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• how to call a php class function directly using ajax?

  - by payling

  Is it possible to call a php class function DIRECTLY using ajax? Something like below... except ajax... myclass::myfunction(); I've been using the jquery library to work with AJAX. $.get('control.php', {func: funcName, arg1: arg1}); The above is similar to what I'm trying to achieve MINUS the control.php; I'm not sure if this is even possible, but I just thought it would be nice to skip the landing page (control.php) that recieves the funcName. I have a bunch of conditional statements that sort out what class function to run based on the funcName recieved. It seems kind of silly to do this, to have a separate page just to handle function calls. Is there a better way?

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• asp.net impersonation identity: Where does it come from?

  - by Rising Star

  Here's a simple question I've been stuck on for a while. When I set < identity impersonate=true > in my web.config so that asp.net impersonates the logged on user automatically (or the anonymous account if not using Windows Authentication), where does the identity that asp.net impersonates come from? This document: http://msdn.microsoft.com/en-us/library/ff649264.aspx shows three places you can retrieve information about the logged on user: Httpcontext.Current.user System.Threading.Thread.Current System.Security.Principal.WindowsIdentity.GetCurrent It seems that none of these locations consistently match the identity that gets impersonated when I set < identity impersonate=true > in web.config. I would like to know where the impersonated identity comes from.

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• swf doesn't respond on tomcat

  - by ron

  Hi, I made a war file out of my flex program (includes swf html etc.). I put the war in the tomcat root library (tomcat 6.0.26) I can see that the war was deployed, and i can get to it using http://localhost:8080/dir/myApp.html and see my swf. When i click directly on myApp.html i can see my swf main picture and its buttons in it. But, when i click a button which just popup a message, it doesn't work! On the other hand, When running the mainApp.html from my local drive it works fine. any help?

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• NSTableView doesn't populate with array objects until a new object is added via the controller

  - by Luke

  I have an NSTableView and an array controller set up as shown here, using cocoa bindings: https://developer.apple.com/library/mac/documentation/Cocoa/Conceptual/TableView/PopulatingViewTablesWithBindings/PopulatingView-TablesWithBindings.html#//apple_ref/doc/uid/10000026i-CH13-SW3 In my app delegate during applicationDidFinishLaunching I have the following snippet in here, initialising the array and filling it with objects array = [[NSMutableArray alloc] init]; SomeObject* foo = [[Object alloc] init]; foo.text = @"sup"; [array addObject:foo]; //Repeat this a few times However, when I build the app and run it I end up with an empty table. However, if I bind a button to the array controller's add: input and click it during runtime (this adds a new object to the array and table) then the table will show the new object first, with the objects added during applicationDidFinishLaunching following it. Why does this happen? And is there a way to make my table populate without having to add an element first?

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• Delete database. Entity Framework

  - by Idotz

  I have a very annoying issue and I would love a solution. The problem: I followed the MDSN tutorial- http://www.asp.net/mvc/tutorials/mvc-4/getting-started-with-aspnet-mvc4/adding-a-model Then I tried this guide according to my needs and I set up a database GAMES.MDF.   Then, I deleted the database and set it up again, is supposedly work (I can write and read data), but There is no such database in the APP_DATA folder. Like it keeps it somewhere in my PC and reuse it.   I even tried a new project and it did not work, works but not in the library, and it even uses the data I created before. I even deleted the DB from SQL Server Management Studio 2008. Does anyone know what the hell? How do I delete it permanently, not to remain any trace of him?   Thank you.  Ido

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• Any good class diagram editors out there for Java (not UML)

  - by user85116

  I'm looking for an editor that can create class diagrams, similar to the typical UML class diagram, but specifically for java (so using java terminology; instead of terms like "generalization, realization etc", we use the java equivalents "interface, abstract class, extends etc"). I've looked into UML several times, but each time I've been turned off by the shear amount of "stuff" that comes with UML. I just want to be able to model my java classes quickly and intuitively, without getting bogged down by all the cruft that comes with UML. Preferably, it would come with a source reader that can keep the diagram up to date, and with a few nice features like "show only public methods in this class" etc. As well, it would automatically "know" about the classes in the standard java library, and possibly even be able to read classes from jars. Performance is also a big thing for me, I don't like having to wait 2 seconds for a popup menu to appear, or watch the diagram jerk crazily while resizing an element in the model. What do you think, am I asking too much?

