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  • JSP Problem ussing implicit object (session) in a function

    - by user234666
    Can the object of type HttpSession called session be accessed from a function? In a simple jsp page I have a function(see below) defined in the header of the page, and set to an onclick handle of for a button. When I press this button, I'll never see the second alert message. If I do something in the body of the page (like Session ID: <%= session.getId() % ) I have no trouble accessing it. What newbie mistake am I making? function doTest() { alert('Preforming test 122333232'); String sessionId = session.getId(); alert('After access'); if(sessionId == null) { alert('session id is null?'); } Thanks

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  • Feedback, LiveChat or Call me Buttons - How to - Ajax

    - by user378464
    Hi - I am looking for the best technology to provide customer ways to add our functionality through buttons on their websites. I know this can be done adding button to a body and attaching a click listener but I am stumped at a point where I need to resize my iframe (UI after they click a button) and it cannot be done from internal iframe. I wanted to check how getsatisfaction, invox, zendesk and other companies offer this functionality. is there a quick tip for this? I am just looking for modus operandi and not actual code. Many thanks.

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  • Editing/Modifying a .java file programmatically? (not the .class file)

    - by Jay
    So, here is a piece of code using CodeModel that generates java code: JCodeModel cm = new JCodeModel(); JDefinedClass dc = cm._class("foo.Bar"); JMethod m = dc.method(0, int.class, "foo"); m.body()._return(JExpr.lit(5)); File f = new File("C:/target/classes"); f.mkdirs(); cm.build(f); This code generates a .java file: package foo; public class Bar { int foo() { return 5; } } However, I DO NOT want CodeModel to create a new java file for me. I do have a .java file already and would like to add a few lines of code to a method inside it. So, I would like the API to modify the java file directly/ create a modified copy of it. Is there a way to doing this?

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  • Detect if PCRE was built without the --enable-unicode-properties or --enable-utf8 configuration switches

    - by Mark Baker
    I've a PHP library that uses a number of regular expressions featuring the \P expressions for multibyte strings, e.g. ((((?:\P{M}\p{M}*)+?)|(\'[^\']*\')|(\"[^\"]*\"))!)?\$?([a-z]{1,3})\$?(\d+) While this works on most builds, I've had a few reports of the regexp returning an error. Depending on Operating platform, the error messages from PCRE are: Compilation failed: PCRE does not support \L, \l, \N, \P, \p, \U, \u, or \X at offset n or Compilation failed: support for \\P, \\p, and \\X has not been compiled at offset n I know that I can probably test a regexp at the beginning of my code that uses \P, and trap for a returned error, then use that response to set a compatibility flag and provide a degraded (non UTF-8) regexp without the \P within the main body of my code based on that compatibility flag; but I was wondering if there was any simpler way to identify whether PCRE had been built without the --enable-unicode-properties or --enable-utf8 configuration switches. PHP provides access to PCRE_VERSION constant, but that won't help identify whether \P support is enabled or not.

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  • List/Grid Toggle for Photo Gallery with Shadowbox

