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  • Projectile Rotation

    - by Alex
    I'm trying to add a projectile system like the projectiles in Realm Of The Mad God. (YouTube it to see what I mean) These projectiles seem to move according to their rotation perfectly and can have nearly any rotation. They also have near perfect hitboxing. What's the maths behind this? My Game works on an integer-based coordinate system, but at the moment projectiles can only shoot either 0, 45, 90, 135, 180, 225, 270 and 315 degrees.

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  • Web Analytics For Your Website

    The process of analyzing, gathering and measuring the behavior and activity of every user on different websites is termed as web analytics. Although it sounds like some complex configuration, it is of great use to amateur retailers and web page developers.

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  • git workflow for separating commits

    - by gman
    Best practices with git (or any VCS for that matter) is supposed to be to have each commit do the smallest change possible. But, that doesn't match how I work at all. For example I recently I needed to add some code that checked if the version of a plugin to my system matched the versions the system supports. If not print a warning that the plugin probably requires a newer version of the system. While writing that code I decided I wanted the warnings to be colorized. I already had code that colorized error message so I edited that code. That code was in the startup module of one entry to the system. The plugin checking code was in another path that didn't use that entry point so I moved the colorization code into a separate module so both entry points could use it. On top of that, in order to test my plugin checking code works I need to go edit UI/UX code to make sure it tells the user "You need to upgrade". When all is said and done I've edited 10 files, changed dependencies, the 2 entry points are now both dependant on the colorization code, etc etc. Being lazy I'd probably just git add . && git commit -a the whole thing. Spending 10-15 minutes trying to manipulate all those changes into 3 to 6 smaller commits seems frustrating which brings up the question Are there workflows that work for you or that make this process easier? I don't think I can some how magically always modify stuff in the perfect order since I don't know that order until after I start modifying and seeing what comes up. I know I can git add --interactive etc but it seems, at least for me, kind of hard to know what I'm grabbing exactly the correct changes so that each commit is actually going to work. Also, since the changes are sitting in the current directory it doesn't seem like it would be easy to run tests on each commit to make sure it's going to work short of stashing all the changes. And then, if it were to stash and then run the tests, if I missed a few lines or accidentally added a few too many lines I have no idea how I'd easily recover from that. (as in either grab the missing lines from the stash and then put the rest back or take the few extra lines I shouldn't have grabbed and shove them into the stash for the next commit. Thoughts? Suggestions? PS: I hope this is an appropriate question. The help says development methodologies and processes

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  • Flags with deferred use

    - by Trenton Maki
    Let's say I have a system. In this system I have a number of operations I can do but all of these operations have to happen as a batch at a certain time, while calls to activate and deactivate these operations can come in at any time. To implement this, I could use flags like doOperation1 and doOperation2 but this seems like it would become difficult to maintain. Is there a design pattern, or something similar, that addresses this situation?

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  • Ubuntu 12.04 partial freeze

    - by user1550594
    While working on the system suddenly if i open a random file or start browsing and on other random moments the system starts hanging or start responding slowly. In this situation, i can able to open the virtual console using the Ctrl + Alt + F1-F6 and type the top and list the processes. Due to urgency, i will kill the long running processes or the over memory utilizing process to recover the screen back. Can anyone give me a permanent fix.!

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  • Unittest test case only touches the file name

    - by Chen OT
    I was told that unittest is fast and the tests which touches DB, across network, and touches FileSystem are not unittest. In one of my testcases, its input are the file names (amount about 300~400) under a specific folder. Although these input are part of file system, the execution time of this test is very fast. Should I moved this test, which is fast but touches file system, to higher level test?

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  • Can Your Web Design Company Choose the Right SEO Keywords?

    When you are trying to achieve good results in the search engines, it sounds obvious, but you want your website to appear high in the results for the most popular searches, and you need to be certain that your web design company can find out what these are. Finding out what the most popular searches are in your sector can throw up a few surprises!

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  • The Linux Desktop isn't Dead, it's Pining

    <b>DaniWeb: </b>"I know it sounds crazy but the Linux Desktop isn't dead, it's just pining. It's pining for the correct platform--a tablet computer. And, I'm not referring to some cheap imitation tablet that will merely satisfy a few observers and nerdlets who use Linux. I'm thinking of a tablet computer for hardcore Linux moguls."

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  • A new number one

    - by nospam(at)example.com (Joerg Moellenkamp)
    The Top500 supercomputer list has a new number one: The K Computer, built by Fujitsu, currently combines 68544 SPARC64 VIIIfx CPUs, each with eight cores, for a total of 548,352 cores?almost twice as many as any other system in the TOP500. The K Computer is also more powerful than the next five systems on the list combined.Interestingly this system runs under Linux. And it uses tofu as its interconnect

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  • Help recovering broken OS (permissions issue)

