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  • Week in Geek: Microsoft Security Essentials Loses its Certification after Failing AV Test

    - by Asian Angel
    Our first edition of WIG for December is filled with news link coverage on topics such as the Windows XP countdown clock has dropped to less than 500 days, software pirates have released a tool to crack Windows 8 apps, an online service is offering bank robbers for hire, and more. HTG Explains: Does Your Android Phone Need an Antivirus? How To Use USB Drives With the Nexus 7 and Other Android Devices Why Does 64-Bit Windows Need a Separate “Program Files (x86)” Folder?

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  • Adding tolerance to a point in polygon test

    - by David Gouveia
    I've been using this method which was taken from Game Coding Complete to detect whether a point is inside of a polygon. It works in almost every case, but is failing on a few edge cases, and I can't figure out the reason. For example, given a polygon with vertices at (0,0) (0,100) and (100,100), the algorithm is returning: True for any point strictly inside the polygon False for any of the vertices False for (0, 50) which lies on one of the edges of the polygon True (?) for (50,50) which is also on one of the edges of the polygon I'd actually like to relax the algorithm so that it returns true in all of these cases. In other words, it should return true for points that are strictly inside, for the vertices themselves, and for points on the edges of the polygon. If possible I'd also like to give it enough tolerance so that it always tend towards "true" in face of floating point fluctuations. For example, I have another method, that given a line segment and a point, returns the closest location on the line segment to the given point. Currently, given any point outside the polygon and one of its edges, there are cases where the result is categorized as being inside by the method above, while other points are considered outside. I'd like to give it enough tolerance so that it always returns true in this situation. The way I've currently solved the problem is an hack, which consists of using an external library to inflate the polygon by a few pixels, and performing the tests on the inflated polygon, but I'd really like to replace this with a proper solution.

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  • Running Built-In Test Simulator with SOA Suite Healthcare 11g in PS4 and PS5

    - by Shub Lahiri, A-Team
    Background SOA Suite for Healthcare Integration pack comes with a pre-installed simulator that can be used as an external endpoint to generate inbound and outbound HL7 traffic on specified MLLP ports. This is a command-line utility that can be very handy when trying to build a complete end-to-end demo within a standalone, closed environment. The ant-based utility accepts the name of a configuration file as the command-line input argument. The format of this configuration file has changed between PS4 and PS5. In PS4, the configuration file was XML based and in PS5, it is name-value property based. The rest of this note highlights these differences and provides samples that can be used to run the first scenario from the product samples set. PS4 - Configuration File The sample configuration file for PS4 is shown below. The configuration file contains information about the following items: Directory for incoming and outgoing files for the host running SOA Suite Healthcare Polling Interval for the directory External Endpoint Logical Names External Endpoint Server Host Name and Ports Message throughput to be simulated for generating outbound messages Documents to be handled by different endpoints A copy of this file can be downloaded from here. PS5 - Configuration File The corresponding sample configuration file for PS5 is shown below. The configuration file contains similar information about the sample scenario but is not in XML format. It has name-value pairs specified in the form of a properties file. This sample file can be downloaded from here. Simulator Configuration Before running the simulator, the environment has to be set by defining the proper ANT_HOME and JAVA_HOME. The following extract is taken from a working sample shell script to set the environment: Also, as a part of setting the environment, template jndi.properties and logging.properties can be generated by using the following ant command: ant -f ant-b2bsimulator-util.xml b2bsimulator-prop Sample jndi.properties and logging.properties are shown below and can be modified, as needed. The jndi.properties contains information about connectivity to the local Weblogic Managed Server instance and the logging.properties file controls the amount of logging that can be generated from the running simulator process. Simulator Usage - Start and Stop The command syntax to launch the simulator via ant is the same in PS4 and PS5. Only the appropriate configuration file has to be supplied as the command-line argument, for example: ant -f ant-b2bsimulator-util.xml b2bsimulatorstart -Dargs="simulator1.hl7-config.xml" This will start the simulator and will keep running to provide an active external endpoint for SOA Healthcare Integration engine. To stop the simulator, a similar ant command can be used, for example: ant -f ant-b2bsimulator-util.xml b2bsimulatorstop

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  • Mail Permissions on a File Server Resource Manager Server

    - by JohnyV
    In 2008 server the File resource manager can be set up to alert users when they go over their quota etc. This is all configured however the email notifications are not working. They have been configured but the event log shows that the user does not have permission to send to the exchange server. There isnt an option to chosse who to send the email from. Is there a way to get this to work? Thanks

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  • How to unit test image processing code?

    - by rold2007
    I'm working in image processing (mainly OCR) and I wonder how I should integrate unit tests in my development. I'm already using unit tests for more "common" type of code but when dealing with image processing code I'm not sure how to deal with it. This kind of code always need some image data input/output and mocking this is not obvious. For now I'm mostly doing integration tests but they take a while to run and I would like some ideas on how to break down this kind of code into unit tests so that I can run them more quickly.