    - by InfamouslyBubbly
    so I'm new to this site, and new to jquery, and javascript as a whole really, but I have very good comprehension of HTML and CSS. For a class in school, I'm making a photo gallery webpage using the Shadowbox plugin. I have that part all down, but one of the requirements is to add some sort of user option that the user can change that will get saved in a cookie. (I haven't gotten to the cookie part yet) For my option, I decided to add a toggle that will switch the view of the page from a grid view (default) with images, to a list view of just the captions of the images. I figured out how to do that, but decided it could probably done in a much simpler fashion with the use of loops. Here is the HTML I have: <body> <div id="preferences"> <h1>My Photo Gallery</h1> <ul id="options"> <li><a href="#" id="list"><img src="media/listview.png" alt="List view"/></a></li> <li><a href="#" id="grid"><img src="media/gridview.png" alt="List view"/></a></li> </ul> </div> <div id="gallery"> <a rel="shadowbox[Gallery]" class="l1 img" href="media/img1.jpg" title="Black and White Leopard Pattern"><img src="media/thumb1.jpg" alt="Black and White Leopard Pattern"/></a> <a rel="shadowbox[Gallery]" class="l2 img" href="media/img2.jpg" title="Snow Leopard Pattern"><img src="media/thumb2.jpg" alt="Snow Leopard Pattern"/></a> <a rel="shadowbox[Gallery]" class="l3 img" href="media/img3.jpg" title="Colorful Triangle Pattern"><img src="media/thumb3.jpg" alt="Colurful Triangle Pattern"/></a> <a rel="shadowbox[Gallery]" class="l4 img" href="media/img4.jpg" title="Tie Dye Zebra Stripe Pattern"><img src="media/thumb4.jpg" alt="Tie Dye Zebra Stripe Pattern"/></a> <a rel="shadowbox[Gallery]" class="l5 img" href="media/img5.jpg" title="Blue Knitted Pattern"><img src="media/thumb5.jpg" alt="Blue Knitted Pattern"/></a> <a rel="shadowbox[Gallery]" class="l6 img" href="media/img6.jpg" title="Black and White Damask Pattern"><img src="media/thumb6.jpg" alt="Black and White Damask Pattern"/></a> <a rel="shadowbox[Gallery]" class="l7 img" href="media/img7.jpg" title="Wooden Panel Pattern"><img src="media/thumb7.jpg" alt="Wooden Panel Pattern"/></a> <a rel="shadowbox[Gallery]" class="l8 img" href="media/img8.jpg" title="Brick Pattern"><img src="media/thumb8.jpg" alt="Brick Pattern"/></a> <a rel="shadowbox[Gallery]" class="l9 img" href="media/img9.jpg" title="Watercolor Pattern"><img src="media/thumb9.jpg" alt="Watercolor Pattern"/></a> <a rel="shadowbox[Gallery]" class="l10 img" href="media/img10.jpg" title="Orange Stripe Pattern"><img src="media/thumb10.jpg" alt="Orange Stripe Pattern"/></a> <a rel="shadowbox[Gallery]" class="l11 img" href="media/img11.jpg" title="Blue Scales Pattern"><img src="media/thumb11.jpg" alt="Blue Scales Pattern"/></a> <a rel="shadowbox[Gallery]" class="l12 img" href="media/img12.jpg" title="Woven Pattern"><img src="media/thumb12.jpg" alt="Woven Pattern"/></a> </div> </body> So here is the sample that works (for the list portion anyways), but seems excessive in terms of code since I'd have to repeat for each image: $(document).ready(function(){ $( "#list" ).click(function() { $( "a.l1" ).removeClass( "img" ); $( "a.l1" ).addClass( "lst" ); $( "a.l1" ).text( $( "a.l1" ).attr( "title" ); //repeat for l1 through l12 (that`s the letter L not a 1) }); $( "#grid" ).click(function() { $( "a.l1" ).removeClass( "lst" ); $( "a.l1" ).addClass( "grid" ); //actually have no idea at all how to get this back to the original img tag other than maybe .innerHTML??? //repeat for l1 through l12 (again, that`s the letter L not a 1) }); }): And here is kinda how I'd like it (Y'know, except in a way that works) $(document).ready(function(){ var i = 1; var selcur = $( "'a.l" + i + "'" ); var title = selcur.attr( "title" ); var image = '<img src="media/thumb' + i + '.jpg" alt="' + title + '"/>'; $( "#list" ).click(function() { while (1<=12) { selcur.addClass("lst"); selcur.removeClass("img"); selcur.text( title ); i++; } i = 1; }); $( "#grid" ).click(function() { while (1<=12) { selcur.removeClass("lst"); selcur.addClass("img"); selcur.text( image ); i++; } i = 1; }); }); Please tell me how I am going about this wrong, keep in mind again I'm new to this, I appreciate any and all responses! Is there a better way to do this? I really want to keep it simple.

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  • How do I post dynamic information to Facebook from Flash?

