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  • Asp.net session on browser close

    - by budugu
    Note: Cross posted from Vijay Kodali's Blog. Permalink How to capture logoff time when user closes browser? Or How to end user session when browser closed? These are some of the frequently asked questions in asp.net forums. In this post I'll show you how to do this when you're building an ASP.NET web application. Before we start, one fact: There is no full-proof technique to catch the browser close event for 100% of time. The trouble lies in the stateless nature of HTTP. The Web server is out of the picture as soon as it finishes sending the page content to the client. After that, all you can rely on is a client side script. Unfortunately, there is no reliable client side event for browser close. Solution: The first thing you need to do is create the web service. I've added web service and named it AsynchronousSave.asmx.    Make this web service accessible from Script, by setting class qualified with the ScriptServiceAttribute attribute...  Add a method (SaveLogOffTime) marked with [WebMethod] attribute. This method simply accepts UserId as a string variable and writes that value and logoff time to text file. But you can pass as many variables as required. You can then use this information for many purposes. To end user session, you can just call Session.Abandon() in the above web method. To enable web service to be called from page’s client side code, add script manager to page. Here i am adding to SessionTest.aspx page When the user closes the browser, onbeforeunload event fires on the client side. Our final step is adding a java script function to that event, which makes web service calls. The code is simple but effective My Code HTML:( SessionTest.aspx ) C#:( SessionTest.aspx.cs ) That’s’ it. Run the application and after browser close, open the text file to see the log off time. The above code works well in IE 7/8. If you have any questions, leave a comment.

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  • Asp.net session on browser close

    - by budugu
    Note: Cross posted from Vijay Kodali's Blog. Permalink How to capture logoff time when user closes browser? Or How to end user session when browser closed? These are some of the frequently asked questions in asp.net forums. In this post I'll show you how to do this when you're building an ASP.NET web application. Before we start, one fact: There is no full-proof technique to catch the browser close event for 100% of time. The trouble lies in the stateless nature of HTTP. The Web server is out of the picture as soon as it finishes sending the page content to the client. After that, all you can rely on is a client side script. Unfortunately, there is no reliable client side event for browser close. Solution: The first thing you need to do is create the web service. I've added web service and named it AsynchronousSave.asmx.    Make this web service accessible from Script, by setting class qualified with the ScriptServiceAttribute attribute...  Add a method (SaveLogOffTime) marked with [WebMethod] attribute. This method simply accepts UserId as a string variable and writes that value and logoff time to text file. But you can pass as many variables as required. You can then use this information for many purposes. To end user session, you can just call Session.Abandon() in the above web method. To enable web service to be called from page’s client side code, add script manager to page. Here i am adding to SessionTest.aspx page When the user closes the browser, onbeforeunload event fires on the client side. Our final step is adding a java script function to that event, which makes web service calls. The code is simple but effective My Code HTML:( SessionTest.aspx ) C#:( SessionTest.aspx.cs ) That’s’ it. Run the application and after browser close, open the text file to see the log off time. The above code works well in IE 7/8. If you have any questions, leave a comment.

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  • How to set a key combination as a browser toolbar shortcut?

    - by Ian Campbell
    For example, I so often clear my browser history with CTRL+SHIFT+DEL. While this is easy enough, I'd like to take it a step further and have a shortcut in my browser's toolbar that when clicked executes the above-mentioned key combination, something like this: Is this directly possible, or would it require creating a plugin? If it would require creating a plugin, how might that be done? p.s. — I'm using Firefox, but it would be awesome if there was a browser-independent solution.

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  • how to determine which of the installed chrome extensions are showing text-enhanced ads or are injecting new CSS class names?

