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  • update manager - insufficient storage space (false alarm)

    - by itsols
    I'm trying to run Update Manager but it keeps reporting that there's not enough space. Here's the screenshot: I ran sudo apt-get update && sudo apt-get upgrade from the terminal but still update manager says that there are updates and I cannot seem to get pass this message. I have even removed many programs from my system and there is supposed to be at least 6GB of disk space free. What can I do?

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  • Can't slow down the pointer speed enough

    - by murat güler
    I have changed my mouse, bought a new set but still no use - it's too fast for a designer. And in the new version (12.04) I don't even know how to find the xorg.conf, or anything would help Is not there any application for this to adjust mouse sensivity more than the default options like Logitech applications for Windows? Keyboard and mouse model: Logitech mk520 wireless laser mouse & keyboard set. Mouse model: m310 (laser, wireless)

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  • How to Enable or Disable the Startup Sound in Windows 8

    - by Taylor Gibb
    We have all been in that awkward situation where you sit down in a meeting room only to have your Windows laptop play the Startup sound. Here’s how to disable it or even enable it if you so choose. HTG Explains: What is the Windows Page File and Should You Disable It? How To Get a Better Wireless Signal and Reduce Wireless Network Interference How To Troubleshoot Internet Connection Problems

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  • What to do when you inherit an unmaintainable codebase?

    - by GordonM
    I'm currently working at a company with 2 other PHP developers aside from me, and 1 junior developer. The senior developer who originally built the system we're all working on has resigned and will only be here for a matter of weeks. The other developer, who is the only other guy who knows anything about the system, is unhappy here and is looking for a new job. I'm very real danger of being left behind as the only experienced developer on this codebase. Since I've joined this company I've tried to push for better coding standards, project documentation, etc and I do think I've made some headway, but the vast majority of the code is simply unmaintainable and uncommented. A lot of this has to do with the need to get things done fast at points in the project before I joined, but now the technical debt is enormous, even with the two developers who do understand the system on board. Without them, it will simply be impossible to do anything with it. The senior developer is working on trying to at least comment all his code before he leaves but I think the codebase is simply too vast to properly document in the remaining time. Besides, when he does comment it still doesn't make things as clear as it could. If the system was better organized and documented I could probably start refactoring it incrementally, but the whole thing is so tightly coupled that it's very difficult to make any changes in one module without having unintended knock-on effects in other modules. Naturally, there's no unit tests either, and I honestly don't think this codebase could possibly be unit tested anyway given how it's implemented. There also never seems to be enough time to get things done even with 3 developers and 1 junior developer. With one developer and one junior, neither of which had significant input into the early design of the system, I don't see how we could possibly get anything done with keeping the current system working, implementing new features as needed and developing a replacement for the current codebase that is better organized. Is there an approach I can take to cope with this situation, or should I be getting my own CV in order as well at this point? If it was just me and the junior designer who would be left I'd go for the latter option almost without question. However, there's a team of front-end developers and content managers as well, and I'm worried what would become of them if I left and put them in a position where there would be no developers at all. The department might just be closed down altogether under such circumstances, and then I'd have their unemployment on my conscience as well!

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  • How To Find Affordable Web Agency In India

    Finding an affordable web agency in India is a problem that one should not even think of. This is for the fact that every web agency is either way too expensive or if it makes a reasonable quote for ... [Author: John Anthony - Web Design and Development - May 11, 2010]

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  • Hey Adobe, Dump Apple, Go Linux

    <b>Cyber Cynic:</b> "Who can blame Adobe for being ticked off? They wanted a slice of the lucrative Apple iPad/iPhone application business, and Apple won't let Adobe applications, or even Flash, on either platform."

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  • Feature Usage Reporting in Early Access Programs

    After doing Web development, you can get very used to the luxury of having basic information about your users' machines and browsers. With their permission, you can also get the same information from an application, and can even get more targeted anonymous information that will tell you how the features are used. Kevin explains how this can be used with early access builds to improve the reliability and usability of applications.

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  • Senior software

    - by Ahmed
    Hello , I'm not sure if this is the place of my question or not I'm working in a software company as senior software engineer , my team leader is controlling everything in the development life cycle, I can't say my opinion in any thing I'm just forced to tasks only without any discussion I can't even apply any design patterns that i see it is better or any UI guidelines Is That is OK in my career position now ? what is the responsibilities of senior engineer ?

