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• Is there a logging facade for the .NET world?

  - by Elijah

  I'm somewhat new to the .NET stack and I was wondering if there is an equivalent to slf4j for the .NET platform. For me, logging to a Facade and being able to swap out logging implementations as needed just makes sense. Furthermore, the wrapper APIs available in slf4j have saved me many times when I needed to use a third-party library that was coded against a single logging framework that I wasn't using. Is there a project out there that acts as a facade between loggers like log4net, nLog and Enterprise Library? Are there wrappers that allow me to shortcut calls to those libraries and direct them to another library? Should I start out an open source project to do this myself? Is this question a duplicate because I don't know the right way to ask? Conversely, is the common way to do this using aspect orient programming?

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• gcc-4.2 failed with exit code 1 iphone

  - by SKayser

  Hi, I've seen this error with different variations on discussion forums but being a non programmer I'm not sure how to progress this. Basically I have code which I found to help me with changing the background colors of cells on a grouped uitableview. The code introduced a line as such: CGContextAddArcToPoint(c, minx, miny, midx, miny, ROUND_SIZE); This gave an error indicated that it wasn't declared, so I added to my .h file the following under import uikit: #import <UIKit/UIKit.h> #define ROUND_SIZE 10 Now it shows that I have an error: Command/Developer/Platforms/iPhoneSimulator.platform/Developer/usr/bin/gcc-4.2 failed with exit code 1 iphone Some discussions talk about libraries but because I don't have a programming background I don't understand what to do. I also see that some people show a log output but I'm not sure where that comes from as I don't get any debug windows because I'm guessing it doesn't get that far. I simply click 'Build and Go' and I get this error in the Message window. Any thoughts?

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• Which management tools would you recommend for software development?

  - by Robert Schneider

  What would you generally recommend for software developement? Which combination do you use or would you recommend? I assume that tools are needed for Version control, issues/bugs/task, Release management, Requirement management. Tools for Test management and Project management should be accounted for as well, I guess. Did I forget anything? Maybe tools for Continous Integration. I'm not interested in a halfway combination of one ore two tools like a Subversion + Bugzilla (I know they are good but for a company they might not be sufficient). And also tools like make/ant shouldn't be taken into account. I'd like to know a combination that covers all what is important for professional software development. However, it could be a single tool of course if it covers all the management issues. What do you think would be a good combination? I assume a combination should be regardes as good if the tools itself are good but also if they have good integrations. Udate: Something like Ant is just a script not a management tool. Okay: we do already have Perforce. But this is somehow generic. We have different projects that uses C-, VS/.NET-, Python-, PHP and we will be starting new projects in Java. Plenty of languages and frameworks, though some are going to be legacy. So the tools should be generic. Obviously we don't want to use Bugzilla for one project and Jira for another. The management tools have to be generic. Further thoughts: Think of sourceforge: For each project they offer a version control system, an issue tracker, a wiki, ... totally independent of what the project is about. Those are some management tools that a project usually needs. I would say that most companies need such a set of tools. But I could imagine, if a company has several projects, they need further tools too: for Project management, Quality management, ... And I could imagine there are some recommendable combinations of tools. A not really apropiate comparison to this could be LAMP (Linux, Apache, MySQL, PHP). A combination of software that has evolved since they work very well together, and are pretty useful for a lot of applications (or rather web sites). So maybe there are some recommendable management tool combinations that also fit toghether like LAMP. The integration is important. Thank you for the incredibly fast and helpful responses!!!

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• EF and design pattern

  - by kathy

  Hello, I’m working on a high volume transactional enterprise application(asp.net, windows app, oracle app as client) which has been designed using n-tire application and SOA architecture .The application was developed in the .NET platform utilizing C#,VB.NET, Framework 3.5 (I’m planning to upgrade to the , Framework 4.0), EF( EF in the data layer level) and WCF(WCF services in the service layer level) Since this is the first project using EF, and having read about using EF in n-tier and SOA applications, and the features available in the EF Feature, I have the following points: Which design pattern should I use in EF( Simple Entities, Change Set, Self-Tracking Entities and DTOs) in the data layer level In addition Which design pattern should I use in the other tier and layer to get the best practices of EF Thanks

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• How much of the "Objective-C" I'm learning is universal Objective-C, and not Apple's frameworks?

