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  • With Slick, how to change the resolution during gameplay?

    - by TheLima
    I am developing a tile-based strategy game using Java and the Slick API. So far so good, but I've come to a standstill on my options menu. I have plans for the user to be able to change the resolution during gameplay (it is pretty common, after all). I can already change to fullscreen and back to windowed, this was pretty simple... //"fullScreenOption" is a checkbox-like button. if (fullScreenOption.isMouseOver(mouseX, mouseY)) { if (input.isMouseButtonDown(Input.MOUSE_LEFT_BUTTON)) { fullScreenOption.state = !fullScreenOption.state; container.setFullscreen(fullScreenOption.state); } } But the container class (Implemented by Slick, not me), contrary to my previous beliefs, does not seem to have any resolution-change functions! And that's pretty much the situation...I know it's possible, but i don't know how to do it, nor what is the class responsible! The AppGameContainer class, used on the very start of the game's initialization, is the only place with any functions for changing the display-mode that I've found so far, but it's only used at the very start, and i haven't found a way to travel back to it from my options menu. //This is my implementation of it... public static void main(String[] args) throws SlickException { AppGameContainer app = new AppGameContainer(new Main()); // app.setTargetFrameRate(60); app.setVSync(true); app.setDisplayMode(800, 600, false); app.start(); } I can define it as a static global on the Main, but it's probably a (very) bad way to do it...

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  • HP mini 5102 Ethernet does not work after suspend on Lubuntu 12.10

    - by Marcin
    Ethernet works fine after system is rebooted The onboard card is seen in 'lspci' as: 43:00.0 Ethernet controller: Marvell Technology Group Ltd. Yukon Optima 88E8059 [PCIe Gigabit Ethernet Controller with AVB] (rev 11) After system being suspended the sky2 driver loads but does not enable the NIC. I have noticed that it happens when PC is left suspended for longer period of time (few houres) Trying to reproduce it I have tried to load the sky2 driver with 'modprobe sky2'. Unfortunately typing 'ifconfig -a' for the onboard ethernet adapter does not list the driver once the sky2 driver is loaded. I have searched internet and I found some information about a bug in kernel. Hovewer it was reported in 2010 so I hope it has been fixed. Here it is http://lists.opensuse.org/opensuse-bugs/2010-02/msg01473.html

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  • How to reduce the size of a pdf file?

    - by Nicole
    I'm looking for a way in Ubuntu to reduce the size of a pdf (by reducing the quality of the images). I know that this can be done in Ghostscript by typing the following command in terminal: gs -sDEVICE=pdfwrite -dCompatibilityLevel=1.4 -dPDFSETTINGS=/screen -dNOPAUSE -dQUIET -dBATCH -sOutputFile=output.pdf input.pdf The problem is that I can't specify the quality with any accuracy. The parameter -dPDFSETTINGS=/screen is the one that decides the quality; but the alternatives are quite rigid (for example it is possible to do -dPDFSETTINGS=/ebook for slightly better quality). I'm looking for a way to reduce the size of a pdf in a way that allows me to specify the desired quality numerically. I know that this is possible in a Mac, so it must be possible in Linux -- right? Any help would be well appreciated.

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  • IIS: Content-Length 0 for CSS, Javascript and Images

    - by Adrian Grigore
    After a clean re-installation of my Windows 7 system, I can't get IIS 7 to properly deliver any static content. Dynmic content (ASPX pages and content served by ASP.NET MVC controllers) works fine, but static files such as CSS, Javascript and Images give me a 200 OK status code and a Content-Length of 0. The problem occurs with all web sites on my server, even a brandnew ASP:NET MVC template project with no changes. It also occurs with both Firefox and IE 8. What could possibly be the problem? Note that I also installed the latest Windows Azure SDK, perhaps that messed up some settings. But I don't know how to proceed with for troubleshooting this.

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  • Text box select issue

    - by Kent Boogaart
    I have this issue where the entire text in text boxes is selected whilst I'm typing in it. For example, in FireFox search box I'd try to type "foo" but end up with "o" because I managed to type "fo" before everything was selected, and then typed "o" which replaced the "fo". When it happens, it is incessant - not just a one-off. But it doesn't happen all the time, and I haven't managed to figure out what causes it to start and stop. Is this a known problem with an easy solution? EDIT: this has nothing to do with touchpad. I get this occasionally even on a machine without one. I can usually rectify the issue just be alt-tabbing about a few times.

