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  • What can you do with AppleScript?

    - by mtwisterr
    Everything I know about AppleScript I taught myself and was wondering if I missed any cool features. I know you can make the computer talk to and control applications but is there anything else it can do or is it time to move on to a new language?

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  • Initialization of components with interdependencies - possible antipattern?

    - by Rosarch
    I'm writing a game that has many components. Many of these are dependent upon one another. When creating them, I often get into catch-22 situations like "WorldState's constructor requires a PathPlanner, but PathPlanner's constructor requires WorldState." Originally, this was less of a problem, because references to everything needed were kept around in GameEngine, and GameEngine was passed around to everything. But I didn't like the feel of that, because it felt like we were giving too much access to different components, making it harder to enforce boundaries. Here is the problematic code: /// <summary> /// Constructor to create a new instance of our game. /// </summary> public GameEngine() { graphics = new GraphicsDeviceManager(this); Components.Add(new GamerServicesComponent(this)); //Sets dimensions of the game window graphics.PreferredBackBufferWidth = 800; graphics.PreferredBackBufferHeight = 600; graphics.ApplyChanges(); IsMouseVisible = true; screenManager = new ScreenManager(this); //Adds ScreenManager as a component, making all of its calls done automatically Components.Add(screenManager); // Tell the program to load all files relative to the "Content" directory. Assets = new CachedContentLoader(this, "Content"); inputReader = new UserInputReader(Constants.DEFAULT_KEY_MAPPING); collisionRecorder = new CollisionRecorder(); WorldState = new WorldState(new ReadWriteXML(), Constants.CONFIG_URI, this, contactReporter); worldQueryUtils = new WorldQueryUtils(worldQuery, WorldState.PhysicsWorld); ContactReporter contactReporter = new ContactReporter(collisionRecorder, worldQuery, worldQueryUtils); gameObjectManager = new GameObjectManager(WorldState, assets, inputReader, pathPlanner); worldQuery = new DefaultWorldQueryEngine(collisionRecorder, gameObjectManager.Controllers); gameObjectManager.WorldQueryEngine = worldQuery; pathPlanner = new PathPlanner(this, worldQueryUtils, WorldQuery); gameObjectManager.PathPlanner = pathPlanner; combatEngine = new CombatEngine(worldQuery, new Random()); } Here is an excerpt of the above that's problematic: gameObjectManager = new GameObjectManager(WorldState, assets, inputReader, pathPlanner); worldQuery = new DefaultWorldQueryEngine(collisionRecorder, gameObjectManager.Controllers); gameObjectManager.WorldQueryEngine = worldQuery; I hope that no one ever forgets that setting of gameObjectManager.WorldQueryEngine, or else it will fail. Here is the problem: gameObjectManager needs a WorldQuery, and WorldQuery needs a property of gameObjectManager. What can I do about this? Have I found an anti-pattern?

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  • Latex: index of symbols

    - by Daniel
    I want to create an index of symbols or notation, similar to the usual index one obtains with makeindex. I have gotten this to work, using the glossaries package. However, just as in the usual index, I would like to get two columns in the index of symbols, while glossaries puts everything under each other. Commands like twocolumn or multicol also do not work, because then the second column starts higher than the first, above the title of the index of symbols. Any suggestions?

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  • How to know when to close socket when dealing with HTTP clients?

    - by Y_Y
    Hi, How can I know when to close the socket of an HTTP client (I mean a browser is connecting to my TCP socket server). Everything works perfect but in other for the browser to show what the server has sent, i have to shutdown the server (or call socket.Close()). It works fine if I call (socket.Close()) but I just don't know when.? I don't want to call close in a middle of a request otherwise the browser would have to reload to connect to the server again.

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  • php 5.1.6 magic __toString method

    - by NachoF
    In codeigniter Im trying to use this plugin which requires I implement a toString method in my models. My toString method simply does return $this->name On my local machine with php 5.3 everything works just fine but on the production server with php 5.1.6 it shows "Object id#48" where the value of the name property of that object should appear..... I found something about the problem here but I still dont understand... How can I fix this?

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  • Injected EJB sometimes Null

    - by carrier
    I'm using a stateless EJB via the @EJB annotation... most of the time everything works as it should but it seems that from time to time what is supposed to be injected resolves to a NULL causing a null pointer exception. What could cause this intermittent problem?

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  • php/ldap - bind fails but errorno doesn't execute

    - by user240907
    I am trying to connect to ldap with a php web application. If the username/password is correct everything works fine however if the username/password is incorrect I get the following error: PHP Warning: ldap_bind() [function.ldap-bind]: Unable to bind to server: Invalid credentials for some reason I am not able to look at the errorno or the state of the bind variable afterwards to print the appopriate user friendly error message. any ideas?