  - by Chris Cooper

  This question is related to one of my others about C: What can you do in C without “std” includes? Are they part of “C,” or just libraries? I've become curious lately as to what is really contained the the core Objective-C language, and what parts of the Objective-C I've done for iPhone/OS X development is specific to Apple platforms. I know that things like syntax are the same, but for instance, is NSObject and its torrent of NS-subclasses actually part of "standard" Objective-C? Could I use them in, say, Windows? What parts are universal for the most part, and what parts would I only find on an Apple platform? If you want, giving an example of Objective-C used elsewhere as an example of what is more "universal" would help me as well. Thanks! =)

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• qt/wxwidgets third party components?

  - by tkd

  I'm used to working in a Delphi and C# environment which seem to have a rich set of third party components available. I'm currently wanting to do cross-platform programming in C++ using either qt or wxwidgets. Is there a large market for third party components? I was looking at sourceforge and that doesn't seem to show much that is useful (how the hell do you find out what components or features are in a project without downloading the source?). I'm thinking carousel/coverflow components, rich datagrids (like the sort DevExpress provide). Or is this, write your own territory?

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• How to use Mesa3D on Mac OS X and Windows

  - by gutsblow

  Hello all, I need to use Mesa3D for a cross platform application(windows and Mac only) which uses only offline software rendering. The reason I wanted to use Mesa3D is because it has the same Drawing calls as OpenGL and they are really easy. Now I know that Apple itself has a software implementation (which I heard is flaky), but I prefer using Mesa so that it's a lot easier for me to maintain the code on both platforms. On windows I managed to compile three DLL's from the Mesa3d source, but don't know what to do with them. On Mac OS X I am completely clueless. I would highly appreciate your help. Thank you once again very much!

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• Is there any way to get MSVC to pass structs arguments in registers on x64?

  - by Luke

  For a function with signature: struct Pair { void *v1, *v2 }; void f(Pair p); compiled on x64, I would like Pair's fields to be passed via register, as if the function was: void f(void *v1, void *v2); Compiling a test with gcc 4.2.1 for x86_64 on OSX 10.6, I can see this is exactly what happens by examining the disassembly. However, compiling with MSVC 2008 for x64 on Windows, the disassembly shows that Pair is passed on the stack. I understand that platform ABIs can prevent this optimization; does anyone know any MSVC-specific annotations, calling conventions, flags, or other hacks that can get this to work? Thank you!

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• Allocated memory address clash

  - by Louis

  Hi, i don't understand how this happen. This is portion of my code.. int isGoal(Node *node, int startNode){ int i; . . } When i debug this using gdb i found out that 'i' was allocated at the memory address that have been previously allocated. (gdb)print &node->path->next $26 = (struct intNode **) 0xffbff2f0 (gdb) print &i $22 = (int *) 0xffbff2f0 node-path-next has been already defined outside this function. But as u can see they share the same address which at some point make the pointer point to another place when the i counter is changed. I compiled it using gcc on solaris platform Any helps would be really appreciated..

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• Step-by-step execution for Intel AT&T assembler?

  - by Søren Haagerup

  Hello everyone, I'm writing a compiler that converts source code (written in a small imperative programming language) to Intel AT&T 32-bit assembler. I tend to spend a lot of time debugging, because of nasty offset-mistakes etc. in the generated code, and I would like to know if anyone knows of a tool to "walk through" the generated assembler code step-by-step, visualizing what's on the stack etc. I use Ubuntu Linux as my development platform, and I'm comfortable with the terminal -- a GUI-program would be nice though. Does it exist? Or is there a good reason it doesn't (maybe the problem isn't so straightforward..?) If you have good ideas for approaching debugging tasks in assembly code, I'll be glad to hear from you!

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• What DVCS support Unicode filenames?

  - by Craig McQueen

  I'm interested in trying out distributed version control systems. git sounds promising, but I saw a note somewhere for the Windows port of git that says "don't use non-ASCII filenames". I can't find that now, but there is this link. It's put me off git for now, but I don't know if the other options are any better. Support for non-ASCII filenames is essential for my Japanese company. I'm looking for one that internally stores filenames as Unicode, not a platform-dependent encoding which would cause endless grief. So: What DVCS support Unicode filenames? In both Windows and Linux? Ideally, with the possibility to transfer repositories between Windows and Linux machines with minimal issues?

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• Good .NET based CMS?

  - by rAm

  For many projects we had to choose a CMS platform. I came across a few CMS platforms based on .NET. I want to know your experience. Community Server (cannot be called a true CMS) DotNetNuke (DNN) Umbraco Kentico Sitefinity Can you please touch upon the following points: UI customization. Feature extension. Third party extensions Support And most important: how much time it takes to learn, as a programmer and someone who manages the application with little or no programming knowledge. Update: thanks for all the responses, I have seen the other thread but did not get a satisfactory reply addressing the Support and Time? (which I forgot to add earlier).

