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• Hide header and footer when printing from Internet Explorer using Javascript or CSS

  - by molasses

  When I print a webpage from Internet Explorer it will automatically add a header and footer including the website title, URL, date, and page number. Is it possible to hide the header and footer programatically using Javascript or CSS? Requirements: works in IE 6 (no other browser support necessary as its for an Intranet) may use ActiveX, Java Applet, Javascript, CSS preferably not something that the user needs to install (eg. http://www.meadroid.com/scriptx). feel free to list other third party available plug-ins though as I think this may be the only option don't require the user to manually update their browser settings don't render the pages as PDF or Word document or any other format don't write to the registry (security prevents this) Thanks

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• java.security.AccessControlException: access denied using Java Web Start

  - by killiancomputers

  I am having some issues with accessing files using JWS (Java Web Start). The program adds a new label and image. The program runs fine on my local computer but gives me pages of errors when I run the program on my remote server using JWS. Here's a sample of the error: Exception in thread "AWT-EventQueue-0" java.security.AccessControlException: access denied (java.io.FilePermission add2.png read) at java.security.AccessControlContext.checkPermission(Unknown Source) at java.security.AccessController.checkPermission(Unknown Source) at java.lang.SecurityManager.checkPermission(Unknown Source) This occurs even after making sure the images have read access. Ideas?

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• Session resume problem with Strophe attach and Ejabberd

  - by Adil

  I'm having a lot of difficulty getting strophe's 'attach()' function working. I am working on a social network where users will be surfing pages and at the same time keep their chat connection on. I don't want to reconnect/reauthorize on every page so as per this link (http://groups.google.com/group/strophe/browse_thread/thread/430da5e788278f3a/93c48c88164f382f?show_docid=93c48c88164f382f&fwc=1) i am storing the SID and RID into a cookie onunload. On the next page when i try to use the new SID and RID (after incrementing it by 1) my session is already destroyed. Ejabberd reports "Error on HTTP put. Reason: bad_key" WTF is happening?

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• What is all this stuff in the CKEditor folder?

  - by Ashley Ward

  A while ago I downloaded the latest version (3.1) of the CKEditor text editor. The directory name was ckeditor and I deleted the ckeditor/_source and ckeditor/_samples sub-directories, then I referenced the ckeditor.js file in my html pages, like so : <script type="text/javascript" src="ckeditor/ckeditor.js"></script> this works well. To make config changes, I have been modifying the ckeditor/config.js file. However, as of late, I have been reading various web resources that say 'do not delete the _source' folder and other such ominous messages. What is this _source folder? What is all the stuff at the root of the ckeditor folder? and, What is safe to remove from the folder?

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• RegEXP Javascript URL matching

  - by Blondie

  I have this so far: chrome.tabs.getSelected(null, function(tab) { var title = tab.title; var btn = '<a href="' + tab.url + '" onclick="save(\'' + title + '\');"> ' + title + '</a>'; if(RegExp('/http:\/\/www.mydomain.com\/version.php/i') == true) { document.getElementById('link').innerHTML = '<p>' + btn + '</p>'; } }); Basically it should match the domain within this: http://www.mydomain.com/version.php?* Anything that matches that even when it includes something like version.php?ver=1, etc When I used the code above of mine, it doesn't display anything, but when I remove the if statement, it's fine but it shows on other pages which it shouldn't only on the matched URL.

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• Configuring asp.net web applications. Best practices

  - by Andrew Florko

  Hello everybody, There is a lot of configurable information for a web-site: UI messages Number of records used in pagination & other UI parameters Cache duration for web-pages & timeouts Route maps & site structure ... There are many approaches to store all this information also: AppSettings (web.config) Custom sections (web.config) External xml/text files referred from web.config Internal static class(es) of constants Database table(s) ... What approaches do you usually choose for your tasks & what approaches do you find unsuitable? Thank you in advance!

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• Easiest way to open chm files programmatically?