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  • How does one unit test an algorithm

    - by Asa Baylus
    I was recently working on a JS slideshow which rotates images using a weighted average algorithm. Thankfully, timgilbert has written a weighted list script which implements the exact algorithm I needed. However in his documentation he's noted under todos: "unit tests!". I'd like to know is how one goes about unit testing an algorithm. In the case of a weighted average how would you create a proof that the averages are accurate when there is the element of randomness? Code samples of similar would be very helpful to my understanding.

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  • InvalidProgramException Running Unit Test

    - by Anthony Trudeau
    There is a bug in the unit testing framework in Visual Studio 2010 with unit testing.  The bug appears in a very special circumstance involving an internal generic type. The bug causes the following exception to be thrown: System.InvalidProgramException: JIT Compiler encountered an internal limitation. This occurs under the following circumstances: Type being tested is internal or private Method being tested is generic  Method being tested has an out parameter Type accessor functionality used to access the internal type The exception is not thrown if the InternalsVisibleToAttribute is assigned to the source assembly and the accessor type is not used; nor is it thrown if the method is not a generic method. Bug #635093 has been added through Microsoft Connect

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  • C# Collision test of a ship and asteriod, angle confusion

    - by Cherry
    We are trying to to do a collision detection for the ship and asteroid. If success than it should detect the collision before N turns. However it is confused between angle 350 and 15 and it is not really working. Sometimes it is moving but sometime it is not moving at all. On the other hand, it is not shooting at the right time as well. I just want to ask how to make the collision detection working??? And how to solve the angle confusion problem? // Get velocities of asteroid Console.WriteLine("lol"); // IF equation is between -2 and -3 if (equation1a <= -2) { // Calculate no. turns till asteroid hits float turns_till_hit = dx / vx; // Calculate angle of asteroid float asteroid_angle_rad = (float)Math.Atan(Math.Abs(dy / dx)); float asteroid_angle_deg = (float)(asteroid_angle_rad * 180 / Math.PI); float asteroid_angle = 0; // Calculate angle if asteroid is in certain positions if (asteroid.Y > ship.Y && asteroid.X > ship.X) { asteroid_angle = asteroid_angle_deg; } else if (asteroid.Y < ship.Y && asteroid.X > ship.X) { asteroid_angle = (360 - asteroid_angle_deg); } else if (asteroid.Y < ship.Y && asteroid.X < ship.X) { asteroid_angle = (180 + asteroid_angle_deg); } else if (asteroid.Y > ship.Y && asteroid.X < ship.X) { asteroid_angle = (180 - asteroid_angle_deg); } // IF turns till asteroid hits are less than 35 if (turns_till_hit < 50) { float angle_between = 0; // Calculate angle between if asteroid is in certain positions if (asteroid.Y > ship.Y && asteroid.X > ship.X) { angle_between = ship_angle - asteroid_angle; } else if (asteroid.Y < ship.Y && asteroid.X > ship.X) { angle_between = (360 - Math.Abs(ship_angle - asteroid_angle)); } else if (asteroid.Y < ship.Y && asteroid.X < ship.X) { angle_between = ship_angle - asteroid_angle; } else if (asteroid.Y > ship.Y && asteroid.X < ship.X) { angle_between = ship_angle - asteroid_angle; } // If angle less than 0, add 360 if (angle_between < 0) { //angle_between %= 360; angle_between = Math.Abs(angle_between); } // Calculate no. of turns to face asteroid float turns_to_face = angle_between / 25; if (turns_to_face < turns_till_hit) { float ship_angle_left = ShipAngle(ship_angle, "leftKey", 1); float ship_angle_right = ShipAngle(ship_angle, "rightKey", 1); float angle_between_left = Math.Abs(ship_angle_left - asteroid_angle); float angle_between_right = Math.Abs(ship_angle_right - asteroid_angle); if (angle_between_left < angle_between_right) { leftKey = true; } else if (angle_between_right < angle_between_left) { rightKey = true; } } if (angle_between > 0 && angle_between < 25) { spaceKey = true; } } }

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  • My network manager stop running very shotly when installed VirtualBox-4.0, reporting network manager not running

    - by wangolo joel
    I fell into a snare when i downloaded and install virtual box 4.0 on my ubuntu 10.4, when i started the virtualbox i tried i saw that my network icon on my desktop showed my red x showing iam disconnected and this happened shortily when i installed virtual box 4.0 I have searched through the web and found some people who have faced some problem. but the solution they gave them i tried but it coudn't work, of restarting,starting ,stoping the netowrk manager, i was even thinking of uninstalling this virutalbox but not netowrk connection truely i need your help

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  • Virtual Disk Manager: The service cannot be started