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  • Lubuntu 14.04 graphics problem on portege r100

    - by user286069
    first of all I have to say that I am not an expert. I have installed Lubuntu 14.04 on my Portege R100. The problem is that the graphics session does not start. Actually I can do all but only by command line. I try to start Xsession but nothing happens. Actually by typing startx the system stop to works. I read several threads on this topic but I did not find such kind of problem. There is something similar about portege r100 concerning lowgraphics mode but the porblem I have seems to be different because graphics session does not start. Can anyone help me ? Thank you Best

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  • Cursor seems to freeze in the first attempt to type - Unity 3D, 12.04

    - by Denis
    It happens in the first attempt of typing, no matter is after the startup, or 5 minutes later, or then after. The cursor (or maybe it's the system) seems to freeze, no matter the application I use, taking up 4 to 5 sec to appear what is typed. Subsequently, everything is normal, using another applications. @Anwar Shah suggested it could be a daemon waiting to run before the lauching of the first application. Turning off Zeitgest didn't help. It occurs only with Unity-3d. Tested with Unity-2d, everything is fine. Tried to change some Compiz settings, nothing worked, although not tested with every single parameter. Also I deactivated Ati proprietary driver, no effect. My system: AMD E350 1.6Gh, 2G-Ram, ATI graphics - Ubuntu 12.04, 64bits. Is that what I should expect, or can be fixed or improved? Thanks.

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  • Languages with a clear distinction between subroutines that are purely functional, mutating, state-changing, etc?

    - by CPX
    Lately I've become more and more frustrated that in most modern programming languages I've worked with (C/C++, C#, F#, Ruby, Python, JS and more) there is very little, if any, language support for determining what a subroutine will actually do. Consider the following simple pseudo-code: var x = DoSomethingWith(y); How do I determine what the call to DoSomethingWith(y) will actually do? Will it mutate y, or will it return a copy of y? Does it depend on global or local state, or is it only dependent on y? Will it change the global or local state? How does closure affect the outcome of the call? In all languages I've encountered, almost none of these questions can be answered by merely looking at the signature of the subroutine, and there is almost never any compile-time or run-time support either. Usually, the only way is to put your trust in the author of the API, and hope that the documentation and/or naming conventions reveal what the subroutine will actually do. My question is this: Does there exist any languages today that make symbolic distinctions between these types of scenarios, and places compile-time constraints on what code you can actually write? (There is of course some support for this in most modern languages, such as different levels of scope and closure, the separation between static and instance code, lambda functions, et cetera. But too often these seem to come into conflict with each other. For instance, a lambda function will usually either be purely functional, and simply return a value based on input parameters, or mutate the input parameters in some way. But it is usually possible to access static variables from a lambda function, which in turn can give you access to instance variables, and then it all breaks apart.)

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  • Windows 7 Default Gateway problem

    - by Matt
    I have a strange problem (or at least seems strange to me) the below are IP configurations for two laptops on my home network which consists of a main router 192.168.11.1 and a connected wireless router (i know this can cause problems but has always worked until I got the win7 machine) at 192.168.11.2 with DHCP disabled. Laptop 1 - Win XP IP: Dynamically assigned by main router default gateway: 192.168.11.1 (main router) This machine gets perfect connectivity. Laptop 2 - Win7 IP: dynamically assigned by main router Default Gateway: 192.168.11.2 THIS IS THE PROBLEM... I cannot seem to get this machine to default to the main router for the gateway UNLESS I go to a static configuration which I would rather not do since I regularly go between my home and public networks. Why is my Win7 machine not finding the main gateway the same way that the other laptop is? I believe that the rest of my setup is fine as it has always worked and it works perfectly when set as static ip and gateway. Please help! Thanks

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  • How do I get a D-Link DWL-G520 working?

