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  • Help with deleted components registry keys (2 replies)

    Hello, I did a big mistake and I deleted the path of these files in windows xp registry: System.Workflow.Activities.dll PresentationFramework.Luna.dll RedistList\\FrameworkList.xml The keys that should contain the paths are: [HKEY LOCAL MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S 1 5 18\Components\300DC0511590697408C9B53F71E7AB4A] &quot;0DC1503A46F231838AD88BCDDC8E8F7C&quot; &quot;&quot; [H...

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  • Help with MVC design pattern?

    - by user3681240
    I am trying to build a java program for user login but I am not sure if my MVC design is accurate. I have the following classes: LoginControl - servlet LoginBean - data holder java class with private variables getters and setters LoginDAO - concrete java class where I am running my SQL queries and doing rest of the logical work. Connection class - java class just to connect to the database view - jsp to display the results html - used for form Is this how you design a java program based on MVC design pattern? Please provide some suggestions?

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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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  • Help with Meshes, and Shading

    - by Brian Diehr
    In a game I'm making in LibGdx, I wish to incorporate a ripple effect. I'm confused as to how I get access to the individual pixels on the screen, or any way to influence them (apart from what I can do with sprite batch). I have my suspicions that I have to do it through openGL, and it has something to do with apply a mesh? This brings me to my question, what exactly is a mesh? I've been working on my game for about half a year, and am doing great with the other aspects of the game, but I find this more advance stuff isn't as well documented. Thanks!

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  • Array increment operator

    - by Stardust
    Could any one please tell me the meaning of "++" with array in the following code in Java: int [ ] arr = new int[ 4 ]; for(int i = 0; i < arr.length; i++){ arr[ i ] = i + 1; System.out.println(arr[ i ]++); } what is arr[ i ]++ meaning in above code, and why we can't do like: arr[ i ]++ = i + 1;

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  • Help converting to C++ (6 replies)

    I have two lines of basic C# code System.IO.Directory.CreateDirectory(path); return System.IO.Directory.Exists(path); I want to bury this in a C Win32 Project. My effort so far (that does not work and I do not understand the error messages) is: #using mscorlib.dll using namespace System; using namespace System::IO; bool* clrcall;bool CDirectory(String path) { DirectoryInfo d Directory::CreateDirec...

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  • why no += operator for vectors in stl

    - by Akshay Bhat
    I am curious? What high fundu logic goes behind not implementing: result+=vector1; where both result and vector1 are stl vectors. Note: i know how to implement that bit, but i need to know what logic, the sages who designed STL were using when they chose not to implement this feature?

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  • Help with a CMS for content only not display

    - by user2091756
    Hello I'm trying to make some kind of tool for an school website, what I need to do is to make students take a test and according to what are the results (27 posibilities) they get a set of activities (questions) according to their level which they can solve in around 3 months logging periodically to the website, plus I need teachers to log and look at the reports. Now, I'm a graphic designer myself so my skills are mostly html5 and css3 and I know some php (edit existing ones only) and javascript (jquery) as well, most people tell me that I need a CMS to do the tool but all I find is CMS for display like blogs or news websites which I think aren't useful for me because the website is already made in html and css3 only (I need to add an extra page for the tool) I understand I need to create users and give them special rights according to what type of user they are and I also understand that I need a database where I can store all my questions. What is the best way to do this? what do you suggest me? Thanks

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  • SEO Help - Top 3 Things For High Rankings

    If you're interested in what you can do in order to bring more quality traffic to your website, then this might be some of the most helpful information you'll ever hear. First of all, before you even start to build your website, there is something else you should keep in mind. And no, I'm not talking about keyword research.

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  • How SEO Could Help Business

    Search engine optimisation, often abbreviated to SEO, is the process of increasing the volume of targeted traffic to your website using search engines and specifically their natural listings. Online marketers often use search engine optimisation as one branch of an online marketing campaign.

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  • Help my graphists sharing their work

    - by Andy M
    As a developer I'm used to Subversion for source control and I think it's great for sharing source code between developers. Now thinking about my graphists and game designers, they need to have a slightly different approach I think. They need to share binary files They need to be able to have a thumbnail and preview of their work I don't want to include their binaries into my game repository (would be much too heavy for developer when updating) I've seen that some graphists uses personally created website to share their work but I was wondering if some "standard" application existed in order to provide my graphists a cool way of working together. Is there a common way of dealing with this? Is the way I want to do (only final sprites on my game repo) correct? How do you guys do this as game developers?

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  • Help understanding the migrate wubi documentation?

    - by user110259
    I'm looking at the MigrateWubi page but I'm not sure if I need to change the partition directories to the ones I created, and if so, I'm not too sure which ones I need to change. Here are the partitions I've made: Should I just copy and paste: sudo bash wubi-move.sh /dev/sda5 /dev/sda6 into my terminal or something else? Also, do I enter just this one line or do i need to enter any other commands in there? Thanks!

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  • Five Effective Ways Where a Website Can Help Your Business to Grow and Expand

    The internet has brought significant changes to our ways of living, communication, marketing, and in ways of doing business today. There are major enhancements which we have been enjoying since the emergence of Internet where increase in speed and efficiency, cost saving, existence of virtual office and online courses are some of the major changes we have had over the last 20-30 years.

