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  • CALayer and Off-Screen Rendering

    - by Luke Mcneice
    I have a Paging UIScrollView with a contentSize large enough to hold a number of small UIScrollViews for zooming, The viewForZoomingInScrollView is a viewController that holds a CALayer for drawing a PDF page onto. This allows me to navigate through a PDF much like the ibooks PDF reader. The code that draws the PDF (Tiled Layers) is located in: - (void)drawLayer:(CALayer *)layer inContext:(CGContextRef)ctx; And simply adding a 'page' to the visible screen calls this method automatically. When I change page there is some delay before all the tiles are drawn, even though the object (page) has already been created. What i want to be able to do is render the next page before the user scrolls to it, thus preventing the visible tiling effect. However, i have found that if the layer is located offscreen adding it to the scrollview doesn't call the drawLayer. Any Ideas/common gotchas here? I have tried: [viewController.view.layer setNeedsLayout]; [viewController.view.layer setNeedsDisplay]; NB: The fact that this is replicating the ibooks functionally is irrelevant within the context of the full app.

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  • Pageview implementation

    - by The Elite Gentleman
    Hi everyone I want to add a pageview feature on my current web application. This page view is based on the count of user viewing the page. It must be unique, i.e. I must not view a person's page 10000 times and record it as 10000 views, just record 1 view instead. My question is, should I base my pageview count on IP address? If not, what is/are the best approach in doing this? I know that if the person has logged in to my system, I can simply use the user id stored in the session and check on the record if the user has/hasn't viewed the page and update accordingly. But for "anonymous" viewers, what is the best approach? Thanks. PS How does Youtube does it?

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  • jQuery attach function to 'load' event of an element

    - by Miguel Ping
    Hi, I want to attach a function to a jQuery element that fires whenever the element is added to the page. I've tried the following, but it didn't work: var el = jQuery('<h1>HI HI HI</H1>'); el.one('load', function(e) { window.alert('loaded'); }); jQuery('body').append(el); What I really want to do is to guarantee that another jQuery function that is expecting some #id to be at the page don't fail, so I want to call that function whenever my element is loaded in the page. To clarify, I am passing the el element to another library (in this case it's a movie player but it could be anything else) and I want to know when the el element is being added to the page, whether its my movie player code that it is adding the element or anyting else.

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  • javascript function

    - by user295189
    can someone explain what this function is doing var page = new Object(); page.testSearch.btnSearch.setState = function() { this.disable(!(page.testSearch.searchString.value.trim().length > 1)); } thanks

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  • Passing value in silverlight

    - by Dilse Naaz
    How can pass a value from one page to another page in silverlight. I have one silver light application which contains two pages, one xaml.cs file and one asmx.cs file. I have one text box in xaml page names Text1. My requirement is that at the time of running, i could pass the textbox value to asmx.cs file. How it will be done? my code in asmx.cs file is public string DataInsert(string emp) { SqlConnection conn = new SqlConnection("Data Source=Nisam\\OFFICESERVERS;Initial Catalog=Employee;Integrated Security=SSPI"); SqlCommand cmd = new SqlCommand(); conn.Open(); cmd.Connection = conn; cmd.CommandText = "Insert into demo Values (@Name)"; cmd.Parameters.AddWithValue("@Name", xxx); cmd.ExecuteNonQuery(); return "Saved"; } the value xxx in code is replaced by the passed value from xaml.cs page. pls help me

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  • PHP Download Script

    - by KA_lin
    [edited] I am trying to make a script that downloads a file, the problem is that i am accesing a page(from a server on the network) that generates that file (opens a download window). Is there a way I can get that file witought that pop-up in php? NOTE: I cannot modify the generating page... It is an excel file. The application is called Cognos. I managed with opera to see page variables parsed so I can get to the download page but I must make that download in a folder without the download pop-up

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  • What techniques can be used to detect so called "black holes" (a spider trap) when creating a web crawler?

