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• Why JavaScript dialogs (alert/prompt/confirm) are not widely used and not under active development?

  - by serg555

  If there is a need to display some simple confirmation popup, most developers would rather install jQuery, find some dialog plugin for it, skin it, than put a one liner: if(confirm("Are you sure?")) { ... } Using alert() for displaying error messages is considered cheap. And how many sites can you name that are usingprompt()? So, the question is: Is there something wrong with those dialogs so they should be avoided? Yes they have (very) limited functionality and customization, but when you don't need anything fancy, is using js dialogs still a bad practice? Why these dialogs haven't seen any improvement in past 10 years (probably longer) and none is planned for near future? Wouldn't it be nice to have native js access to fully customizable desktop-level dialogs? At least adding error/warning/info type of dialogs and adding ability to customize button captions would be a big help.

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• Useful ways for multilanguage navigation and static content on your site?

  - by vitto

  Hi, I have a big site running under Apache and PHP and in few mounths I should consider to add some different language version of it, but I'm not sure about the right way (or ways). My problem it isn't the user data, because I can use db tables with different languages (en, de, it, etc.) so I want concentrate my answer on navigation and static content. For now I can't use gettext because I don't have a dedicated server and I can't reboot it every time I want, but surely will be a future choice. So my main problems are these: In the site, I have classical XHTML elements like the menus, lists, div and various static texts in various pages (should be perferct for gettext, but I need a alternative) The other part of the sites has XHTML elements which are dynamically created via AJAX and jQuery, and here I haven't any idea of what can I do... So does exists some example I can see in some link to solve it (or some useful tecnique)?

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• 500 INTERNAL SERVER ERROR

  - by jude

  Hi, I have and old content database which i restored in my sharepoint 2007. But whenver i try to access web sites in my sharepoint i get error : 500 INTERNAL SERVER ERROR. I can see the old content database at :- Sharepoint Centre Admin-Application Management-Content databases. There is no difference in the version of the old content database. My current content database is working fine.Its just the old content database is not. What could be the reason? Thanks, Jude Aloysius.

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• AddThis Social SignIn and Django

  - by piokuc

  I am developing a Django website. I've been using django-registration for user registration so far but I would really like to allow users to login to my site using their Facebook, Twitter, Google, etc accounts. I am using addthis sharing buttons. I just noticed they introduced a social sign in solution. The idea seems great, you integrate your authentication system with their service once, and your users can login via all of the popular social networking sites. Has anybody integrated addthis social signin plugin with a django website? How can you use it along side django-registration? Are there any similar, alternative solutions?

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• Prevent DTD download when parsing XML, redux

  - by harpo

  I have a folder full of XHTML files, and a console program to process them. The problem is, it doesn't work when I'm offline, because The remote name could not be resolved: 'www.w3.org' A number of sites, including this one, say to set the XmlResolver to null. That is not not working. I have tried setting the XmlResolver to null every way that I can think of: in the XmlDocument, in XmlTextReader, and in the XmlReaderSettings. I believe that it's just creating a default instance. I have also tried implementing my own XmlResolver, but I don't know what to return for external items. public class NonXmlResolver : XmlUrlResolver { public override object GetEntity( Uri absoluteUri, string role, Type ofObjectToReturn ) { if ( absoluteUri.Scheme == "http" ) throw new Exception("What you talking 'bout, Willis?"); else return base.GetEntity( absoluteUri, role, ofObjectToReturn ); } } The documents do not use any special entities, only pure XML. This is possible, right?

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• java get file paths

  - by user283188

  hey everybody, I have a jsp page which contains the code which prints all files in a given directory and their file paths. The code is if (dir.isDirectory()) { File[] dirs = dir.listFiles(); for (File f : dirs) { if (f.isDirectory() && !f.isHidden()) { File files[] = f.listFiles(); for (File d : files) { if (d.isFile() && !d.isHidden()) { System.out.println(d.getName()+ d.getParent() + (d.length()/1024)); } } } if (f.isFile() && !f.isHidden()) { System.out.println(f.getName()+ f.getParent() + (f.length()/1024)); } } } The problem is that it prints the complete file path, which when accessed from tomcat is invalid. For example, the code spits out the following path: /usr/local/tomcat/sites/web_tech/images/scores/blah.jpg and I want it to only print the path up to /images ie /images/scores/blah.jpg I know I could just mess around with an actual string, ie splitting it or string matching, but is there an easier way to do it? Thanks

