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  • Wifi very slow on Ubuntu 12.04 but not on Win7, need help

    - by user84504
    I have an enormous problem: I've a Sony Vaio VGN-NR21S with win7 and Ubuntu 12.04 in dual boot. With Windows everything is fine (except that is windows) but with Ubuntu the wireless connection is awfully slow, basically unusable. I've already search for similar discussion but the solution proposed didn't worked. I've noticed this issue also in live mode both with ubuntu and linux mint. I've installed Ubuntu onto an Acer that shows the same problem when connected via wifi to my router, so I think that maybe the issue is about compatibility with my home router. I really need help, I don't want unistall ubuntu! Please tell me which output u need to help me, thanks.

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  • How do I keep user input and rendering independent of the implementation environment?

    - by alex
    I'm writing a Tetris clone in JavaScript. I have a fair amount of experience in programming in general, but am rather new to game development. I want to separate the core game code from the code that would tie it to one environment, such as the browser. My quick thoughts led me to having the rendering and input functions external to my main game object. I could pass the current game state to the rendering method, which could render using canvas, elements, text, etc. I could also map input to certain game input events, such as move piece left, rotate piece clockwise, etc. I am having trouble designing how this should be implemented in my object. Should I pass references to functions that the main object will use to render and process user input? For example... var TetrisClone = function(renderer, inputUpdate) { this.renderer = renderer || function() {}; this.inputUpdate = input || function() {}; this.state = {}; }; TetrisClone.prototype = { update: function() { // Get user input via function passed to constructor. var inputEvents = this.inputUpdate(); // Update game state. // Render the current game state via function passed to constructor. this.renderer(this.state); } }; var renderer = function(state) { // Render blocks to browser page. } var inputEvents = {}; var charCodesToEvents = { 37: "move-piece-left" /* ... */ }; document.addEventListener("keypress", function(event) { inputEvents[event.which] = true; }); var inputUpdate = function() { var translatedEvents = [], event, translatedEvent; for (event in inputEvents) { if (inputEvents.hasOwnProperty(event)) { translatedEvent = charCodesToEvents[event]; translatedEvents.push(translatedEvent); } } inputEvents = {}; return translatedEvents; } var game = new TetrisClone(renderer, inputUpdate); Is this a good game design? How would you modify this to suit best practice in regard to making a game as platform/input independent as possible?

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  • MMO Web game mouse vs wasd

    - by LazyProgrammer
    If considering to develop a web browser based game with multiple people and it's an RPG, click to move would probably be the only choice in movement right? Because if you were to use WASD and then ajax to the server every second that a player held on to the WASD key, that'd be pretty resource intensive if the server had to calculate the position and return the map image, assuming the next few screens are already buffered right? or is there a way to implement a WASD style and still have server side do all the calculations. (server side calculations to avoid cheating)

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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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  • GZipped Images - Is It Worth?

    - by charlie
    Most image formats are already compressed. But in fact, if I take an image and compress it [gzipping it], and then I compare the compressed one to the uncompressed one, there is a difference in size, even though not such a dramatic difference. The question is: is it worth gzipping images? the content size flushed down to the client's browser will be smaller, but there will be some client overhead when de-gzipping it. Please advise.

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  • IE's Market Share Stabilizes in May

    Microsoft's Internet Explorer browser showed a U.S. market share gain in May compared with competing browsers....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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  • Google Sync brings back Login Keyring from previous distro: How to remove?

    - by Mridul Malpotra
    I previously had Ubuntu 12.04 and had my Login Keyring set to a password that I don't remember and am not able to guess. I changed my Linux version to Mint 15 Cinnamon recently, but everytime I sync my Google account with my browser, the Login Keyring keeps coming back. I tried the /Preferences/Password method but there is no file as such which is created. Also, .gnome2 folder doesn't have any keyring file. How can I make the box go away for all?

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  • Should I fork for a major re-write that uses a small amount of the original code?

