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  • What's Your Web Page Speed?

    A web page speed is also referred to as the "page-load time". It is simply the amount of time that it takes for the pages of your website to load or become visible, once a user requests them.

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  • Avoiding background and main menu reloads (white flash) when users navigate my site?

    - by gus
    Not a major problem, but I would like to understand more about how some websites can serve different pages to a navigating user, such that the browser doesn't visibly pass through a blank white page. Whereas some sites cause the browser to display the white page for up to a few seconds. I can imagine this is partly due to network latency, but are there any other factors? Can I cause the background image / color not to flash white?

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  • Set up USB for Virtualbox

    - by kst
    I'm using Ubuntu Maverick and Virtual Box 3+ and I installed Window 7 Ultimate Editon. The problem is that it doesn't detect USB drives on Window 7 but USB peripherals (mouse + keybord) are working. I followed this instruction, but I can't find the user group vboxusers. How can I continue? I would also like to upgrade to the latest version without any risk (without losing my virtual hard disk drive).

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  • Get started with Omnis Studio

    <b>Linux User and Developer:</b> "Omnis Studio is a cross-platform (Windows, Mac and Linux) Rapid Application Development tool. It allows you to quickly build applications using a combination of graphical elements as well as a code editor."

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  • how does private sales ecommerce site work on their SEO?

    - by 142857
    In a private sales ecommerce site, users need to sign up/in before they can access the pages of website. So, even if a user tries to directly navigate to a product page, he is redirected to sign in. I am wondering then how does these sites manage their SEO, as it would imply google too can't crawl these pages, or do they completely ignore the SEO benefit of allowing google to crawl the product and catalogue pages?

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  • Nautilus could not create the following required folders

    - by babak
    I have changed my username and when I did this,I can not log in with my new user and this error comes in the screen: nautilus could not create the following required folders: /home/"last username"/desktop and /home/'last username'/.nautilus .Also when I press CTRL+ALT+F6 for the command line I can not login with my new username. Although I have still access to Linux by root. My Ubuntu version is 11.04 .

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  • Help connecting to Windows Shares on 2003/2008 server Ubuntu 12.04

    - by Murphy1138
    Can anyone help me , I'm really struggling to connect to Windows shares via Nautilus using the Connect to server command - anyone know the correct Syntax to use for user names and domain names or work groups? Its driving me nuts, I would fully use Ubuntu for work if I could make it connect to my Windows 2003/2008/ Windows 7 shares/ File servers seamlessly. How do you do it? I have been googling my a$%S off but can't work it out I have no issues with SSH or FTP

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  • Include latest searches in search engines index

    - by drcelus
    My websites generally include a page with the (user input) latest searches. I know it's not a good security practice to allow this since you can find undesired content. On the other hand it boosts the number of pages indexed since every new search can provide a link on google and people can find you with related keywords that you are not using on your web page. What is the rationale behinf including or excludingthis results in search engines index ?

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  • How to store multiple requirements with OR and AND?

    - by Cano
    Well I'm working on a personal project that needs to check if a user has met certain requirements, and they come in a form of Requirement: [c1 OR c2] AND [d1 OR d2] Requirement: [c1 AND c2] OR [d1 AND d2] Requirement: c1 AND any dn(n can be any integer) I'm just not sure how to store these sorts of requirements, I'm thinking of using another object to hold c1,c2,d1,d2....dn and OR, but that seems like a roundabout way of doing things. Is there a better method?

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  • Best language on Linux to replace manual tasks that use SSH/Telnet? [on hold]