  - by Adrian Grigore

  Hi, I have a legacy 32-bit application written in Borland's C++ Builder. I need to show specific pages from within a HtmlHelp file programmatically. Until now I've been doing this via HtmlHelp.ocx, but this does not work on x64 versions of Windows Vista / Windows7 as described in this thread. I can't compile the application as 64-bit executable. Therefore the only workaround I have found so far is to create a 32-bit component implementing a COM object which loads and calls into the 32-bit DLL, and exposes the 32-bit DLL interface as a COM interface. That sounds far too complicated just to display a chml file with a specific topic. There must be something else. But what is it?

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• Learning Linux screencasts

  - by Dmitriy Nagirnyak

  Hi, I am trying to get started with Linux. There are number of books (many of which are just man pages), some of them provide good overview so I can dig deeper online then. What I would like is to find number of screencasts that would cover basics of Linux commands, server administration, commonly performed tasks etc (no GUI, only terminal). I want to watch the screencasts to "get it quicker" and then use a book or online resources to "dig it deeper". Any recommendations? Thanks, Dmitriy.

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• Struts 1 - struts-taglib.jar is not being found by my web application

  - by Yatendra Goel

  I am using Struts-1. I have developed a struts-based web application. I am using struts tags in my JSP pages supplied in struts-taglib.jar by inserting the following lines in the JSP file: <%@ taglib prefix="html" uri="http://struts.apache.org/tags-html" %> <%@ taglib prefix="logic" uri="http://struts.apache.org/tags-logic" %> <%@ taglib prefix="bean" uri="http://struts.apache.org/tags-bean" %> Now the application is working fine when I run it on my localsystem but when I deploy it on a server, it shows the following exception: org.apache.jasper.JasperException: The absolute uri: http://struts.apache.org/tags-html cannot be resolved in either web.xml or the jar files deployed with this application From the above exception, it seems that the application hasn't found the struts-taglib.jar file. But I have put the struts-taglib.jar in /WEB-INF/lib directory. Then where is the problem? Note: You can also look at http://stackoverflow.com/questions/2452492/java-problem-in-deploying-web-application for more information

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• How can I create a hybrid Silverlight and aspx application

  - by PilotBob

  Here is my scenerio.. We have an ASP.Net 2.x web site. We want to migrate it to Silverlight full frame application. However, there is no way we can go away in a corner and redo every web page in SL right off the bat. What I would like to do is build the chrome of the app (main page, dashboard, login, common system/config screens, main menu) in SL and be able to open existing .aspx pages in the main content SL frame. From what I see there is no way to do this. I thought the Webbrowser control in SL4 would be the answer, but apparently that only works if your app is run out of browser. So, what is my best recourse? It seems like I will have to create some type of .aspx page that hosts the .XAP and pass in the page I want it to load? How would you gurus approach this?

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• Customizing Number of Page Links Rendered With will_paginate?

  - by Moe

  I'm using the will_paginate gem for my Rails project and it's working beautifully. Unfortunately, on paginated result sets with a larger number of pages, the link section is too wide. Instead of: « Previous 1 2 … 5 6 7 8 9 10 11 12 13 … 18 19 Next » I would like to show: « Previous 1 2 … 5 6 7 8 9 … 18 19 Next » How can I reduce the number of page links being rendered? I looked at the will_paginate docs on github but couldn't find a solution. Thanks! Moe

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• Detect Installed Application URI Handler on Webkit browsers

  - by Punit Raizada

  Guys, I have a question mainly related to the Iphone web browser but I am hoping the same solution would work on other browsers that are webkit based. I have a application (Iphone + Android) that registers a handler for custom URI (appuri://) on the Phone. I am able to launch the application by making a link to "appuri://act/launch" from my web pages. This works only if my application is installed on the device. If the device does not have the app installed then a message comes up "Safari was not able to open ....". What I want to do is detect if the URI Scheme is supported from the browser and then prompt my own message saying "please download the app ..blah blah blah" if the handler for the URI scheme is not found. Is there a way I can detect or find the list of URL Scheme handlers on the Phone from the Web Browser ?

