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• Choosing approach for an IM client-server app

  - by John

  Update: totally re-wrote this to be more succint. I'm looking at a new application, one part of which will be very similar to standard IM clients, i.e text chat, ability to send attachments, maybe some real-time interaction like a multi-user whiteboard. It will be client-server, i.e all traffic goes through my central server. That means if I want to support cross-communication with other IM systems, I am still free to pick any protocol for my own client<--server communication - my server can use XMPP or whatever to talk to other systems. Clients are expected to include desktop apps, but probably also browser-based as well either through Flex/Silverlight or HTML/AJAX. I see 3 options for my own client-server communication layer: XMPP. The benefits are clients already exist as do open-source servers. However it requires the most up-front research/learning and also appears like it might raise legal issues due to GPL. Custom sockets. A server app makes connections with the clients, allowing any text/binary data to be sent very fast. However this approach requires building said server from scratch, and also makes a JS client tricky Servlets (or similar web server). Using tried and tested Java web-stack, clients send HTTP requests similar to AJAX-based websites. The benefit is the server is easy to write using well-established technologies, and easy to talk to. But what restrictions would this bring? Is it appropriate technology for real-time communication? Advice and suggests are welcome, especially what pros and cons surround using a web-server approach as compared to a socket-based approach.

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• Extremely Difficult Problem with ASP.Net 4.0 WebForms app using Routing

  - by dudeNumber4

  I have a completed app running in a QA environment. Everything works fine under most circumstances. If you hit a plain URL (no identifying information in the URL), you see an intro page with a button (generated by an asp LinkButton control) that posts back and directs you to another page. The markup looks the same when it fails and when it doesn't. When such a URL is followed from, e.g., Word and the default browser is IE, the intro page loads fine, but clicking the button causes an error. When not debugging, this behavior occurs every time. While debugging, the error occurs only ~ 1 in 10 times (closing the browser instance and starting over every time). When the error occurs, the intro page Page_Load fires and IsPostBack is false. Somehow, instead of a post, a get is being issued. When I run fiddler to try to analyze the actual calls (can't use firebug because it never happens using Firefox), everything works every time. I don't know whether this issue has anything to do with routing, and I've no idea even what to look at next. The strange thing is, when I debug, the intro page doesn't fully load every time. Only about 1 in 3 times does it fully load even if I've just cleared browser cache. When I run it through fiddler, it fully loads and works fine every time.

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• JQuery quiz app - use <id> tag to toggle variable on/off

  - by hairyllama

  Hi, I am writing a jquery phonegap quiz app and have a number of categories from which a user can select via checkbox. Relevant questions belonging to those categories are then returned. However, I have two huge switch statements to change the relevant variables from 0 to 1 if the checkbox for that category is selected and vice versa (this info is used to build a compound db query). The value of the variable behind the checkbox is only ever 0 or 1, so is there a better way to do this? My HTML is: <h2>Categories</h2> <ul class="rounded"> <li>Cardiology<span class="toggle"><input type="checkbox" id="cardiology" /></span></li> <li>Respiratory<span class="toggle"><input type="checkbox" id="respiratory" /></span></li> <li>Gastrointestinal<span class="toggle"><input type="checkbox" id="gastrointestinal" /></span></li> <li>Neurology<span class="toggle"><input type="checkbox" id="neurology" /></span></li> </ul> My Javascript is along the lines of: var toggle_cardiology = 0; var toggle_respiratory = 0; var toggle_gastrointestinal = 0; var toggle_neurology = 0; $(function() { $('input[type="checkbox"]').bind('click',function() { if($(this).is(':checked')) { switch (this.id) { case "cardiology": toggle_cardiology = 1; break; case "respiratory": toggle_respiratory = 1; break; case "gastrointestinal": toggle_gastrointestinal = 1; break; case "neurology": toggle_neurology = 1; break; etc. (which is cumbersome with 10+ categories plus an else statement with a switch to change them back) I'm thinking of something along the lines of concatenating the HTML id tag onto the "toggle_" prefix - in pseudocode: if (toggle_ + this.id == 1){ toggle_ + this.id == 0} if (toggle_ + this.id == 0){ toggle_ + this.id == 1} Thanks, Nick.