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  • Wordpress Query Compare operator not working?

    - by Liam
    I have the following wordpress query... $args = array('orderby' => 'meta_value_num', 'meta_key' => 'order', 'order' => 'ASC', 'meta_query' => array( array( 'key' => $customkey, 'value' => $customvalue, 'compare' => '=' ), array( 'key' => $customkey1, 'value' => $customvalue1, 'compare' => '=' ), array( 'key' => 'coverageRegion', 'value' => 'national', 'compare' => '=' ), array( 'key' => 'vehicleType', 'value' => 'psv', 'compare' => '!=' ) ) ); I want to return posts where there custom field 'Vechicle Type' is not PSV, The above however returns posts with exactly that, has anybody come across this before? Seems im not the only one neither... http://wordpress.org/support/topic/meta_query-without-key-results-in-compare-of-not-like-not-working

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  • Problem with default member functions of class in C++ (constructor, destructor, operator=, copy cons

    - by Narek
    We know that compiler generates some member functions for user-defined class if that member functions are not defined but used, isn't it. So I have this kind of code: class AA { }; void main() { AA a; AA b(a); a = b; } This code works fine. I mean no compiler error. But the following code.... class AA { int member1; int member2; }; But this code gives an run time error, because variable "a" is used without being iniltialized!!! So my question is this: when we instantiate an int, it has a value. So why the default constructer doesn't work and by using those two int numbers initializes variable "a"??

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  • Simple question about operator ||

    - by Tristan
    HEllo, i try to do that in FlashBuilder (FlexProject) protected function btn_detail_view_clickHandler(event:MouseEvent):void { CurrentState="Statistiques" || "PartMarche"; } But it's not working, i guess this is not the right syntax but what's the right syntax ? Thanks

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  • Writing a program in C++ and I need help [migrated]

    - by compscinoob
    So I am a new to this. I am trying to write a program with a function double_product(vector< double a, vector< double b) that computes the scalar product of two vectors. The scalar product is $a_{0}b_{0}+a_{1}b_{1}+...a_{n-1}b_{n-1}$. Here is what I have. It is a mess, but I am trying! #include<iostream> #include<vector> using namespace std; class Scalar_product { public: Scalar_product(vector<double> a, vector<bouble> b); }; double scalar_product(vector<double> a, vector<double> b) { double product = 0; for (int i=0; i <=a.size()-1; i++) for (int i=0; i <=b.size()-1; i++) product = product + (a[i])*(b[i]); return product; } int main() { cout << product << endl; return 0; }

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  • Bizzare Java invalid Assignment Operator Error

    - by Kay
    public class MaxHeap<T extends Comparable<T>> implements Heap<T>{ private T[] heap; private int lastIndex; private static final int defaultInitialCapacity = 25; public void add(T newItem) throws HeapException{ if (lastIndex < Max_Heap){ heap[lastIndex] = newItem; int place = lastIndex; int parent = (place – 1)/2; //ERROR HERE********** while ( (parent >=0) && (heap[place].compareTo(heap[parent])>0)){ T temp = heap[place]; heap[place] = heap[parent]; heap[parent] = temp; place = parent; parent = (place-1)/2; }else { throw new HeapException(“HeapException: Heap full”); } } } Eclipse complains that there is a: "Syntax error on token "Invalid Character", invalid AssignmentOperator" With the red line beneath the '(place-1)' There shouldn't be an error at all since it's just straight-forward arithmetic. Or is it not that simple?

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  • help me with my wine, it doesn't work properly

    - by Sebastian Raun Mikkelsen
    When I try to run something with wine, nothing happens! I have many had problems with Ubuntu so I have tried to get Windows 8 back on the computer, but because Ubuntu can't run exe files I can't open the installer. Furthermore my computer can't boot from a CD/DVD anymore after I installed Ubuntu, it turns up with a black screen with a blinking marker at the upper left corner of the screen and after 10 minutes it says something like Can't boot from the selected media device - select another How do I get Windows back?

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  • Bitmap & Object Collision Help

    - by MarkEz
    Is it possible to detect when an object and a bitmap collide. I have an arraylist of sprites that I am shooting with an image. I tried using this method here but as soon as the bitmap appears the sprite disappears, this is in the Sprite class: public boolean isCollision(Bitmap other) { // TODO Auto-generated method stub if(other.getWidth() > x && other.getWidth() < x + width && >other.getHeight() > y && other.getHeight() < y + height); return true; }

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  • Help deciding on an area of study for a PhD [closed]

    - by ale
    I am going to start a PhD in about 1 year. My undergraduate degree is in computer science and my master's is in artificial intelligence. I want to get ideas about what's going to be hot in say 5 years i.e. what could I spend 3-4 years studying to potentially have expertise that will be applicable to industry and the computing world ? Impossible to answer factually but some ideas and thoughts would be great. I have narrowed my ideas down to AI (yes, even more AI) and information security. AI seems to becoming popular again but security is always a going to be useful. From a career point of view, if I were to stay working in software development then this might actually be the best move but I've always wanted to do a PhD! Many thanks :).

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