    - by daidai
    I am building a Flash site and I want to be able to allow the user to post dynamically produced information to their Facebook wall, but I can't find out any information within the Facebook developers documentation. Its simple enough in Javascript/HTML: <script type="text/javascript"> function callPublish(msg, attachment, action_link) { FB.ensureInit(function () { FB.Connect.streamPublish('', attachment, action_link); }); } </script> <input type="button" onclick="callPublish('',{'name':'Post this to Facebook','href':'http://dev2.com','description':'this is some body test'},null);return false;" value="Preview Dialog" /> As you can see I don't want to create sessions or login or anything complicated, just post to info to their wall.

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  • Display alternate content when Flash is not installed with jquery.swfobject

    - by Deca
    How can I display alternate HTML with the jquery.swfobject plugin for browsers without Flash? I'm unable to find any documentation or examples showing how to do this. Here is a snippet of my code: <script type="text/javascript" language="Javascript" src="jquery.1.4.2.js"></script> <script type="text/javascript" language="Javascript" src="jquery.swfobject.1-0-9.min.js"></script> <script type="text/javascript"> $(document).ready(function(){ $("#contentflash").flash({ swf: "myswf.swf", width: "100%", height: "100%", params: { wmode: "opaque" } }); }); </script> </head> <body> <div id="contentflash"></div>

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  • Setting many key/value pairs

    - by Andrew
    Hi, I'm working on a rake task which imports from a JSON feed into an ActiveRecord called Person. Person has quite a few attributes and rather than write lines of code for setting each attribute I'm trying different methods. The closest I've got is shown below. This works nicely as far as outputing to screen but when I check the values have actually been set on the ActiveRecord itself it's always nil. So it looks like I can't use .to_sym to solve my problem? Any suggestions? I should also mention that I'm just starting out with Ruby, have been doing quite a bit of Objective-c and now need to embrace the Interwebs :) http = Net::HTTP.new(url.host, url.port) http.read_timeout = 30 json = http.get(url.to_s).body parsed = JSON.parse(json) if parsed.has_key? 'code' updatePerson = Person.find_or_initialize_by_code(parsed['code']) puts updatePerson.code parsed.each do |key, value| puts "#{key} is #{value}" symkey = key.to_sym updatePerson[:symkey] = value.to_s updatePerson.save puts "#{key}....." # shows the current key puts updatePerson[:symkey] # shows the correct value puts updatePerson.first_name # a sample key, it's returning nil end

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  • External html, for headers/navs?

    - by J2
    Hey all, looking to see if theres a way to easily include external html file inside the body to repeat on every page, for instance: a navigator or something. Basically if i have to add a menu item or something, i have to go and paste all the code into each page. Or even a way to section parts off in Dreamweaver to update based on a file or something would work i suppose Ive done it before through JavaScript with document.writes and stuff, but it was very annoying, and probably a terrible way to go about doing so. thanks for your help!

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  • How to make RegexKitLite w/ iPhone SDK produce a list of all matches +/- and also return surrounding

    - by Matt
    I'd like to create a regular expression that will match and return based on the following criteria: 1) I have N search terms entered by a user 2) I have a body of text. 3) I want to return a list of all the occurrences of all the search terms entered by the user plus surrounding context. I think (\w+\W+){,4}(", ")(\W+\w+){,4} might work. 4) I don't know how to use RegexKitLite at all. Do I invoke a RegexKitLite class? or does it interface into NSString somehow?

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  • Java: Convenient way to refactor the application.

    - by Harshal
    Hi, Everyone We have an agile enterprise application built on JSP and Servlet without any design strategy. This application was built in early 2002 considering 1000 users. After 2002, we received lots of requests from the marketing partners. Currently, the application has lots of spaghetti code with lots of Ifs and elses. One class has more than 20,000 lines of code with a huge body of functions without abstraction. Now, we need to support billions of records, what we need to do immediately and gradually? We have to refactor the application? Which framework, we need to use? How the usage of the framework will be helpful to the end users? How to convince the leaders to do the refactoring? How to gain the faster response time as compare to the current system?