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  • Resources (resx) maintenance in big projects

    - by exalted
    In a big project where you have lots of resources (resx) what would be the right approaches and/or tools of translation in order to save time, at the same time keep everything in order and leave nothing behind. More precisely, how to find (as far as translations are concerned) what has been modified (adds and removes are easy) of an entire .NET application from a previous version to another? Would resx technology help you there? How?

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  • Redirect visitor with .htaccess

    - by Aaron
    Hi all, I've got an e-shop on a virtual server that's been used as a subdirectory for the last few years, but now I'm finally giving the VS it's own domain name. What I really need is visitors to the old URL to be transparently (and 301) redirected to the new URL with everything after /eshop/ maintained and apended to the new host. I.e. http://www.example.com/eshop/page.php - http://www.newdomain.com/page.php Any help would be greatly appreciated.

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  • Should I add try/catch around when casting on an attribute of JSP implicit object?

    - by Michael Mao
    Hi all: Basically what I mean is like this: List<String[]> routes = (List<String[]>)application.getAttribute("routes"); For the above code, it tries to get an attribute named "routes" from the JSP implicit object - application. But as everyone knows, after this line of code, routes may very well contains a null - which means this application hasn't got an attribute named "routes". Is this "casting on null" good programming practice in Java or not? Basically I try to avoid exceptions such as java.io.InvalidCastException I reckon things like this are more as "heritage" of Java 1.4 when generic types were not introduced to this language. So I guess everything stored in application attributes as Objects (Similar to traditional ArrayList). And when you do "downcast", there might be invalid casts. What would you do in this case? Update: Just found that although in the implicit object application I did store a List of String arrays, when I do this : List<double[]> routes = (List<double[]>)application.getAttribute("routes"); It doesn't produce any error... And I felt not comfortable already... And even with this code: out.print(routes.get(0)); It does print out something strange : [Ljava.lang.String;@18b352f Am I printing a "pointer to String"? I can finally get an exception like this: out.print(routes.get(0)[1]); with error : java.lang.ClassCastException: [Ljava.lang.String; Because it was me to add the application attribute, I know which type should it be cast to. I feel this is not "good enough", what if I forget the exact type? I know there are still some cases where this sort of thing would happen, such as in JSP/Servlet when you do casting on session attributes. Is there a better way to do this? Before you say:"OMG, why you don't use Servlets???", I should justify my reason as this: - because my uni sucks, its server can only work with Servlets generated by JSP, and I don't really want to learn how to fix issues like that. look at my previous question on this , and this is uni homework, so I've got no other choice, forget all about war, WEB-INF,etc, but "code everything directly into JSP" - because the professors do that too. :)

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  • Umbraco, Macintosh and some working blog software

    - by Ardman
    I have a website that is using Umbraco as it's CMS. Everything is working great on a PC. Am able to use Windows Live Writer to create blogs with no problems at all. My problem comes when the Macintosh users try to blog. I have tried loads of different software packages, MarsEdit, Bloggo etc. but none seem to work. Has anyone had any joy with blog software on a Macintosh using Umbraco as the backend?

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  • jVi in NetBeans

    - by Ockonal
    Hi guys. I'm choosing what to use: Eclipse or NetBeans. NetBeans has better vim plugin - jVi, but, as I see, it doesn't work with my own ~/.vimrc file. But in eclipse and VimPlugin for it everything is perfect. So are there any ways to use my vimrc settings for NetBeans with jVi?

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  • Why does Int32.MaxValue * Int32.MaxValue == 1 ???

    - by Greg Balajewicz
    OK, I know, Int32.MaxValue * Int32.MaxValue will yield a number larger than Int32 BUT, shouldn't this statement raise some kind of an exception? I ran across this when doing something like IF (X * Y Z) where all are Int32. in X and Y are sufficiently large enough, you get a bogus value from X*Y Why is this so and how to get around this? besides casting everything to int64

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  • JavaScript Music Player with progress bar?

    - by pfunc
    I am creating a little JavaScript music player that sits on the btottom of the page, a lot like streampad. But streampad uses a flash progress bar for the song and JavaScript for everything else and I am having a hard time finding anyone who does this with JavaScript alone. Can anyone point me in the right direction on how this can be done (preferably without using HTML5)?

