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  • Cocos2d copied actions not responding?

    - by Stephen
    I am running an animation on 2 sprites like so: -(void) startFootballAnimation { CCAnimation* footballAnim = [CCAnimation animationWithFrame:@"Football" frameCount:60 delay:0.005f]; spiral = [CCAnimate actionWithAnimation:footballAnim]; CCRepeatForever* repeat = [CCRepeatForever actionWithAction:spiral]; [self runAction:repeat]; [secondFootball runAction:[[repeat copy] autorelease]]; } The problem I am having is I call this method: - (void) slowAnimation { [spiral setDuration:[spiral duration] + 0.01]; } and it only slows down the first sprites animation and not the second one. Do I need to do something different with copied actions to get them to react to the slowing of the animation?

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  • Time jumping forward on NTP failure

    - by Dan
    I have been having some weird problems with NTP for a while. If I use ntpdate to set the time then it sets fine. ntpd then invariably fails to find a server (I have loads configured) and decides to set the clock forward about 5 hours. It's a Xen server with dom0 set to a different timezone so I'm not sure if that is interfering with it. How can I make sure I ignore the dom0 time and have ntpd not change the time if it fails to reach a time server? EDIT: I now do not think it is ntpd giving me problems, I turned ntpd off and it jumped forward seemingly randomly.

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  • Multiple domain with one host - SEO pov

    - by Swing Magic
    Lets say i currently have mycompanyname.com domain. and after several time i found that its very hard to hit top of serp. after searching i find there is domain that match with one of my keyword. i build website with 2 language. and im able to assign both of url with different language. my question, impact with SEO? it will have a load of duplicated content between those domain (image video etc). im afraid one of my website will have marked as plagiarist because many of content will be same. anyone experience the same condition? Thank you!

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  • Are log records removed from ldf file for rollbacks?

    - by TiborKaraszi
    Seems like a simple enough question, right? This question (but more targeted, read on) was raised in an MCT forum. While the discussion was on-going and and I tried to come up with answers, I realized that this question are really several questions. First, what is a rollback? I can see three different types of rollbacks (there might be more, of course): Regular rollback, as in ROLLBACK TRAN (or lost/terminated connection) Rollback done by restore recovery. I.e., end-time of backup included some transaciton...(read more)

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  • unable to mount internal disk mount exited with exit code 13

    - by Masri
    My Ubuntu get into error when I try to mount one of my internal disks and it gives this error message: Error mounting: mount exited with exit code 13: $MFTMirr does not match $MFT (record 3). Failed to mount '/dev/sda7': Input/output error NTFS is either inconsistent, or there is a hardware fault, or it's a SoftRAID/FakeRAID hardware. In the first case run chkdsk /f on Windows then reboot into Windows twice. The usage of the /f parameter is very important! If the device is a SoftRAID/FakeRAID then first activate it and mount a different device under the /dev/mapper/ directory, (e.g. /dev/mapper/nvidia_eahaabcc1). Please see the 'dmraid' documentation for more details. pls advise how to solve above error ,Many thanks to you in advance.

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  • Actor based concurrency and cancellation

    - by Akash
    I'm reading about actor based concurrency and I appreciate the simplicity of actors sequentially processing messages on a single thread. However there is one scenario that doesn't seen possible. Suppose that actor A sends a message to actor B, who then performs some long running task and returns a completion message to actor A. How can actor A force actor B to cancel the long running task after it has started? If actor B is running the task in its message queue thread, it won't pick up the cancellation message until it had completed the task; if actor B runs the task in a background thread then it seems to be violating the principle of actors. Is there a common way that this scenario is handled with actors? Or does each actor language/framework take a different approach? Or is this not a suitable problem to tackle via actors?