    - by Guandalino
    (At the bottom there is an important update.) I was doing experiments in order to backup a remote account to my local system, Ubuntu 12.04 LTS. I'm not confident with duplicity and probably, due to wrong syntax, some local files have been replaced with remote files. This is just a supposition, I'm not sure this is the real cause of OS corruption. The corruption happened after experimenting with backups, so I think I did something wrong at this regard. I was aware there was a problem when I tried to access a command using sudo: $ sudo ls sudo: unable to open /etc/sudoers: Permission denied sudo: no valid sudoers sources found, quitting sudo: unable to initialize policy plugin This is how /etc/sudoers looks like: $ ls -ald /etc/sudoers -r--r----- 1 root root 788 Oct 2 18:30 /etc/sudoers At this point I tried to reboot and now this is the message I get: The system is running in low graphics mode. Your screen, graphics card and input device settings could not be detected correctly. You will need to configure these yourself. I tried to follow the wizard to configure these settings, but without luck (the system prevents me going on when I press "Next"). The thing that makes me a bit less worried is that all the data on the disk seems readable and I'm able to access them using a live cd. I run memtest and RAM seems to be OK. Do you have any idea about how to recover my system? I'm very glad to provide further information, just let me know what info could be helpful. UPDATE. The issue is about wrong permissions and this is how I discovered: I mounted the root partition of the broken OS on /mnt/broken/ (live CD) and did ls /mnt/broken/. I got a permission denied error, while I expected to have the directory listing. I had to do sudo ls /mnt/broken/ and this worked. Thus without having root permission via sudo it's impossible to access the root of broken os. The current output of ls -ld /mnt/broken/ is: drwxr-x--- 29 1000 812 4096 2012-12-08 21:58 /mnt/broken Any thoughts on how to restore the old (working) set of permissions?

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  • Information About Mambo and Joomla

    JOOMLA and MAMBO was originally developed by a team called Mambo. In 2005, the main developers of Mambo left the team and build the JOOMLA system. Regardless of the history of these two systems, they have turn into a leading hosting system in the industry. These two CMS platform software is the most easiest to use and manage content management that is why it is the most preferred CMS software by most web developer.

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  • How to enable dual monitors with two ATI Radeon 4350 HD graphics cards?

    - by Christophski
    I have bought two ATI Radeon 4350 HD graphics cards and they both work well seperately. But only the first one will output most of the time. If I go to System - Appearance - Monitors it will only detect the monitor on the first graphics card. I have check using hardinfo and the system has definitely detecting both of the graphics cards so I don't know why it isn't detecting the monitor. I am running Maverick 64 bit

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  • Which game engine for HTML5 + Node.js

    - by Chrene
    I want to create a realtime multiplayer game using and HTML5. I want to use node.js as the server, and I only need to be able to render images in a canvas, play some sounds, and do some basic animations. The gameloop should be done in the server, and the client should do callback via sockets to render the canvas. I am not going to spend any money on the engine, and I don't want to use cocos2d-javascript.

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  • Graphic crash after Ubuntu 12.04 minor update

    - by user68753
    My problem came after doing a normal packages update in 12.04 and then reboot to never been able to boot normally, it appear the "The system is running in low-graphics mode" window and then I tried to fix the problem reinstalling the gmd. Now I'm reinstalling the whole system, from the USB boot it went everything as usual before that update. I just want to never have to reinstall Ubuntu in this way again. Any thoughts? I'm using Ubuntu 12.04 LTS on an Acer Aspire One D255

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  • Connect to wifi ubuntu 14.04 (new ubuntu user)

    - by user289168
    I have recently changed my operating system from windows 8 to ubuntu 14.04, when trying to connect to the network via wifi the system just keeps asking for my password over and over without connecting. The connectivity through an Ethernet cable is perfectly fine however and my wifi worked fine through windows 8, I have very little ubuntu knowledge so i apologise if the right information is not shown in this question. Just wondering if there was any known problems or if anyone has seen this before? Thanks in advance for any help, Tom

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  • Which is the SEO Software For Me?

    Buying SEO software is not as quick and easy as it sounds. There are a lot of software packages out there that claim to make millions for you in just a few days- for a price, of course. But before handing over that money, there are few things you should know about SEO.

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  • Android OS Now Used To Drive Real Robots

    <b>Robot Reviews:</b> "For those wondering about the propriety of the name "Android" as a mobile device operating system, wonder no more because its real purpose has finally been revealed. It's really an operating system for robots."

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  • Cannot access Compiz Config

    - by Xor power
    I was going through one article here and the topic was "Changing the Size and Appearance of the Unity Launcher" which required to open up CompizConfig from System Settings -- Desktop. I could find System Settings and could reach to control panel but cannot locate either Desktop or CompizConfig. When i go to Software center and search for compizconfig, it says that it is already installed.But when i search it from the list of installed applications, i couldn't find it.??

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  • Preventing Problems in SQL Server

    It is never a good idea to let your users be the ones to tell you of database server outages. It is far better to be able to spot potential problems by being alerted for the most relevant conditions on your servers at the best threshold. This will take time and patience, but the reward will be an alerting system which allows you to deal more effectively with issues before they involve system down-time

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  • In dependency injection, is there a simple name for the counterpart of the injected object?

    - by kostja
    In tutorials and books, I have never seen a single word describing the object that the injected object is injected into. Instead, other terms are used, like "injection point" which don't denote the object containing the injected object. And nothing I can think of sounds right, except maybe "injection target" - but I have never read it anywhere. Is there a single word or a simple expression for it, or is it like the "He-Who-Must-Not-Be-Named" from a recent fantasy book series?

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  • Game-over! Gaining Physical access to a computer

    Security requires defense in depth. The cleverest intrusion detection system, combined with the best antivirus, won’t help you if a malicious person can gain physical access to your PC or server. A routine job, helping a family member remove a malware infection, brings it home to Wesley just how easy it is to get a command prompt with SYSTEM access on any PC, and inspires him to give a warning about the consequences.

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