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• Limit only one session per user in ASP.NET

  - by ryudice

  Is there anyway to detect when a user logins if there is already another session with the same username, and block him from logging in again or send him a message?

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• Java action perfmored when text is enterd into a textarea

  - by adam08

  I'm wondering if someone can help me out. I'm entered a chacter into a text area from a button, and want to use the string entered into the textarea to retrieve words from a list. Bear in mind, there could be numerous characters entered. Is it possible for a text area to detect when text has been entered and to action it?

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• Delphi and Outlook TaskItem: How to know if DueDate is empty?

  - by Steve

  This seems like a no-brainer but I couldn't find anything on it. How do I detect if a date variant in Outlook is "empty"? For example TaskItem.DueDate - the duedate is not necessarily filled. If it's not filled Outlook returns "4501.01.01." - I can test for this value, but this just doesn't seem "elegant" enough. Thanks!

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• Emacs shell-command restart on crash

  - by Hamza Yerlikaya

  Is it possible to detect when a long running process started with shell-command crashes, so it can automatically be restarted? Without manually checking its buffer and restarting by hand.

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• javascript: browser size (width and height)

  - by dono

  I'm trying to detect the browser's current size (width and height). I know it's super easy in jquery with $(document).width and $document.height, but I don't want to add the size of the jquery lib to the project, so I'd rather just use built in javascript. What would be the short and efficient way to do the same thing with javascript?

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• Detecting if a file is binary or plain text?

  - by dr. evil

  How can I detect if a file is binary or a plain text? Basically my .NET app is processing batch files and extracting data however I don't want to process binary files. As a solution I'm thinking about analysing first X bytes of the file and if there are more unprintable characters than printable characters it should be binary. Is this the right way to do it? Is there nay better implementation for this task?

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• How to disable <a onclick> when the user holds control.

  - by alex

  Usually, when people click on a link, I have onclick bound to it. And then return false. When people click with "control", they expect a new page to open up. Therefore, I want to ignore the onclick AND/OR detect it. How do I do this?

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• Check excel file is open by other user

  - by Ankata

  Dear all, I have a excel file place on server. I am using a application which written by VB.NET to open file in read only mode. User 1 open file in read only mode. How can user 2 detect that file is open or not status? Thanks, An

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• zend one controller many views

  - by Sherif

  hi there when i build my web site it was handling only one interface but now i need to handle many interface i can detect which site to communicate and isolate it from other sites but i stuck with this : all the sites have the same views ... is there are a way so i can rander from the same controller different views .. something like application application controller model site_1_view site_2_view is this possible ??!!

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• Keyboard accessibility for divs containing images as options

  - by Casebash

  I just replaced a radio button for selecting the users mobile device with divs containing images instead. I am using a JQuery click event to detect when the user chooses an option. How can I make this keyboard accessible?

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• How to make flash file not downloadable?

  - by Nitz

  Hey friends, I want that my flash file on my website, can't be downloaded by anyone. Is there any way that i can do that? As Firefox and many browser has many add-ones which easily detect out flash content and after they can download the flash file?

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• Entity Framework. Noob question: How do you refresh the model when the db changes?

  - by George

  If you build the edmx file from the database and then the db changes, how do you get the model to pick up the change? Do you delete the whole model and regenerate or can you detect changes? I'm just starting out...

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• MAC OS X: How to determine if filesystem is case sensitive?

  - by trojanfoe

  I have used the statfs(2) system call to get many characteristics of a Mac OS X filesystem, but it doesn't tell me if the filesystem is case-sensitive or not. I need this information as the application I am developing will be moving many files around and I want to detect potential loss of data due to files being moved from a case-sensitive filesystem to a case-insensitive filesystem. Can anyone suggest a way of detecting this?

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• How to start math formulae in new line if bad boxed in latex ?

  - by Michal

  What sort of code should I put in preamble, such that every math fomula (in dolar signs) that is too long to fit in line width (a.k.a. produces Bad Box) start in new line (like putting // before equation) ? Or is it impossible to detect and prevent Bad Box in compiling ?

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• How do I run a script right after the head is loaded, but before the DOM?

  - by LLer

  Making a Google Chrome extension and need to run a script after the head is loaded, because there are scripts in the head and I need them to run. And before the DOM is loaded, because there's an inlined script in there that I need to beat. How would I do this? How do I detect when head loads?

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• JQUERY .each --- detecting if EACH finds 0

  - by nobosh

  I have the following: $("span.findme").each(function() { $("<li>").text($(this).text()).appendTo("ul"); }); How can I, using the above, detect if EACH finds 0, if it's 0 I want to trigger an alert. Thanks

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• Chrome: Detecting adthwart

  - by Mark

  adthwart blocks the .insertRule js from working in Chrome. How can I detect adthwart and ask to be added to its white list.

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• How to create a mobile friendly website [infrastructure]

  - by Grant

  Hi, if i wanted to create a mobile friendly version of a relatively small website would it be better to have a sub domain that redirects to a completely new url with sperate markup and styling or would it be better to detect the useragent in code and programatically change to a different mobile friendly stylesheet, or is their a better infrastructure based solution i am overlooking.. Thanks.

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• is the jQuery function "change()" working in IE ?

  - by Patrick

  is the jQuery function "change()" working in IE ? I usually use it to detect changes in forms (select/unselect check boxes), and submit them automatically without having to click on submit button (which is hided). i.e. $("#views-exposed-form-Portfolio-page-1").change(function(){ $("#views-exposed-form-Portfolio-page-1").submit(); }); But in Ie it doesn't work. It seems I have to use "click" instead. thanks

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• Profiler tool for web service

  - by Rotem

  Hi, I need a profiler that is able to measure performance of web service execition. Our application has several layers and ideally I would like to be able to dive into each web service request and see how much time was spent in each layer (server, sql server, etc...) Is there a tool that can help detect where are the bottlenecks ? Is that something that can be done using VS Team System Test Edition ?

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• iPhone: know programmatically is cookies are allowed or not

  - by AP

  Hello, I need for my app to have cookies enabled in Safari and I was wondering 2 things: - How to detect if cookies are allowed or not - How to allow cookies For the moment my googling was not really successful... Thanks for your help :)

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• continuously fetch data from database using JAVA

  - by deathcaller

  Hi all, I've a scenario where my java program has to continuously communicate with the database table, example my java program has to get the data of my table when new rows are added to it at runtime. There should be continuous communication between my program and database. if the table has 10 rows initially and 2 rows are added by the user, it must detect this and return the rows. My program shouldn't use AJAX and timers. Please Help.

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• codeIgnitor helper file problem wont see anchor function

  - by user369616

  Hi everyone im new to a PHP framework codeIgniter, I am going over the user guide iv ran in to a problem, I am on the part where you load helper file but for some reason my code just isnt working I keep getting this error: Fatal error: Call to undefined function anchor() in /home/fresherd/public_html/CI/system/application/views/blogview.php on line 17 now im not 100% sure that it is loading the helper file this could be causing the but I am not sure how to detect the file has been loaded any advice will help many thanks, Alan

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• backlight of windows mobile

  - by mk39

  Hi, How can I detect using c# if state of backlight is turn on or turn off? After specified time, backlight turn off in mobile. Thank you

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• jquery - why does $.ajax call the success handler when the request is aborted because my server is d

  - by Sam

  When I bring my server down and make an ajax request to it, firebug shows that the request is aborted a few seconds after making the request, and my success handler gets called. Why does the success handler get called, shouldn't it be the error handler? And how can I reliably detect that it wasn't actually a success?

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