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  • 12.10 does not boot sometimes from the hard drive, but it does consistently from the CD

    - by Robert
    I have recently switched from Windows 7 to Ubuntu 12.10. I have installed Ubuntu 12.10 and I cleared everything from my computer, but it randomly stops at different screens. Only a purple screen comes up. I can choose Ubuntu from a list and a blinking white dot appears in the top left corner. The previous things happen and the Ubuntu login screen appears an I can log in. It is random. and I have not changed anything. I can always insert the bootable CD and it will work every time.

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  • Expanding on requestaudit - Tracing who is doing what...and for how long

    - by Kyle Hatlestad
    One of the most helpful tracing sections in WebCenter Content (and one that is on by default) is the requestaudit tracing.  This tracing section summarizes the top service requests happening in the server along with how they are performing.  By default, it has 2 different rotations.  One happens every 2 minutes (listing up to 5 services) and another happens every 60 minutes (listing up to 20 services).  These traces provide the total time for all the requests against that service along with the number of requests and its average request time.  This information can provide a good start in possibly troubleshooting performance issues or tracking a particular issue.   [Read More] 

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  • Do Not Uninstall Flag on Apt?

    - by Daniel C. Sobral
    Does the Debian/Ubuntu package infrastructure has some way of marking packages so that they never get uninstalled, no matter the pinning of other packages? My problem is that, sometimes, packages installed by Puppet (coming from non-standard repositories, of course) cause other packages to get uninstalled -- in particular, openssh-{server,client}. The way this happens is that package A and B depend on different versions of package C. If A is installed and one asks to install B, then the version of C changes. The new version of C is incompatible with A, so A gets uninstalled. The funny thing is that the process is then reversed, as, on the next run, Puppet notices that A is not installed and tries to install it. So, basically, I want to make sure A never gets uninstalled, which would prevent B from getting installed. That would be reported as an error, making me aware of the issue. If anyone cares, Puppet uses the following command to install packages: /usr/bin/apt-get -q -y -o DPkg::Options::=--force-confold install <package>

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  • Internet Explorer 10 aborting some stylesheets

    - by Joe
    Strange problem exhibited only with IE10 on Windows 8. No other IE version, no other OS version. Some stylesheets are aborted, apparently in transport, intermittently. This seems to happen when there are three <link> tags in sequence. The tags are correctly specified and are being served from Amazon S3 over HTTPS. The first two items abort when (or prior to) loading. Altering the order of the items appears to make the first two items abort in all cases. This problem is intermittent, and different people can reproduce with differing success. I have seen a lot of conjecture about this on the web but no solution.

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  • Role of linking, object files and executables

    - by Tim
    For a C or assembly program that does not require any other library, will linking be necessary? In other words, will conversion from C to Assembly and/or from Assembly to an object file be enough without being followed by linking? If linking is still needed, what will it do, given that there is just one object file which doesn't need a library to link to? Relatedly, how different are object files and executable files, given that in Linux, both have file format ELF? Are object files those ELF files that are not runnable? Are there some executable files that can be linked to object files? If yes, does it mean dynamical linking of executables to shared libraries?

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  • Cannot login other users since upgrade

    - by Jo Rijo
    I had 10.10 with 4 users and upgraded to 12.04.1 from CD. (in the installation options it detected I had 10.10 and windows installed and I chose the option to upgrade keeping users and their homes and all possible apps) Now the main user works fine but there where none of the other users, only their home directories, so I decided to create new users with the same names and seems to worked fine, there was no extra home directory created so I assume it linked the newly created user with the home directory of the same name, but I can't log in. It accepts the password goes black and takes me back to the login screen (lightDM) If I create a new user with a different name it works fine but then it creates it's own home directory.

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  • How to explain OOP to a matlab programmer?