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• Android designing an app to keep me logged into a wifi access point

  - by MrGibbage

  At the gym where I work out, they have an open wifi access point. The way it is set up, once you "connect", you have to navigate to a web page (it is a 1.1.X.X ip address) and click the "I agree" button, after presumably reading the user agreement. The problem is, they have it set up to log you out once an hour, which always happens in the middle of my workout. I have the SSID remembered, so it connects automatically when I come in range, but I get an android notification that further action is needed to fully connect. What I was wondering is if there a work around so that I don't have to click-through every hour? I was thinking of writing an app that could detect when I was in range, or when "half-connected", and then have it somehow complete the registration process. Perhaps this will have to be done by loading the web page in memory and then somehow clicking the "I agree" button. What I would like help with is: 1) what is the terminology involved here? What state is the connection in when I am connected, but I haven't clicked through? What other connection states may apply? If I knew that, I might just be able to research this and come up with a solution. Are these different states "detectable"? It seems like it is since I get a notification that I need to complete the registration process when I am "half-connected". 2) I know there are plugins for desktop browsers that can click buttons (like the keepass plugins, which will log you into a site). How could I replicate this in Android? Ideally I would like to do it internally, in memory, rather than firing up a browser. Possible? Comments? Is my understanding and thought process sound here, or am I overlooking something?

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• inserting facebook app users details to database

  - by fusion

  i'm trying to insert user details, who authorize the app, into the database, but nothing seems to be happening. the data is null and no record is being inserted. is there something wrong with the code? function insertUser($user_id,$sk,$conn) { //$info = $facebook->api_client->users_getInfo($user_id, 'first_name, last_name', 'name', 'sex'); $info = $facebook->api_client->fql_query("SELECT uid, first_name, last_name, name, sex FROM user WHERE uid = $user_id"); for ($i=0; $i < count($info); $i++) { $record = $info[$i]; $first_name=$record['first_name']; $last_name=$record['last_name']; $full_name=$record['name']; $gender=$record['sex']; } $data= mysql_query("select uid from users where uid='{$user_id}'",$conn); if(mysql_num_rows($data)==0) { $sql = "INSERT INTO users (uid,sessionkey, active, fname, lname, full_name, gender) VALUES('{$user_id}','{$sk}','1', '{$first_name}', '{$last_name}', '{$full_name}', '{$gender}')"; mysql_query($sql,$conn); return true; } return false; }

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• Best way to keep a .net client app updated with status of another application

  - by rwmnau

  I have a Windows service that's running all the time, and takes some action every 15 minutes. I also have a client WinForms app that displays some information about what the service is doing. I'd like the forms application to keep itself updated with a recent status, but I'm not sure if polling every second is a good move performance-wise. When it starts, my Windows Service opens a WCF named pipe to receive queries (from my client form) Every second, a timer on the winform sends a query to the pipe, and then displays the results. If the pipe isn't there, the form displays that the service isn't running. Is that the best way to do this? If my service opens the pipe when it starts, will it always stay open (until I close it or my service stops)? In addition to polling the service, maybe there's some way for the service to notify any watching applications of certain events, like starting and stopping processing? That way, I could poll less, since I'd presumably know about big events already, and would only be polling for progress. Anything that I'm missing?

