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  • A dynamic array of a class, inside another separate class?

    - by pinnacler
    I'm working on a robot localization simulator and I created a class called "landmark". The end result is going to be a robot that is always centered and always faces the top of the screen. As it turns, the birds eye view map will rotate around the robot. To accomplish this, I'm assuming I can rotate one class and have all elements inside rotate as well. So, the landmark class has properties x,y, label, and radius. This is suppose to simulate a tree location in a forest. To test everything, I need "forest data," and I wrote a script to generate 100 trees in a 100m x 100m area. The script automatically generates values within an acceptable range for x,y, radius. The generated data is stored in an object called tempForest and is 100x3. Ideally, I want to create a class called "landmarks" (plural) that has 100 landmark instances inside. How would I instantiate 100 instances of landmark in one instance of landmarks using that randomly generated data? Ideally, I'd just type treeBeacons = landmarks(); and it would randomly populate 100 (user definable, set in config file) instances with x, y, radius data. I'm not sure how to deal with a dynamic array of class "Landmark", inside another single class "landmarks." Any ideas?

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  • jQuery image fader slow in IE6 & 7

    - by Jamie
    Hi guys, I'm using the following jQuery script to rotate through a series of images pulled into an unordered list using PHP: function theRotator() { $('#rotator li').css({opacity: 0.0}); $('#rotator li:first').css({opacity: 1.0}); setInterval('rotate()',5000); }; function rotate() { var current = ($('#rotator li.show') ? $('#rotator li.show') : $('#rotator li:first')); var next = ((current.next().length) ? ((current.next().hasClass('show')) ? $('#rotator li:first') :current.next()) : $('#rotator li:first')); next.css({opacity: 0.0}).addClass('show').animate({opacity: 1.0}, 2000); current.animate({opacity: 0.0}, 2000).removeClass('show'); }; $(document).ready(function() { theRotator(); }); It works brilliantly in FF, Safari, Chrome and even IE8 but IE6 & 7 are really slow. Can anyone make any suggestions on making it more efficient or just work better in IE6 & 7? The script is from here btw. Thanks.

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  • JBoss https on port other than 8080 not working