    - by human33
    I have Ubuntu 12.04 on an older desktop PC, and I am finding it much harder to connect to a wifi connection than it should be. I have an iPhone with which I want to tether to it with Mifi 4.0, but I need to install ipheth which I can't do without internet on that computer. I am typing from my other windows pc with which i can download and move hings with thumb drives, but haven't gotten keryx to work. I also found a D-Link DWL-G520 HIGH SPEED 2.4GHZ (802.11G) WIRELESS 108MBPS PCI ADAPTER which I installed, but can't find a driver to put on a flashdrive to use it. If anybody has any ideas, they are appreciated. I am a noob, and I don't want to have to move the comp. downstairs to plug into the modem. PS: I also have a netgear USB network adapter, which doesn't work with my Ubuntu.

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  • Problem after upgrading to 14.04: Unable to mount - Not authorized

    - by Elisa Velasco Lorenzo
    This is the first time I ever post on this forum. I have used Ubuntu for 7 years, and every time I've had a problem, I have browsed the web and I have been able to solve it thanks to the help given on forums to other users experiencing the same issues (I do not have technical knowledge on Ubuntu). This time, I've spent hours reading forums and typing commands and nothing helps. I am exhausted. Upgrading to 14.04 has proved itself a mistake. Many things won't work anymore. But the one which worries me right now is external media not automounting anymore. I know other people have had the same issue and I have carefully read their threads, but nothing helps!!

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  • Google+ Platform Office Hours for May 16th, 2012: Hangouts API v1.1

    Google+ Platform Office Hours for May 16th, 2012: Hangouts API v1.1 This week we discussed the latest release of the Hangouts API, v1.1. JD Salazar and Richard Dunn from the Hangouts API engineering team joined us to help your answer questions. Discussion this session on Google+: goo.gl You can learn more about our office hours here: goo.gl 0:29 - Introductions 2:50 - Richard gives us an overview of what's new in Hangouts API v1.1 8:57 - What are the default scales for the static overlays? 9:25 - Will the static overlay scale ratio change during the hangout? 10:13 - What is the resolution of the feed? How do I ensure my overlays match the quality? 12:49 - How do I know if an image resource has failed to load? 16:33 - Can we have animated gifs as overlays? 19:44 - Loaded overlays do not clear upon deletion. How many can I load before I encounter issues? 21:48 - Are sound overlays played to all participants or only locally? What about sound cancellation? 23:27 - How do you uninstall a Hangout app? 25:41 - Can I make an app that uses drag and drop onto the film strip? 26:55 - Can we embed participant thumbnails elsewhere on the screen? 28:33 - How can I determine a consistent ordering for hangout participants? 31:35 - Can I access Picasa photos uploaded by another user within a hangout? Gerwin demonstrates his solution. 31:14 - How do I know when my hangout app has been unloaded for the purposes of doing cleanup? 39:28 - Will face tracking ever support multiple faces? 40:41 - Can I use WebGL in a hangouts app? 42:09 - I'm having issues with <b>...</b> From: GoogleDevelopers Views: 2032 18 ratings Time: 53:05 More in Science & Technology

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  • How can I restart compiz from tty? (& Related, how can I set up a fallback WM?)

    - by Jon
    So I'm testing Natty, and Compiz keeps crashing on me. I expect this sort of thing from alpha software, of course, but it doesn't always give me the option to restart compiz, and for some reason doesn't have a fallback WM configured. Without a window manager, all my programs are still running, but they're not accepting input from the keyboard, and I can't switch between them. I can, however, press Ctrl+Alt+F1 and get a terminal, and I can killall Xorg to reset everything, but I'd rather just reset compiz if possible. If I try typing compiz --replace there in the tty, it complains "fatal--couldn't open display." Is there a way to have tty1 restart compiz? Like compiz --replace --display=something? Additionally, is there a way to configure a fallback window manager so that there's an easier way to recover from compiz crashing?

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  • pointer jumping about Lubuntu 12.04

    - by Gary Kirkpatrick
    Using 12.04 on a Samsung NC110. If I disable Touchpad, the cursor does not jump about while typing. This is very very annoying. Tried this tutorial, but this does not help. The problem occurs even when my fingers are well away from the Touchpad. I wonder if another key or key combination causes this problem? I sure could use some help on this. I have had this problem with various versions of Ubuntu and now Lubuntu.