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• Getting the current item number or index when using will_paginate in rails app

  - by Rich

  I have a rails app that stores movies watched, books read, etc. The index page for each type lists paged collections of all its items, using will_paginate to bring back 50 items per page. When I output the items I want to display a number to indicate what item in the total collection it is. The numbering should be reversed as the collection is displayed with most recent first. This might not relate to will_paginate but rather some other method of calculation. I will be using the same ordering in multiple types so it will need to be reusable. As an example, say I have 51 movies. The first item of the first page should display: Fight Club - Watched: 30th Dec 2010 Whilst the last item on the page should display: The Matrix - Watched: 3rd Jan 2010 The paged collection is available as an instance variable e.g. @movies, and @movies.count will display the number of items in the paged collection. So if we're on page 1, movies.count == 50, whilst on page 2 @movies.count == 1. Using Movie.count would give 51. If the page number and page size can be accessed the number could be calculated so how can they be returned? Though I'm hopeful there is something that already exists to handle this calculation!

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• Voice Recognition Google API

  - by user2966744

  thanks for reading. I'm creating a simple web based drawing app that uses speech recognition. I have created a simple page, the project is on github here: https://github.com/a5hton/speechdraw It has a 16x16 pixel grid. I would like to be able to draw on this grid by using simple words. For example if you say "right", the pixel to the right will be colored black. If you say "down" the pixel below the last one will be colored black. You can say up, down, left or right and the corresponding pixels will be colored. Saying "erase" will switch to erase mode, colouring the pixels back to their original color. Saying "lift" will lift the pen off the page. Saying "draw" will enable the draw mode. Could you please help me work out how to make this happen. Please see the simple page at to get an understanding. Thank you! Cheers, Michael

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• Import Excel into Rails app

  - by Jack

  Hi, I am creating a small rails app for personal use and would like to be able to upload excel files to later be validated and added to the database. I had this working previously with csv files, but this has since become impractical. Does anyone know of a tutorial for using the roo or spreadsheet gem to upload the file, display the contents to the user and then add to the database (after validating)? I know this is quite specific, but I want to work through this step by step. All I have so far is an 'import' view: <% form_for :dump, :url=>{:controller=>"students", :action=>"student_import"}, :html => { :multipart => true } do |f| -%> Select an Excel File : <%= f.file_field :excel_file -%> <%= submit_tag 'Submit' -%> <% end -%> But have no idea how to access this uploaded file in the controller. Any suggestions/help would be welcomed. Thanks

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• Chat app vs REST app - use a thread in an Activity or a thread in a Service?

  - by synic

  In Virgil Dobjanschi's talk, "Developing Android REST client applications" (link here), he said a few things that took me by surprise. Including: Don't run http queries in threads spawned by your activities. Instead, communicate with a service to do them, and store the information in a ContentProvider. Use a ContentObserver to be notified of changes. Always perform long running tasks in a Service, never in your Activity. Stop your Service when you're done with it. I understand that he was talking about a REST API, but I'm trying to make it fit with some other ideas I've had for apps. One of APIs I've been using uses long-polling for their chat interface. There is a loop http queries, most of which will time out. This means that, as long as the app hasn't been killed by the OS, or the user hasn't specifically turned off the chat feature, I'll never be done with the Service, and it will stay open forever. This seems less than optimal. Long question short: For a chat application that uses long polling to simulate push and immediate response, is it still best practice to use a Service to perform the HTTP queries, and store the information in a ContentProvider?

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• Why is my index view not working when I implement datepicker in my rails app

  - by user3736107

  Hi I am new to rails and would really appreciate some help, I am using the jQuery datepicker, the show view works however the index view doesn't, i get "undefined method `start_date' for nil:NilClass" in my index.html.erb file. Can you please let me know what is wrong with my index view and how i can fix it. The following are included in my app: meetups_controller.rb def show @meetup = Meetup.find(params[:id]) end def index @meetups = Meetup.where('user_id = ?', current_user.id).order('created_at DESC') end show.html.erb <h3>Title: <%= @meetup.title %></h3> <p>Start date: <%= @meetup.start_date.strftime("%B %e, %Y") %></p> <p>Start time: <%= @meetup.start_time.strftime("%l:%M %P") %></p> <p>End date: <%= @meetup.end_date.strftime("%B %e, %Y") %></p> <p>End time: <%= @meetup.end_time.strftime("%l:%M %P") %></p> index.html.erb <% if @meetups.any? %> <% @meetups.each do |meetup| %> <h3><%= link_to meetup.title, meetup_path(meetup) %></h3> <p>Start date: <%= meetup.start_date.strftime("%B %e, %Y") %></p> <p>Start time: <%= meetup.start_time.strftime("%l:%M %P") %></p> <p>End date: <%= @meetup.end_date.strftime("%B %e, %Y") %></p> <p>End time: <%= @meetup.end_time.strftime("%l:%M %P") %></p>