    - by MilindaD
    We have a server with two JBoss instances where one runs on 8080, the other on 8081. We need to have HTTPS enabled for the 8081 server, firstly we tried enabling https on the 8080 port instance by generating the keystore and editing the server.xml and it successfully worked. However when we tried the same thing for 8081 it did not, note that we removed https for the 8080 server first before enabling it for 8081. This is what was used for both server.xml for 8080 and 8081. The only difference was that the port was changed from 8080 to 8081 when trying to enable https for 8081 port instance. What am I doing wrong and what needs to be changed? NOTE : When I meant enabled for 8080 I meant when you visit https:// URL:8484 you will actually be visiting the 8080 port instance. However when ssl is enabled for 8081 and I visit https:// URL:8484 I get that the web page is unavailable. COMMENTLESS VERSION <Server> <Listener className="org.apache.catalina.core.AprLifecycleListener" SSLEngine="on" /> <Listener className="org.apache.catalina.core.JasperListener" /> <Service name="jboss.web"> <!-- https --> <Connector port="8080" address="${jboss.bind.address}" maxThreads="350" maxHttpHeaderSize="8192" emptySessionPath="true" protocol="HTTP/1.1" enableLookups="false" redirectPort="8443" acceptCount="100" connectionTimeout="20000" disableUploadTimeout="true" compression="on" ompressableMimeType="text/html,text/css,text/javascript,application/json,text/xml,text/plain,application/x-javascript,application/javascript"/> <Connector port="8443" protocol="HTTP/1.1" SSLEnabled="true" maxThreads="150" scheme="https" secure="true" clientAuth="false" sslProtocol="TLS" address="${jboss.bind.address}" keystoreFile="${jboss.server.home.dir}/conf/supun1.keystore" keystorePass="aaaaaa" truststoreFile="${jboss.server.home.dir}/conf/supun1.keystore" truststorePass="aaaaaa" /> <!-- https1 --> <Connector port="8009" address="${jboss.bind.address}" protocol="AJP/1.3" emptySessionPath="true" enableLookups="false" redirectPort="8443" /> <Engine name="jboss.web" defaultHost="localhost" jvmRoute="khms1"> <Realm className="org.jboss.web.tomcat.security.JBossSecurityMgrRealm" certificatePrincipal="org.jboss.security.auth.certs.SubjectDNMapping" allRolesMode="authOnly" /> <Host name="localhost" autoDeploy="false" deployOnStartup="false" deployXML="false" configClass="org.jboss.web.tomcat.security.config.JBossContextConfig" > <Valve className="org.jboss.web.tomcat.service.sso.ClusteredSingleSignOn" /> <Valve className="org.jboss.web.tomcat.service.jca.CachedConnectionValve" cachedConnectionManagerObjectName="jboss.jca:service=CachedConnectionManager" transactionManagerObjectName="jboss:service=TransactionManager" /> </Host> </Engine> </Service> </Server> WITH COMMENTS VERSION <Server> <!--APR library loader. Documentation at /docs/apr.html --> <Listener className="org.apache.catalina.core.AprLifecycleListener" SSLEngine="on" /> <!--Initialize Jasper prior to webapps are loaded. Documentation at /docs/jasper-howto.html --> <Listener className="org.apache.catalina.core.JasperListener" /> <!-- Use a custom version of StandardService that allows the connectors to be started independent of the normal lifecycle start to allow web apps to be deployed before starting the connectors. --> <Service name="jboss.web"> <!-- A "Connector" represents an endpoint by which requests are received and responses are returned. Documentation at : Java HTTP Connector: /docs/config/http.html (blocking & non-blocking) Java AJP Connector: /docs/config/ajp.html APR (HTTP/AJP) Connector: /docs/apr.html Define a non-SSL HTTP/1.1 Connector on port 8080 --> <Connector port="8080" address="${jboss.bind.address}" maxThreads="350" maxHttpHeaderSize="8192" emptySessionPath="true" protocol="HTTP/1.1" enableLookups="false" redirectPort="8443" acceptCount="100" connectionTimeout="20000" disableUploadTimeout="true" compression="on" ompressableMimeType="text/html,text/css,text/javascript,application/json,text/xml,text/plain,application/x-javascript,application/javascript"/> <!-- Define a SSL HTTP/1.1 Connector on port 8443 This connector uses the JSSE configuration, when using APR, the connector should be using the OpenSSL style configuration described in the APR documentation --> <!-- <Connector port="8443" protocol="HTTP/1.1" SSLEnabled="true" maxThreads="150" scheme="https" secure="true" keystoreFile="${jboss.server.home.dir}/conf/zara.keystore" keystorePass="zara2010" clientAuth="false" sslProtocol="TLS" compression="on" /> --> <Connector port="8443" protocol="HTTP/1.1" SSLEnabled="true" maxThreads="150" scheme="https" secure="true" clientAuth="false" sslProtocol="TLS" address="${jboss.bind.address}" keystoreFile="${jboss.server.home.dir}/conf/supun1.keystore" keystorePass="aaaaaa" truststoreFile="${jboss.server.home.dir}/conf/supun1.keystore" truststorePass="aaaaaa" /> <!-- Define an AJP 1.3 Connector on port 8009 --> <Connector port="8009" address="${jboss.bind.address}" protocol="AJP/1.3" emptySessionPath="true" enableLookups="false" redirectPort="8443" /> <Engine name="jboss.web" defaultHost="localhost" jvmRoute="khms1"> <!-- The JAAS based authentication and authorization realm implementation that is compatible with the jboss 3.2.x realm implementation. - certificatePrincipal : the class name of the org.jboss.security.auth.certs.CertificatePrincipal impl used for mapping X509[] cert chains to a Princpal. - allRolesMode : how to handle an auth-constraint with a role-name=*, one of strict, authOnly, strictAuthOnly + strict = Use the strict servlet spec interpretation which requires that the user have one of the web-app/security-role/role-name + authOnly = Allow any authenticated user + strictAuthOnly = Allow any authenticated user only if there are no web-app/security-roles --> <Realm className="org.jboss.web.tomcat.security.JBossSecurityMgrRealm" certificatePrincipal="org.jboss.security.auth.certs.SubjectDNMapping" allRolesMode="authOnly" /> <!-- A subclass of JBossSecurityMgrRealm that uses the authentication behavior of JBossSecurityMgrRealm, but overrides the authorization checks to use JACC permissions with the current java.security.Policy to determine authorized access. - allRolesMode : how to handle an auth-constraint with a role-name=*, one of strict, authOnly, strictAuthOnly + strict = Use the strict servlet spec interpretation which requires that the user have one of the web-app/security-role/role-name + authOnly = Allow any authenticated user + strictAuthOnly = Allow any authenticated user only if there are no web-app/security-roles <Realm className="org.jboss.web.tomcat.security.JaccAuthorizationRealm" certificatePrincipal="org.jboss.security.auth.certs.SubjectDNMapping" allRolesMode="authOnly" /> --> <Host name="localhost" autoDeploy="false" deployOnStartup="false" deployXML="false" configClass="org.jboss.web.tomcat.security.config.JBossContextConfig" > <!-- Uncomment to enable request dumper. This Valve "logs interesting contents from the specified Request (before processing) and the corresponding Response (after processing). It is especially useful in debugging problems related to headers and cookies." --> <!-- <Valve className="org.apache.catalina.valves.RequestDumperValve" /> --> <!-- Access logger --> <!-- <Valve className="org.apache.catalina.valves.AccessLogValve" prefix="localhost_access_log." suffix=".log" pattern="common" directory="${jboss.server.log.dir}" resolveHosts="false" /> --> <!-- Uncomment to enable single sign-on across web apps deployed to this host. Does not provide SSO across a cluster. If this valve is used, do not use the JBoss ClusteredSingleSignOn valve shown below. A new configuration attribute is available beginning with release 4.0.4: cookieDomain configures the domain to which the SSO cookie will be scoped (i.e. the set of hosts to which the cookie will be presented). By default the cookie is scoped to "/", meaning the host that presented it. Set cookieDomain to a wider domain (e.g. "xyz.com") to allow an SSO to span more than one hostname. --> <!-- <Valve className="org.apache.catalina.authenticator.SingleSignOn" /> --> <!-- Uncomment to enable single sign-on across web apps deployed to this host AND to all other hosts in the cluster. If this valve is used, do not use the standard Tomcat SingleSignOn valve shown above. Valve uses a JBossCache instance to support SSO credential caching and replication across the cluster. The JBossCache instance must be configured separately. By default, the valve shares a JBossCache with the service that supports HttpSession replication. See the "jboss-web-cluster-service.xml" file in the server/all/deploy directory for cache configuration details. Besides the attributes supported by the standard Tomcat SingleSignOn valve (see the Tomcat docs), this version also supports the following attributes: cookieDomain see above treeCacheName JMX ObjectName of the JBossCache MBean used to support credential caching and replication across the cluster. If not set, the default value is "jboss.cache:service=TomcatClusteringCache", the standard ObjectName of the JBossCache MBean used to support session replication. --> <Valve className="org.jboss.web.tomcat.service.sso.ClusteredSingleSignOn" /> <!-- Check for unclosed connections and transaction terminated checks in servlets/jsps. Important: The dependency on the CachedConnectionManager in META-INF/jboss-service.xml must be uncommented, too --> <Valve className="org.jboss.web.tomcat.service.jca.CachedConnectionValve" cachedConnectionManagerObjectName="jboss.jca:service=CachedConnectionManager" transactionManagerObjectName="jboss:service=TransactionManager" /> </Host> </Engine> </Service> </Server>