    - by Calab
    I've been tasked to create and maintain a web browser based interface to replace several of the manual tasks that we perform now. I currently have a "shakey" but working program written in Perl (2779 lines) that uses basic Expect coding, but it has some limitations that require a great deal of coding to get around. Because of this I am going to do a complete rewrite and want to do it "right" this time. My question is this... What would be the best language to use to create a web based interface to perform SSH/Telnet tasks that we would normally do manually? Keep in mind the following requirements: Runs on a CentOS Linux system v5.10 Http will be served by Apache2 This is an INTRANET site and only accessible within our organization. User load will be light. No more that 5 users accessing it at one time. perl 5.8.8, php 5.3.3, python 2.7.2 are available... Not sure what other languages to check for, or what modules might be installed in each language. The web interface will need to provide progress indicators and text output produced by the remote connection, in real time as it is generated. If we are running our process on multiple hosts, they should be in individual threads so that they can run side by side, not sequentially. I want the ability to "trap" on specific text generated by the remote host and display an alert to the user - such as when the remote host generates an error message. I would like to avoid as much client side scripting (javascript/vbscript) as I can. Most users will be on Windows PC's using Chrome or IE as a browser. Users will be downloading the resulting output so they can process it as they see fit. I currently have no experience with "Ajax" or the like. Most of my coding experience is old 6809 assembly, Visual Basic 6, and whatever I can cut/paste from online examples in various languages (hence my "shaky" Perl program) My coding environment is Eclipse for remote code editing, but I prefer stuff like UltraEdit if I can get a decent syntax file for the language I'm using. I do have su access on the server, but I'm not the only one using this server so I can't just upgrade/install blindly as I might impact other software currently running on the machine. One reason that I'm asking here, instead of searching (which I did) is that most replies were, "use language 'xyz', but you need to use an external SSH connection" - like I'm using Expect in my Perl script. Most also did not agree on what language that 'xyz' should be. ...so, after this long posting, can someone offer some advice?

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  • login problem for 13.10, my username does not appear

    - by Anand
    After upgrading my Ubuntu to the newest version 13.10, in the login interface, my account does not appear. I can login the guest session. There is also a remote login. I have no place to input my username to login my account. Does anyone have the same problem? ----EDIT---- Here is the file lightdm.conf [SeatDefaults] greeter-session=unity-greeter user-session=ubuntu ----EDIT TWO--- Here is the official bug report: https://bugs.launchpad.net/ubuntu/+source/unity-greeter/+bug/1235785

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  • ASP.NET AJAX MultiHandleSliderExtender - Slide by Year and Month

    In this tutorial, I will demonstrate how to use the MultiHandleSlider extender to select and display both the year and the month in a range. This control eliminates the need to use four DropDownlist controls to hold the range values and the need for a validation control. Then we will use the Column Chart to display number of cars on Sesame Street based on the selected range values. This chart allows the user to drill down into the details for the selected car brands.

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  • Help with MVC design pattern?

    - by user3681240
    I am trying to build a java program for user login but I am not sure if my MVC design is accurate. I have the following classes: LoginControl - servlet LoginBean - data holder java class with private variables getters and setters LoginDAO - concrete java class where I am running my SQL queries and doing rest of the logical work. Connection class - java class just to connect to the database view - jsp to display the results html - used for form Is this how you design a java program based on MVC design pattern? Please provide some suggestions?

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  • Cross-Cultural Design (great video from HFI) - #usableapps #UX #L10n

    - by ultan o'broin
    Great video from HFI Animate, featuring user-centered design for emerging markets called Cross Cultural Design: Getting It Right the First Time. Cross Cultural Design: Getting It Right the First Time Apala Lahiri Chavan talks about the issues involved in designing solutions for Africa, India, China and more markets! Design for the local customer's ecosystem - and their feelings! Timely reminder of the important of global and local research in UX!

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  • Problem with bluetooth in Ubuntu 12.10

    - by Adipta Datta
    I am a new user of Ubuntu and I am really fascinated by its performance. Coming to the question, I am facing some problems with the bluetooth connection. When I connect my mobile with the computer through bluetooth, and then click on 'Browse Device', the phone folder opens, but after 1 second, the folder gets closed by itself. But I am able to connect the internet through my phone. Can anyone help me?

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  • Silverlight 4 Twitter Client &ndash; Part 3