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• How to get Java XP Look and Feel

  - by Yatenda Goel

  I want to give XP Look and Feel to my Java Desktop Appliction, regardless of the platform it will run. I came to know that since JDK 1.4, Sun Microsystems has officially released a look and feel for XP - com.sun.java.swing.plaf.windows.WindowsLookAndFeel I am using Java 1.6 but when I didn't find any package named windows in javax.swing.plaf package. Q1. How can I use the XP Look and Feel? Q2. Will using this look and feel will appear same on all platforms (mac, solaris, linux)?

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• Porting a project to OpenGL3

  - by Decapsuleur

  Hi everyone, I'm working on a C++ cross-platform OpenGL application (Windows, Linux and MacOS) and I am wondering if some of you could share some advices on porting a large application to OpenGL 3. The reason I am looking into OpenGL 3 is because I think we could benefit a lot from using the new "Sync objects". Nvidia has supported such an extension since the Geforce 256 days (gl_nv_fences) but there seems to be no equivalent functionality on ATI hardware before OpenGL 3.0+... Our code makes quite heavy use of glut/freeglut, glu functions, OpenGL 2 extensions and CUDA (on supported hardware). The problem I am now facing is that "gl3.h" and "gl.h" are mutually incompatible (as stated in gl3.h). Do you guys know if there is a GL3 glut equivalent ? Also, looking at the CUDA-toolkit header files, it seems that GL-CUDA interoperability is only available when using older versions of OpenGL... (cuda_gl_interop.h includes gl.h...). Am I missing something ? Thanks a lot for your help.

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• Transparent proxying - how to pass socket to local server without modification?

  - by Luca Farber

  Hello, I have a program that listens on port 443 and then redirects to either an SSH or HTTPS local server depending on the detected protocol. The program does this by connecting to the local server and proxying all data back and forth through its own process. However, this causes the originating host on the local servers to be logged as localhost. Is there any way to pass the socket directly to the local server process (rather than just making a new TCP connection) so that the parameters of sockaddr_in (or sockaddr_in6) will be retained? Platform for this is Linux.

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• Edit a video to embed a bitmap.

  - by Rajkumar R

  I would like to edit a video so that i can embed a small bitmap image at any corner. The bitmap image has to be replaced with another image, for every two video frames. If somehow it is possible to covert a group of pictures into slideshow video then i want that video to be embedded at the corner of the main video. The size of the bitmap is about the size of a channel logo and that is exact space it will occupy in the video. Please guide me in accomplishing. Is there any existing libraries available to do this. I am working on .Net 4 platform but i do

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• Returning a DOM element with Webdriver in Javascript

  - by ehmicky

  How do I return a DOM Element with Webdriver in Javascript? I am using the wd.js Javascript bindings: require("wd") .remote("promiseChain") .init() .get("http://www.google.com") .elementById("mngb") .then(function(element) { console.log(element); }); I am getting this weird object that is not a standard DOM Element (for example I cannot get the HTML code out of it): { value: '0', browser: { domain: null, _events: {}, _maxListeners: 10, configUrl: { protocol: 'http:', slashes: true, auth: null, host: '127.0.0.1:4444', port: '4444', hostname: '127.0.0.1', hash: null, search: '', query: {}, pathname: '/wd/hub', path: '/wd/hub', href: 'http://127.0.0.1:4444/wd/hub' }, sauceRestRoot: 'https://saucelabs.com/rest/v1', noAuthConfigUrl: { protocol: 'http:', slashes: true, host: '127.0.0.1:4444', port: '4444', hostname: '127.0.0.1', hash: null, search: null, query: null, pathname: '/wd/hub', path: '/wd/hub', href: 'http://127.0.0.1:4444/wd/hub' }, defaultCapabilities: { browserName: 'firefox', version: '', javascriptEnabled: true, platform: 'ANY' }, _httpConfig: { timeout: undefined, retries: 3, retryDelay: 15, baseUrl: undefined }, sampleElement: { value: 1, browser: [Circular] }, sessionID: '238c9837-3d82-4d90-9594-cefb4ba8e6b9' } }

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• Eclipse RCP & tycho - The type org.eclipse.swt.widgets.Button cannot be resolved. It is indirectly referenced from required .class files

  - by Skip

  Situation: I have an Eclipse RCP Application, which I am trying to build with tycho plugin for Eclipse. When I am executing my Eclipse Application inside of the IDe - the Application is executed normally. When using tycho to build the Application - the following error is thrown: The type org.eclipse.swt.widgets.Button cannot be resolved. It is indirectly referenced from required .class files What I did : In other cases where a "missing requirenments" exception was thrown, which I found - a missing transitive plugin-dependency was the reason. In my case an SWT widget "Button" is missing, so I am trying to import swt. SWT is platform dependant so I am importing swt inside of the product, as described here. Anyway, during compilation the error occurs again. Question: Do someone have any Idea, how to solve this Problem?