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• Best free site/blog to put video tutorial

  - by nash

  Hi, i am planning to upload a video tutorial on a particular software technology. The size of the videos will be around 600 MB's to say 1 GB. I am putting it for free for anyone to download. Is there any site/blog where i can put it.I am planning to divide the videos in parts and zip them. Does blogger or any other cms allow me to upload to there sites and put download links? Or is buying web space the only option? I am not keen on using youtube as i clearly want the user to download by clicking on links and not watch them online. Also i was thinking of just uploading the videos on rapidshare/megaupload/mediafire... and put just links on a blogger post. Any suggestion from you guys?

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• Single SingOn - Best practice

  - by halfdan

  Hi Guys, I need to build a scalable single sign-on mechanism for multiple sites. Scenario: Central web application to register/manage account (Server in Europe) Several web applications that need to authenticate against my user database (Servers in US/Europe/Pacific region) I am using MySQL as database backend. The options I came up with are either replicating the user database across all servers (data security?) or allowing the servers to directly connect to my MySQL instance by explicitly allowing connections from their IPs in my.cnf (high load? single point of failure?). What would be the best way to provide a scalable and low-latency single sign-on for all web applications? In terms of data security would it be a good idea to replicate the user database across all web applications? Note: All web applications provide an API which users can use to embed widgets into their own websites. These widgets work through a token auth mechanism which will again need to authenticate against my user database.

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• Unique keys for Sphinx along three vectors instead of two

  - by Brendon Muir

  I'm trying to implement thinking-sphinx across multiple 'sites' hosted under a single rails application. I'm working with the developer of thinking-sphinx to sort through the finer details and am making good progress, but I need help with a maths problem: Usually the formula for making a unique ID in a thinking-sphinx search index is to take the id, multiply it by the total number of models that are searchable, and add the number of the currently indexed model: id * total_models + current_model This works well, but now I also through an entity_id into the mix, so there are three vextors for making this ID unique. Could someone help me figure out the equation to gaurantee that the id's will never collide using these three variables: id, total_models, total_entities The entity ID is an integer. I thought of: id * (total_models + total_entities) + (current_model + current_entity) but that results in collisions. Any help would be greatly appreciated :)

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• How Do I Programmatically Check if a WordPress Plugin Is Already Activated?

  - by Volomike

  I know I can use activate_plugin() from inside a given, active plugin in WordPress, to activate another plugin. But what I want to know is how do I programmatically check if that plugin is already active? For instance, this snippet of code can be temporarily added to an existing plugin's initial file to activate a partner plugin: add_action('wp','activatePlugins'); function activatePlugins() { if( is_single() || is_page() || is_home() || is_archive() || is_category() || is_tag()) { @ activate_plugin('../mypartnerplugin/thepluginsmainfile.php'); } } Then, use a Linux command line tool to spider all your sites that have this code, and it will force a page view. That page view will cause the above code to fire and activate that other plugin. That's how to programmatically activate another plugin from a given plugin as far as I can tell. But the problem is that it gets activated over and over and over again. What would be great is if I had an if/then condition and some function I could call in WordPress to see if that plugin is already activated, and only activate it once if not active.

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• Frameworks And 'traditional' coding

  - by YsoL8

  Hello Sorry if this too open ended for this forum, but here goes. I mostly use languages such as PHP and Javascript without frameworks (e.g Jquery, Drupal, CakePHP). The only real exception to this for me, is Wordpress when 'traditional' coding is slower for building information sites. I've dabbled with several frameworks over the past year and despite everyone else's (seemingly) good experiences with them, I seem to of hit a roadblock. My basic problem is that for the amount of time invested in effectively relearning a language, I don't get a lot in return. Jqeury as an example. There is really very little in that, that I couldn't accomplish easily with a few getElement.. commands. So my question is, what advantages do frameworks offer over previous coding styles? Thanks from 2003 guy!

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• Continuous Deployment with a C#/ASP.NET website?

  - by Amber Shah

  I have a website in C#/ASP.NET that is currently in development. When we are in production, I would like to do releases frequently over the course of the day, as we fix bugs and add features (like this: http://toni.org/2010/05/19/in-praise-of-continuous-deployment-the-wordpress-com-story/). If you upload a new version of the site or even change a single file, it kicks out the users that are currently logged in and makes them start over any forms and such. Is there a secret to being able to do deployments without interfering with users for .NET sites?