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  • How do I allow a standard user to update the kernel modules for VMware?

    - by GUI Junkie
    I've set up VMWare Player for my wife. Every once in a while (notably after a kernel update), the VMWare Player needs to be compiled into the kernel. My spouse does not have su- activated (if anybody screws up the OS, it's going to be me). I'd like to give her permission to do this, but only for that program. Is this possible? Can it be done safely (for the OS)? How can it be done? Edit: I tried to add the following to visudo guijunkette ALL=(ALL) NOPASSWD: /usr/bin/vmware-modconfig When running with her user, after typing her password, the following error occurred: So, in the end, no cigar. Edit: I've given up on VMWare Player and moved to VirtualBox. Made a clean install.

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  • Not Quite Multiseat

    - by user2773520
    I am attempting to create a pair programming environment sort of set up like multiseat: https://help.ubuntu.com/community/MultiseatX[1] or https://help.ubuntu.com/community/MultiseatOneCard[2] (as the standard issue boxes only have one graphics card) The thing is, I only want one login session, just with 2 monitors, keyboards, and mice. As well as having 2 active applications (so 2 people can be typing independantly). They should ideally be able to mouse over and click & type in the other persons monitor, as well as move windows between the montors. Does anybody know of anything like this that will work? We are running Ubuntu 12.04.

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  • How to tell your boss that he's a bad programmer? [closed]

    - by Doe
    Possible Duplicate: How to tell your boss that his programming style is really bad? There was a question about the boss having a bad programming style (weird booleans, empty loops, etc.) Having a bad/weird style does not imply being a bad programmer, but my situation is different. My boss outputs some really nasty code for the project, on which we are working together (just two of us). Examples: functions that span over several screens (big screens - 1900 x 1200) Deeply nested Conditional and Loop statements (up to 10 levels!!) Too much static variables, singletons, and both (singleton class with all the methods and members also static) Sometimes the code committed to the version control system does not even compile! Copy-Paste code instead of separating it into an independent function. Fail all the deadlines. "This's [C#|Java|Python] it shouldn't be efficient, that's why we loop all over the haystack to find the needle." "This's C/C++, it's fast enough to loop all over the haystack to find the needle." There is much more to mention... But the worst is that I have to redo much of the stuff he does, my code, which I try to keep clean is often polluted with above-mentioned atrocities. He's reaching 30 soon, so all his skills are established, and I don't even know if it's possible to change something. I like the project, but sometimes I just want to quit...

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  • does not boot after install, my troubleshooting and google fu have failed me

    - by chris
    I can only get an install to "stick" if I use shred to zerofill my drive first. Otherwise, when I install ubuntu or lubuntu 12.04, I will get "grub rescue: out of disk". With the aforementioned (completely default) install on top of a zerofilled drive, then rebooting after installing updates will tell me there is no operating system. I don't even get to grub. Installing on top of the failed install, while choosing "erase ubuntu 12.04 and reinstall", I get the grub rescue: out of disk error. The hard drive has been repeatedly tested and does not have any read or write errors. I've used check disk for errors on the pen drive I'm installing from and it comes up clean as well. The system is an inspiron 6000, with 1gb ram and a 250 gb hard drive. I'm typing this from a live cd on the same machine. What gives?

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  • Menus and text boxes look graphically corrupted in 12.10

    - by Stanton.Sculpture
    If I let my computer run long enough the screen gets glitchy or graphically corrupted only in certain areas i.e. in text related boxes, menus, menu bars, scroll bars, the system monitor window, etc. It becomes difficult to read what I am typing. Its been happening quite often and I can only fix it by restarting the computer, but its only a matter of time before it happens again. Don't know what else to do, its been a thorn in my side for quite some time now and I need a fix soon because its only gets more frequent until I'm rebooting my computer five times a day. I attached a picture of what happens to this bug report: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1083474 I know I can repeat this bug but I don't know how to catch it and document it. Any help would be greatly appreciated. Thank you