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  • How can I read the value of a radio button in JavaScript?

    - by Corey
    <html> <head> <title>Tip Calculator</title> <script type="text/javascript"><!-- function calculateBill(){ var check = document.getElementById("check").value; /* I try to get the value selected */ var tipPercent = document.getElementById("tipPercent").value; /* But it always returns the value 15 */ var tip = check * (tipPercent / 100) var bill = 1 * check + tip; document.getElementById('bill').innerHTML = bill; } --></script> </head> <body> <h1 style="text-align:center">Tip Calculator</h1> <form id="f1" name="f1"> Average Service: 15% <input type="radio" id="tipPercent" name="tipPercent" value="15" /> <br /> Excellent Service: 20% <input type="radio" id="tipPercent" name="tipPercent" value="20" /> <br /><br /> <label>Check Amount</label> <input type="text" id="check" size="10" /> <input type="button" onclick="calculateBill()" value="Calculate" /> </form> <br /> Total Bill: <p id="bill"></p> </body> </html> I try to get the value selected with document.getElementById("tipPercent").value, but it always returns the value 15.

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  • Inserting javascript with jQuery .html

    - by Andrew Appleby
    I'm experiencing an issue with a website I'm working on, where I originally believed I could simply replace $("main").html('THIS') which was originally code for a flash object, with a new and improved HTML5/Javascript version. The original code: $("#main").html('<div style="height: 100%; width: 100%; overflow: hidden;"><object width="100%" height="100%" codebase="http://fpdownload.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=8,0,0,0" classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000">\ <param value="images/uploads/'+image_id+'.swf" name="movie">\ <param value="true" name="allowFullScreen">\ <param value="#737373" name="bgcolor">\ <param value="" name="FlashVars">\ <embed width="100%" height="100%" flashvars="" bgcolor="#737373" allowfullscreen="true" src="images/uploads/'+image_id+'.swf" type="application/x-shockwave-flash" pluginspage="http://www.macromedia.com/go/getflashplayer">\ </object></div>\ '); }); And my (failed) attempt at inserting my new code: $("#main").html('<script type="text/javascript">pano=new pano2vrPlayer("container");skin=new pano2vrSkin(pano);pano.readConfigUrl("xml/tablet_'+image_id+'.xml");hideUrlBar();</script>'); It doesn't even work when I just put , so I know it's gotta be the javascript itself. I've looked at the solutions out there, but I can't make sense in how to properly implement them here in the most efficient way. Your help is much appreciated, thanks!