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  • Box2D blocky map. Body, Fixtures a huge map and performance

    - by Solom
    Right now I'm still in the planning phase of a my very first game. I'm creating a "Minecraft"-like game in 2D that features blocks that can be destroyed as well as players moving around the map. For creating the map I chose a 2D-Array of Integers that represent the Block ID. For testing purposes I created a huge map (16348 * 256) and in my prototype that didn't use Box2D everything worked like a charm. I only rendered those blocks that where within the bounds of my camera and got 60 fps straight. The problem started when I decided to use an existing physics-solution rather than implementing my own one. What I had was basically simple hitboxes around the blocks and then I had to manually check if the player collided with any of those in his neighborhood. For more advanced physics as well as the collision detection I want to switch over to Box2D. The problem I have right now is ... how to go about the bodies? I mean, the blocks are of a static bodytype. They don't move on their own, they just are there to be collided with. But as far as I can see it, every block needs his own body with a rectangular fixture attached to it, so as to be destroyable. But for a huge map such as mine, this turns out to be a real performance bottle-neck. (In fact even a rather small map [compared to the other] of 1024*256 is unplayable.) I mean I create thousands of thousands of blocks. Even if I just render those that are in my immediate neighborhood there are hundreds of them and (at least with the debugRenderer) I drop to 1 fps really quickly (on my own "monster machine"). I thought about strategies like creating just one body, attaching multiple fixtures and only if a fixture got hit, separate it from the body, create a new one and destroy it, but this didn't turn out quite as successful as hoped. (In fact the core just dumps. Ah hello C! I really missed you :X) Here is the code: public class Box2DGameScreen implements Screen { private World world; private Box2DDebugRenderer debugRenderer; private OrthographicCamera camera; private final float TIMESTEP = 1 / 60f; // 1/60 of a second -> 1 frame per second private final int VELOCITYITERATIONS = 8; private final int POSITIONITERATIONS = 3; private Map map; private BodyDef blockBodyDef; private FixtureDef blockFixtureDef; private BodyDef groundDef; private Body ground; private PolygonShape rectangleShape; @Override public void show() { world = new World(new Vector2(0, -9.81f), true); debugRenderer = new Box2DDebugRenderer(); camera = new OrthographicCamera(); // Pixel:Meter = 16:1 // Body definition BodyDef ballDef = new BodyDef(); ballDef.type = BodyDef.BodyType.DynamicBody; ballDef.position.set(0, 1); // Fixture definition FixtureDef ballFixtureDef = new FixtureDef(); ballFixtureDef.shape = new CircleShape(); ballFixtureDef.shape.setRadius(.5f); // 0,5 meter ballFixtureDef.restitution = 0.75f; // between 0 (not jumping up at all) and 1 (jumping up the same amount as it fell down) ballFixtureDef.density = 2.5f; // kg / m² ballFixtureDef.friction = 0.25f; // between 0 (sliding like ice) and 1 (not sliding) // world.createBody(ballDef).createFixture(ballFixtureDef); groundDef = new BodyDef(); groundDef.type = BodyDef.BodyType.StaticBody; groundDef.position.set(0, 0); ground = world.createBody(groundDef); this.map = new Map(20, 20); rectangleShape = new PolygonShape(); // rectangleShape.setAsBox(1, 1); blockFixtureDef = new FixtureDef(); // blockFixtureDef.shape = rectangleShape; blockFixtureDef.restitution = 0.1f; blockFixtureDef.density = 10f; blockFixtureDef.friction = 0.9f; } @Override public void render(float delta) { Gdx.gl.glClearColor(1, 1, 1, 1); Gdx.gl.glClear(GL20.GL_COLOR_BUFFER_BIT); debugRenderer.render(world, camera.combined); drawMap(); world.step(TIMESTEP, VELOCITYITERATIONS, POSITIONITERATIONS); } private void drawMap() { for(int a = 0; a < map.getHeight(); a++) { /* if(camera.position.y - (camera.viewportHeight/2) > a) continue; if(camera.position.y - (camera.viewportHeight/2) < a) break; */ for(int b = 0; b < map.getWidth(); b++) { /* if(camera.position.x - (camera.viewportWidth/2) > b) continue; if(camera.position.x - (camera.viewportWidth/2) < b) break; */ /* blockBodyDef = new BodyDef(); blockBodyDef.type = BodyDef.BodyType.StaticBody; blockBodyDef.position.set(b, a); world.createBody(blockBodyDef).createFixture(blockFixtureDef); */ PolygonShape rectangleShape = new PolygonShape(); rectangleShape.setAsBox(1, 1, new Vector2(b, a), 0); blockFixtureDef.shape = rectangleShape; ground.createFixture(blockFixtureDef); rectangleShape.dispose(); } } } @Override public void resize(int width, int height) { camera.viewportWidth = width / 16; camera.viewportHeight = height / 16; camera.update(); } @Override public void hide() { dispose(); } @Override public void pause() { } @Override public void resume() { } @Override public void dispose() { world.dispose(); debugRenderer.dispose(); } } As you can see I'm facing multiple problems here. I'm not quite sure how to check for the bounds but also if the map is bigger than 24*24 like 1024*256 Java just crashes -.-. And with 24*24 I get like 9 fps. So I'm doing something really terrible here, it seems and I assume that there most be a (much more performant) way, even with Box2D's awesome physics. Any other ideas? Thanks in advance!

