screen" /> <link rel="stylesheet" href="/documents/templates/projedepo/banner/style.css" type="text/css" media="screen" /> <div id="slider" class="nivoSlider"> <img title="#1" src="/documents/templates/projedepo/banner/canon.jpg" alt="" /> <img title="#2" src="/documents/templates/projedepo/banner/indigovision.jpg" alt="" /> </div> <div id="1" class="nivo-html-caption"> <a href="/index.cfm?fuseaction=objects2.detail_product&product_id=612&stock_id=612"><img src="/documents/templates/projedepo/banner/daha_fazlasi.jpg" border="0" /></a> </div> <div id="2" class="nivo-html-caption"> <a href="/index.cfm?fuseaction=objects2.detail_product&product_id=630&stock_id=630"><img src="/documents/templates/projedepo/banner/daha_fazlasi.jpg" border="0" /></a> </div> <script type="text/javascript" src="/JS/jquery.nivo.slider.pack.js"></script> <script type="text/javascript"> $(window).load(function() { $('#slider').nivoSlider({ effect:'random', //Specify sets like: 'fold,fade,sliceDown' slices:15, animSpeed:1000, //Slide transition speed pauseTime:10000, startSlide:0, //Set starting Slide (0 index) directionNav:true, //Next & Prev directionNavHide:true, //Only show on hover controlNav:true, //1,2,3... controlNavThumbs:false, //Use thumbnails for Control Nav controlNavThumbsFromRel:false, //Use image rel for thumbs controlNavThumbsSearch: '.jpg', //Replace this with... controlNavThumbsReplace: '_thumb.jpg', //...this in thumb Image src keyboardNav:true, //Use left & right arrows pauseOnHover:true, //Stop animation while hovering manualAdvance:false, //Force manual transitions captionOpacity:1.0, //Universal caption opacity beforeChange: function(){}, afterChange: function(){}, slideshowEnd: function(){}, //Triggers after all slides have been shown lastSlide: function(){}, //Triggers when last slide is shown afterLoad: function(){} //Triggers when slider has loaded }); }); </script> </div> </div> Here is css for dropdown menu: http://www.micae.com/documents/templates/projedepo/default.css http://www.micae.com/documents/templates/projedepo/default.advanced.css http://www.micae.com/documents/templates/projedepo/dropdown.css and for nivo slider: http://www.micae.com/documents/templates/projedepo/banner/style.css http://www.micae.com/documents/templates/projedepo/banner/nivo-slider.css and for banner divs: #banner { position:relative; width:980px; height:435px; background:#fff; margin-bottom:20px; margin-top:-1px; color:#000; z-index:60; } .banner_img { padding:8px;position:absolute;z-index:2; } and the javascript by default, jquery and nivo slider http://www.micae.com/JS/jquery.nivo.slider.pack.js

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Non-Git Github?

- by Mihir Singh

This is probably a really weird question... but is there a non-git Github? I want a place to post my projects and share my code (like Github) but I don't want to have to works with versions, commits, etc. I don't like having to create a link between my folder and my git repo and then push the changes etc. In addition, I don't want to have to have a local copy to create or add files; I can edit existing files in Github, but to create or add files, I have to do it locally and then commit and push. I'm not sure if this is the best site to ask on, but I figured someone might have the answer. Thanks in advance.

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ASP.NET Session and target blank

- by Lennart

Hi I have seen a few posts regarding Session and using target blank to open a new page. But I still don´t get it. Im working with an application which opens from a link on an Intranet site. I guess it uses target blank to get it in a new window. (I don´t have the source). If both windows are closed (My application and the Intranet site) it seems like the Session is destroyed. I need that to happen when my application is closed. (ie, still leaving the Intranet site open). If I use the site in my testenvironment without opening it from a page with target blank, it seems like I get the expected behaviour. Web.config has: pages enableSessionState="true" Thanks

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Using twitter gem to signup and authenticate users

- by Jim Jones

Hi, I'd like to allow users the option to register using their Twitter account. Basically, I'll present them with a standard signup form (name, login, email, pwd, pwd_confirm) as well as a "Signup with Twitter" link. If a user chooses to signup with Twitter creds, then I'll create a user record in db. Then I'd like to be able to allow a user to authenticate using their Twitter creds on returning visits. Also, I'm using restful_authentication, so I need to have this work within that context. What is the best way to do this? I haven't been to find any tutorials on allowing the signup and authentication pieces. Most examples just show how to authenticate a Twitter user into your app. Thanks.