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• How do you limit a page with multiple flash mp3 players to play one at a time?

  - by Andrew.S

  I am working with the open source flash player at http://flash-mp3-player.net/ and I am trying to figure out how to limit one sound file at a time. I know this has been done on a number of sites but I am unsure how to approach it. Scenario: A page has five different instances of the flash player. The user is litening to one song but clicks on another to listen to it. Goal: The first audio file automatically stops while the second starts playing instead of both playing at the same time. Do I need to have some sort of javascript handler than interacts with the swf or something?

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• Where can I find a large body of *Python3* source code?

  - by Ira Baxter

  I'm testing a Python parser. I have Python 2.6/2.7 firmly under control, and some good (large) code samples on which I've tested it. I'm interested in testing my Python3 variant. I've been to various Python open source web sites (e.g., http://pythonsource.com/), which list lots of packages, but they are pretty unclear as whether these are Python 2.x vs 3.x source files. The several samples that I downloaded all turned out to be Python 2.x. Where can I find a number of large Python 3 software source codes? I don't really want 1000 little separate Python3 files; I prefer big applications.

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• Performance optimization for SQL Server: decrease stored procedures execution time or unload the ser

  - by tim

  We have a web service which provides search over hotels. There is a problem with performance: a single request to the service takes around 5000 ms. Almost all of the time is spent in database by executing storing procedures. During the request our server (mssql2008) consumes ~90% of the processor time. When 2 requests are made in parallel the average time grows and is around 7000 ms. When number of request is increasing, the average time of response is increasing as well. We have 20-30 requests per minute. Which kind of optimization is the best in this case having in mind that the goal is to provide stable response time for the service: 1) Try to decrease the stored procedures execution time 2) Try to find the way how to unload the server It is interesting to hear from people who deal with booking sites.

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• How can I detect whether an image is a PNG or APNG format?

  - by perlit

  APNG is backwards compatible with PNG. I opened up an apng and png file in a hex editor and the first few bytes look identical. So if a user uploads either of these formats, how do I detect what the format really is? I've seen this done on some sites that block apng. I'm guessing the ImageMagick library makes this easy, but what if I were to do the detect without the use of an image processing library (for learning purposes)? Can I look for specific bytes that tell me if the file is apng? Solutions in any language is welcome.

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• Email form isn't sending

  - by Jonathan

  Hi I have an email form that isn't sending out an email to the recipient or a copy to the client. The form can be found at www.kelcos.co.uk/contact and the files associated with this are: /index.php /jquery.js /sendemail.php /submitform.php /thanks.php /verify.php I have used this form on other websites http://www.bowlesgreen.co.uk/contact/ and http://www.arbortectreecare.co.uk/contact/ and it works fine - the only difference is that these other sites use my usual hosting provider and for the one that won't send I'm working through the clients hosting provider, which I can only presume is what is causing the problem. I have contacted the hosting and so far we have eliminated a few things such as: 'The limitation to our systems is that the emails sent using scripts will be blocked if they are not going to or coming from an email address setup on the web hosting account. - so I am now sending the form to an a kelcos.co.uk address, but still no joy. PHP/ASP was originally disabled, but now has been activated the mail() script is enabled I would really appreciated any advise any of you could offer. Thanks

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• Resources for TDD aimed at Python Web Development

  - by Null Route

  I am a hacker not and not a full-time programmer but am looking to start my own full application development experiment. I apologize if I am missing something easy here. I am looking for recommendations for books, articles, sites, etc for learning more about test driven development specifically compatible with or aimed at Python web application programming. I understand that Python has built-in tools to assist. What would be the best way to learn about these outside of RTFM? I have searched on StackOverflow and found the Kent Beck's and David Astels book on the subject. I have also bookmarked the Wikipedia article as it has many of these types of resources. Are there any particular ones you would recommend for this language/application?

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• generic async loading method for page web scripts?

  - by boomhauer

  The google analytics code went to an async load model some time back. I've noticed that a lot of the other scripts I use on many sites are causing slow load times - specifically the addthis script and the facebook like button. I'm noticing that the slow load times of these scripts is causing the google bot to calc my page loadtimes as being much slower than previously. I'd like to know if there is a standard/generic way of causing these scripts to load async as well, or perhaps a pointer to someone who has done the work for this already. Seems this would be a popular thing to do, but not much luck searching around.