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• new project app; use entirely node.js

  - by Jared

  I have been looking into Node.js, express and Nowjs and love how easy it is to have real time interactions between clients. My background is mostly from CodeIgniter MVC using PHP and MYSql. I want to re make a current web project of mine from scratch to make everything better and more real time with this newer technology. After researching and doing test examples I want to use node.js , express and Nowjs for the real time interactions once someone connects to the socket.io to pull data back to clients. But use Code Igniter for the control of the site and user management , possible shopping cart/store , pretty much everything else. This is purely due to time constraints and that I am already familiar with doing it that way. I have been looking at MongoDB as an alternative to MySql, Basically the app is going to be multiple chat rooms all on one page. with the ability of notifications and private messaging. Lots of data transfer and images. before I started piecing it together I wanted to get people who have already done something similar. My model would use Code Igniter and MySQL to render the page and then connect them onto a node.js server and broadcast using express and nowjs would using a mongoDB be better than mySQL for tons of messages and data being stored or MYSQL? Also does it make since to not make the whole site on Node.js , kinda piece it together like that?

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• iphone app working on most devices but not a few

  - by Matt Facer

  Hi there. I have recently been rewriting some of my iphone app because a couple of users have said it was crashing on certain events. The event in question is when I add a new XIB to the view using the following code AddItemViewController * add_item = [[AddItemViewController alloc] initWithNibName:@"AddItem" bundle:[NSBundle mainBundle]]; [self presentModalViewController:add_item animated:YES]; [add_item setViewFormat:2]; [add_item release]; it works perfectly on my iphone and a mate's ipod touch (both running 3.1.3) but another user on an ipod touch also with 3.1.3 says it crashes when the function above is called. Why could this be happening? Surely if it works on one device it should work on another?! Is there a better way to add a view which maybe doesnt crash? I have also disabled all the code on the loading xib - so it literally is loading a near blank page. It's SO annoying!! Thanks for any help.

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• Rails app Hangs and Ruby uses 100% CPU

  - by tuzzolotron

  I have an apache2 server running Phusion Passenger. On this machine I have two virtual hosts setup each look like this (path's are different for the 2nd virtualhost...but other directives are the same) ServerName beta.mysite.us DocumentRoot "/var/www/beta/mysite/public" <Directory "/var/www/beta/mysite/public"> RewriteEngine on AllowOverride All Options FollowSymLinks </Directory> # http://www.modrails.com/documentation/Users guide.html PassengerAppRoot "/var/www/beta/mysite" RailsEnv development PassengerMaxPoolSize 6 PassengerDefaultUser mysite # PassengerHighPerformance does come at a trade off of lack of support for mod_rewrite PassengerHighPerformance off RailsSpawnMethod conservative RailsFrameworkSpawnerIdleTime 0 RailsAppSpawnerIdleTime 0 PassengerPoolIdleTime 300 ErrorLog "/var/log/httpd/mysite-beta-error_log" CustomLog "/var/log/httpd/mysite-beta-access_log" common Apache starts fine. I can go to one of the virtualhosts and it will load Rails and work. When I go to the second virtualhost, a ruby process spawns ("Rails: /var/www/mysite/current" according to ps awuxf) and uses 100% CPU. This process never exits. At this point neither virtualhost is responsive. If I kill the the offending ruby process, another ruby process replaces it and uses 100% cpu. If I kill these processes about 5-6 times, then both virtualhosts respond but they, are somehow, running the same Rails app?! I have another virtualhost on this machine that is not setup with phusion passenger..This one never exhibits any problems. Any help / ideas would be much appreciated!