    - by Tom
    When creating a web crawler, you have to design somekind of system that gathers links and add them to a queue. Some, if not most, of these links will be dynamic, which appear to be different, but do not add any value as they are specifically created to fool crawlers. An example: We tell our crawler to crawl the domain evil.com by entering an initial lookup URL. Lets assume we let it crawl the front page initially, evil.com/index The returned HTML will contain several "unique" links: evil.com/somePageOne evil.com/somePageTwo evil.com/somePageThree The crawler will add these to the buffer of uncrawled URLs. When somePageOne is being crawled, the crawler receives more URLs: evil.com/someSubPageOne evil.com/someSubPageTwo These appear to be unique, and so they are. They are unique in the sense that the returned content is different from previous pages and that the URL is new to the crawler, however it appears that this is only because the developer has made a "loop trap" or "black hole". The crawler will add this new sub page, and the sub page will have another sub page, which will also be added. This process can go on infinitely. The content of each page is unique, but totally useless (it is randomly generated text, or text pulled from a random source). Our crawler will keep finding new pages, which we actually are not interested in. These loop traps are very difficult to find, and if your crawler does not have anything to prevent them in place, it will get stuck on a certain domain for infinity. My question is, what techniques can be used to detect so called black holes? One of the most common answers I have heard is the introduction of a limit on the amount of pages to be crawled. However, I cannot see how this can be a reliable technique when you do not know what kind of site is to be crawled. A legit site, like Wikipedia, can have hundreds of thousands of pages. Such limit could return a false positive for these kind of sites. Any feedback is appreciated. Thanks.

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  • Android WebView seems to ignore "viewport" information on web pages

    - by Evan
    I have a website that is using the viewport META tag to tell mobile browsers how to display content ( ). Viewing the page in the Android browser looks correct (and iPhone, etc). When I load the page into a WebView component in an android Application, the WebView ignores the "VIEWPORT" tag, and renders the page at "full" resolution, which is zoomed-in in this case.

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  • Curvey Redraw tabs working fine on Firefox , problem with IE

    - by Rohit
    Hi, I have used curvey redraw library from google code(http://code.google.com/p/curvycorners/) & it has solved my purpose, though now as per new req i am struggling with IE. I want to have two tab rows each containing 2 tabs. <?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <title>curvyCorners - Tab demo</title> <style type="text/css">/*<![CDATA[*/ /* tab styles */ #tabrow { margin:0; padding-left:1ex; min-width:800px; font-size:small; letter-spacing:0.3pt; line-height:1; height:24px; } #tabrow ul { margin:0; padding:0; list-style:none; position:absolute; z-index:2; } #tabrow li { float:left; background-color:#E0DFE3; color:#000; margin-right:5px; padding:5px; -webkit-border-top-left-radius:5px; -webkit-border-top-right-radius:5px; -moz-border-radius-topleft:5px; -moz-border-radius-topright:5px; border-top:solid #9B9B9B 1px; border-left:solid #9B9B9B 1px; border-right:solid #9B9B9B 1px; border-bottom-width:0; border-bottom-color:transparent; cursor:pointer; font-family:verdana;font-weight:bold;font-style:italic } #tabrow li.select { background-color:#ffffff; color:#2470c4; height:14px; } /* page styles */ #midbox { width:220px; height:305px; -webkit-border-radius: 5px; -moz-border-radius: 5px; } #midbox { border: solid #9b9b9b 1px; background-color:#ffffff; } #midbox p { margin:0; padding-bottom:1ex; } h1, #topbox h2 { margin:0 15pt; padding: 5pt 0; } div.subpage { padding:1em; } /*]]>*/ </style> <script type="text/javascript" src="curvs.js"> </script> <script type="text/javascript">//<![CDATA[ var selectedTab = 0; function tabclick(n) { if (n === selectedTab) return; // nothing to do. var li = document.getElementById('tab' + selectedTab); curvyCorners.adjust(li, 'className', ''); // Remove the 'select' style li = document.getElementById('page' + selectedTab); li.style.display = 'none'; // hide the currently selected sub-page li = document.getElementById('page' + n); li.style.display = 'block'; // show the new sub-page li = document.getElementById('tab' + n); // get the new (clicked) tab curvyCorners.adjust(li, 'className', 'select'); // and update its style curvyCorners.redraw(); // Redraw all elements with className curvyRedraw selectedTab = n; // store for future reference } var selectedTab1 = 2; function tabclick1(n) { if (n === selectedTab1) return; // nothing to do. var li = document.getElementById('tab' + selectedTab1); curvyCorners.adjust(li, 'className', ''); // Remove the 'select' style li = document.getElementById('page' + selectedTab1); li.style.display = 'none'; // hide the currently selected sub-page li = document.getElementById('page' + n); li.style.display = 'block'; // show the new sub-page li = document.getElementById('tab' + n); // get the new (clicked) tab curvyCorners.adjust(li, 'className', 'select'); // and update its style curvyCorners.redraw(); // Redraw all elements with className curvyRedraw selectedTab1 = n; // store for future reference } //]]> </script> </head> <body> <div id="tabrow"> <ul> <li id="tab0" onclick="tabclick(0);" class="select curvyRedraw">Categories</li> <li id="tab1" onclick="tabclick(1);" class="curvyRedraw">Services</li> </ul> </div> <div id="midbox" class="curvyRedraw"> <div id="page0" class="subpage"> Category details </div> <div id="page1" class="subpage" style="display:none"> Service details </div> </div> <br/><br/> <div id="tabrow"> <ul> <li id="tab2" onclick="tabclick1(2);" class="select curvyRedraw">Recent Activiites</li> <li id="tab3" onclick="tabclick1(3);" class="curvyRedraw">News</li> </ul> </div> <div id="midbox" class="curvyRedraw"> <div id="page2" class="subpage"> Activities </div> <div id="page3" class="subpage" style="display:none"> News </div> </div> </body> </html> Can you please help me out in this? Thanks, Rohit.