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• Debugging of native code

  - by graham.reeds

  I have a C# Service that is calling a C DLL that was originally written in VC6. There is a bug in the DLL which I am trying to inspect. After having a nightmare trying to get debug to work I eventually added the dll to the VS2005 solution containing the C# Service and added the necessary _CRT_SECURE_NO_WARNINGS. The debug version of the service is registered using 'installutil.exe' tool. I can get the debugger to break just before the line where the dll is entered via a call to System.Diagnostics.Debugger.Break();. I found some instruction on the net regarding stepping into debugging unmanaged code, and enabled the 'Enable unmanaged code debugging' check box, I've also tried turning on the Options-Debugging-Native 'Load DLL exports' and 'Enable RPC Debugging' (even though it's not COM). I've also copied the debug dll and .pdb to the same bin directory as the However the unmanaged code is not being stepped into which is what I really need. UPDATE: I found the Debugging Type in the DLL properties and set it to 'Mixed' as per suggestion on several sites but to no avail.

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• I'm working on a website that sells different artwork, what's the best way to handle different image

  - by ThinkingInBits

  I'm working on a website that will allow users to upload and sell their artwork in different sizes. I was wondering what the best way would be to handle the different file sizes automatically. A few points I was curious on: How to define different size categories (small, medium, large) in such a way that I'll be able to dynamically re-size images with proportional dimensions. Should I store actual jpegs of the different sizes for download? Or would it be easier to generate these different sizes for download on the fly My thumbnails will be somewhat larger than your average thumbnails, should I store a second 'thumbnail image' with the sites watermark overlaying it? Or once again, generate this on the fly? All opinions, advice are greatly appreciated!

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• Thumbnail wont show up in Facebook link share

  - by Xander Aeder Putris

  I have been messing with Open Graph for hours and can't figure out why Facebook still wont let me show an image when I share a link to a new site I just launched. Even sites I built 5 years ago that have no clue of Open Graph show images so I have no idea why this new site wont allow it. I just need to launch this site and every time I post the url in my status update only text appears. I re sized the image to be 200px x 135px but that still doesn't work.. It can find the image but it wont show up. Please help me figure this thing out. I have a number of people sharing this page right now and no image shows up.. So embarrassing. Thank you in advance! The website is http://sosshapes.com

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• Flash AS3 - Scroll dynamic textfield to a specific part just like HTML anchor

  - by Aamir Mahmood

  Hi, We are building a flash website with cms at the back end, and we are allowing admin to put anchors inside a content. Later we created a smaller version of the whole content to display just a small part and then [read more] button. Which add a new layer on top of every thing acting like a popup and it is populated with complete content. Now we would like to scroll that text inside popup to that portion which [read more] button was clicked. The most common example inside HTMl is go to top link in footer on most of the sites which move the whole document to top. Happy codding.

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• Single SignOn - Best practice

  - by halfdan

  Hi Guys, I need to build a scalable single sign-on mechanism for multiple sites. Scenario: Central web application to register/manage account (Server in Europe) Several web applications that need to authenticate against my user database (Servers in US/Europe/Pacific region) I am using MySQL as database backend. The options I came up with are either replicating the user database across all servers (data security?) or allowing the servers to directly connect to my MySQL instance by explicitly allowing connections from their IPs in my.cnf (high load? single point of failure?). What would be the best way to provide a scalable and low-latency single sign-on for all web applications? In terms of data security would it be a good idea to replicate the user database across all web applications? Note: All web applications provide an API which users can use to embed widgets into their own websites. These widgets work through a token auth mechanism which will again need to authenticate against my user database.

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• Mobile Specific Site Development. Where to start?

  - by Andy

  I'm beginning the process of learning the ins and outs of developing sites for mobile web browsers. Are there any good resources/communities online that discuss mobile specific site development issues? My initial understanding is that to cover different phones you need to build one site that is enabled for browsers with the webkit engine (iphone, android, etc.) and another more basic site for other older browsers, is this assumption correct? Also what does developing for webkit mean exactly? How is it different than just using javascript/css/html? Is it the same except that you limit yourself to webkit specific functions and css? I looked on the webkit site, but it didn't explain it in those terms. Are there any other snafus I need to watch out for when developing for mobile browsers?

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