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• Google lance la version 1.0 stable de mod_pagespeed, le module du serveur Apache pour « rendre le Web plus rapide »

  Google sort un module d'optimisation pour Apache HTTP Server Qui automatise 15 opérations et peut diminuer de moitié le temps de chargement des pages Après avoir mis à la disposition des développeurs Page Speed, un outil interne d'analyse et d'optimisation des performances des sites Web, Google récidive aujourd'hui et sort un module pour les serveurs Apache. Appelé à juste titre « mod_pagespeed », cet outil automatise bon nombre des conseils et bonne pratiques jusque-là seulement suggérés aux développeurs dans l'add-on du même nom qui se greffe à Firebug dans sa version pour Firefox. Le module « mod_pagespeed » pour Apache HTTP Server, automatise ainsi 15 opération...

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• Le Web a besoin de plus de langages de programmation pour rivaliser avec le « natif », selon un ingénieur de Google à l'origine de Dart

  Le Web a besoin de plus de langages de programmation pour rivaliser avec le « natif » selon un ingénieur de Google à l'origine de DartLe monde du développement informatique dispose d'une pléthore de langages de programmation. Mais, si on se limite au domaine du Web, le nombre de langages de programmation disponible serait insuffisant.C'est en substance l'idée qu'a fait passer Gilad Bracha, ingénieur chez Google et membre de l'équipe à l'origine du langage de programmation structuré pour le Web...

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• Une entreprise devrait-elle payer moins d'impôts si elle investit beaucoup localement ? En Australie, Google suggère de « mettre l'accent dessus »

  Une entreprise devrait-elle payer moins d'impôts si elle investit beaucoup localement ? En Australie, le patron de Google suggère de « mettre l'accent dessus » Maile Carnegie, le chef Google Australie, s'attend à ce que le gouvernement clarifie les zones d'ombres dans son système global d'imposition. La directrice a reconnu que les critiques à l'endroit des impôts que verse son entreprise est compréhensible, mais ne tient cependant pas compte de l'impact de l'investissement de la compagnie dans...

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• Google présente « Courgette », son algorithme de compression différentielle pour réduire la taille des mises à jour de Chrome

  Google présente « Courgette », son algorithme de compression différentielle Utilisé pour réduire la taille des mises à jour du navigateur Chrome Pour une application qui évolue aussi vite que Google Chrome, le téléchargement des nombreuses mises à jour pourrait devenir un véritable casse-tête si les utilisateurs devaient rapatrier chaque fois l'installable du navigateur (environ 10 MO) Nombre d'entre eux renâcleraient certainement à l'idée de saturer leur connexion de mises à jour volumineuses...

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• Google : une montre connectée « dans les prochains mois » ? L'entreprise pourrait proposer son dispositif avant celui d'Apple

  Google : une montre connectée « dans les prochains mois » ? L'entreprise pourrait proposer son dispositif avant celui d'Apple Google est au stade final du développement de sa montre connectée. L'entreprise est à l'heure actuelle à la recherche d'un fournisseur de composants en Asie avant de lancer la production de masse qui pourrait intervenir « dans les prochains mois », selon des sources citées par le Wall Street Journal . La montre fonctionnerait avec le système d'exploitation mobile maison...

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• WPF: Reloading app parts to handle persistence as well as memory management.