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  • Javascript AJAX function not working properly

    - by Or W
    I have a function that sends a GET request to a php script and checks if the script returned any output. It works great, but when I try to add another function that checks for something similar, both of them fail. What am I missing? function checkUsername(usr,n) { var user = usr.val(), xmlhttp; //var str = document.getElementById('email').value; if (window.XMLHttpRequest) {// code for IE7+, Firefox, Chrome, Opera, Safari xmlhttp=new XMLHttpRequest(); } else {// code for IE6, IE5 xmlhttp=new ActiveXObject("Microsoft.XMLHTTP"); } xmlhttp.onreadystatechange=function() { if (xmlhttp.readyState==4 && xmlhttp.status==200) { //document.getElementById("txtHint").innerHTML=xmlhttp.responseText; if (xmlhttp.responseText != "") { usr.addClass( "ui-state-error" ); updateTips( n ); return false; } else { return true; } } } xmlhttp.open("GET","ajaxValidate.php?type=user&q="+user,true); xmlhttp.send(); } The above works perfectly, when adding this function, none of them work: function checkEmail(em,n) { var email = em.val(), xmlhttp; //var str = document.getElementById('email').value; if (window.XMLHttpRequest) {// code for IE7+, Firefox, Chrome, Opera, Safari xmlhttp=new XMLHttpRequest(); } else {// code for IE6, IE5 xmlhttp=new ActiveXObject("Microsoft.XMLHTTP"); } xmlhttp.onreadystatechange=function() { if (xmlhttp.readyState==4 && xmlhttp.status==200) { //document.getElementById("txtHint").innerHTML=xmlhttp.responseText; if (xmlhttp.responseText != "") { em.addClass( "ui-state-error" ); updateTips( n ); return false; } else { return true; } } } xmlhttp.open("GET","ajaxValidate.php?type=email&q="+email,true); xmlhttp.send(); }

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  • doubt in javascript name validation

    - by raja
    Hi: I am using the below validation for textbox which accepts only alphabets and maximum of 50 characters. I am passing the object directly in the parameter. The below case by giving the field name i.e "my_text" directly is working is working fine. But if i pass it in variable, that time it is not working(commented the if statement). Please help me. My requirement is each time when we enter the charater, the hardcode field name should not be used in the validation. <html><head> <script language=JavaScript> function check_length(my_form,fieldName) { alert(fieldName); // if (my_form.fieldName.value.length >= maxLen) { if (my_form.my_text.value.length >= maxLen) { var msg = "You have reached your maximum limit of characters allowed"; alert(msg); my_form.my_text.value = my_form.my_text.value.substring(0, maxLen); } else{ var keyCode = window.event.keyCode; if ((keyCode < 65 || keyCode > 90) && (keyCode < 97 || keyCode > 123) && keyCode != 32) { window.event.returnValue = false; alert("Enter only Alphabets"); } my_form.text_num.value = maxLen - my_form.my_text.value.length;} } </script> </head> <body> <form name=my_form method=post> <input type="text" onKeyPress=check_length(this.form,this.name); name=my_text rows=4 cols=30> <br> <input size=1 value=50 name=text_num> Characters Left </form> </body> </html>

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  • Memeory Leak in Windows Page file when calling a shell command

    - by Arno
    I have an issue on our Windows 2003 x64 Build Server when invoking shell commands from a script. Each call causes a "memory leak" in the page file so it grows quite rapidly until it reaches the maximum and the machine stops working. I can reproduce the problem very nicely by running a perl script like for ($count=1; $count<5000; $count++) { system "echo huhu"; } It is independent of he scripting language as the same happens with lua: for i=1,5000 do os.execute("echo huhu") end I found somebody describing the same issue with php at http://www.issociate.de/board/post/454835/Memory_leak_occurs_when_exec%28%29_function_is_used_on_Windows_platform.html His solution: Firewall/Virus Scanner does not apply, neither are running on the machine. We can also reproduce the issue on other Developer Machines running XP 64, but not on XP 32 Bit. I also found an article describing a leak situation in page file at http://www.programfragment.com/ The guilty guy for the allocation is C:\WINDOWS\System32\svchost.exe -k netsvcs which runs all the basic Windows services. Does anybody know the issue and how to resolve it ?