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  • Rails: Extracting the raw url from the request

    - by pankajbhageria
    I am working with Rails 2.2. The required behaviour is as follows: I have a link(with a ajax link embedded) xyz.com/admin#page1 When I go to the above page, I should be redirected to the login page, if I am not logged in. After I log in, I should be taken back to xyz.com/admin#page1 For this I need to store the url in session when I visit any page. The problem is that when I do request.uri, I get xyz.com/admin But I want to store xyz.com/admin#page1 Regards, Pankaj

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  • Watir not working in Windows 7

    - by Ben Mills
    I recently did a fresh install of Windows 7. I installed Ruby 1.8.6 and Watir via RubyGems. When I try to run a Watir script, IE opens and the first page is called, but the problem seems to be that the script doesn't wait for the page to finish loading (which it's always done in the past). Subsequent lines in the script try to access page elements that haven't loaded yet. Is anyone else having this problem?

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  • How to make .NET WebForm Routing work with Authorization

    - by jakmas
    I have routes that are being registered from the database into an asp.net website (non MVC). The routes register fine, they all work when I am logged in. What I am trying to do is create a landing page based on some route data: Page is [site]/landing/dell The route looks like: "landing/{client}" and it routes to my page Login.aspx, in there I get the client out of the route, then display some custom brand data based on the value. In my web.config, I have my authentication mode set to forms, with my loginUrl = "Login.aspx" When the user does not have the authorization cookie, it redirects the user to: [site]/Login.aspx?ReturnUrl=%2flanding%2fdell instead of keeping the route url, and displaying the correct data. The IIS server actually does not even process the route at all, just sends the user to the Login.aspx page. I have tried several additions to my web.config: etc, and many variations, but nothing seems to work. Ideas anyone? I assume this is a common issue, and it is just not well documented.