    - by syedrakib
    I have three google users [personal, work, work] in my chrome on Mac OS X. The chrome for my personal account [not the other two chromes] has text-enhanced ads in every site i go to. It double-underlines some keywords on every page. On mouse hover I get an ad overlay from http[colon][slash][slash]intext.nav-links.com[slash] Upon right-clicking one of the text-enhanced keywords and going to 'inspect element', i see that the text has been wrapped around with a CSS classname called adtext. It even shows the .adtext CSS descriptions on the right. How do i determine from WHICH particular extension is this CSS classname being injected into my pages?

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  • Building Extensions Using E-Business Suite SDK for Java

    - by Sara Woodhull
    We’ve just released Version 2.0.1 of Oracle E-Business Suite SDK for Java.  This new version has several great enhancements added after I wrote about the first version of the SDK in 2010.  In addition to the AppsDataSource and Java Authentication and Authorization Service (JAAS) features that are in the first version, the Oracle E-Business Suite SDK for Java now provides: Session management APIs, so you can share session information with Oracle E-Business Suite Setup script for UNIX/Linux for AppsDataSource and JAAS on Oracle WebLogic Server APIs for Message Dictionary, User Profiles, and NLS Javadoc for the APIs (included with the patch) Enhanced documentation included with Note 974949.1 These features can be used with either Release 11i or Release 12.  References AppsDataSource, Java Authentication and Authorization Service, and Utilities for Oracle E-Business Suite (Note 974949.1) FAQ for Integration of Oracle E-Business Suite and Oracle Application Development Framework (ADF) Applications (Doc ID 1296491.1) What's new in those references? Note 974949.1 is the place to look for the latest information as we come out with new versions of the SDK.  The patch number changes for each release.  Version 2.0.1 is contained in Patch 13882058, which is for both Release 11i and Release 12.  Note 974949.1 includes the following topics: Applying the latest patch Using Oracle E-Business Suite Data Sources Oracle E-Business Suite Implementation of Java Authentication and Authorization Service (JAAS) Utilities Error loggingSession management  Message Dictionary User profiles Navigation to External Applications Java EE Session Management Tutorial For those of you using the SDK with Oracle ADF, besides some Oracle ADF-specific documentation in Note 974949.1, we also updated the ADF Integration FAQ as well. EBS SDK for Java Use Cases The uses of the Oracle E-Business Suite SDK for Java fall into two general scenarios for integrating external applications with Oracle E-Business Suite: Application sharing a session with Oracle E-Business Suite Independent application (not shared session) With an independent application, the external application accesses Oracle E-Business  Suite data and server-side APIs, but it has a completely separate user interface. The external application may also launch pages from the Oracle E-Business Suite home page, but after the initial launch there is no further communication with the Oracle E-Business Suite user interface. Shared session integration means that the external application uses an Oracle E-Business Suite session (ICX session), shares session context information with Oracle E-Business Suite, and accesses Oracle E-Business Suite data. The external application may also launch pages from the Oracle E-Business Suite home page, or regions or pages from the external application may be embedded as regions within Oracle Application Framework pages. Both shared session applications and independent applications use the AppsDataSource feature of the Oracle E-Business Suite SDK for Java. Independent applications may also use the Java Authentication and Authorization (JAAS) and logging features of the SDK. Applications that are sharing the Oracle E-Business Suite session use the session management feature (instead of the JAAS feature), and they may also use the logging, profiles, and Message Dictionary features of the SDK.  The session management APIs allow you to create, retrieve, validate and cancel an Oracle E-Business Suite session (ICX session) from your external application.  Session information and context can travel back and forth between Oracle E-Business Suite and your application, allowing you to share session context information across applications. Note: Generally you would use the Java Authentication and Authorization (JAAS) feature of the SDK or the session management feature, but not both together. Send us your feedback Since the Oracle E-Business Suite SDK for Java is still pretty new, we’d like to know about who is using it and what you are trying to do with it.  We’d like to get this type of information: customer name and brief use case configuration and technologies (Oracle WebLogic Server or OC4J, plain Java, ADF, SOA Suite, and so on) project status (proof of concept, development, production) any other feedback you have about the SDK You can send me your feedback directly at Sara dot Woodhull at Oracle dot com, or you can leave it in the comments below.  Please keep in mind that we cannot answer support questions, so if you are having specific issues, please log a service request with Oracle Support. Happy coding! Related Articles New Whitepaper: Extending E-Business Suite 12.1.3 using Oracle Application Express To Customize or Not to Customize? New Whitepaper: Upgrading your Customizations to Oracle E-Business Suite Release 12 ATG Live Webcast: Upgrading your EBS 11i Customizations to Release 12