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• How does Contract.Exists add value?

  - by Scott Bilas

  I am just starting to learn about the code contracts library that comes standard with VS2010. One thing I am running into right away is what some of the contract clauses really mean. For example, how are these two statements different? Contract.Requires(!mycollection.Any(a => a.ID == newID)); Contract.Requires(!Contract.Exists(mycollection, a => a.ID == newID)); In other words, what does Contract.Exists do in practical purposes, either for a developer using my function, or for the static code analysis system?

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• How to call SOAP web service in Android

  - by BobbyShaftoe

  I am having a lot of trouble finding good information on how to call a standard SOAP/WSDL web service with Android. All I've been able to find are either very convoluted documents and references to "kSoap2" and then some bit about parsing it all manually with SAX. OK, that's fine, but it's 2008 so I figured there should be some good library for calling standard web services. The web service is just basically one created in NetBeans. I would like to have IDE support for generating the plumbing classes. I just need the easiest/most-elegant way to contact a WSDL based web service from an Android based phone.

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• Is there a 'catch' with FastFormat?

  - by Roddy

  I just read about the FastFormat C++ i/o formatting library, and it seems too good to be true: Faster even than printf, typesafe, and with what I consider a pleasing interface: // prints: "This formats the remaining arguments based on their order - in this case we put 1 before zero, followed by 1 again" fastformat::fmt(std::cout, "This formats the remaining arguments based on their order - in this case we put {1} before {0}, followed by {1} again", "zero", 1); // prints: "This writes each argument in the order, so first zero followed by 1" fastformat::write(std::cout, "This writes each argument in the order, so first ", "zero", " followed by ", 1); This looks almost too good to be true. Is there a catch? Have you had good, bad or indifferent experiences with it? CW on this question, as there's probably no right answer...

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• What is the universal way to use file I/O API with unicode filenames?

  - by dma_k

  In Windows there is a common problem: the filenames should be converted to local codepage, before they are passed to open(). Of course, there is a possibility to use Win32::API for that, but I don't want my script to be platform-dependent. At the moment I have to write something like: open IN, "<", encode("cp1251", $filename) or die $!; but is there any library, that hides these details? I think the local codepage can be automatically detected, so I just want to pass unicode filename and forget about the details. Why is it still not in the box?

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• How would one call std::forward on all arguments in a variadic function?

  - by Noah Roberts

  I was just writing a generic object factory and using the boost preprocessor meta-library to make a variadic template (using 2010 and it doesn't support them). My function uses rval references and std::forward to do perfect forwarding and it got me thinking...when C++0X comes out and I had a standard compiler I would do this with real variadic templates. How though, would I call std::forward on the arguments? template < typename ... Params void f(Params ... params) // how do I say these are rvalue reference? { y(std::forward(...params)); //? - I doubt this would work. } Only way I can think of would require manual unpacking of ...params and I'm not quite there yet either. Is there a quicker syntax that would work?

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• Why does the app signature change in Android after a classpath change?

  - by espinchi

  I have an Android project that branched into three different applications, app-1, app-2 and app-3, that apply some customizations. Currently there is a lot of code duplication, making maintenance a nightmare: do the changes in one of the branches, and then merge the other two. So we create a library project, named app-core, that factors out most of the duplicated code. So far so good. When I launch this into an emulator where the application was already loaded (before the refactoring), I get this exception: Re-installation failed due to different application signatures A different signature? But I just added a line in the .classpath to link to the app-core Java project! The main question is: are the existing users going to be bothered by this too? And the side question: Why is it a different signature?