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Impact of Changing IP Address of Outgoing IP Packets From My Network

- by iamrohitbanga

If I modify the source ip address of all outgoing ip packets from my network to an ip address belonging to someone else (while ensuring that the checksum is correct) then what will happen. Assume that I have a public IP address connected by a point-to-point link to an ISP. Will the ISP check that the IP address in my IP packets is correct or will it just forward the packets. I believe that ISP should just forward the packets. what mechanisms are present in the Internet that prevent this from happening?

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Project organization in perforce

- by Chupa

Hello. I created several web applications that use the same static files (css, js, images). When I use svn for version control, I use an external repository (svn: externals) to add files to the current project. For example: - Project_1 ---- Webapp -------- Static (external to static's repo) - Project_2 ---- Webapp -------- Static (external to static's repo) I could easily use it in their web pages by adding a link like /static/ ... But now our company has moved to perforce. How can I support the current structure? We also use maven, I think to pack these files as a jar and use as a dependency, but then my editor (idea) does not see that this dependence are js-scripts and styles. And i need to repackage and deploy jar file when create minor changes. How to use maven correctly?

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iPhone Full and Lite version without StoreKit

- by beryllium

Hi there! I have a Full and Lite applications that were built from the same code. Lite version has a button Upgrade. What code I should place in button's handler for checking users payment and update application to Full version?? I know StoreKit framework that allow to unblock some features, but I need just 2 different applications. Maybe there is tutorial on this topic, but I found nothing. If anyone has reference link pls provide None of those applications has not yet uploaded to Appstore. Thanks.

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Yet another Rails routing question

- by danhere

I can't seem to grasp the Rails routing just yet. I want to be able to link the site to, for example, ...com/store/xbox360/Mass Effect 2 (which is /store(my controller)/:system/:title). I have the database entries that include the :system and :title variables (?). How would I route these to show up and filter these entries? Or is this something I need to set up in the controller? I'm lost. Thanks so much for your help.

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CSS gurus, can I make my absolutely positioned child element force the main parent's height?

- by alex

This is kind of hard to explain. I have an absolutely positioned floating secondary content box. It works great in all occurrences. Except, when you submit a form and don't fill out the fields (see here, and push send). The box expands to show the errors, and underneath the footer there is a blank space. The best example I can give is to see it in action (link above). I've played with min-height and it didn't work too good. I'd also like to avoid expanding the footer with code in the event of form errors if I can help it. Should I ditch the absolute positioning? And try with margins? Is there any other way to get it to work?

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Code First / Database First / Model First : are they just personnal preferences?

- by Antoine M

Merely knowing the internal functionality of each approaches, and after reading a lot of posts, I still can't figure out if each one of them is just a matter of personnal preference for the developper or if they deserve different axes of productivity ? Does one of them should be applyed for some specific productivity needs or MS is just beeing kind offering three different flavours ? Should we consider CF as a sort of improvement over DBF or MF and thinking of it as a futur standard on wich spending a peculiar intelectual investment ... ? Is there a link showing a sort of synthetic table with un-passionate pros and cons for each approach, a little bit like for web-forms and MVC. Sorry for those who will find this question redondant. I know it is.

