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• How do I register multiple paths for a HttpHandler in IIS7?

  - by Daniel T.

  I have a HttpHandler that resizes images based on the querystring, so requesting something like: http://server/image.jpg?width=320&height=240 will give you a resized image that's 320x240. In the IIS Manager, under Handler Mappings, I mapped my handler's path as *.jpg,*.gif,*.bmp,*.png. However, this doesn't activate the handler. If I change it to just *.jpg, then it works. My question is, do I have to create 4 separate mapping entries, one for each image type, or is there some way to combine multiple extensions in one path?

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• Can I prevent Flash's Input Events from stacking up when my framerate low?

  - by Matt W

  My Flash game targets 24 fps, but slows to 10 on slower machines. This is fine, except Flash decides to throttle the queue of incoming MouseEvent and KeyboardEvents, and they stack up and the Events fall behind. Way behind. It's so bad that, at 10 fps, if I spam the Mouse and Keyboard for a few seconds not much happens, then, after I stop, the game seems to play itself for the next 5 seconds as the Events trickle in. Spooky, I know. Does anyone know a way around this? I basically need to say to Flash, "I know you think we're falling behind, but throttling the input events won't help. Give them to me as soon as you get them, please."

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• Dealing with a badly formatted CSV file

  - by Josh K

  I have an exceptionally bad CSV file. Although I "solved" the problem in the end by manually writing scripts to process and reprocess this specific file I wanted to know if there were any other solutions out there. You have a CSV file that has all the fields terminated by | (pipe) characters. Running a quick check shows you that there are 53 fields in the file. The person who gave you the file claims there there are only 28 fields. Not all of the fields have information in them. For example there are five custom_field_{num} fields which may or may not have data. How would you get this into a database nicely? The ideal solution (and one I searched high and low for) would be to just throw it all into a table with no column names or specifications. Then remove any columns that were completely blank and then give them titles and specifications.

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• rotating circle with swipe question

  - by Joe

  Okay so I'm making something that basically works as a knob, but only half on the screen -- so I just need horizontal swipes to cause it to rotate. I have it nearly all sorted with one exception: if you change direction of your swipe in mid-swipe, the rotation doesn't change direction. I even can see the problem, but not sure what to do about a solution. So in my touchesMoved, I get the swipe into radians in the predictable way: CGFloat radians = atan2f(location.y - centerY, location.x - centerX); I then store radians, add/subtract it to previous rotation and then give the result to the CATransform3D. So the prob is that even though the swipe changes direction, there is a "balance" which doesn't allow an immediate change of direction. Does this make any sense?

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• Creating an object relational schema from a Class diagram

  - by Caylem

  Hi Ladies and Gents. I'd like some help converting the following UML diagram: UML Diagram The diagram shows 4 classes and is related to a Loyalty card scheme for an imaginary supermarket. I'd like to create an object relational data base schema from it for use with Oracle 10g/11g. Not sure where to begin, if somebody could give me a head start that would be great. Looking for actually starting the schema, show abstraction, constraints, types(subtypes, supertypes) methods and functions. Note: I'm not looking for anyone to make any comments regarding the actual classes and whether changes should be made to the Diagram, just the schema. Thanks

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• When and why will an OS initialise memory to 0xCD, 0xDD, etc. on malloc/free/new/delete?

  - by LeopardSkinPillBoxHat

  I know that the OS will sometimes initialise memory with certain patterns such as 0xCD and 0xDD. What I want to know is when and why this happens. When Is this specific to the compiler used? Do malloc/new and free/delete work in the same way with regard to this? Is it platform specific? Will it occur on other operating systems, such as Linux or VxWorks? Why My understanding is this only occurs in Win32 debug configuration, and it is used to detect memory overruns and to help the compiler catch exceptions. Can you give any practical examples as to how this initialisation is useful? I remember reading something (maybe in Code Complete 2) that it is good to initialise memory to a known pattern when allocating it, and certain patterns will trigger interrupts in Win32 which will result in exceptions showing in the debugger. How portable is this?

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• EHsc vc EHa (synchronous vs asynchronous exception handling)

  - by watson1180

  Could you give a bullet list of practical differences/implication? I read relevant MSDN article, but my understanding asynchronous exceptions is still a bit hazy. I am writing a test suite using Boost.Test and my compiler emits a warning that EHa should be enabled: warning C4535: calling _set_se_translator() requires /EHa The project itself uses only plain exceptions (from STL) and doesn't need /EHa switch. Do I have to recompile it with /EHa switch to make the test suite work properly? My feeling is that I need /EHa for the test suit only. Thank you and happy new year.