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  • VirtualBox 4.0 Rocks Extensions and a Simplified GUI

    - by Jason Fitzpatrick
    If you’re a fan of VirtualBox you’ll definitely want to grab the new 4.0 update; it comes packed with an extension manager, a fresh and user-friendly GUI, live virtual machine previews, and more. Check out our screenshot tour for a closer look. Latest Features How-To Geek ETC How to Use the Avira Rescue CD to Clean Your Infected PC The Complete List of iPad Tips, Tricks, and Tutorials Is Your Desktop Printer More Expensive Than Printing Services? 20 OS X Keyboard Shortcuts You Might Not Know HTG Explains: Which Linux File System Should You Choose? HTG Explains: Why Does Photo Paper Improve Print Quality? Sunset in a Tropical Paradise Wallpaper Natural Wood Grain Icons for Your Desktop and App Launcher Docks My Blackberry Is Not Working! The Apple Too?! [Funny Video] Hidden Tracks Your Stolen Mac; Free Until End of January Why the Other Checkout Line Always Moves Faster World of Warcraft Theme for Windows 7

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  • Strict Pomodoro and other time management Chrome extensions

    - by kerry
    I have recently begun using the Pomodoro Technique to increase my productivity. However, I still find myself getting sucked in to the vortex of useless information that is the internet. With that in mind I began searching for a useful chrome extension to replace the Android Pomodoro app I have been using to manage my ‘doros. I even considered writing it myself. Luckily, I stumbled on one that had a similar featureset to what I was looking for. Strict Pomodoro is an excellent Chrome extension for practicing Pomodoro. Though lacking a few key features, such as the ability to set the duration of your pomodoros and breaks, it still has a key feature that helps me stay on task. It blocks time sucking websites. You can set filter lists and it will keep you from accessing them during a Pomodoro. Effectively reminding you to stay on task. Also, the author readily admits that it was quickly put together and new features may be added down the road. For now, it is still an excellent option. For those of you who do not practice Pomodoro but are trying to stay on task. The StayFocusd extension will effectively manage the amount of time you spend on useless (non-productive) sites. It also has a rich feature set that may be better for your work habits. OK, breaks over. Time to get back to work. 25 minutes at a time.

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  • Enumerating the Future With Reactive Extensions

    Iterating over a collection of items seems like a pretty straightforward mundane concept. I dont know about you, but I dont spend the typical day thinking about the mechanics of iteration, much like I dont spend a lot of time thinking about how a roll of toilet paper is made. At least I didnt until watching Elmo Potty Time with my son. Now I think about it all the time, but I digress. Historically, Ive always thought of iteration as an action over a static set of items. You have this collection...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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  • Stop bots from crawling old links with extensions

    - by Jared
    I've recently switched to MVC3 which is extension-less for the URL's, but Google and Bing have a wealth of links that they are crawling which no longer exist. So I'm trying to find out if there is a way to format robots.txt (or by some other method) to tell google/bing that any link that ends in an extension isn't a valid link... Is this possible? On pages that I'm concerned about a User having saved as a fav I'm displaying a 404 page that lists the links to take once they are redirected to the new page (I decided to not just redirect them as I don't want to maintain these forever). For Google/Bing sake I do have the canonical tag in the header. User-agent: * Allow: / Disallow: /*.* EDIT: I just added the 3rd line (in text above) and it APPEARS to do what I'm wanting. Allow a path, but disallow a file. Can anyone confirm this?