    - by Oak
    I have a lot of friends who come from electrical / physical / mechanical engineering background, and are curious about what is "OOP" all about. They all know Matlab quite well, so they do have basic programming background; but they have a very hard time grasping a complex type system which can benefit from the concepts OOP introduces. Can anyone propose a way I can try to explain it to them? I'm just not familiar with Matlab myself, so I'm having troubles finding parallels. I think using simple examples like shapes or animals is a bit too abstract for those engineers. So far I've tried using a Matrix interface vs array-based / sparse / whatever implementations, but that didn't work so well, probably because different matrix types are already well-supported in Matlab.

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  • structure problem in Relational DBMS creation

    - by Kane
    For learning and understanding purpose, I currently want to try to make a small relational DBMS with simple features like (for now) only sequential reading/writing and CREATE TABLE, INSERT, SELECT, UPDATE and DELETE management. I am currently on the "think" part of the project and I am stuck on the way to store the read data in memory. First I was thinking of putting them properly on a structure, but the problem is that tables are all different, know the type of each column is not an issue, but I am not sure C provide a way to make fully dynamic structure. My second and current idea is to make a simple char array of the required length and just get the data by order with cast. But I am not sure if it is the good way to do that part, so I wanted to ask for your opinion and advices about that. Thanks in advance for your help. nb: I hope my question is enough clear and understandable, I still lack of pratice in english

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  • How can I handle copyrighted music?

    - by David Dimalanta
    I have a curious question regarding on musics used in music rhythm game. In Guitar Hero for example, they used all different music albums in one program. Then, each album requires to ask permission to the owner, composer of the music, or the copyright owner of the music. Let's say, if you used 15 albums for the music rhythm game, then you have to contact 15 copyright owners and it might be that, for the game developer, that the profit earned goes to the copyright owner or owner of this music. For the independent game developers, was it okay if either used the copyright music by just mentioning the name of the singer included in the credits and in the music select screen or use the non-popular/old music that about 50 years ago? And, does still earn money for the indie game developers by making free downloadable game?

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  • Inconsistent mouse cursor status while typing

    - by Jim
    I have noticed that when I type in some programs, Text Editor, Terminal, Bluefish, Gnome Baker, etc. the mouse cursor disappears while I am typing. In other programs like Firefox and LibreOffice, it does not. I am not an application programmer, but I imagined it has to do with their cross-platform nature and the way they are compiled or the toolkits they use. Then I noticed that Gnome-Do behaves the same way, the cursor stays on screen while typing. Why is there inconsistent handling of the mouse cursor, while typing, across different applications? Thank you.

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  • Phishing alert but file never existed

    - by IMB
    I got an alert from Google Webmasters. They say the following file was present in my host: example.com/~jhostgop/identity.php I checked my files and it never existed at all. I've experience this problem in two different host and domains but the file never existed in my file system. It appears somebody out there is linking a random domain and it prefixes the link with /~jhostgop/identity.php. Now Google may have indexed them so now I get those false phishing alerts. Anyone experienced this? Is it possible to prevent this?

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  • Are keyboard layouts inherently flawed for programmers?

    - by Craige
    Lately I've been noticing my keyboard usage more and more and how it affects my productivity. It brought to mind a question/problem that I believe has not been truly solved in the programming community (partially based on individual preferences). Are all/most keyboard layouts inherently flawed for programmers? What changes to your keyboard layout do you feel would increase your productivity most? Edit Remember when answering that there are a number of different factors that could make a keyboard layout flawed. For instance, if you type as fast as you believe you need to, but hitting common keys is uncomfortable, said keyboard layout could be considered flawed.

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  • Choosing a subject to create a site for

    - by Daniel
    For 6 years I'm working as web developer and I would like to finally create my own site. I thought I have everything needed: programming and administration skills, found a good designer, own servers and understanding how to operate site. But I've missed very important (or the most important) point: how do I find a subject for my site? My hobby and my work are the same: IT, but I don't want to create just another tech blog or news aggregator, I want something different. First I thought things like Google Trends or Google top 1000 could help, but I've got lost in thousands of options I can't see them all (I actually can, but it'll take at least a couple of month). So my question is: how did you start? Where did you get the idea?