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  • How can I request a url using AJAX

    - by Nikhil Dinesh
    I am quite new in this area. I need to find out how to make a request to my solr server using Ajax How can I give a url(my solr server's url) in request Any body know how to deal with this? How can i make a request to the below mentioned url http://mysite:8080/solr/select/?q=%2A%3A%2A&version=2.2&start=0&rows=100&indent=on See here: Corrected the Code Snippet as below function getProductIds() { var xmlhttp; if (window.XMLHttpRequest) xmlhttp = new XMLHttpRequest(); else xmlhttp = new ActiveXObject("Microsoft.XMLHTTP"); xmlhttp.onreadystatechange = function () { if (xmlhttp.readyState == 4 && xmlhttp.status == 200) console.dir(xmlhttp); else alert('no response'); var ajaxURL = "http://localhost:8080/solr/select/?q=*:*&version=2.2&start=0&rows=100&indent=on"; xmlhttp.open("GET", ajaxURL, true); xmlhttp.send(); } This is my code, it always showing "no response" Thanks.

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  • Prevent backspace button from navigating back in Sharepoint 2010 and IE

    - by Machinegon
    as a user requirement I have to disable the backspace button from navigating back in the history. I made the following piece of code //Bind back nutton to prevent escaping the page with backspace $j(document).unbind('keydown').bind('keydown', function (event) { var doPrevent = false; if (event.keyCode === 8) { if(event.target == document.body){ if(event.preventDefault()){ event.preventDefault(); } event.stopEvent(); event.returnValue = false; } } }); This is working perfectly in all the browsers except IE8/7. I cannot bind the input types as exceptions because the content editor in sharepoint allows to modify the text in div or paragraph elements etc. The solution is not working in IE8 because the event.target returns the element that is on mouseover when there's no controls that has the focus. All tips will be appreciated. Thanks!!

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  • Query executes with no error but not in trigger

    - by liaqat ali
    I am facing a strange problem in creating trigger in MS SQL. I have a query that executes with out an error but when I place it within trigger body, it gives error Invalid column name 'ScreenName'. I am placing whole trigger code here. Please trace the issue. CREATE TRIGGER [dbo].[tr_tbFieldLabels_FieldLabelLength] ON [dbo].[tbFieldLabels] AFTER INSERT AS Update tbFieldLabels Set TextBoxLength = (SELECT top 1 TextboxLength FROM tbFieldLabelsSource FLS WHERE FLS.ScreenName = Inserted.ScreenName AND tbFieldLabelsSource.SystemName = Inserted.SystemName) FROM tbFieldLabels , Inserted WHERE tbFieldLabels.ID = Inserted.ID GO Please help me ASAP.

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  • How to host your own http-like server using ServiceHost?

    - by Ole Jak
    I use ServiceHost for hosting WCF cervices. I want to host near to my WCF services my own tcp programm (like WCF service but with out WCF) for direct sockets operations (like lien to some sort of broadcasting TCP stream) I want to use ServiceHost for somehow simplyfiing proces of creating my TCP sender\listener, to somehow control namespaces (so I would be able to let my clients to send TCP streams directly into my service using some nice URLs like www.example.com:34123/myserver/stream?id=1 or www.example.com:34123/myserver/stream?id=222 and so that I will not be bothered with Idea of 1 client for 1 socket at one time moment, BTW I realy want to keep my WCF services on the same port as my own server or what it is...) Can any body please hrlp me with this?

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  • Parsing HTML "Visually"

    - by Midhat
    OKay I am at loss how to name this question. I have some HTML files, probably written by lord Lucifier himself, that I need to parse. It consists of many segments like this, among other html tags <p>HeadingNumber</p> <p style="text-indent:number;margin-top:neg_num ">Heading Text</p> <p>Body</p> Notice that the heading number and text are in seperate p tags, aligned in a horizontal line by css. the css may be whatever Lucifier fancies, a mixture of indents, paddings, margins and positions. However that line is a single object in my business model and should be kept as such. So How do I detect whether two p elements are visually in a single line and process them accordingly. I believe the HTML files are well formed if it helps.