    - by MikkoP
    I installed a SSD disk in my computer and installed Windows 7 in it. I disabled defragmentation on the disk. Now when I try to partition my other disk I'm getting an error Virtual Disk Manager The service cannot be started, either because it is disabled or because it has no enabled devices associated with it. Well, I'm not willing to enable defragmentation because it makes the lifespan of the SSD shorter. Solutions? Thanks

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  • How can enable credential manager on windows 7

    - by Bastian
    I have a machine with windows 7 in the domain, in the server we share a folders. The problem is when i try con map a drive in the machine with windows 7 i have acces in the folder but i have to write a username and password of the server everytime that power on the machine. i check the credential manager on control panel and the option is disable and i don't know how to enable it save it and don't write the password every time that i log in

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  • Firefox password manager - multiple logins for HTTP authentication

    - by pbarney
    When you're prompted to login to a site using HTTP authentication (the kind with the pop-up box requesting username/password), Firefox's password manager populates it with only the first stored password for that domain. Is there a way to have Firefox prompt for WHICH account should be used? It is unlike the normal HTML login forms in which you can just press the down arrow to select from multiple login accounts.

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  • Test-only Members: Good or Bad?

    In the article, Dino focuses on two particular situations: dealing with dependencies and testing private members. He'll be discussing this in the context of ASP.NET MVC and MSTest, but without any significant loss of generality.

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  • Password manager bug with Firefox 3.6.13

    - by Nicolas Buduroi
    I'm having trouble with the latest Firefox (3.6.13) password manager. For a website I'm working on, it doesn't fill the password field for any login credential saved. I've looked into the options "Saved passwords" list and they are all there with the correct passwords. I thought at first that the website was blocking this feature in some way, but the password managers in Chrome (on the same Windows 7 machine) and Iceweasel (in a virtual Debian 6 machine) work well. Any idea about what could cause this problem?

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  • IIS Manager won't let me create an application

    - by U62
    Had a thing at work today on a Windows Server 2003 box. In IIS Manager I'm trying to create an application for a directory. So I've brought up the properties dialog and clicked the "Create" button and it did absolutely nothing - no error, the application name box stays greyed out and there's no gear icon on the folder. Also there was no event log message. Has anyone seen this happen or know of a solution?

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  • task manager for Internet usage, I need to block a software accessing a website/web server

    - by Pennf0lio
    I have a software that accesses a website, I want to monitor what website is it accessing and block that website. Is there a software similar to "windows task manager" that allows you to monitor software that accesses a website? I want to know what website/server is it accessing so I could then block it. And Is there an alternative way to block aside from "host" file? Thanks! FYI: running on Win7

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  • system center operations manager (SCOM) role combinations

    - by KAPes
    We are evaluating system center operations manager 2007 R2 product, and would like to know what all roles can be combined onto single server. Like root management server and reporting servers can be on one box or not? my environment is like 450 servers mostly Exchange and Domain Controllers plus few OCS servers.

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  • how to fully unit test functions and their internal validation

    - by Patrick
    I am just now getting into formal unit testing and have come across an issue in testing separate internal parts of functions. I have created a base class of data manipulation (i.e.- moving files, chmodding file, etc) and in moveFile() I have multiple levels of validation to pinpoint when a moveFile() fails (i.e.- source file not readable, destination not writeable). I can't seem to figure out how to force a couple particular validations to fail while not tripping the previous validations. Example: I want the copying of a file to fail, but by the time I've gotten to the actual copying, I've checked for everything that can go wrong before copying. Code Snippit: (Bad code on the fifth line...) // if the change permissions is set, change the file permissions if($chmod !== null) { $mod_result = chmod($destination_directory.DIRECTORY_SEPARATOR.$new_filename, $chmod); if($mod_result === false || $source_directory.DIRECTORY_SEPARATOR.$source_filename == '/home/k...../file_chmod_failed.qif') { DataMan::logRawMessage('File permissions update failed on moveFile [ERR0009] - ['.$destination_directory.DIRECTORY_SEPARATOR.$new_filename.' - '.$chmod.']', sfLogger::ALERT); return array('success' => false, 'type' => 'Internal Server Error [ERR0009]'); } } So how do I simulate the copy failing. My stop-gap measure was to perform a validation on the filename being copied and if it's absolute path matched my testing file, force the failure. I know this is very bad to put testing code into the actual code that will be used to run on the production server but I'm not sure how else to do it. Note: I am on PHP 5.2, symfony, using lime_test(). EDIT I am testing the chmodding and ensuring that the array('success' = false, 'type' = ..) is returned

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  • Oracle sysman password reset and enterprise manager

    - by Aboxy
    We are running oracle 10g.yesterday we had to reset sysman(and all other sys acounts)user with alter user command. Password change command worked by oracle enterprise manager does not see the database running. As per oracle docs,we did change the password(and encryption setting) and restarted the dbconsole service. Password does get encrypted after restarted but em still does not see the database online. Are we missing any other important step? Thanks Aboxy

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