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• Inheriting and overriding interfaces in C#

  - by Daniel A. White

  Please note: I am writing this question. I have these interfaces in a library/framework I am working on: interface IRepository<TKey,TModel> { void Remove(TModel entity); } interface IRepository<T> : IRepository<int, T> { } interface ISoftDeleteRepository<TKey,TModel> : IRepository<TKey, TModel> { } interface ISoftDeleteRepository<TModel> : ISoftDeleteRepository<int, TModel>, IRepository<TModel> { } and these implementations class Repository : IRepository { void Remove(TModel entity) { // actually Delete } } interface IRepository<T> : IRepository<int, T> { } interface ISoftDeleteRepository<TKey,TModel> : IRepository<TKey, TModel> { } interface ISoftDeleteRepository<TModel> : ISoftDeleteRepository<int, TModel>, IRepository<TModel> { }

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• Basic question on c++ header file inclusion ?

  - by siva

  What are the differences between below 3 programs ?. Is <iostream> a header file or C++ standard library ? 1 #include<iostream> using namespace std; int main() { return 0; } 2 #include<iostream> int main() { return 0; } 3 #include<iostream.h> int main() { return 0; } Thanks in advance.

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• Can not connect to SSIS access denied

  - by Pramodtech

  I am facing an issue while connecting to SSIS thru Mangament studio. I'm able to connect to SQL engine, Analysis services but not able to connect to SSIS. I use windows authentication. I tried steps given at http://msdn.microsoft.com/en-us/library/aa337083(SQL.90).aspx but no help. On one of the forum I saw that one needs to restart the MSDTC service, Do I need to do that? bcoz my SQL admin said I need to justify it by assuring that it doesn't affect aything else. Moreover we didn't find way to restart the service, where I can do that? please help. Thanks.

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• Bundling images with Blackberry

  - by Casebash

  How do I get bundled images with the BlackBerry Eclipse Plugin 1.1 Beta? I copied an image into "res/background.jpg" and tried to load it using Bitmap.getBitmapResource on background.jpg. Unfortunately, the image wasn't found (Illegal argument exception). I tried moving my image file into the src folder as per the advice here, but that didn't work either. I have opened up the .jar file and the background image is present at the root of the .jar file. The option to convert image files to .png isn't selected either. Links Could not find sample Library Reference

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• How can I print a text in two columns using Java Swing?

  - by Jonas

  I have a longer text saved in a String. I would like to print the text in two columns on a single page. How can I do this using Java Swing? I don't understand how I can wrap the text when it's time to use a new line. I have read Lesson: Printing in the Java tutorial, but I haven't found any useful methods for working with text or Strings except FontMetrics. Is there any good methods in the Java API for this or is there any good library I can use for this?

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• Best memory settings for eclipse 4.2 (STS 3.1) on Windows 7 64 bit?

  - by jorrebor

  I apoligize in advance if this question is indeed too subjective as SO warns me. My workstation has 8 gb of ram and runs windows 7 64 bit. I use the Spring tool Suite (3.1) but as soon as i am starting to open and modify the spring config (.xml) files, STS becomes incredibly slow. I already tried switching off "build automatically" and to increase memory settings but no luck. How should i change my .ini ? this is what i have set now: -vm C:/Program Files/Java/jdk1.7.0_07/bin/javaw.exe -startup plugins/org.eclipse.equinox.launcher_1.3.0.v20120522-1813.jar --launcher.library plugins/org.eclipse.equinox.launcher.win32.win32.x86_64_1.1.200.v20120522-1813 -product org.springsource.sts.ide --launcher.defaultAction openFile --launcher.XXMaxPermSize 4096M -vmargs -Dosgi.requiredJavaVersion=1.5 -Xms512m -Xmx2048m -XX:MaxPermSize=512m My collageu running the same project in IntelliJ, has no problems. Thank you!