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  • XMLHttpRequst return null on Chrome

    - by BoltBait
    I have the following code that works fine in IE: <HTML> <BODY> <script language="JavaScript"> text=""; req = new XMLHttpRequest(); if (req) { req.onreadystatechange = processStateChange; req.open("GET", "http://www.boltbait.com", true); req.send(); } function processStateChange() { // is the data ready for use? if (req.readyState == 4) { // process my data alert(req.status); alert(req.responseText); } } </script> </BODY> </HTML> In IE, the first alert returns 200, the second returns the web page. However, in Chrome the first alert returns 0 and the second returns the empty string. My intent is to grab a web page into a string for processing. If I'm not doing this right, how should I be doing this? Thanks.

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  • How can i change a jquery plugin's option value with my value?

    - by Pandiya Chendur
    I have just jquery pagination plugin to work... But what happens is when i click page number 2 i get the first page and when i click 3 i get second page and so on.... My initial page my current page value changes to 0 instead 1 this causes the problem... My plugin has this, jQuery.fn.pagination = function(maxentries, opts){ opts = jQuery.extend({ items_per_page:10, num_display_entries:10, current_page:0, num_edge_entries:0, link_to:"#", prev_text:"Prev", next_text:"Next", ellipse_text:"...", prev_show_always:true, next_show_always:true, callback:function(){return false;} },opts||{}); current_page is set to 0 ... I have modified the current page value in my jquery function but it doesn't seem to work.... <script type="text/javascript"> var itemsPerPage = 5; var maxNumberOfElementsHere = 17; $(document).ready(function() { getRecordspage(1, itemsPerPage); $(".pager").pagination(maxNumberOfElementsHere, { callback: getRecordspage, current_page: 1, // Look here i have changed this but it doesn't work... items_per_page: itemsPerPage, num_display_entries: 5, next_text: 'Next', prev_text: 'Prev', num_edge_entries: 1 }); }); </script>

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  • How to Return Variable for all tests to use Unittest

    - by chrissygormley
    Hello, I have a Python script and I am trying to set a variable so that if the first test fail's the rest of then will be set to fail. The script I have so far is: class Tests(): def function: result function.......... def errorHandle(self): return self.error def sudsPass(self): try: result = self.client.service.GetStreamUri(self.stream, self.token) except suds.WebFault, e: assert False except Exception, e: pass finally: if 'result' in locals(): self.error = True self.errorHandle() assert True else: self.error = False self.errorHandle() assert False def sudsFail(self): try: result = self.client.service.GetStreamUri(self.stream, self.token) except suds.WebFault, e: assert False except Exception, e: pass finally: if 'result' in locals() or self.error == False: assert False else: assert True class GetStreamUri(TestGetStreamUri): def runTest(self): self.sudsPass() class GetStreamUriProtocolFail(TestGetStreamUri): def runTest(self): self.stream.Transport.Protocol = "NoValue" self.errorHandle() self.sudsFail() if __name__ == '__main__': unittest.main() I am trying to get self.error to be set to False if the first test fail. I understand that it is being set in another test but I was hoping someone could help me find a solution to this problem using some other means. Thanks PS. Please ignore the strange tests. There is a problem with the error handling at the moment.

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  • Resizing a container when child's visibility is changed?

    - by deux11
    When I set the visible property to false for a child in a container, how can I get the container to resize? In the example bellow, when clicking on "Toggle", "containerB" is hidden, but the main container's scrollable area is not resized. (I do not want to scroll through a lot of empty space.) <mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"> <mx:Script> <![CDATA[ public function toggle():void { containerB.visible = !containerB.visible; } ]]> </mx:Script> <mx:VBox height="300" width="200" horizontalAlign="center"> <mx:Button label="Toggle" click="toggle()" width="200"/> <mx:VBox id="containerA" height="400" width="150" horizontalAlign="center"> <mx:Button label="A" height="400" width="100"/> </mx:VBox> <mx:VBox id="containerB" height="400" width="150" horizontalAlign="center"> <mx:Button label="B" height="400" width="100"/> </mx:VBox> </mx:VBox>

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  • How to install/configure ffmpeg to compress mp4 videos for flash player delivery?