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  • Get Checked RadioButtons using JavaScript

    - by Rudi
    so I’m trying to build a win 8 app, which includes a WebView. The WebView contains the HTML code (+JavaScript) below. <!DOCTYPE HTML PUBLIC " -//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <?xml version='1.0' encoding='UTF-8' standalone='yes'?> <html> <head> <meta http-equiv='Content-Type' content='text/html; charset=utf-8' > <script type='text/javascript'> function get_radio_value() { for (var i=0; i < document.myForm.frage1.length; i++) { if (document.orderform.frage1[i].checked) { var rad_val = document.myForm.frage1[i].value; return rad_val; } } } </script> <title>Kundenfragebogen</title> </head> <body> <h1>Kundenfragebogen</h1> <div id='myDiv'>Hello</div> <form name='myForm' action=''> <table border='2'> <tr> <td></td> <td>sehr gut</td> <td>gut</td> <td>schlecht</td> </tr> <tr> <td>Wie geht es Ihnen?</td> <td><input type='radio' name="frage1" value='1'/>Mir ging es noch nie besser!</td> <td><input type='radio' name="frage1" value='2'/>Es geht mir so wie immer.</td> <td><input type='radio' name="frage1" value='3'/>Heute geht einfach gar nichts…</td> </tr> <tr> <td>Können Sie Auto fahren?</td> <td><input type='radio' name="frage2" value='1'/>Ja</td> <td></td> <td><input type='radio' name="frage2" value='3'/>Nein</td> </tr> <tr> <td>Möchten Sie unseren Newsletter abonnieren?</td> <td><input type='radio' name="frage3" value='1'/>Ja</td> <td></td> <td></td> </tr> </table> <input type='button' value='Formular absenden' onclick="return get_radio_value()"/> </form> </body> </html> So the html contains some radio buttons and a button. I’ve used JavaScript ~2 years ago (just a little), so I don’t really know how to write the exact code. I’ve found something on the internet, but it doesn’t do what I want. I want to have the following: The user can check the RadioButtons. When the user clicks the Button, the JavaScript function should return all the checked radio buttons (I only need to know which RadioButton is checked). Since I know the name of the RadioButtons in my Windows 8 App, I can do the following: var object = WebView.InvokeScript("JavaScriptFunctionNAME", NameOfRadiobutton); So the WebView invokes the script and should get as a return the VALUE of the RadioButton, which is checked. “JavaScriptFunctionNAME” = name of the function in Javascript NameOfRadiobutton = the name of the RadioButton as a parameter (for example “frage1”). Currently I’m returning the value of the radiobutton, which is checked in the RadioGroup “frage1”. How can I check every RadioButton by it’s parameter? By this I mean I have a parameter “frage1” and return the value of the checked RadioButton. After this, I call the function again with the parameter “frage2” and return the checked RadioButtons value. Could anyone help me out with the JavaScript-function?

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  • How do I add to a model when on the Show of another model?

    - by Angela
    I on the Show of "Contacts" and want, from that page, to submit a Comment that is related to the Contact. The way I understand to do it would be: <%= start_form_tag :action => "add_comment", :id => @contact %> <% text_area "comment, "body", "rows" = > 5 %> <br> <%= submit_tag %> <%= end_form_tag %> I would create a method in the Contacts controller: def add_comment Contact.find(params[:id]).comments.create(params[:comment]) end However, I feel there's a better way, but don't know what that is? I learned this on a pretty outdated book. Basically, I want to add a new object belonging to a Model while on the Show of a different Model. Would formtastic help me, and if so, how?

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  • CSS Selector Issue

    - by YsoL8
    Hello html body .home blog logged-in div #wrapper div #page div .cats I have a problem with selecting unordered lists (i.e ul li.class-name class-name-number) at the above dom location in CSS. I am working with a wordpress theme. Basically could I have suggestions for the correct selector to use in order to influence this tag? I can provide a simplified html structure if it will help. I've tried a number of selectors along the lines of: (sometimes)#page (# or .)cats (sometimes)ul li(sometimes with class name) EDIT: I've tried the selectors suggested in the wordpress docs. Thanks!