  - by Ingó Vals

  I created a app using Microsoft's WPF. It mostly handles data reading and input as well as associating relations between data within specific parameters. As a total beginner I made some bad design decision ( not so much decisions as using the first thing I got to work ) but now understanding WPF better I'm getting the urge to refactor my code with better design principles. I had several problems but I guess each deserves it's own question for clarity. Here I'm asking for proper ways to handle the data itself. In the original I wrapped each row in a object when fetched from database ( using LINQ to SQL ) somewhat like Active Record just not active or persistence (each app instance had it's own data handling part). The app has subunits handling different aspects. However as it was setup it loaded everything when started. This creates several problems, for example often it wouldn't be neccesary to load a part unless we were specifically going to work with that part so I wan't some form of lazy loading. Also there was problem with inner persistance because you might create a new object/row in one aspect and perhaps set relation between it and different object but the new object wouldn't appear until the program was restarted. Persistance between instances of the app won't be huge problem because of the small amount of people using the program. While I could solve this now using dirty tricks I would rather refactor the program and do it elegantly, Now the question is how. I know there are several ways and a few come to mind: 1) Each aspect of the program is it's own UserControl that get's reloaded/instanced everytime you navigate to it. This ensures you only load up the data you need and you get some persistancy. DB server located on same LAN and tables are small so that shouldn't be a big problem. Minor drawback is that you would have to remember the state of each aspect so you wouldn't always start at beginners square. 2) Having a ViewModel type object at the base level of the app with lazy loading and some kind of timeout. I would then propegate this object down the visual tree to ensure every aspect is getting it's data from the same instance 3) Semi active record data layer with static load methods. 4) Some other idea What in your opinion is the most practical way in WPF, what does MVVM assume?

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• Des chercheurs de Google revoient les fondements de SSL, pour rendre le processus de certification plus transparent et plus sûr

  Des chercheurs de Google revoient en profondeur les fondements de SSL Pour rendre le processus de certification plus transparent et plus sûr Des chercheurs de Google veulent remanier en profondeur les fondations des infrastructures de certifications SSL. En proposant une meilleure transparence, ils espèrent rendre le processus plus sûr et éviter de réitérer la déroute DigoNotar. Ben Laurie et Adam Langley proposent de combler une lacune fondamentale. Celle qui permet à plus de 600 autorités de délivrer ...

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• WebM : la justice américaine enquête sur le groupe MPEG-LA et des actions potentiellement anticoncurrentielles contre le format de Google

  WebM : la justice américaine enquête sur le groupe MPEG-LA Et des actions potentiellement anticoncurrentielles contre le format de Google Mise à jour du 07/03/2011 par Idelways D'après un rapport rendu public par le Wall Street Journal, le département de la justice américaine aurait lancé une enquête antitrust sur le groupe de gestion de brevets MPEG-LA, le soupçonnant de vouloir attenter injustement à un rival technologique open-source supporté par Google (VP8). Le groupe MPEG-LA avait lancé mi-février un appel à tous les industriels qui estiment détenir des brevets potentiellement utilisés par le codec concurrent « VP...

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• Google attaque le FISC américain pour avoir trop payé d'impôts en 2004, il réclame le remboursement de plus de 80 millions de dollars de taxes

  Google attaque le FISC américain, il aurait payé trop d'impôts en 2004 Et lui réclame plus de 80 millions de dollarsGoogle vient d'entamer une procédure contre l'U.S. Internal Revenue Service, l'équivalent du FISC, pour récupérer 83.5 millions de dollars qui, d'après le géant d'Internet, lui seraient dûs.Le litige porte sur une opération boursière concernant des warrants (des bons de souscription à fort effet de levier, souvent qualifiés de spéculatifs) lors d'une transaction avec AOL.Les warrants sont des options d'achat - ou de vente - d'un produit sous-jacent (ici des actions de Google) qui permettent à leurs détenteurs (ici AOL) d'acheter - ou de vendre - ce sous-jacent à un prix fixe détermi...

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• Why would you dual-run an app on Azure and AWS?