    - by Andrew Fulton
    We have a flash web-app that created interactive video, and are using ffmpeg to do some compression/resizing when a user "publishes" their project. The user can upload flv files and mp4 files, both of which play fine in the Flash UI before publishing. After publishing the flv files work fine, but the mp4 files will not play in the flash player: Audio will play but video won't. The mp4 files will play fine if I download them and play them in the Quicktime player but if I attempt to open them in the Adobe Media Player it reports "The media file does not contain a supported video track". If I open the Movie inspector in quicktime it tells me that the original file is an "h264" video and the ffmpeg-processed ones are "mpeg-4". I have tried forcing it to h264 by adding flags like -f h264 and -vcodec h264 but I get a screenfull of errors (no frame, illegal POC type, sps_id out of range) ending with Could not find codec parameters (Video: h264) h264 will show up if I run ffmpeg -formats and ffmpeg -codecs, and as I said it will play fine in Quicktime. Is there anything else I need to do to convince the flash player to play them? Is there anything else I need to tell you about the server that will help?

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  • Apache ReWriteEngine throwing 500 Internal Server Error for too many internal redirects... why?!?!?!

    - by Stephen G
    I'm trying to implement a new ReWrite rule on my local dev machine. I have 13 rules set up already, and all work fine (even as of this writing). However, for some reason the newest one is throwing me 500 Internal Server Errors. The ReWrite rule is: RewriteRule stuff/public_html/vault/mystuff/view/(.*) /stuff/public_html/vault/mystuff/view/index.php?stuff=$1 RewriteRule stuff/public_html/vault/mystuff/view/(.*)/ /stuff/public_html/vault/mystuff/view/index.php?stuff=$1 Checked my apache logs and got this: [Thu Jan 13 22:07:43 2011] [error] [client ::1] mod_rewrite: maximum number of internal redirects reached. Assuming configuration error. Use 'RewriteOptions MaxRedirects' to increase the limit if neccessary., referer: http://localhost:8888/stuff/public_html/vault/mystuff/all/index.php?curr=7 On the script I am trying to redirect to view/index.php?stuff=$1, there is nothing that even remotely resembles a redirect of any kind. I do have a very, very basic session verifier being called at the top of the landing script, which is as follows: //Start session session_start(); //Check whether the session variable SESS_MEMBER_ID is present or not if(!isset($_SESSION['SESS_MEMBER_ID']) || (trim($_SESSION['SESS_MEMBER_ID']) == '')) { header("location: ".$root_http.""); exit(); } However, when I access the page directly, it acts as it should, and there is no redirect. All of my other ReWrite rules and their corresponding landing pages are set up the exact same way. This is blowing my mind. Any help, PLEASE!?

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  • VirtualBox limits size of .js file, that can be included from guest additions folder?

    - by c69
    This question might belong to SuperUser, but i'll try to ask it here anyway, because i believe, some web developers might encountered this weird behavior. When testing a site for IE8/winXP compatibility on VirtualBox i run into weird issue of $ is undefined, which is caused by jQuery (and jQuery UI) being not included, when referenced by relative path, which resolves to file:/// url. Seemingly because their size was too big (above 200KB). Simply replacing links to those 2 big files to http:// ones solved the issue for me. But here is the question: why did this happen ? is it a misconfiguration ? a bug ? a known design decision ? Details: VirtualBox 4.1.8 host os: win7 64bit, guest os: xp sp3 32 bit guest additions installed, page was launched from VB shared folder the bug was manifesting itself in all browsers (even in opera, which ignores ie security settings, afaik) ie configuration is default script was included like this: <script type="text/javascript" src="js/libs/jquery/jquery-1.7.2.js"> exact size limit was not deducted.

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  • Cryptic Erlang Errors

    - by Jim
    Okay so I started learning erlang recently but am baffled by the errors it keeps returning. I made a bunch of changes but I keep getting errors. The syntax is correct as far as I can tell but clearly I'm doing something wrong. Have a look... -module(pidprint). -export([start/0]). dostuff([]) - receive begin - io:format("~p~n", [This is a Success]) end. sender([N]) - N ! begin, io:format("~p~n", [N]). start() - StuffPid = spawn(pidprint, dostuff, []), spawn(pidprint, sender, [StuffPid]). Basically I want to compile the script, call start, spawn the "dostuff" process, pass its process identifier to the "sender" process, which then prints it out. Finally I want to send a the atom "begin" to the "dostuff" process using the process identifier initially passed into sender when I spawned it. The errors I keep getting occur when I try to use c() to compile the script. Here they are.. ./pidprint.erl:6: syntax error before: '-' ./pidprint.erl:11: syntax error before: ',' What am I doing wrong?