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  • chromium-browser --proxy-server debugging

    - by user3678068
    Many places online have pointed out to configure chromium proxy via command can be achieve with the following line chromium-browser --proxy-server=[username]:[password]@[host]:[port] but I got this result on every request. Here's the output in the command line right after executing the previous command. (They do not appear to be relevant. There are no new command line output when I try to visit a page) libGL error: failed to authenticate magic 30 libGL error: failed to load driver: vboxvideo ATTENTION: default value of option force_s3tc_enable overridden by environment. [29551:29551:0606/160459:ERROR:sandbox_linux.cc(268)] InitializeSandbox() called with multiple threads in process gpu-process I have double checked that the proxy credential works with the foxyproxy chrome plugin. What else can I try to figure this out? [Edit] Going to chrome://net-internals/#proxy and reading "Effective proxy settings" if I do chromium-browser with no flags, I get Use DIRECT connections. Source: GSETTINGS if chromium-browser --proxy-server=[host]:[port], I get a message box requesting to login, and under "Effective proxy settings": Proxy server: [host]:[port] if chromium-browser --proxy-server=[user]:[pass]@[host]:[port], "Effective proxy settings" shows: Use DIRECT connections

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  • Use Your Web Browser As A Calculator

    - by Gopinath
    Quite often most of us require Calculator application to evaluate percentage calculations, divisions,etc. Whenever I needed a calculator application I launch Windows Calculator application as it’s built into each and every version of Windows I use.  But the moment I learn that almost all the web browsers have a built in calculator, I stopped using Windows Calculator.  Google Search Box – Every Browser’s Built In Calculator Google Search Box is the built in calculator of every web browser. The search box is capable of evaluation simple expressions like 20/50+10 as well as complex arithmetic formulas that include functions like sin, cos, tan,etc. Almost every web browser has Google Search box by default, if not you can install it very quickly. In Google Chrome browser, Google Search box is built in right inside the address bar. In Firefox & Internet Explorer you can locate it on the top right corner.    To perform calculations, why to launch Calculator when we have a web browser open on our desktop most of the time? Join us on Facebook to read all our stories right inside your Facebook news feed.

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  • MEF, IServiceProvider and Testing Visual Studio Extensions

    - by Daniel Cazzulino
    In the latest and greatest version of Visual Studio, MEF plays a critical role, one that makes extending VS much more fun than it ever was. So typically, you just [Export] something, and then someone [Import]s it and that's it. MEF in all its glory kicks in and gets all your dependencies satisfied. Cool, you say, so let's now import ITextTemplating and have some T4-based codegen going! Ah, if only it was that easy. Turns out by default, none of the VS built-in services are exposed to MEF, apparently because there wasn't enough time to analyze the lifetime, initialization, dependencies, etc. for each one before launch, which makes perfect sense. You don't want to blindly export everything now just in case. There's also the whole VS package initialization thing which in this version of VS is not so transparently integrated with the MEF publishing side (i.e. a MEF export from a package can get instantiated before its owning package, and in fact, the package can remain unloaded forever and the export will continue to be visible to anyone)....Read full article

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  • How to download Firefox extensions from addons.mozilla.org without installing them?

    - by kjo
    Pages at the https://addons.mozilla.org/en-US/firefox site often feature buttons that say "Add to Firefox". Clicking on such a button causes a Firefox extension to be downloaded and installed. I am looking for a convenient way to limit this action to the download step only, so that in the end I am left with the downloaded *.xpi file in my disk. Thanks! P.S. The following approach is not only inconvenient: it doesn't work!. Inspect the HTML for the button, and extract a URL like https://addons.mozilla.org/firefox/downloads/latest/1234/addon-1234-latest.xpi?src=search give or take the stuff after .xpi. at the command-line prompt, download this URL with wget or curl. This download attempt just hangs. (Even if it didn't, I'd like to find a less cumbersome approach.)