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  • Live-Ubuntu 12.04 ran fine, now stopped booting!

    - by user89743
    I've seen similar problems to this several times in the forum, but mine is a bit different, so the other posts I saw were no help to me. When I boot Ubuntu 12.04 64-bit from live-SD-card (3GB persistence) I suddenly get this error: (initramfs) mount: mounting /dev/loop0 on //filesystem.squashfs failed: Invalid argument Can not mount /dev/loop/0 (/cdrom/casper/filesystem.squashfs) on //filesystem.squashfs (it says I can type "help" for commands, but I don't know anything about how to go from there, totally new to linux) The reason I say my case is different is because my Ubuntu worked fine for over a week, even pretty fast, and now this problem happened. Before that I used to run my live ubuntu from USB sticks but that was slower (especially when booting which took 15 minutes from USB stick!). Also I kept getting the same above problem after a while when booting and had to re-create a live USB linux several times. Installing on harddrive is not an option because my harddrive has physical damage and getting a replacement will take a while, therefore I can only use live-USB or live-SD-card Ubuntu. As I said I used Ubuntu without problems for more than a week, before that as well for several weeks on USB sticks, but the above problem occured sooner or later. This time I paid attention to when it happened: I was rebooting my computer (HP 620 laptop, 4 GB RAM, 64 bit system) from SD flash card and when I was booting I selected F6 and then the first option "no acpi" or something like that...I had used it before and noticed it slowed down the time it took Linux to use. This time it caused this error. Now even when I boot normally/default I get this error. Now I'm accessing Ubuntu from my USB stick without persistence file, when I check my SD card, all the files mentioned in the error message are there and the filesystem.squashfs is 691.2 MB so nothing seems to have been deleted by accident. (I have already made many changes/downloaded programs to my SD card persistent Ubuntu and would hope to loose them, since downloading is expensive for me, and since the problem seems to re-occur...) Can anyone help me, preferably without having to create another startup disk on my SD card? I'm totally new to this. Sorry for the long posts, just didn't know what info is relevant and what isnt! Kon

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  • Unix tools in business use: are they helpful?

    - by Prometheus
    Do you think knowing Unix tools like sed, awk, LaTeX, Perl give you a great edge in the business world? (e.g. being a manager) From my short reflection, the only profession that needs those sort of (plain text) tools is programming. Because even when I do creative writing, I rarely ever need it. I mean, do CEOs and executives of large corporations ever learn this kind of stuff if they were not CS major to begin with?

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  • Mounting Nexus 7 on Ubuntu 12.04 through

    - by Pomario
    I would like to transfer files between my Ubuntu 12.04 and Nexus 7 (Android 4.2) I have followed another post precisely. BUT upon... mount /mnt/nexus7 I get... Android device detected, assigning default bug flags.Listing File Information on Device with name: (NULL) and even doing an "ls" in "/mnt" generates... ls: cannot access nexus7: Transport endpoint is not connected Ideas why that is happening???

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  • Rain drops on screen

    - by user1075940
    I am trying to make simple rain drop effect on screen.Something like this http://fc00.deviantart.net/fs20/f/2007/302/5/6/Rain_drops_by_rockraikar.png My idea is to: Create small drop shaped normal textures,randomly put few on screen,apply texture perturbation and mix with current frame pixels. Here are my questions: -Does this idea even have sense?How professionals do this effect?Everything from text to code will be appreciated -How to pass pixels to shader of already rendered frame?