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• Evaluation of jQuery function variable value during definition of that function

  - by thesnail

  I have a large number of rows in a table within which I wish to attach a unique colorpicker (jQuery plugin) to each cell in a particular column identified by unique ids. Given this, I want to automate the generation of instances of the colorpicker as follows: var myrows={"a","b","c",.....} var mycolours={"ffffff","fcdfcd","123123"...} for (var i=0;i<myrows.length;i++) { $("#"+myrows[i]+"colour").ColorPicker({flat: false, color: mycolours[i], onChange: function (hsb, hex, rgb) { $("#"+myrows[i]+"currentcolour").css('backgroundColor', '#' + hex); } }); Now this doesn't work because the evaluation of the $("#"+myrows[i]+"currentcolour") component occurs at the time the function is called, not when it is defined (which is want I need). Given that this plugin javascript appends its code to the level and not to the underlying DOM component that I am accessing above so can't derive what id this pertains to, how can I evaluate the variable during function declaration/definition? Thanks for any help/insight anyone can give. Brian.

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• Best cheap GUI for converting to f4v

  - by Ben

  Hi, I need to give one client the ability to convert some videos to f4v h264 before loading it up to an AIR app. I normally doing with the Adobe Media Encoder CS4 but that only ships with adobe products (you can't download it as a free standalone app - which, start rant is odd, you'd think they would push the format - Microsoft's competing expresssion encoder is free end rant) Anyway, I need to get a (hopefully not too expensive, but willing to pay for it) good 3rd part app that can take any video and convert it to an f4v. Can you suggest any? Everything i've found is horrible or jammed with ads and crap. What would you use? Any suggestion? (please don't just say ffmpeg - I know it can do it but we need to good simple GUI) Thanks!

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• how to demonstrate thet a protocol is certain with those specifications.

  - by kawtousse

  Hi every one, we have 4 persons A, B, C and D witch want to know the averge of their salary SA SB SC SD but no one wants that the others know his salary. For that they use this protocol: 1.A-B: [N+SA ]KB 2.B-C:[N+SA+SB]KC 3.C-D:[N+SA+SB+SC]KD 4.D-A:[N+SA+SB+SC+SD]KA where the notation [m]KY represents the message x crypted xith the public key of y Is this protocol certain. can we trust it. want you please give me justification. thanks for help.

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• Database design: Using hundred of fields for little values

  - by user964260

  I'm planning to develop a PHP Web App, it will mainly be used by registered users(sessions) While thinking about the DB design, I was contemplating that in order to give the best user experience possible there would be lots of options for the user to activate, deactivate, specify, etc. For example: - Options for each layout elements, dialog boxes, dashboard, grid, etc. - color, size, stay visible, invisible, don't ask again, show everytime, advanced mode, simple mode, etc. This would get like 100s of fields ranging from simple Yes/No or 1 to N values..., for each user. So, is it having a field for each of these options the way to go? or how do those CRMs or CMS or other Web Apps do it to store lots of 1-2 char long values? Do they group them on Text fields separated by a special char and then "explode" them as an array for runtime usage? thank you

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• XML serialization and MS/Mono portability

  - by Luca

  I'm trying to have classes serialized using MS runtime and Mono runtime. While using MS runtime everything goes fine, but using Mono I give me some exception and program startup. The following exception are thrown: There was an error reflecting a type: System.TypeInitializationException (a class) There was an error reflecting a type: System.InvalidOperationException (a class) There was an error reflecting a field: System.ArgumentOutOfRangeException < 0 (an array of classes) The binary was compiled using MS SDK, but I don't think this is the problem. What's going on? .NET shouln't be portable? How to solve these exceptions?