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  • Keyboard doesn't work with Tor Browser

    - by marijo
    I use the actual Tor Browser 2.3.25-14 and Ubuntu 13.10 (Saucy Salamander). I start Tor in the command-line window (./start-tor-browser). The cable less keyboard and mouse (Logitech) are working, the Vidalia control panel opens, after having connected to the Tor network, the Tor Browser window (Firefox) opens automatically. The onion is green, everything ok. But the keyboard doesn't work in the Tor Browser window, the mouse, yes, does work. When I close Tor with the Vidalia control panel and open another application, the keyboard works again. Is there somebody who can help me or at least understands the problem? Thanks a lot!

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  • SQL ADO.NET shortcut extensions (old school!)

    - by Jeff
    As much as I love me some ORM's (I've used LINQ to SQL quite a bit, and for the MSDN/TechNet Profile and Forums we're using NHibernate more and more), there are times when it's appropriate, and in some ways more simple, to just throw up so old school ADO.NET connections, commands, readers and such. It still feels like a pain though to new up all the stuff, make sure it's closed, blah blah blah. It's pretty much the least favorite task of writing data access code. To minimize the pain, I have a set of extension methods that I like to use that drastically reduce the code you have to write. Here they are... public static void Using(this SqlConnection connection, Action<SqlConnection> action) {     connection.Open();     action(connection);     connection.Close(); } public static SqlCommand Command(this SqlConnection connection, string sql){    var command = new SqlCommand(sql, connection);    return command;}public static SqlCommand AddParameter(this SqlCommand command, string parameterName, object value){    command.Parameters.AddWithValue(parameterName, value);    return command;}public static object ExecuteAndReturnIdentity(this SqlCommand command){    if (command.Connection == null)        throw new Exception("SqlCommand has no connection.");    command.ExecuteNonQuery();    command.Parameters.Clear();    command.CommandText = "SELECT @@IDENTITY";    var result = command.ExecuteScalar();    return result;}public static SqlDataReader ReadOne(this SqlDataReader reader, Action<SqlDataReader> action){    if (reader.Read())        action(reader);    reader.Close();    return reader;}public static SqlDataReader ReadAll(this SqlDataReader reader, Action<SqlDataReader> action){    while (reader.Read())        action(reader);    reader.Close();    return reader;} It has been awhile since I've really revisited these, so you will likely find opportunity for further optimization. The bottom line here is that you can chain together a bunch of these methods to make a much more concise database call, in terms of the code on your screen, anyway. Here are some examples: public Dictionary<string, string> Get(){    var dictionary = new Dictionary<string, string>();    _sqlHelper.GetConnection().Using(connection =>        connection.Command("SELECT Setting, [Value] FROM Settings")            .ExecuteReader()            .ReadAll(r => dictionary.Add(r.GetString(0), r.GetString(1))));    return dictionary;} or... public void ChangeName(User user, string newName){    _sqlHelper.GetConnection().Using(connection =>         connection.Command("UPDATE Users SET Name = @Name WHERE UserID = @UserID")            .AddParameter("@Name", newName)            .AddParameter("@UserID", user.UserID)            .ExecuteNonQuery());} The _sqlHelper.GetConnection() is just some other code that gets a connection object for you. You might have an even cleaner way to take that step out entirely. This looks more fluent, and the real magic sauce for me is the reader bits where you can put any kind of arbitrary method in there to iterate over the results.

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  • Handy Javascript array Extensions &ndash; distinct()

    - by Liam McLennan
    The following code adds a method to javascript arrays that returns a distinct list of values. Array.prototype.distinct = function() { var derivedArray = []; for (var i = 0; i < this.length; i += 1) { if (!derivedArray.contains(this[i])) { derivedArray.push(this[i]) } } return derivedArray; }; and to demonstrate: alert([1,1,1,2,2,22,3,4,5,6,7,5,4].distinct().join(',')); This produces 1,2,22,3,4,5,6,7

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