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  • align an iframe

    - by Gaurav
    I have a html page and I want to align an iframe at the bottom of the page such that the iframe occupies all the width , I am unable to align the iframe at the bottom.Please find the iframe tag at the bottom of the page. <html> <body> <p>The rest of the code has not been mentioned to reduce code overflow.</p> <p>I want to align the iframe after a long page having no. of jquery , images etc.</p> <iframe src ="bottom.html" width="100%" height="200" style="float:bottom" scrolling="no" frameborder="0"> <p>Your browser does not support iframes.</p> </iframe> </body> </html>

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  • How do I submit a form using jquery (ajaxForm plugin) to an external site but not reload to a differ

    - by Scott
    Hi, I'm trying to create a form that sends the customer's name and email address to icontact (an email list application). All the values are correct for icontact and if I submit the form as usual, icontact responds that it added the email address. The success message loads in a new page from icontact's website. What I'd like to accomplish is that ajax would send the form and returns a success message within the current page, without sending the customer to a new page. Here is the test page: http://www.skhot.com/test/js-test/forms/index.php

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  • How to notify client about updated UpdatePanel content on server side

    - by csh1981
    I have a problem with UpdatePanel.Update() which works initially but then stops. I have tumbled with this problem for some time and some background is needed so please read ahead. I have an ASP.net application in which I have a subpage that display computed information in graphs. Each graph is embedded in an UpdatePanel. The graph is a user control that uses the standard asp:Chart for display. My task is to enable this page with AJAX capabilities so the page is responsive during postbacks. When I access this page from another page, during the initial page rendering, I use a wait dialog for each graph and a pageload event on the client side. In the client event, a hidden button is clicked which a server event handles (the hidden button is inside an UpdatePanel so the postback is asynchronous). Each graph is computed and the UpdatePanels are in turn updated with the Chart content. This is done using UpdatePanel.Update. And it is successful. However, I also have some RadioButtons on the page. These are dynamically created. The purpose of them is to switch graph type --- to show the same data in a different way. Same type of time consuming computation is needed in order to do so. I subscribe on each RadioButton's OnCheckedChanged event and the postback is asynchronous since the radiobuttons are inside an UpdatePanel. In the server event handler I determine the type of graph and use this as an input to the Chart control. I then remove the old Chart control from my Panel and adds new Chart and then I call UpdatePanel.Update(). But with no success. Nothing happens, no errors, nothing. Why is this?? I think this is strange because if I compute every Chart data in the initial rendering instead of using the "Wait dialog"-solution described earlier then I can select graph types successfully and all subsequent AJAX requests work as intended. Also, the same code (computing the chart, removal, and adding the Chart control to Panel and UpdatePanel.Update()) is hit during the initial rendering of the page, and it works only the first time. Here is the method that computes the graph and adds it to the panel and update the UpdatePanel: public void UpdateGraph(GraphType type, GraphMapper mapper) { //Panel is the content of UpdatePanelGraph's Panel.Controls.Clear(); chart = new Chart(type, mapper); //Computation happens inside here panel.Controls.Add(chart); //UpdatePanelGraph is in UpdateMode Conditional and has //ChildrenAsTriggers set to false UpdatePanelGraph.Update(); } I really need a way for these radiobuttons to work, possible using some clientside JavaScript or another way of handling things on the server side. I have thought about using a JavaScript postback call on the UpdatePanel instead of the UpdatePanel.Update(). However, the issue I have here is how to notify the client side when the server side is finished with computing the graph? An plausible explanation of the strange behavior is also much appreciated. Any help appreciated, thanks

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  • Can't get message body of certain emails from inbox using the Zend framework?