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  • Gdata JavaScript Authsub continues redirect

    - by Krustal
    I am using the JavaScript Google Data API and having issues getting the AuthSub script to work correctly. This is my script currently: google.load('gdata', '1'); function getCookie(c_name){ if(document.cookie.length>0){ c_start=document.cookie.indexOf(c_name + "="); if(c_start!=-1){ c_start=c_start + c_name.length+1; c_end=document.cookie.indexOf(";",c_start); if(c_end==-1) c_end=document.cookie.length; return unescape(document.cookie.substring(c_start, c_end)); } } return ""; } function main(){ var scope = 'http://www.google.com/calendar/feeds/'; if(!google.accounts.user.checkLogin(scope)){ google.accounts.user.login(); } else { /* * Retrieve all calendars */ // Create the calendar service object var calendarService = new google.gdata.calendar.CalendarService('GoogleInc-jsguide-1.0'); // The default "allcalendars" feed is used to retrieve a list of all // calendars (primary, secondary and subscribed) of the logged-in user var feedUri = 'http://www.google.com/calendar/feeds/default/allcalendars/full'; // The callback method that will be called when getAllCalendarsFeed() returns feed data var callback = function(result) { // Obtain the array of CalendarEntry var entries = result.feed.entry; //for (var i = 0; i < entries.length; i++) { var calendarEntry = entries[0]; var calendarTitle = calendarEntry.getTitle().getText(); alert('Calendar title = ' + calendarTitle); //} } // Error handler to be invoked when getAllCalendarsFeed() produces an error var handleError = function(error) { alert(error); } // Submit the request using the calendar service object calendarService.getAllCalendarsFeed(feedUri, callback, handleError); } } google.setOnLoadCallback(main); However when I run this the page redirects me to the authentication page. After I authenticate it send me back to my page and then quickly sends me back to the authenticate page again. I've included alerts to check if the token is being set and it doesn't seem to be working. Has anyone has this problem?

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  • colorbox not displaying first caption from flickr gallery integration

    - by Mark
    I am pulling small thumbnails into my page from the flickr API, and using Colorbox to display larger thumbnails and captions from the title attribute. Using the API with C#. However, on the first instance of opening colorbox it does not display the caption from the anchors title attribute. If you click next or previous then it appears. The actual caption is physically there in the source code, just not getting put into the colorbox window. Demo here, if you click on a thumbnail you will see there is no caption, click next then prev and it will appear. Here's the code: <script type="text/javascript"> $(function() { $("a[rel='group']").colorbox({ opacity: 0.75 }); }); </script> <a href='http://farm6.static.flickr.com/5015/5511378425_e63d4a62f7.jpg' title='Little Hermit (Peter Dunn)' rel='group' class='tooltip'> <img src='http://farm6.static.flickr.com/5015/5511378425_e63d4a62f7_s.jpg' alt='Little Hermit (Peter Dunn)' /> </a> If i view source, the title attribute is populated with the caption, but if i ook in firebug it is not in the colorbox code. Any help on this would be great Ive ran out of ideas!

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  • Any solution to IE8 bug rendering error when hiding elements?

    - by Magnar
    Bug: when hiding an element with JavaScript in IE8, the margin of still-visible other elements on the side is ignored. This bug has been introduced with IE8, since it works as expected in IE6+7 (and other browsers). <html> <head> <style> #a, #b, #c, #d {background: #ccf; padding: 4px; margin-bottom: 8px;} </style> </head> <body> <div id="a">a</div> <div id="b">b</div> <div id="c">c</div> <div id="d">d</div> <script> setTimeout(function () { document.getElementById("b").style.display = "none"; }, 1000); </script> </body> </html> When running this code, notice how a and c have a margin of 8 between them in normal browsers, but a margin of 0 in IE8. Remove the padding, and IE8 behaves like normal. Remove the timeout and IE8 behaves like normal. A border behaves the same way. I've been working with IE-bugs the last 10 years, but this has me stumped. The solution for now is to wrap the divs, and apply the margin to the outer element and other styles to the inner. But that's reminicent of horrible IE6-workarounds. Any better solutions?

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  • Why doesn't Javascript recognize the HTML class attribute?