  - by Elton Stoneman

  Originally posted on: http://geekswithblogs.net/EltonStoneman/archive/2013/11/10/why-would-you-dual-run-an-app-on-azure-and-aws.aspxI had this question from a viewer of my Pluralsight course, Implementing the Reactive Manifesto with Azure and AWS, and thought I’d publish the response. So why would you dual-run your cloud app by hosting it on Azure and AWS? Sounds like a lot of extra development and management overhead. Well the most compelling reasons are reliability and portability. In 2012 I was working for a client who was making a big investment in the cloud, and at the end of the year we published their first external API for business partners. It was hosted in Azure and used some really nice features to route back into existing on-premise services. We were able to publish a clean, simple API to partners, and hide away the underlying complexity of the internal services while still leveraging them to do all the work. Two days after we went live, we were hit by the Azure SSL certificate expiry outage, and our API was unavailable for the best part of 3 days. Fortunately we had planned a gradual roll-out to partners, so the impact was minimal, but we’d been intending to ramp up quickly, and if the outage had happened a week or two later we would have been in a very bad place. Not least because our app could only run on Azure, we couldn’t package it up for another service without going back and reworking the code. More recently AWS had an issue with a networking device in one of their data centres which caused an outage that took the best part of a day to resolve. In both scenarios the SLAs are worthless, as you’ll get back a small percentage of your cloud expenditure, which is going to be negligible compared to your costs in dealing with the outage. And if your app is built specifically for AWS or Azure then if there’s an extended outage you can’t just deploy it onto a new set of kit from a different supplier. And the chances are pretty good there will be another extended outage, both for Microsoft and for Amazon. But the chances are small that it will happen to both at the same time. So my basic guidance has been: ignore the SLAs, go for better uptime by using two clouds. As soon as you need to scale beyond a single instance, start by scaling out to another cloud. Then scale out to different data centres in both clouds. Then you’ve got dual-cloud, quadruple-datacentre redundancy, so any more scaling you need can be left to the clouds to auto-scale themselves. By running in both clouds, you’ve made your app portable, so in the highly unlikely event that both AWS and Azure go down in multiple regions, you’ll have a deployment package which will let you spin up a new stack on yet another cloud, without having to rework your solution.

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• How are you coping with Ubuntu's Unity app launcher? (It auto-hides, can't minimize apps)

  - by Bad Learner

  [Firstly, let me tell you that this cannot be subjective in anyway, as I think at least Ubuntu beginners will have these questions boggling in their mind; and yes, this is a question that has a definite answer - - so, I am completely within the rules.] Okay, coming to the point, I see that Ubuntu uses Unity since v10.xx (netbook edition?) and carried the same to v11.04 & v11.10. As someone who's stuck to Windows for all these years, it's somewhat difficult to cope with Ubuntu's Unity, for the following reasons: [1] The Unity app launcher (to the screen's left) auto-hides when a window is maximized. [2]- And once launched, apps cannot be minimized by clicking the app's icon in the launcher. I have to go to the top-left of the screen and click the "_" button. I do know I can fix these issues by installing some configuration tool. But the thing is, if that's how it's meant to work, Canonical/Ubuntu would have designed it that way. But they didn't. Why? w.r.t above points [1], [2]: [1] EDITED: So, does it mean, it's good to work without maximizing the windows? Because if I maximize the window, the app launcher hides. And I need to hover the mouse to the left of the screen, wait a bit (even if it's a sec or even less, I can still feel the lag), and then click on the next app icon in the launcher to switch to it. I do know, I can use Alt+TAB to switch, but I am not sure which window comes next. This, I feel, isn't productive. Also, this makes me feel, Ubuntu is designed for large screens (it's nice on my 1920x1080p screen), because I can have two windows side-by-side or something like that on a large screen. This is not possible on smaller screens. [2]- Being able to minimize an application's window by clicking on its icon in the launcher (just like it works on Windows & probably elsewhere) would have been great, rather than having to go to the top-left and clicking the _ (minimize) button which brings up the app launcher itself (from hiding) most of the time. It's too tiring to have these small issues in the UI. I really would like to know how you are coping with these issues the way they are?

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