    - by Ali
    Hi guys I'm trying to read through an email inbox for my application - I'm using the zend framework here. The problem is that I'm unable to retrieve the message body for certain emails. The following is my code as to how I'm doing this: $mail = new Zend_Mail_Storage_Imap($mail_options); $all_messages = array(); $page = isset($_GET['page'])?$_GET['page']:1; $limit = isset($_GET['limit'])?$_GET['limit']:20; $offset = (($page-1)*$limit)+1; $end = ($page*$limit)>$c?$c:($page*$limit); for ($i=$offset;$i<=$end;$i++){ $h2t = new html2text(); $h2t->set_allowed_tags('<a>'); if(!$mail[$i]) break; else{ $one_message = $mail->getMessage($i); $one_message->id = $i; $one_message->UID = $mail->getUniqueId($i); $one_message->parts = array(); $one_message->body = ''; $count = 1; foreach (new RecursiveIteratorIterator($mail->getMessage($i)) as $ii=>$part) { try { $tpart = $part; //$tpart->_content = ''; $one_message->parts[$count] = $tpart; $count++; // check for html body if (strtok($part->contentType, ';') == 'text/html') { $b = $part->getContent(); if($part->contentTransferEncoding == 'quoted-printable') $b = quoted_printable_decode($b); $one_message->html_body = $b; $h2t->set_html($b); $one_message->body = $h2t->get_text(); } //check for text body if (strtok($part->contentType, ';') == 'text/plain') { $b = $part->getContent(); if($part->contentTransferEncoding == 'quoted-printable') $b = quoted_printable_decode($b); $one_message->text_body = $b; $one_message->body = $b;//$part->getContent(); } } catch (Zend_Mail_Exception $e) { // ignore } } $all_messages[] = $one_message; } } The problem is that randomly some messages don't return even a textbody or an html body. Even though if I check using a webvmail client those emails have a message body as well. WHat am I missing here?

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  • Paypal IPN Confirmation Screen immediately after redirect without reload

    - by Email
    Hi I made a script for IPN which works great but how can i immediately notify the user? I mean paypal redirects the customer to a custom-page i can define, simultanously my ipn.php checked the status, BUT how can i immediately tell the customer on this custom-page that it was successful or not. this custom-page does somehow has to know that this is the customer-xyz which made the ipn-verified!!! payment xyz, but how? i think also this custom-page redirect should wait the 5 seconds because php does only process files/request on-loads... so after 5 seconds the ipnscript surely did complete. Sorry if this question is too newby but i dont know how to notify the customer about the (ipn-verified!!!) payment-status immediately. How do you do this? Thanks so much

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  • ASP.NET - Themes and Relative Referencing

    - by user70192
    Hello, I have an ASP.NET application that uses themes. Let's pretend I have a theme named "MySkin". I have a page that is in a sub-directory of my application. When I reference a page that uses "MySkin", I noticed that ASP.NET renders a link element that walks up to the root of the site and then down into the App_Themes directory. Here is an example link element I found in a rendered ASP.NET page: <link href="../../App_Themes/MySkin/theme.css" type="text/css" rel="stylesheet" /> Is there a reason that the rendered link element does not use the following instead: <link href="/App_Themes/MySkin/theme.css" type="text/css" rel="stylesheet" /> Is this a browser compatibility issue or is there another reason? The reason I am asking is because I am rendering my ASP.NET page using Server.Execute and storing the result in a different directory. Because of this, I would prefer to use the second way to reference my theme's css. Thank you!

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  • Is this a valid css?

    - by Pandiya Chendur
    I have a pager in my page with anchors in it... I use the following css... .page-numbers a { color:#808185; cursor:pointer; text-decoration:none;outline:none; } .page-numbers a:hover { text-decoration:underline; } .page-numbers a:visited { color:#808185;outline:none; } But my anchor tag doesn't seem to take the css above instead it uses the css below, a { color:#0077CC; cursor:pointer; text-decoration:none;outline:none; } a:hover { text-decoration:underline; } a:visited { color:#4A6B82;outline:none; } Which i have given in the top of my stylesheet... Any suggestion...

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  • What's A Good Real Time Html Editing Extension?

    - by David
    Hi, i always like to real-time edit a web page source in the browser and updated as i type, but firebug really sucks, i can't insert scripts in the current page, some times the changes i type aren't updated at all, Is there any robust firefox/chrome extension for that? i try to temporarely edit/add code to an existing web page in the internet, not a local one Thanks

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  • Occasional weird Glassfish errors, resolved by a restart?