    - by Cornflake
    Can anyone help me with a Javascript question, please? Why does the following code display only message boxes with the word "null" in them? And I think there are not enough of them either. <html> <head> <script type="text/javascript"> function showElementClasses(node) { var els = node.getElementsByTagName("*"); for(var i=0,j=els.length; i<j; i++) alert(els[i].getAttribute("class")); alert("Class: " + els[i].className); } showElementClasses(document); </script> </head> <body class="bla"> <div class="myclass" style="width: 500; height: 400" id="map"></div> </body> </html>

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  • Jquery selectors question

    - by Ben
    Hi all, I am not an expert at jquery but trying to get a menu to work. Basically, I have a menu made of up to 3 levels of nested lists. The first level has a little arrow has a background image that opens or close when opening the first level list. Any other nested lists don't need to have the background image. My script opens the menu when you click on it and is also supposed to switch the first level list from a class "inactive" to a class "active". Here is the script: $(document).ready(function(){ $("#left-navigation-holder ul.level1 li.inactive").toggle(function(){ $(this).addClass("active"); }, function () { $(this).removeClass("active"); }); $("#left-navigation-holder li a").click(function(){ menu = $(this).parent('li').children('ul'); menu.toggle(); }); }); The problem is that the toggle function also happens when clicking on second and third level lists causing the arrows to toggle even if the first level list isn't clicked on. I thought using $("#left-navigation-holder ul.level1 li.inactive").toggle would limit the function to the first level list with a class "inactive". Any help would be really appreciated. Ben

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  • jQuery UI sortable - sorting images

    - by GSTAR
    I've just implemented the jQuery UI sortable plugin for a set of images. The markup I have is as follows: <ul id="images" class="ui-sortable"> <li id="7884029"><img src="/images/member/4698568/7884029_t.jpg" alt="" /></li> <li id="7379458"><img src="/images/member/4698568/7379458_t.jpg" alt="" /></li> <li id="1704208"><img src="/images/member/4698568/1704208_t.jpg" alt="" /></li> <li id="1750715"><img src="/images/member/4698568/1750715_t.jpg" alt="" /></li> <li id="4364912"><img src="/images/member/4698568/4364912_t.png" alt="" /></li> </ul> <script type="text/javascript"> /*<![CDATA[*/ jQuery(function($) { jQuery('#images').sortable({'delay':'100'}); }); /*]]>*/ </script> The LI id is the 'name' column in the DB table - I prefer not to display the ID column. Now my question is how do I capture the sorting? I understand this would be an AJAX request but I have no idea how to do it. I have set up a sort_order column in my DB table and I am using PHP as my scripting language. I could do with a code example. EDIT: Ideally I prefer if the sort order is applied upon moving an item, i.e. I do not want to enclose it all in a form.

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  • Accessing C# Variables in JavaScript

    - by mshahbazm
    I am Developing Windows 8 application in which i have to access variables of C# class in java script function, But Unfortunately i don not know how to do this: My C# class code is: using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; namespace Pakistan_Tour { public class UniversalValues { public static double xC; public static double yC; public static int selectedcity; public int retcity() { return selectedcity; } public void setcity(int val) { selectedcity=val; } public void setxy(double x, double y) { xC = x; yC = y; } public double getx() { return xC; } public double gety() { return yC; } } } I have to access the value of variables: xC and yc in java script I am doing like: function initialize() { var x = "<%=xC%>"; var y = "<%=yC%>"; } but is not working, Kindly help me with this, Thanks in advance.

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  • On Render Callback For G+ Button

    - by Michael Robinson
    How might I go about performing an action only when a G+ button has finished rendering? Facebook allows one to do this using the following: FB.XFBML.parse(document, function() { alert('rendering done'); }); I've perused Google's documentation, but didn't see anything helpful. Currently my workaround is to monitor the G+ element until certain elements have been added, then perform my action: (function() { var po = document.createElement('script'); po.type = 'text/javascript'; po.async = true; po.src = 'https://apis.google.com/js/plusone.js'; po.onload = function() { var awaitRender = function(element) { if (element.firstChild && element.firstChild.firstChild && element.firstChild.firstChild.tagName.toUpperCase() === 'IFRAME') { alert('rendered!'); } else { window.setTimeout(function() { awaitRender(element) }, 100); } }; var buttons = document.getElementsByClassName('googleplus-button'); for(var i = 0; i < buttons.length; i++) { awaitRender(buttons[i]); } } var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(po, s); })(); I'd like to know please, if there is either: A correct way one should do this for G+ buttons A better implementation that what I've hacked together above

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  • Error with html post form in internet explorer

    - by Ron
    I have a html form which posts to a php script. It works fine in chrome and firefox but not in IE. I have ran a test on W3C but can not find any errors that relate to the form. My code is: <form class="formular" id="formular" method="post" action="script/contact.php"> <fieldset> <label> <span>Name : </span> <input type="text" class="validate['required','length[3,-1]','nodigit'] text-input" name="Name" /> </label> <label> <span>Email address : </span> <input type="text" class="validate['required','email'] text-input" name="email" /> </label> </fieldset> <div class="button"> <input type="submit" value="Contact" class="submit" /> </div> </form> Thanks in advance

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