    - by It'sNotALie.
    I'm writing a library. It's a completely rewritten version of another one, to suit my needs (PCL compatibility, mainly). However, the API will be completely rewritten, as I'll need to change a lot of stuff around for PCL compliance. Also, as it is a rewrite, I won't be able to just start from the library and just change it bit by bit, as I typically see with forks. I tried that, but it just didn't work. So what should I do? Should I fork here or should I make a new library?

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  • CLI on the Web

    <b>Miguel de Icaza's web log:</b> "We could do this by linking Mono directly into the browser. This would allow developers to write code like this:"

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  • Why my sub-domain redirect returns a blank page?

    - by Tom Brito
    I have the domain http://dropbox.tombrito.com/ (on GoDaddy) forwarding with masking to www.dropbox.com/sh/k6ypvx4y4kf0gu6/rdjxQ1b1OL It was working fine some time ago, but now the result is a blank page (although the Dropbox's favicon appears correctly in the browser's tab title). The DNS manager shows me a single entry with the name "dropbox": A dropbox 64.202.189.170 Any idea what's wrong? Related: Why my domain redirect on Google Apps is returning 404?

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  • How do I downgrade rhythmbox v2.98?

    - by fossfreedom
    I've been testing out the new WebUpd8 PPA for Rhythmbox which I used to upgrade from Rhythmbox v2.97 to v2.98. However, when I added this PPA, when using my favourite plugins replaygain and coverart-browser, Rhythmbox crashes with a segmentation fault. Worse, when this crash happens, my Unity desktop becomes unstable, with various applications failing to start with similar segmentation faults. Does anybody know the reason for this - but more importantly how to resolve this?

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  • Le succès de Windows 7 se confirme en entreprise et présage une adoption rapide et massive, selon Fo

    Mise à jour du 27/05/10 Le succès de Windows 7 se confirme en entreprise Et présage une adoption rapide et massive, selon Forrester Nouvelle étude à 500 $ pour le cabinet Forrester... qui accepte néanmoins de livrer quelques conclusions pour 0 Euro. « Corporate Desktop Operating System And Browser Trends, Q2 2009 To Q2 2010 » nous apprend donc que Windows 7 arrive (sic) et que Firefox et Chrome ne cessent de progresser (une constatation déjà fait...

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  • 3TB non-boot hard disk on older motherboard

    - by Bcos
    It is time to expand the capacity of my Ubuntu home file server so I would like to purchase some 3TB hard disks. However, I am concerned with potential compatibility issues. I've tried searching around but I haven't found information which clearly addresses my particular situation. My server is running Ubuntu 10.04 on an Intel P35 chipset based system. The motherboard does not support UEFI (and, by extension, GPT?). However, Ubuntu does support 2TB disks. Will I be able to properly utilize these new disks, or does the motherboard limitation trump all else? The boot disk is <2TB and will not be updated nor am I dual-booting; these disks will be used strictly as slaves in a pure Ubuntu environment. I'd hate to pull the trigger on these new disks just to be unpleasantly surprised, so any feedback is appreciated. Thanks!

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  • Can't Drag & Drop text to unity launcher (e.g. url's, highlighted text)

    - by patsee
    I'm trying to create a unity launcher icon (.dekstop file) on which you can drop any (selected/highlighted) text from a web browser, google chrome in my case. I know you can use the "MimeType=" key in a .desktop file, but I can't find the right mime type for my scenario. I've tried several text MimeTypes and "text/*", but none of them would work. Does anyone know which MimeType I have to use in order for my launcher icon to accept text when hovering over it?

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  • Is OpenGL 1.x deprecated?

    - by QuasarDonkey
    I'm familiar with OpenGL 1.x. I typically use SDL with OpenGL 1.4 on Linux, and I've never run into problems, even on my modern system. I've read on the OpenGL site about deprecation and compatibility contexts, but I'm still unclear as to whether it's safe to continue to use old versions of OpenGL, as opposed to using old features in newer versions. When functionality is marked deprecated ... future versions of OpenGL may remove it. Does deprecation simply imply that those functions can't be used alongside newer features? More specifically, are there any systems today (other than embedded) where OpenGL 1.x isn't available? The old-skool stuff like, glBegin, glEnd, glDrawPixels, etc. Note: I'm not a professional games developer, so you'll have to excuse my ignorance. I'm working on a mostly 2D game that I would like to keep multi-platform, supporting at least Linux, Mac, and Windows.