    - by Pooria
    I'm developing a web app using netbeans with GlassFishv3. Every once in a while when I add a new feature in my app, glassfish starts nagging with stupid errors, after a lot of time wasting and panicking, i restart glassfish and run my application again, then suddenly the errors all go away and my site starts acting correctly. (or in case I have made a real mistake, i receive a reasonable & descriptive error from GF.) [Edit: the rest of the question was revealed to have been my own mistake.] But the problems don't end there. Recently, i added the ability to write comments in a (JSF) page, after the user submits their comment, i add it to the database and redirect to the same page, so that hopefully the page refreshes with the new comment, but it wont! The underlying Mysql database shows that the new comment has been added, but the page just wont show the new comment! I've tried everything (e.g. deleting browser cache, using different browsers) but only after restarting GF is when the page shows the new comment! Do you have any idea what the problem could be? Could this be a Glassfish bug? What i am using: JSF2, EJB3.1, JPA, MySql

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  • clear cookie container in WebRequest

    - by Jeremy
    I'm using the WebRequest object to post data to a login page, then post data to a seperate page on the same site. I am instantiating a CookieContainer and assigning it to the WebRequest object so that the cookies are handled. The problem is that I do not want to retain the cookie after I post data to the other page. How can I delete that cookie?

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  • image appears larger than bounding rectangle?

    - by Kildareflare
    Hello I'm implementing a custom print preview control. One of the objects it needs to display is an image which can be several pages high and wide. I've successfully divided the image into pages and displayed them in the correct order. Each "page" is drawn within the marginbounds. (That is, each page is sized to be the same as the marginBounds.) The problem I have is that the image the page represents exceeds the bottom margin. However if I draw a rectangle with the same dimensions as the image, at the same position as the image, the rectangle matches the marginbounds. Thus when drawn to the page (in print preview and printed page) the image is larger than a rectangle drawn based on the image dimensions. I.e. The image is drawn at the same size as e.MarignBounds and is drawn at e.MarginBounds.Location yet exceeds the bottom margin. How is this? I've checked resoutions at each step of the process and they are all 96DPI. //... private List<Image> m_printImages = new List<Image>(); //... private void ImagePrintDocument_PrintPage(object sender, PrintPageEventArgs e) { PrepareImageForPrinting(e); e.Graphics.DrawImage(m_printImages[m_currentPage], new Point(e.MarginBounds.X, e.MarginBounds.Y); e.Graphics.DrawRectangle(new Pen(Color.Blue, 1.0F), new Rectangle( new Point(e.MarginBounds.X, e.MarginBounds.Y), new Size(m_printImages[m_currentPage].Width, m_printImages[m_currentPage].Height))); //rest of handler } PS Not able to show an image as free image hosting blocked here.

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  • [LaTeX] breaking an environment across pages - the smart way

    - by Flavius
    Hi I am using the exercise package to display exercises in a book. I have redefined some commands like this, which basically adds some space, a pencil, and two hrule's before and after the exercise: \renewcommand{\ExerciseHeader}{\vskip 1em\hrule\vskip 1em\centerline{\textbf{\large\smallpencil \ExerciseHeaderNB\ExerciseHeaderTitle% \ExerciseHeaderDifficulty\ExerciseHeaderOrigin\medskip}}} \makeatletter\def\endExerciseEnv{\termineliste{1}\@EndExeBox\vskip .5em\hrule\vskip 1em}\makeatother Now this works, but there's a small problem: There are situations where only the \hrule ends up being at the bottom of a page, and the rest of the exercise goes on the next page. There is also the opposite behavior: the entire exercise is on one page, except the \hrule in "endExerciseEnv", which is flushed to the next page. My question is: How to force the top hrule come either together with the header of the exercise (caption, title, whatever not) and at least the first two paragraphs (or \ExePath and a paragraph, or anything like that, but there must be at last "two things", so it doesn't look ugly), OR be flushed altogether, with the entire exercise? Similar question for the bottom hrule: How to force it have at least two items in front of it on the visible page where the hrule itself goes to? Any LaTeX guru who knows that? Addendum I have asked in the past LaTeX questions like this and I've got answers which required me to do stuff manually, like "insert a \vskip here and there" or such. Let me be clear: This is a book, there's lot of exercises, and I NEED it be done "automatically", by going the proper way of redeclaring commands & co.

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