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  • How to Start thunderbird on startup on ubuntu 12.04

    - by Levan
    So i want to start minimized thunderbird on ubuntu startup I used this, but this was not helpful after following it , i could not even start thunderbird, to fix this i had to start it in safe mode and delete the ,,FireTray Plugin" after that it started to work but it deleted all my email accounts and had to do that chore all over again so is there a way to start thunderbird minimized on startuo ?? thank you in advanced

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  • TechEd 2010 Followup

    - by AllenMWhite
    Last week I presented a couple of sessions at Tech Ed NA in New Orleans. It was a great experience, even though my demos didn't always work out as planned. Here are the sessions I presented: DAT01-INT Administrative Demo-Fest for SQL Server 2008 SQL Server 2008 provides a wealth of features aimed at the DBA. In this demofest of features we'll see ways to make administering SQL Server easier and faster such as Centralized Data Management, Performance Data Warehouse, Resource Governor, Backup Compression...(read more)

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  • Ask HTG: Dealing with Windows 8 CP Expiry, Nintendo DS Save Backups, Jumbled Audio Tracks in Windows Media Player

    - by Jason Fitzpatrick
    Once a week we round up some great reader questions and share the answers with everyone. This week we’re looking at what to do when Windows 8 Consumer Preview expires, backing up your Nintendo DS saves, and how to sort out jumbled audio tracks in Windows Media Player movies. How To Be Your Own Personal Clone Army (With a Little Photoshop) How To Properly Scan a Photograph (And Get An Even Better Image) The HTG Guide to Hiding Your Data in a TrueCrypt Hidden Volume

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  • Come see me @LISA

    - by mgerdts
    LISA '11 is just around the corner and once again includes an Oracle Solaris Summit the day before the main conference.  Please come to the summit and to as my esteemed colleagues and I introduce many of the great improvements found in Solaris 11. Even with a full day to talk about Solaris 11, we'll certainly be unable to get into the depth in the areas that concern you the most.  To get some face time with Oracle engineers, stop by the Oracle demo booth - I'll be there Wednesday from 2:00 - 4:00.

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  • Tutorial: Linux Boot Camp: How Linux Boots (part 1)

    Booting. Sometimes it seems like it takes forever. What's the computer doing all that time? How do you find out? The Linux boot sequence is surprisingly simple, and the best part is that almost all of it is controlled by shell scripts you can read -- and even edit yourself.

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  • Does Fetch as Googlebot still support their ajax-crawling proposal?

    - by Gunchars
    I spent half a day implementing the server side html generation for modal pages based on their proposal (link), but it seems like the Fetch as Googlebot functionality in Webmaster tools completely ignores the URL fragment. I've verified that the _escaped_fragment_ functionality is working on my server (example), but when I submit a URL like /#!/recipes, the Googlebot just fetches /. There aren't any recent confirmations that it's working and, honestly, it wouldn't surprise me if they just silently dropped the functionality without even editing the docs.

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  • Portal 2 in LEGO Stop Motion [Video]

    - by Jason Fitzpatrick
    If you’re a fan of the Portal video game series, this well-executed LEGO stop-motion film combines Portal characters, clever animation, jokes, and even a Black Mesa reference or two. LEGO Portal 2 [via Wired] How to Factory Reset Your Android Phone or Tablet When It Won’t Boot Our Geek Trivia App for Windows 8 is Now Available Everywhere How To Boot Your Android Phone or Tablet Into Safe Mode

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  • How to Use YouTube For SEO

    If you're a regular user of the internet, you will at some time have watched videos on YouTube, or even submitted your own video. Millions of people visit YouTube every month, and, although there are other similar sites, it's the leader by far, and a perfect place to market your site or product.

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  • Senior software developer

    - by Ahmed
    Hello , I'm not sure if this is the place of my question or not I'm working in a software company as senior software engineer , my team leader is controlling everything in the development life cycle, I can't say my opinion in any thing I'm just forced to tasks only without any discussion I can't even apply any design patterns that i see it is better or any UI guidelines Is That is OK in my career position now ? what is the responsibilities of senior engineer ?

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  • How can I make eclipse look like VS.NET 2010?

    - by Juan Manuel
    I am constantly switching between a project written in C# 4.0 and another one written in Java. I find it very difficult to read the code in Java, and I think it's because of its colors (or lack of them really) Is there any way to mimic the colors that VS.NET 2010 has inside eclipse? (even better would be to replace all its hotkeys for their equivalent in VS.NET, like ctrl+k for ctrl+f3, but I believe it would be utopic)

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  • GRUB problem after uninstalling mint

    - by Yehonatan Tsirolnik
    I've uninstalled Linux Mint 13 today from my netbook. The netbook was running Windows XP and Linux Mint on dual boot. I've deleted the Linux's partition and now whenever I turn on the computer I get "Partitation not found" grub error... I have no CD drive so I can't insert any repair CDs or XP CD. I'm currently hopeless. And now I can't even load Linux Mint from my USB drive... Can someone help me?

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