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• How do I determine whether I am going "forward" or "backward" through my History in GWT?

  - by Stephen Cagle

  I am looking at History and History JavaDocs in GWT and I notice that there is no way to tell whether the forward or backward button was pressed (either pragmatically or by the user). The "button press" is handled by your registered addValueChangeHandler, but the only thing passed to the handler is a string on your history stack. There is no…

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• How to redirect a GWT app from the Java server side?

  - by user198313

  Hello there, As you may know, res.sendRedirect(url) on the servlet side does not work because the GWT client does not process it. Does anybody knows how to do this? Thanks you. Daniel

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• How to make GWT RichTextArea transparent under Internet Explorer?

  - by Style

  Dear all, By default GWT RichTextArea is transparent against the body background etc, this is true for Firefox, Chrome and Safari. But for Internet Explorer, it is not. Changing the css for like background-color etc doesn't seems to help, it is still giving me a white background within RichTextArea. Need your assistance, thanks in advance…

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• How to redirect a GWT app from the client side?

  - by user198313

  Hello there, As you may know, res.sendRedirect(url) on the servlet side does not work because the GWT client does not process it. Does anybody knows how to do this? Thanks you. Daniel

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• How do I get the height of a GWT object in pixels?

  - by Ztyx

  How do I get the height of a GWT object in pixels? I am trying to find a getHeight method or something similar..

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• how to call a javascript fucntion from an included javacript file using GWT?

  - by subh

  I have a function Load() in a js file which I added to the GWT module. I am trying to call it using private static native void load() /*-{ $doc.Load(); }-*/; but it gives me error like Error(s) occurred! (TypeError): $doc.Load is not a function fileName: http://localhost:8888/myapp/888C05FB242806B071A932498F6B5AD9.cache.html…

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• How to load a file in GWT on the client side ?

  - by Zoja

  I'm kind of new to GWT and I'm looking how to make a menu in my client app like File-Open .. that will actualy open an text file and let me edit it in some widget ? Is there a way to load files like that ?

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• How to access comments from the java compiler tree api generated ast ?

  - by Code freak

  Hi, I've used the java compiler tree api to generate the ast for java source files. However, i'm unable to access th comments in the source files. So far, i've been unable to a way to extract comments from source file .. is there a way using the compiler api or some other tool ?

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• How can a language's compiler be written in that language?

  - by froadie

  How can you write a compiler in the same language as the language you're writing that compiler for? Isn't this sort of recursive?

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• What are the differences between a Just-in-Time-Compiler and an Interpreter?

  - by Rookian

  What are the differences between a Just-in-Time-Compiler and an Interpreter, and are there differences between the .NET and the JAVA JIT compiler?

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• Why does the compiler allow a function to return a value that is stored as a reference

  - by kern

  Can anybody explain why this code does not generate a compiler error? class Foo { public: int _x; }; Foo getFoo() { Foo myfoo; myfoo._x = 10; return myfoo; } int _tmain() { // should this line of code not be a compiler error? Foo& badfoo = getFoo(); return 0; }

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• Does the compiler optimize the function parameters passed by value?

  - by Naveen

  Lets say I have a function where the parameter is passed by value instead of const-reference. Further, lets assume that only the value is used inside the function i.e. the function doesn't try to modify it. In that case will the compiler will be able to figure out that it can pass the value by const-reference (for performance…

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• Make mex compiler of matlab working on mint?

  - by Erogol

  Mex compiler of matlab does not work with following error Warning: You are using gcc version "4.7.2-2ubuntu1)". The version currently supported with MEX is "4.4.6". For a list of currently supported compilers see: http://www.mathworks.com/support/compilers/current_release/ …

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• JIT compiler for C, C++, and the likes

  - by Ebrahim

  Is there any just-in-time compiler out there for compiled languages, such as C and C++? (The first names that come to mind are Clang and LLVM! But I don't think they currently support it.) Explanation: I think the software could benefit from runtime profiling feedback and aggressively optimized…

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• Aren't there compilers better at telling the programmer what's wrong in a code ?

  - by jokoon

  I have worked a little while with the Microsoft compiler from Visual C++ but I worked a long time with G++, and I remember often having bad times understanding what was wrong in my code with the former. Beside binary code generation and optimisation, I think this is a very important feature of a…

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• are there compiler options in clang? [on hold]

  - by Deohboeh

  I am learning from The C++ Primer. One of the exercises is to compile a program with arguments in main(). For this I am trying to use mac terminal. I need to compile a C++11 Unix executable file named "main" which takes “f" as an argument. I am using Xcode 4.6.3 on OS X Lion. I compiled the…

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• useer degined Copy ctor, and copy-ctors further down the chain - compiler bug ? programers brainbug

  - by J.Colmsee

  Hi. i have a little problem, and I am not sure if it's a compiler bug, or stupidity on my side. I have this struct : struct BulletFXData { int time_next_fx_counter; int next_fx_steps; Particle particles[2];//this is the interesting one ParticleManager::ParticleId particle_id[2]; }; …

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• Writing generic code when your target is a C compiler

  - by enobayram

  I need to write some algorithms for a PIC micro controller. AFAIK, the official tools support either assembler or a subset of C. My goal is to write the algorithms in a generic and reusable way without losing any runtime or memory performance. And if possible, I would like to do this…

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• Hiding Command Prompt with CodeDomProvider

  - by j-t-s

  Hi All I've just got my own little custom c# compiler made, using the article from MSDN. But, when I create a new Windows Forms application using my sample compiler, the MSDOS window also appears, and if I close the DOS window, my WinForms app closes too. How can I tell the…

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• Is it possible to detect a scrollbar release event in GWT?

  - by Keith

  I'm building a GWT app where I want to be able to detect when a user releases a scroll bar on one of my ScrollPanels. My use case is that the horizontal scroll bar represents time. Since it's impossible to represent the full range of scrollable time I want to just represent…

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• Google Web Toolkit Deferred Binding Issue

  - by snctln

  I developed a web app using GWT about 2 years ago, since then the application has evolved. In its current state it relies on fetching a single XML file and parsing the information from it. Overall this works great. A requirement of this app is that it needs to be able to…

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• How to handle security constraints using GWT 2.1's RequestFactory?

  - by Marc

  I am currently developing a GWT 2.1 application that is to be deployed on Google App Engine. I would like to realise the server communication using the new RequestFactory. Now my question is how to handle fine-grained security issues in this context? Some server actions…

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• In GWT-EXT checkboxtree how to handle single selection of tree nodes?

  - by RAS

  hi, I'm working on checkBoxTree in GWT-EXT 2.0.3 with Java. My aim is to get a selectionModel which allows me to select(check) only one TreeNode at a time. If I select another TreeNode after selecting one then, the previous one should be unchecked. I've tried using…

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• GWT complex app, many screens. Architecture?

  - by Kurian

  I'm making a GWT application which will have many screens. There will be a menu on the left and clicking a menu option will open the relevant module in the right side content area. Clicking on items in the content area will link to other modules that open in the…

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• What should I do that GWT use <th> instead of <td>?

  - by Paulus

  To build a HTML table I use direct DOM instead of a predefined Widget to set thead and tbody. But when I insert a cell with the insertCell() method GWT inserts an td element but should insert an th element. So TableElement table =…

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