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  • How can I close a SimpleModal dialog when the user clicks the Back button?

    - by Wally Hartshorn
    When a user clicks on a button or link, I use the SimpleModal jQuery plugin to display a dialog to overlay the entire page, preventing the user from clicking another button or link during the delay before the next page loads. (I'd like to avoid this, but that's an issue for another day.) After the next page displays, if the user clicks the Back button, the previous page still has the SimpleModal overlay displayed, preventing them from using the page. This is a problem. How can I cause the SimpleModal dialog to close automatically either when the leaves the page or when the user clicks the Back button to return to the page? I tried this without success: $("body").unload(function() { $.modal.close(); }); Thanks! Wally

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  • Vertically center CSS techniques don't work in Chrome

    - by at.
    I've gone through stackoverflow questions and a whole bunch of articles on vertically centering text like the following: http://blog.themeforest.net/tutorials/vertical-centering-with-css/ None of the techniques seem to work with the latest version of Chrome. Is that just the nature of Chrome? My text just always appears at the top. It seems that whenever I use 50% or 100% as values for CSS's height or top, nothing happens. I just need a single line of text vertically centered. line-height isn't helpful because I want it centered in the middle of the browser window... I don't know how tall the browser window is going to be. UPDATE: The problem is apparently Foundation 4. Once I delete the following everything works as expected: <link href="/assets/foundation_and_overrides.css?body=1" media="screen" rel="stylesheet" /> Any idea on how to make it work with Foundation 4?

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  • How do I make my wordpress post appear in a mouse hover preview?

    - by Dan
    Mouse hover previews usually only show title and image. Instead, I want the entire wordpress post to show. The code that calls the preview is this: adTitle = jQuery(this).find('img').attr('alt'); jQuery('body').append("<div id='preview'><a href='"+ this.href +"' class='colorbox-thumb'><img src='"+ this.href +"' alt='' /></a><p>"+ adTitle +"</p></div>"); jQuery('#preview') .fadeIn('fast') I want to insert a wordpress post instead. I have tried to insert the php code after append("

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  • How to inline compressed CSS in Rails with assets pipeline

    - by haimg
    I'm trying to inline CSS into my layout. I'm currently using = Rails.application.assets.find_asset('embedded.css').body.html_safe However, the CSS returned is not compressed. I verified what .digest_path asset file exists, and is properly compressed. I can, of course, write a helper that will check if current on-disk compressed asset file exists for a given asset, and use it. However, I think find_asset actually compiles a CSS asset each time it is called -- not good in production. I hope a cleaner solution exists for this issue.

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  • Drupal rendering incomplete views

    - by Paul
    I got tapped to do some quick maintenance on a recently migrated Drupal site. I'm pretty new to Drupal, so hopefully the problem is something that more experienced guys will figure out quick. Behavior is as follows. The public content works fine as far as I can tell. When I go to login, the login form renders correctly, but when I post the form w/ my credentials, I get back a blank page (not a 404; looks like a 200 to the /user URL, but all the gets rendered is empty Head and body tags). If i refresh the page, I get the content of my profile view, but none of the site chrome or CSS. Note that this is not an issue on the site it was migrated from, so it seems like something wasn't copied over correctly. The site's not public, so I can't provide a URL, sorry!

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  • Get a single element with PHP and XPath

    - by daliz
    Lots of tutorials around the net but none of them can explain me this: How do I select a single element (in a table, for example), having its absolute XPath? Example: I have this: /html/body/table/tbody/tr[2]/td[2]/table/tbody/tr/td/table[3]/tbody/tr/td/table/tbody/tr[3]/td/table/tbody/tr[4]/td[5]/span What's that PHP function to get the text of that element?! Really I could not find an answer. Found lots of guides and hints to get all the elements of the table, all the buttons of a form, etc, but not what I need. Thank you.

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