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• Extending Windows Desktop using C#

  - by Lijo

  Hi Team, I am trying to customize my Windows XP’s desktop using C# code. This is my first venture of this kind. Could you please point me to some documentation that will Give the names of classes that can be used for extending/customizing Windows’ desktop Some example code What I am trying to do specifically is as follows I am planning to customize the desktop. When I unlock my computer (by entering user name and password) the files should come(by flying) into their required places. Initially the files are to be located in the right end corner. Thanks Lijo Cheeran Joseph

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• Sort NSFetchedResultsController results by user location

  - by cgp

  I have an application that contains some Locations in Core Data, and I want to show them to the user in order of proximity to the user's location. I am using an NSFetchedResultsController to serve the locations to the Table View. I thought about creating a virtual accessor method that returns the location's distance from the user, that would be calculated using a "global" CoreLocationManager, but it crashes with reason: Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: 'keypath distanceFromCurrentLocation not found in entity < NSSQLEntity Location id=4' I also give the user the option to sort alphabetically, so I would prefer it if I kept the NSFetchedResultsController, if possible. How should I do it? Thanks!

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• How Do I create a synchronous version of NSURLConnection

  - by quinn

  I am using NSURLConnection inside of an NSIncrementalStore to synchronize my NSManagedObject with rest based web service built in Rails. I am aware of +sendSynchronousRequest:returningResponse:error but my understanding is that will not allow me to access such things as the HTTP response status code which I will need to properly handle the response, my understanding is sendSynchronousRequest returns the data if it responds in the 200 range and fails if it doesn't and doesn't really give you much more than that. I'm assuming I will somehow have to block the current method call after the NSURLConnection is instantiated and unblock it after NSURLConnection's delegate sets some value that can be returned by the blocked method. I'm assuming this will involve some combination of NSLock and NSThread but I really don't know where to start with this, any help will be greatly appreciated, thank you.

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• compiler warning on (ambiguous) method resolution with named parameters

  - by FireSnake

  One question regarding whether the following code should yield a compiler warning or not (it doesn't). It declares two methods of the same name/return type, one has an additional named/optional parameter with default value. NOTE: technically the resolution isn't ambiguous, because the rules clearly state that the first method will get called. See here, Overload resolution, third bullet point. This behavior is also intuitive to me, no question. public void Foo(int arg) { ... } public void Foo(int arg, bool bar = true) { ...} Foo(42); // shouldn't this give a compiler warning? I think a compiler warning would be kind of intuitive here. Though the code technically is clean (whether it is a sound design is a different question:)).

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• What knowledge/expertize is required to port android to custom arm device ?

  - by Sunny

  Hi Friends, I am working on a system on which currently linux kernel and microwindows windowing system is running. Code of current linux system drivers is available to me. I want to port android on it, just as a hobby project. can you please tell me what all understanding of linux-kernel is required to port it? Please give me references (Books, Tutorials) to build-up understandings. Thanks, Sunny. P.S. I have basic understanding of linux. Configuration of device is 450 Mhz ARM9, 64 MB RAM, 256 MB NAND 480x272 resolution.

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• How to identify Draft from Inbox and Sent mails In ALL MAIl mailbox

  - by subbi

  Hello, I am working on a mail client Application for downloading gmail emails, which uses IMAP C-client library. I want to download emails from "ALLMAIL" mailbox folder. as you know ALLMAIL folder consists of Inbox,Sent Mail and Draft Mails. Here my requirement is to distinguish Draft from Inbox and Sent mails. Usually if we download envelop of emails, that should give email's Draft info. But Gmail is failing to set this draft info. So can you please suggest how to identify draft? Thanks In advance Subbi

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• Set both Text and Value property of ComboBox in design time

  - by The King

  I need to add the following items to a combo box. Value DisplayText Mpost Posted Call Calling RScan Re-Scan These items are fairly static, and is not retrieved from any database... Hence thought of assigning these in design time itself. I'm Unable to use Items property as it asks only one value per item... Could you please help. Ps : In case you are suggesting BindingSource, could you please give me an example. I was not able to find one.

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• XNA or C# Pop-up progress bar for the LoadContent() method

  - by Warlax

  Hey people, We wrote a small game using Microsoft's XNA Game Studio 3.1. The LoadContent() takes a long time because, other than loading models, and config files, we're also running some one-time (per run) terrain analysis. We are not C# or XNA programmers... we're Java programmers, and want to be able to give the user some feedback that the system is loading. Preferably, this will be through a simple pop-up with a progress bar that will say something simple like "loading please wait". The progress bar doesn't have to be a 0 to 1 progress bar, it can instead be one of those 'back and forth' progress bars. I was hoping for some quick copy-paste ready code to just do that - as it is not a central piece of our project, nor do we have a need to delve into too much documentation. I appreciate you time, effort, and possible donation. Thanks.