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  • binding a usercontrol to the opposite of a bool property

    - by SnOrfus
    Pretty straightforward: I'm looking to do the same as this but in winforms. Everything that google seems to pull up is wpf specific (ie. I don't want to reference presentationframework.dll) Explained if you don't want to read the link: The following is a representation of the intent of what I'd like to do, though it obviously doesn't work. CheckBox1.DataBindings.Add(new Binding("Checked", this.object, "!SomeBool"));

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  • The future of cloud computing? [closed]

    - by Vimvq1987
    As far as I know, cloud computing is growing rapidly. Amazon EC2, Google App Engine, Microsoft Windows Azure...But I can't imagine how cloud computing will change the world. Will cloud computing will play the main role in software industry? Will our data be stored at one place and then can be accessed from any where? Shall we need powerful PCs no more because everything will be processed at "cloud"? Thank you so much

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  • My app does not seem to find my button from the UI file

    - by Jason94
    What i did: create a project, edited the ui file with the designer tool, ran the project, everything is ok tried to add to my cppfile: connect( pushButton_bracketBegin, SIGNAL( clicked() ), this, SLOT( pushButton_bracketBeginAction() ) ); but i get the error "‘pushButton_bracketBegin’ was not declared in this scope". this is my first project in qt and it should be fairly simple i guess (but yet out of my grasp ) :) appreciate the help

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  • having json issues..getting this in firebug--missing ] after element list

    - by faizal
    hi all this is my json object..everything seems to be fin e but dunnkow why i am seeing this--missing ] after element list can somebody help.,.here is y json {"rows": [{"type": "fft_vel","axis": "x","pwrhgh": 7.44475138121547E-02,"pwrlow": 2.35267034990792E-02,"hzlow": 244.827586206897,"hzhgh": 506.896551724138,"dataid": 0,"id": 467,"name": "2008-02-08 14:24:22 - creating first active alarms testing","title": "RMS displacement alert on Pump 11 Sensor 2","description": "An RMS displacement value of 0.04495 inches was recorded on Pump 11 Sensor 2 on 2\u002F8\u002F2008. This is between the RMS displacement alert levels of 0.0442 inches and 0.12 inches.","time_stamp": "2\u002F8\u002F2008 2:24:22 PM","sensor_id": 550003281}]}

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  • How to monitor delayed_job with monit

    - by Luke Francl
    Are there any examples on the web of how to monitor delayed_job with Monit? Everything I can find uses God, but I refuse to use God since long running processes in Ruby generally suck. (The most current post in the God mailing list? God Memory Usage Grows Steadily.) Update: delayed_job now comes with a sample monit config based on this question.

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  • Dependency Injection: I don't get where to start!

    - by Andy
    I have several articles about Dependency Injection, and I can see the benefits, especially when it comes to unit testing. The units can me loosely coupled, and mocking of dependencies can be made. The trouble is - I just don't get where to start. Consider this snippet below of (much edited for the purpose of this post) code that I have. I am instantiating a Plc object from the main form, and passing in a communications mode via the Connect method. In it's present form it becomes hard to test, because I can't isolate the Plc from the CommsChannel to unit test it. (Can I?) The class depends on using a CommsChannel object, but I am only passing in a mode that is used to create this channel within the Plc itself. To use dependancy injection, I should really pass in an already created CommsChannel (via an 'ICommsChannel' interface perhaps) to the Connect method, or maybe via the Plc constructor. Is that right? But then that would mean creating the CommsChannel in my main form first, and this doesn't seem right either, because it feels like everything will come back to the base layer of the main form, where everything begins. Somehow it feels like I am missing a crucial piece of the puzzle. Where do you start? You have to create an instance of something somewhere, but I'm struggling to understand where that should be. public class Plc() { public bool Connect(CommsMode commsMode) { bool success = false; // Create new comms channel. this._commsChannel = this.GetCommsChannel(commsMode); // Attempt connection success = this._commsChannel.Connect(); return this._connected; } private CommsChannel GetCommsChannel(CommsMode mode) { CommsChannel channel; switch (mode) { case CommsMode.RS232: channel = new SerialCommsChannel( SerialCommsSettings.Default.ComPort, SerialCommsSettings.Default.BaudRate, SerialCommsSettings.Default.DataBits, SerialCommsSettings.Default.Parity, SerialCommsSettings.Default.StopBits); break; case CommsMode.Tcp: channel = new TcpCommsChannel( TCPCommsSettings.Default.IP_Address, TCPCommsSettings.Default.Port); break; default: // Throw unknown comms channel exception. } return channel; } }

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  • directoryperdb issue

    - by Rich Blumer
    I installed MongoDB to run as a Windows Service on Win 7 and everything runs well. However, when I attempt to use the command --directoryperdb, it does not recognize this command. Does anyone know how to resolve this issue?

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  • Share ASP.Net membership info between two applications

    - by bill
    Hi All, I have an existing webapp and i'm attempting to setup BlogEngine .Net to share the membership tables Everything seems to work.. accept i can see that the Membership.ValidateUser call in blogengine returns false! While the other apps returns true. I'm at a loss.. Membership.GetUser called from both apps returns the correct user.. Any ideas? thanks!

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