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  • Finding "Stuff" In OUM

    - by Dave Burke
    One of the first questions people asked when they start using the Oracle Unified Method (OUM) is “how do I find X ?” Well of course no one is really looking for “X”!! but typically an OUM user might know the Task ID, or part of the Task Name, or maybe they just want to find out if there is any content within OUM that is related to a couple of keys words they have in their mind. Here are three quick tips I give people: 1. Open up one of the OUM Views, then click “Expand All”, and then use your Browser’s search function to locate a key Word. For example, Google Chrome or Internet Explorer: <CTRL> F, then type in a key Word, i.e. Architecture This is fast and easy option to use, but it only searches the current OUM page 2. Use the PDF view of OUM Open up one of the OUM Views, and then click the PDF View button located at the top of the View. Depending on your Browser’s settings, the PDF file will either open up in a new Window, or be saved to your local machine. In either case, once the PDF file is open, you can use the built in PDF search commands to search for key words across a large portion of the OUM Method Pack. This is great option for searching the entire Full Method View of OUM, including linked HTML pages, however the search will not included linked Documents, i.e. Word, Excel. 3. Use your operating systems file index to search for key words This is my favorite option, and one I use virtually every day. I happen to use Windows Search, but you could also use Google Desktop Search, of Finder on a MAC. All you need to do (on a Windows machine) is to make sure your local OUM folder structure is included in the Windows Index. Go to Control Panel, select Indexing Options, and ensure your OUM folder is included in the Index, i.e. C:/METHOD/OM40/OUM_5.6 Once your OUM folders are indexed, just open up Windows Search (or Google Desktop Search) and type in your key worlds, i.e. Unit Testing The reason I use this option the most is because the Search will take place across the entire content of the Indexed folders, included linked files. Happy searching!

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  • Beef up Firefox Privacy Features

    <b>Linux Magazine: </b>"Whether you want it or not, your Web activities are tracked and analyzed in many different ways. There are a few handy Firefox extensions that can beef up your favorite browser's privacy features."

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  • Structural and Sampling (JavaScript) Profiling in Google Chrome

    Structural and Sampling (JavaScript) Profiling in Google Chrome Slow JavaScript code on your pages? Chrome provides both a sampling, and a structural profiler to help you track down, isolate, and fix the underlying problem. Tune in to learn how to use both profilers, and how to improve your own workflow to build better, faster browser applications! We'll talk about chrome://tracing, the built-in JS profiler in DevTools, and much more. From: GoogleDevelopers Views: 0 3 ratings Time: 01:00:00 More in Science & Technology

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  • Why support IE6?

    - by TATWORTH
    The question has been raised as to why support IE6? I can give you two reasons, why your client will require IE6 to be supported: While IE6 continues to have above a certain of browsers in use The web application is for a controlled environment that has not been upgraded from IE6 to a later version I personally only use any current or previous version of IE to: To access the Windows Update site As required to test IE compatibility of applications that I write I agree that that the CSS fixes required to support IE6 are undesirable in that they require non-standards compliant CSS. I prefer that my HTML be both XHTML and CSS standards complaint according to the W3C tests. IE9 promises to be not only standards compliant but much better in performance. I am looking forward to its release.

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  • How to Correctly Optimize Title Tags

    With the SERPs becoming increasingly competitive, more and more businesses are turning to search engine optimization to help improve their rankings and drive more customers to their website. When optimizing a website one of the most important factors of on page optimization is the title tag. The title tag is the text that is the text that is displayed in the blue bar at the top of the browser window and is also displayed at the top of each result in the SERPs.

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  • Why Do You Need SSL Certificate

    SSL (Secure Sockets Layer) is an encrypting modus operandi that ensures the en route security of the personal details processed by the browser to the server. We all know that online shopping is prefe... [Author: Jack Melde - Computers and Internet - May 01, 2010]

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