    - by Max
    Finally Silverlight 4 RC is released and also that Windows 7 Phone Series will rely heavily on Silverlight platform for apps platform. its a really good news for Silverlight developers and designers. More information on this here. You can use SL 4 RC with VS 2010. SL 4 RC does not come with VS 2010, you need to download it separately and install it. So for the next part, be ready with VS 2010 and SL4 RC, we will start using them and not With this momentum, let us go to the next part of our twitter client tutorial. This tutorial will cover setting your status in Twitter and also retrieving your 1) As everything in Silverlight is asynchronous, we need to have some visual representation showing that something is going on in the background. So what I did was to create a progress bar with indeterminate animation. The XAML is here below. <ProgressBar Maximum="100" Width="300" Height="50" Margin="20" Visibility="Collapsed" IsIndeterminate="True" Name="progressBar1" VerticalAlignment="Center" HorizontalAlignment="Center" /> 2) I will be toggling this progress bar to show the background work. So I thought of writing this small method, which I use to toggle the visibility of this progress bar. Just pass a bool to this method and this will toggle it based on its current visibility status. public void toggleProgressBar(bool Option){ if (Option) { if (progressBar1.Visibility == System.Windows.Visibility.Collapsed) progressBar1.Visibility = System.Windows.Visibility.Visible; } else { if (progressBar1.Visibility == System.Windows.Visibility.Visible) progressBar1.Visibility = System.Windows.Visibility.Collapsed; }} 3) Now let us create a grid to hold a textbox and a update button. The XAML will look like something below <Grid HorizontalAlignment="Center"> <Grid.RowDefinitions> <RowDefinition Height="50"></RowDefinition> </Grid.RowDefinitions> <Grid.ColumnDefinitions> <ColumnDefinition Width="400"></ColumnDefinition> <ColumnDefinition Width="200"></ColumnDefinition> </Grid.ColumnDefinitions> <TextBox Name="TwitterStatus" Width="380" Height="50"></TextBox> <Button Name="UpdateStatus" Content="Update" Grid.Row="1" Grid.Column="2" Width="200" Height="50" Click="UpdateStatus_Click"></Button></Grid> 4) The click handler for this update button will be again using the Web Client to post values. Posting values using Web Client. The code is: private void UpdateStatus_Click(object sender, RoutedEventArgs e){ toggleProgressBar(true); string statusupdate = "status=" + TwitterStatus.Text; WebRequest.RegisterPrefix("https://", System.Net.Browser.WebRequestCreator.ClientHttp);  WebClient myService = new WebClient(); myService.AllowReadStreamBuffering = true; myService.UseDefaultCredentials = false; myService.Credentials = new NetworkCredential(GlobalVariable.getUserName(), GlobalVariable.getPassword());  myService.UploadStringCompleted += new UploadStringCompletedEventHandler(myService_UploadStringCompleted); myService.UploadStringAsync(new Uri("https://twitter.com/statuses/update.xml"), statusupdate);  this.Dispatcher.BeginInvoke(() => ClearTextBoxValue());} 5) In the above code, we have a event handler which will be fired on this request is completed – !! Remember SL is Asynch !! So in the myService_UploadStringCompleted, we will just toggle the progress bar and change some status text to say that its done. The code for this will be StatusMessage is just another textblock conveniently positioned in the page.  void myService_UploadStringCompleted(object sender, UploadStringCompletedEventArgs e){ if (e.Error != null) { StatusMessage.Text = "Status Update Failed: " + e.Error.Message.ToString(); } else { toggleProgressBar(false); TwitterCredentialsSubmit(); }} 6) Now let us look at fetching the friends updates of the logged in user and displaying it in a datagrid. So just define a data grid and set its autogenerate columns as true. 7) Let us first create a data structure for use with fetching the friends timeline. The code is something like below: namespace MaxTwitter.Classes{ public class Status { public Status() {} public string ID { get; set; } public string Text { get; set; } public string Source { get; set; } public string UserID { get; set; } public string UserName { get; set; } }} You can add as many fields as you want, for the list of fields, have a look at here. It will ask for your Twitter username and password, just provide them and this will display the xml file. Go through them pick and choose your desired fields and include in your Data Structure. 8) Now the web client request for this is similar to the one we saw in step 4. Just change the uri in the last but one step to https://twitter.com/statuses/friends_timeline.xml Be sure to change the event handler to something else and within that we will use XLINQ to fetch the required details for us. Now let us how this event handler fetches details. public void parseXML(string text){ XDocument xdoc; if(text.Length> 0) xdoc = XDocument.Parse(text); else xdoc = XDocument.Parse(@"I USED MY OWN LOCAL COPY OF XML FILE HERE FOR OFFLINE TESTING"); statusList = new List<Status>(); statusList = (from status in xdoc.Descendants("status") select new Status { ID = status.Element("id").Value, Text = status.Element("text").Value, Source = status.Element("source").Value, UserID = status.Element("user").Element("id").Value, UserName = status.Element("user").Element("screen_name").Value, }).ToList(); //MessageBox.Show(text); //this.Dispatcher.BeginInvoke(() => CallDatabindMethod(StatusCollection)); //MessageBox.Show(statusList.Count.ToString()); DataGridStatus.ItemsSource = statusList; StatusMessage.Text = "Datagrid refreshed."; toggleProgressBar(false);} in the event handler, we call this method with e.Result.ToString() Parsing XML files using LINQ is super cool, I love it.   I am stopping it here for  this post. Will post the completed files in next post, as I’ve worked on a few more features in this page and don’t want to confuse you. See you soon in my next post where will play with Twitter lists. Have a nice day! Technorati Tags: Silverlight,LINQ,XLINQ,Twitter API,Twitter,Network Credentials