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• WebBrowser control not submitting form, IE 7 works

  - by Joel Cunningham

  We are using a WebBrowser control in our win forms application which is running in terminal services. IE 7 is the browser that is installed for the session. We are using WebForms to generate the web pages. If we try and submit a web page in the WebBrowser control it does not work. The submit button does not push down. If we try and submit a web page in IE 7 that is installed on the same machine it works as expected. This is only an issue for one person. The WebBrowser control is working for other users. Any thoughts on how I can debug why the submit button is not submitting for the WebBrowser control? Thanks in advance.

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• SEO chaos from changing robots.txt file in Wordpress site

  - by Seedorf

  Hi there, I recently edited the robots.txt file in my site using a wordpress plugin. However, since i did this, google seems to have removed my site from their search page. I'd appreciate if I could get an expert opinion on why this is so, and a possible solution. I'd initially done it to increase my search ranking by limiting the pages being accessed by google. This is my robots.txt file in wordpress: User-agent: * Disallow: /cgi-bin Disallow: /wp-admin Disallow: /wp-includes Disallow: /wp-content/plugins Disallow: /wp-content/cache Disallow: /trackback Disallow: /feed Disallow: /comments Disallow: /category/*/* Disallow: */trackback Disallow: */feed Disallow: */comments Disallow: /*?* Disallow: /*? Allow: /wp-content/uploads Sitemap: http://www.instant-wine-cellar.co.uk/wp-content/themes/Wineconcepts/Sitemap.xml

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• How do I access the popup page DOM from bg page in Chrome extension?

  - by Fletcher Moore

  In Google Chrome's extension developer section, it says The HTML pages inside an extension have complete access to each other's DOMs, and they can invoke functions on each other. ... The popup's contents are a web page defined by an HTML file (popup.html). The popup doesn't need to duplicate code that's in the background page (background.html) because the popup can invoke functions on the background page I've loaded and tested jQuery, and can access DOM elements in background.html with jQuery, but I cannot figure out how to get access to DOM elements in popup.html from background.html.

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• Merge items in nanoc

  - by Gordon Potter

  I have been trying to use nanoc for generating a static website. I need to organize a complex arrangement pages I want to keep my content DRY. How does the concept of includes or merges work within the nanoc system? I have read the docs but I can't seem to find what I want. For example: how can I take two partial content items and merge them together into a new content item. In staticmatic you can do some like the following inside your page. = partial('partials/shared/navigation') How would a similar convention work within nanoc?

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• Deny Switching to Tabpage in a tabcontrol

  - by Maneesh

  I have a form(C#) with a tab control and its has around five tab pages. each of the tab have a few textboxes. 1) if a User is in say Tab A and edits certain fields i need to validate the text enetered if found invalid then i should not allow any tab switch ? is that possible? 2) Another case could be ... user edits some values and clicks on another tab, on doing so i need to check if the values that were enetered for Tab A is correct or not ? can i do this? I am a novice to C#... so may be these questions sound very basic any help will be appreciated. also i want to know what are these events of a tab page Leave, validated or validating ?

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• Optimizing performance of large ASP.NET applications

  - by NLV

  Hello, I'm building a asp.net web application with lots and lots of controls and huge volumes of data. My application is very slow and it is taking a large amount of time to load the data into the .net controls like grid, tree view etc. I also have some ajaxified pages and controls in my application. I want to reduce the page load time in each postbacks. What are the standards/best practices to be followed while developing large asp.net applications? Thank you. NLV

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• WebDAV auto-versioning in Git or Hg or any modern VCS

  - by Marcus P S

  I just recently learned of SVN's auto-versioning feature for WebDAV. Although I understand this is not replacement for proper versioning, with messages documenting change sets, it strikes me as a solid and safe replacement to Dropbox (minus nice GUIs and web pages). However, since commits in auto-versioning are frequent, I'd imagine that Git or Hg would be better suited for this, just because of their more compact databases (although I wonder if the distributed nature of things could make the automation ugly for resolving conflicts). Is this a feature that has been implemented using Git or Hg, as far as anyone knows?