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  • Getting started with ClojureScript and Google Closure

    - by Andrea
    I would like to investigate whether ClojureScript, with the associated Google Closure library is a reasonable tool to build modern, in-browser, Javascript applications. My current Javascript stack consists of jQuery, Backbone and RequireJS with the possible additions of some widgets libraries like jQueryUI or KendoUI. So it will be quite a big leap (I already know how to work in Clojure, although I have little experience). What is a good roadmap to do so? Should I learn the Google Closure library first, or can I grasp it together with ClojureScript? One thing I am concerned about is the overall application structure. Backbone is rather opinionated on how to organize your application. I am not sure whether Google Closure also includes some components to help with the design of the application. And, if this is the case, I do not know how to tell whether this structure will port to ClojureScript or a ClojureScript application will require a different organization anyway, and only use - say - the widgets and DOM manipulation features of Closure.

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  • 12.10 Booting Into Variations Of Blank Screen

    - by user93954
    I've been running the Ubuntu 12.10 beta since about a month before the final release with almost no problems. However since the day of release (I'm assuming an update has caused this) I have had problems booting into the actual GUI interface. Trying to get it to work is just a case of hard shutting down until it works, but for most of the time I need to battle with various different kinds of black screens. These include a plain black screen, a flashing line and a flashing line that doesn't fit the resolution. Nine times out of ten the cursor will be displayed over these. It also sometimes manages to boot into Ubuntu, albeit text mode or sometimes it loads GRUB which it isn't setup to do. If anyone could help out with this it'd be great. I really, really don't want to have to go through yet another clean installation. Cheers.

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  • Pixel alignment algorithm

    - by user42325
    I have a set of square blocks, I want to draw them in a window. I am sure the coordinates calculation is correct. But on the screen, some squares' edge overlap with other, some are not. I remember the problem is caused by accuracy of pixels. I remember there's a specific topic related to this kind of problem in 2D image rendering. But I don't remember what exactly it is, and how to solve it. Look at this screenshot. Each block should have a fixed width margin. But in the image, the vertical white line have different width.Though, the horizontal lines looks fine.

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  • Any legal issue in developing app similar to others?

    - by demotics2002
    There is a game I want to develop for mobile devices e.g. cellphone/tablet. I have been looking for this game and couldn't find it so I decide to just do it on my own. But I'm worried that there will be legal issues. I'm sorry but I do not know what is the process in doing this. I noticed for example the game Bejeweled Blitz. If I develop something similar, do I have to contact the developer and ask for permission if I develop a game with similar rules but use shapes rather than jewels? The original game exists only on Windows for free. If I develop the game, exactly similar rules but different display, am I allowed to sell it? Thanks...

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  • Unable to ping ip address between two locations

    - by Derek
    I have two locations office and home. From home I am unable to access my mail server. and from the office I am unable to access my personal web server. now these two locations are about 100 yards away and share the same connection from the isp. Its payed for on the same account. Also they both have different static public ip addresses. office is 216.248.94.xxx and home is 216.51.158.xxx. I cannot ping each address from each location.

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  • How Did we get from CLI to Graphics?

    - by Nathaniel Bennett
    I'm confused when looking into graphics - specifically with operating systems. I mean, how can a computer render a CLI/console along with a GUI. GUI's are completely different from Text. and How Can we have GUI windows that Display Text interfaces, ie how can we have CLI in modern Graphics Operating system - that's what I'm mainly trying to grip on to. How Do Graphic's get rendered to display? is there some sort of memory address that a GPU access which holds all pixel data, and there system's within OS's that Gather the pixel position of Windows and Widgets, along with the Z Index and rasterize them to that memory address, which then the GPU loads to the screen? How About the CLI's integrated with Graphics? how does the OS Tell the GPU that a certain part of the screen wants to display text while the rest, whats to display pixel data? it's all very confusing. Shed some light in it, will ya?

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