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  • From Access to Outlook

    Sending emails from Access is popular but so is creating appointments, tasks and contacts. The ability to read and process Outlook emails is also very useful, as is the ability to extract names and emails from the user's contact list. That's the topic covered in this and next month's articles.

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  • How to download an MP3 or ZIP file onto mobile devices

    - by Hope4You
    I want to be able to download digital goods to smartphone users (music in format .mp3 or .zip). But iPhone and iPad do not allow direct forced downloads. How can I provide mobile users with digital downloads? I use PHP. The only way I can think of to do this is to use the Dropbox Web API to transfer files to the user's Dropbox account, which then synchronizes with their mobile device. Any other suggestions would be appreciated.

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  • Page views in Google Analytics are off compared to a similar metric

    - by tiki16
    We have a page where a user can sign a pledge to recycle by clicking a pledge button. A script writes it to a text file which updates the number on the page. In the past 2 days there have been 185 pledges signed but only 63 page views in GA. I trust that they are unique pledges and not just people adding multiple fake names and entering it. Is there anyway to get a better report from Google Analytics?

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  • SEO - How to Optimise For Long-Tail Queries

    There is a great deal of value in the long-tail of search. The long-tail is basically a query that is over three or four keywords long. Good examples of long-tail queries include "cheap flights to Japan May" or "buy back doors UK." Both of these terms exhibit a great deal of user intent - this means the users behind both terms are very far down the buying cycle and are looking for a website on which they can transact and buy a flight to Japan or purchase a back door.

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  • Web Analytics For Your Website

    The process of analyzing, gathering and measuring the behavior and activity of every user on different websites is termed as web analytics. Although it sounds like some complex configuration, it is of great use to amateur retailers and web page developers.

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  • ExplorerCanvas and JQuery

    - by PhubarBaz
    I am working on a Javascript app (CloudGraph) that uses HTML5 canvas and JQuery. I'm using ExplorerCanvas to support canvas in IE. I recently came across an interesting problem. What I was trying to do is restore the user's settings when the page is loaded. I read some information from a cookie that I set the last time the user accessed the application. One of these settings is the size of the canvas. I decided that the best place to do this would be when the document is ready using JQuery $(document).ready(). This worked fine in browsers that natively support the canvas element. But in IE it kept getting errors the first time I would hit the page. It seemed that the excanvas element wasn't initialized yet because I was getting null reference and unknown properties errors. If I refreshed the page the errors went away but the resized canvas wasn't drawing on the entire area of the canvas. It was like the clipping rectangle was still set to the default canvas size. I found that the canvas element when using excanvas has a div child element which is where the actual drawing takes place. When I changed the width and height of the canvas element in document.ready it didn't change the width and height of the child div. Initially my solution was to also change the div element when changing the canvas element and that worked. But then I realized that having to refresh the page every time I started the app in IE really sucked. That wouldn't be acceptable for users. Since it seemed like the canvas wasn't getting initialized before I was trying to use it I decided to try to initialize my app at a different time. I figured the next best place was in the onload event. Sure enough, moving my initialization to onload fixed all of the problems. So, it looks like the canvas shouldn't be manipulated until the onload event when using ExplorerCanvas. There might be ways to do it when the document is ready. I found some posts on initializing excanvas manually, but for me waiting until onload worked just fine.

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