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• Report group headings not repeating on every page.

  - by ProfK

  I have an RDLC report with three tables and associated data sets. In my second table, I cannot get the two 'header' rows to repeat on each printed page. When viewed interactively, each table is on its own page and this isn't a problem. When I switch to print layout, e.g. my second table now spans two pages, and the second page gets no header rows. Am I missing a setting or something? ADDED: I do have the 'Repeat Header columns on each page' checked.

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• Cannot use Html.ActionLink in asp.net mvc spark files

  - by midas06

  I'm using the spark view engine with my asp.net mvc application. In my aspx pages, I can succesfully use Html.Actionlink, but when I attempt it in spark files, it doesnt show up in intellisense, and when i try to run it anyway, i get: Dynamic view compilation failed. c:\Users\midas\Documents\Visual Studio 2008\Projects\ChurchMVC\ChurchMVC\Views\Home\Index.spark(73,25): error CS1061: 'System.Web.Mvc.HtmlHelper' does not contain a definition for 'ActionLink' and no extension method 'ActionLink' accepting a first argument of type 'System.Web.Mvc.HtmlHelper' could be found (are you missing a using directive or an assembly reference?) I do have system.web.mvc referenced, and I have added in _global.spark. None of that helps. Any ideas?

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• What is a good Java crawler library?

  - by DrDee

  Hi, I am about to develop a crawler in Java but don't feel like reinventing the wheel. A quick Google search gives a whole bunch of Java libraries to build a web crawler. Besides that Nutch is of course a very robust package but seems a bit too advanced for my needs. I only need to crawl a handful websites a week containing a couple of 1000 pages each. Which open source Java library would you recommend considering: speed multithreading (or even distributed) extending it with new functionality active maintained and documentation?

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• Is there a complete working example of a unit tested JPA2/CDI/JSF2 WebApp without EJBs ?

  - by Maxime ARNSTAMM

  Hello everyone, I want to build a web app in JPA2/CDI (without EJBs) and i get how to code the different beans (i worked for some time on seam/jpa apps), but i'm stuck because i can't find a complete working set of configuration files (ie : persistence.xmln web.xml and stuff), and there is always a little glitch or something i miss. My goal is to develop a simple CRUD (1 or 2 pages) but unit tested, for future use, as a code base. So if you already did this kind of mini project, or if you know where i can find a working example, that would be great if you could help me. Thanks

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• web.config, configSource, and "The 'xxx' element is not declared" warning.

  - by UpTheCreek

  I have broken down the horribly unwieldy web.config file into individual files for some of the sections (e.g. connectionStrings, authentication, pages etc.) using the configSource attribute. This is working file, but the individual xml files that hold the section 'snippets' cause warnings in VS. For example, a file named roleManager.config is used for the role manager section, and looks like this: <roleManager enabled="false"> </rolemanager> However I get a blue squiggle under the roleManager element in VS, and the following warning: The 'roleManager' element is not declared I guess this is something to do with valid xml and schemas etc. Is there an easy way to fix this? Something I can add to the individual files? Thanks P.S. I have heard that it is bad practice to break the web.config file out like this. But don't really understand why - can anyone illuminate me?

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• [iPhone] Objective-C : UIScrollView manual paging

  - by Daniel

  Hi Folks! I want to use the scrollview as something like a picker in horizontal mode. The scrollview holds up to seven subviews. Each subview represents a value. Always three views are visible and the one in the middle is the selected one. Scrollview visible at start: __ | V1 | V2 Scrollview set to view/value two: V1 | V2 | V3 Scrollview set to last value: V2 | V3 | __ The real problem I have got is the "pagingEnabled" flag. If pagingEnabled is set to YES the scrollview pages always three subviews/values instead of only one. If pagingEnabled is set to NO the scrollview does not clinch. Is there a nice solution for my problem? Thanks a lot, Dan ;)

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