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make javascript repeat for each row in a view

- by Kathy Chavez

I have created a view in Drupal. I"m using javascript to modify css in each row. The script runs on the first row, but does not make the changes on the rest of rows from the view. This is the script: <script language="javascript" type="text/javascript"> window.onload = floatbr; function floatbr() { var f = document.getElementById('firstright') // Get div element var s = document.getElementById('secondright') // Get div element var w = document.getElementById('catwrapper') // Get div element var sh = s.offsetHeight // secondright div height var wh = w.offsetHeight // catwrapper div height f.style.height = wh - sh + 'px'; } </script> I'm using it from this page: http://agsone.100webcustomers.com/floatbottom.php having the script in the page once does not do the trick. having the script in the view footer and repeating the script does not work. THanks! link to fiddle with html, css & js: http://jsfiddle.net/Vvjku/

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JQuery Tooltip and Scrollable Fix

- by KrippledShark

I have set up the navigation on my site using a scrollable div created with Flowplayer's JQuery tools. I also want to add a tooltip to the individual images within the scrollable div. The problem is the tooltip needs to appear outside of the div. I can adjust the height of the div so you can see the tooltip, but the tooltip is still constrained inside another div. Here is the link to my code. http://staging.asla.org/sustainablesites/TestAGAIN.html Is there a way to make this tooltip (div) appear out of it's containing divs?

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session is lost after successful login?

- by sword101

greetings all um using spring security 3.0.2,all the application pages are secured to see them you must be authenticated um using https protocol i have a strange problem that after successful login and got to the requested page when try to open any link to other pages in the application the session is invalidated or lost or what happened i don't know and the user become anonymous,and redirected to the login page and i got this from debugging: No HttpSession currently exists No SecurityContext was available from the HttpSession: null. A new one will be created. after reviewing the coe many times,nothing in the code is invalidating the session,any ideas why something like this might happen?

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Jquery show() not working in FF

- by Andrea Zironda

I have issues with FF & Jquery .show(). my website shows an embedded map from google in clicking a link.i have got a javascript function that handle this, in safari it works great.FF won't show the map. this is the js. function: function mostraPagina(nome){ if (nome='mappa'){ $('#mappa').load('contenuti/mappe/mappa_thiene.html'); $('#dark_background').show(600); $('#mappa').show(600); } } the embedded code from google maps is: <iframe width="425" height="350" frameborder="0" scrolling="no" marginheight="0" marginwidth="0" src="http://maps.google.com/maps?f=q&source=s_q&hl=en&geocode=&q=Via+Murialdo,+4,+Thiene+italy&sll=45.710686,11.475665&sspn=0.002439,0.005676&ie=UTF8&hq=&hnear=Via+Murialdo,+4,+36016+Thiene+Vicenza,+Veneto,+Italy&ll=45.710222,11.475618&spn=0.001219,0.002838&t=h&z=14&output=embed"></iframe> thank you very much.

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Slider with keypress control bugs when keys pressed to quickly.

- by Jaybuz

Hello, I've made a slider that uses the left and right arrow keys to move the slide but when pressed to quickly it will bug a little and I was wondering if it's possible to limit the amount of presses in say a second. You can see it here: {link} $('#slider-nav div').click(function() { $('#slider-nav div').removeClass('selected').addClass(''); $('#slider-nav div:eq('+($.jcarousel.intval($(this).text())-1)+')').addClass('selected'); }) // Allow left and right keys to control slider $(document.documentElement).keypress(function(e) { var code = (e.keyCode ? e.keyCode : e.which); var direction = null; // handle cursor keys if (code == 37) { // left key direction = 'prev'; } else if (code == 39) { // right key direction = 'next'; } if (direction != null) { $('#slider-nav div.selected')[direction]().click(); } });

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Trying to get simple jquery animations on a site I created in Dreamweaver

- by JoeOzz

Hey guys, another question. I'm trying to do some basic jQuery stuff for my final project. I'll be using it to modify my already existing site created in Dreamweaver a few months ago. However, no matter how I source the framework, it just won't take regardless of whether I host my own copy or link to someone else's like Google's. I'm including my jQuery function calls within my already existing .js file that includes some auto generated functions. I also tried creating a new .js specifically for my jQuery functions and still nothing. I realize this is vague, but any tips? Do I need another framework for jQuery to work off of to make animations like .fadeIn() or .slideDown()? Thanks guys and gals!

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