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  • Recursion in F#

    - by MarkPearl
    Things are slowly coming together – I was able to look at a bit of F# code and intuitively know what it was going to do (yay)… So today I saw a blog post by Bob Palmer on Fibonacci numbers in F# which inspired me to look at bit into recursion. First the C# example… class Program { public static void CountDown(int n) { switch (n) { case 0: Console.WriteLine("End of Count"); break; default: Console.WriteLine(n); CountDown(n-1); break; } } static void Main(string[] args) { CountDown(10); Console.ReadLine(); } }   In F#, the equivalent would look something like this… open System let rec CountDown n = match n with | 0 -> Console.WriteLine("End of Count"); | n -> Console.WriteLine(n); CountDown (n-1); CountDown 10 Console.ReadLine()   Pretty simple stuff. With F# you when making recursive calls you need to explicitly declare that the function is recursive with the “rec” keyword. Otherwise the code is pretty easy to read and self explanatory.

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  • How do I get VirtualBox to work?

    - by Karasu
    I can't seem to make VirtualBox to work, I've installed it and reinstalled by 3 ways: Terminal, Ubuntu Software Center and VirtualBox's official web site installation and I keep getting the same kernel error. I found a "solution" to this problem by typing in terminal: sudo apt-get install virtualbox-dkms But it tells my that "virtualbox-dkms is already the newest version". Then I typed in terminal what the error tells me: sudo /etc/init.d/vboxdrv setup but then I tells me that DKMS is actually NOT installed (which is a contradiction). If anyone has encountered the same problem and actually solved it please tell me and explain me step by step 'cause I'm new to Linux.

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  • Accidentally hit shortcut and lost text in web browser. Can it be disabled?

    - by uniomni
    I have noticed that I occasionally hit some shortcut while typing that either kills the browser or otherwise causes me to lose e.g. a post I am writing. This typically happens if I type while on a bumpy road or something like that. It also just happened to my eight year old daughter ;-( I think the shortcut in question is CTRL-w which (at least in Firefox) closes the current tab and consequently whatever content is being written. I would like to know if anyone has noticed this and if someone has a solution e.g. a way to disable "dangerous" shortcuts if at all possible. Many thanks Ole (uniomni)

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  • Is it bad practice to use <?= tag in PHP

    - by marco-fiset
    I've come across this PHP tag <?= ?> recently and I am reluctant to use it, but it itches so hard that I wanted to have your take on it. I know it is bad practice to use short tags <? ?> and that we should use full tags <?php ?> instead, but what about this one : <?= ?>? It would save some typing and it would be better for code readability, IMO. So instead of this: <input name="someVar" value="<?php echo $someVar; ?>"> I could write it like this, which is cleaner : <input name="someVar" value="<?= $someVar ?>"> Is using this operator frowned upon?

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  • setting up freedns with an existing domain

    - by romeovs
    I've been running a webserver off of a pc at a static IP succesfully for the past 5 months. recently however, I've moved into another appartment and my ISP only provides a dynamic IP (my IP changes from time to time). I'm not an internet genius but I was thinking to fix this by using a Dynamic DNS provider. So I got on the web and found freedns. I'm a bit confused about how to set up everything though. I've managed to succesfully install the IP updater daemon on my web server. Then, in my registrars control panel, I set the NS records to point at ns1 through ns4.afraid.org (removing the old NS records). I'm not certain what I should do with the A records though (for now they are still pointing to the old static IP address). I have A records for www, blog, irc, etc. but I cannot point them at my new IP address, because it isn't Could someone explain this in the clearest possible sense (perhaps elaborating on what happens at each step of the DNS process). I never really knew what the A records are for anyway. (note that I haven't really found any documentation at the freedns website, or on google)

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  • Python lower_case_with_underscores style convention: underscores not popular?

    - by squirrel
    PEP8 recommends using lowercase, with words separated by underscores as necessary to improve readability for variable and function names. I've seen this interpreted as lower_case_with_underscores by most people, although in practice and in Python's native methods it seems like lowercasewithoutunderscores is more popular. It seems like following PEP8 strictly would be awkward since it seems to suggest mixing both lower_case_with_underscores and lowercasewithoutunderscores, which would be inconsistent. What is your interpretation of PEP8's variable names, and what do you actually use in practice? (Personally, I like lowerCamelCase as a compromise between readability and ease of typing.)

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