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• File won't save output to file, and prints out a string oddly C++ Linux

  - by Predictability

  I'm trying to make a password code, the user enters a password, then it will save the password to a file in /tmp/ and then it will output the password (For me so I can find bugs). I have included the "string" library, and I set the password type to string, but when I output it, it outputs like this: 0x7fffb55baac0password // <-- thats the password I entered It will output hex (I think), then the password I entered, and it won't save it to the file in /tmp/ I want it to (Or any file in /tmp/). Here's the source code: http://codepad.org/3aamAv7R Thank you for all the help you guys have given me so far.

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• For each level of factor aggregate values over all levels except the current one (in R)

  - by Andrey Chetverikov

  For each level of factor I need to extract values aggregated over all subsets of data.frame except the current one. For example, there is a several subjects doing a reaction time task during several days, and I need to compute mean reaction time for all subjects and all days, but not including the subject for whom the mean is computed. Currently, I do it like this: library(lme4) ddply(sleepstudy, .(Subject, Days), summarise , avg_rt=mean(sleepstudy[sleepstudy$Subject!=Subject&sleepstudy$Days==Days,"Reaction"]), .progress="text") It works fine for small data sets, but for large ones it can be very slow. Is there a way to do it faster?

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• how to controller (start/kill) a background process (server app) in ruby

  - by rubiii

  hey guys, i'm trying to set up a server for integration tests (specs actually) via ruby and can't figure out how to control the process. so, what i'm trying to do is: run a rake task for my gem that executes the integration specs the task needs to first start a server (i use webrick) and then run the specs after executing the specs it should kill the webrick so i'm not left with some unused background process webrick is not a requirement, but it's included in the ruby standard library so being able to use it would be great. hope anyone is able to help! ps. i'm running on linux, so having this work for windows is not my main priority (right now).

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• Scrapping *.aspx content using Python

  - by tomato

  I'm having difficulties scrapping dynamically generated table in ASPX. Trying to scrap the gas prices from a site like these GasPrices. I can extract all the information in the gas price table (address, time submitted etc.), except for the actual gas price. Is there a way I could scrap the gas prices? i.e. somehow get a text representation of it. I'm not very familiar with ASP/ASPX - but what's being generated now is not showing up in the final HTML. I'm using Python to do the scrapping, but that's irrelevant unless there's a specific library...

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• Scrapping *.aspx content using Python

  - by tomato

  I'm having difficulties scrapping dynamically generated table in ASPX. Trying to scrap the gas prices from a site like these GasPrices. I can extract all the information in the gas price table (address, time submitted etc.), except for the actual gas price. Is there a way I could scrap the gas prices? i.e. somehow get a text representation of it. I'm not very familiar with ASP/ASPX - but what's being generated now is not showing up in the final HTML. I'm using Python to do the scrapping, but that's irrelevant unless there's a specific library...

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• Aborted core dumped C++

  - by avd

  I have a large C++ function which uses OpenCV library and running on Windows with cygwin g++ compiler. At the end it gives Aborted(core dumped) but the function runs completely before that. I have also tried to put the print statement in the end of the function. That also gets printed. So I think there is no logical bug in code which will generate the fault. Please explain. I am also using assert statements.But the aborted error is not due to assert statement. It does not say that assertion failed. It comes at end only without any message. Also the file is a part of a large project so I cannot post the code also.

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• Is there any memory restrictions on an ASP.Net application? HttpHandler?

  - by tpower

  I have an ASP.Net MVC application that allows users to upload images. When I try to upload a really large file (400MB) I get an error. I assumed that my image processing code (home brew) was very inefficient, so I decided I would try using a third party library to handle the image processing parts. Because I'm using TDD, I wanted to first write a test that fails. But when I test the controller action with the same large file it is able to do all the image processing without any trouble. The error I get is "Out of memory". I'm sure my code is probably using a lot more memory than it needs to but I just want to know why my test passes. The other difference is that I'm using SWFUpload which is not used with the test. Could this be the cause?

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