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• Resetting Objects vs. Constructing New Objects

  - by byronh

  Is it considered better practice and/or more efficient to create a 'reset' function for a particular object that clears/defaults all the necessary member variables to allow for further operations, or to simply construct a new object from outside? I've seen both methods employed a lot, but I can't decide which one is better. Of course, for classes that represent database connections, you'd have to use a reset method rather than constructing a new one resulting in needless connecting/disconnecting, but I'm talking more in terms of abstraction classes. Can anyone give me some real-world examples of when to use each method? In my particular case I'm thinking mostly in terms of ORM or the Model in MVC. For example, if I would want to retrieve a bunch of database objects for display and modify them in one operation.

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• Dealing with passwords securely

  - by Krt_Malta

  Hi I have a Java web service and a Java web client making use of this service. One of the functions is to create a new user account. My two concerns are: How will I send the user's password securely from the client. How will I store the user's password securely on the server. How can I achieve these? I know the theory basically behind security, security algorithms etc but can anyone give me some advice on how I should go about in coding? Could anyone point me to some good (and if possible not complicated) examples to follow since I found some examples on the Internet very contorted? Thanks a lot and regards, Krt_Malta

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• Scaling Java applications - existing cluster-aware IoC frameworks?

  - by Zoltan

  Most people use some kind of an IoC framework - Guice, Spring, you name it. Many of us need to scale their applications too, so they complicate their lifes with Terracotta, Glassfish/JBoss/insertyourfavouritehere clusters. But is it really the way to go? Are you using any of the above? Here's some ideas we currently have implemented in a yet-to-be-opensourced framework, and I'd like to see what you think of it, or maybe "it's a complete ripoff of XY!". cluster-wide object replication - give it a name, and whenever you do something (in any node) on such an object, it will get replicated - with different guarantees do transparent soft-loadbalancing - simplest scenario: restful webservice method call proxied to an other node view-only node injection: inject a proxy to a "named" object, and get your calls automatically proxied to a node Would you use something like that? Is there a current, stable, enterprise-ready implementation out there?

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• $_POST goes empty after adding a new input type "file"

  - by heldrida

  Hi, I'm not finding a way to understand and fix this and I've done a lot. I've got a script, wish is a simple form, that sends a file trough POST. The second file, process the info. By default, I give to the user a few fields, one of them being a input field of type "file" and there's also, a few "hidden" one's, that gives me values to work with on POST. I found that, when adding a new input of type "file", the $_POST returns array 0, even $_FILES returns nothing. I have no idea how to fix this, and it works just fine when keeping the default input box of type "file". This is the form http://pastie.org/872488 This only happens when: Exists! var_dump( $_POST ), or $_FILES, print_r(), etc Returns nothing. I've tryed to create a array on the input of type "files", like img_p_child[], but nothing. How to solve this ? Thanks for taking your time!

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• CTE to build a list of departments and managers (hierarchical)

  - by Milky Joe

  I need to generate a list of users that are managers, or managers of managers, for company departments. I have two tables; one details the departments and one contains the manager hierarchy (simplified): CREATE TABLE [dbo].[Manager]( [ManagerId] [int], [ParentManagerId] [int]) CREATE TABLE [dbo].[Department]( [DepartmentId] [int], [ManagerId] [int]) Basically, I'm trying to build a CTE that will give me a list of DepartmentIds, together with all ManagerIds that are in the manager hierarchy for that department. So... Say Manager 1 is the Manager for Department 1, and Manager 2 is Manager 1's Manager, and Manager 3 is Manager 2's Manager, I'd like to see: DepartmentId, ManagerId 1, 1 1, 2 1, 3 Basically, managers are able to deal with all of their sub-manager's departments. Building the CTE to return the Manager hierarchy was fairly simple, but I'm struggling to inject the Departments in there: WITH DepartmentManagers AS ( SELECT ManagerId, ParentManagerId, 0 AS Depth From Manager UNION ALL SELECT Manager.ManagerId, Manager.ParentManagerId, DepartmentManagers.Depth + 1 AS Depth FROM Manager INNER JOIN DepartmentManagers ON DepartmentManagers.ManagerId = Manager.ParentManagerId ) Can anyone help?

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