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• C String literals: Where do they go?

  - by Chris Cooper

  I have read a lot of posts about "string literals" on SO, most of which have been about best-practices, or where the literal is NOT located in memory. I am interested in where the string DOES get allocated/stored, etc. I did find one intriguing answer here, saying: Defining a string inline actually embeds the data in the program itself and cannot be changed (some compilers allow this by a smart trick, don't bother). but, it had to do with C++, not to mention that it says not to bother. I am bothering. =D So my question is, again, where and how is my string literal kept? Why should I not try to alter it? Does the implementation vary by platform? Does anyone care to elaborate on the "smart trick?" Thanks for any explanations.

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• Best approach for building a multiplattform graphical interface for a command-line application

  - by Werner

  Hi, I developed a command line application, whose binary runs in Linux, Windows and Mac OSX. It reads some text input files, but I realize that some special users can not handle this. I would then like to build some kind of graphical interface, where the user only finds buttons and scroll bars for selecting the input parameters, a big "run" button, and then it reads the output of the program and makes some figures. I also need that everything gets finally packed in a single file, which uses only static libraries, so the user just needs to copy the file to his/her machine and run it. I would like to know what is the best open source and multi-platform approach to do this. 10 years ago I played a bit with something similar on DEC machines, so I guess that nowadays the situation has probably improved a bit. P.S. For designing the graphical interface, I am looking for a graphical approach, where you add buttons, scroll bars with the mouse P.S. 2: the interface is really simple, just need less than 10 buttons, 5 text fields and 2 scrolla bars Thanks

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• What is the best way to limit the amount of text that can be entered into a 'textarea'?

  - by Jesse Taber

  What is the best way to limit the amount of text that a user can enter into a 'textarea' field on a web page? The application in question is ASP .NET, but a platform agnostic answer is preferred. I understand that some amount of javascript is likely needed to get this done as I do not wish to actually perform the 'post' with that amount of data if possible as ASP .NET does have an upper limit to the size of the request that it will service (though I don't know what that is exactly). So maybe the real question is, what's the best way to do this in javascript that will meet the following criteria: -Must work equally well for both users simply typing data and copy/paste'ing data in from another source. -Must be as '508 compliance' friendly as possible.

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• Help with a pseudo-class, first-child

  - by zac

  I am working on a CMS platform with limited access to the template files and want to try and control some of the layout with pseudo class but no luck yet. Can anyone see what is wrong with this structure and why my pseudo class is being ignored? <div id="main"> <div class="someRandomDiv"></div> <div class="block"> stuff </div> <div class="block"> more stuff </div> </div> and i am trying something like this #main .block {border: 1px solid blue} #main .block:first-child {border: 1px solid red} so with this example I would think the stuff block would have a red border and more stuff would have a blue but it is all just blue. Thanks for any help with this.

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• Joomla 1.5 Media Manager sets incorrect file permissions when uploading

  - by Scott Mayfield

  Howdy all, I have a Joomla 1.5 installation running on Windows Server 2008, installed via the Web Platform Installer. When uploading images with the media manager (native uploader, not the flash bulk uploader), the files arrive on the server correctly, but are given incorrect permissions. Specifically, the IIS_IUSRS group is not given access to the file. I might be incorrect about what group/user is SUPPOSED to get access to the files, but so far, I've found that unless I give IIS_IUSRS access to the uploaded files, they won't appear on the site or in the media manager (appear as broken images). Once I give IIS_IUSRS permission to the files, they work fine. So far, all the research I've done has led me to linux specific fixes that involve either changing the umask on the server, or directly modifying the Joomla codebase to add an appropriate chmod command to the upload process, but I really don't want to modify Joomla directly. I have to believe there's a setting here somewhere that will do the job, either on the Joomla or Windows side of the equation. Any thoughts? Scott

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• How is joystick axis information formatted from a USB Joystick?

  - by aquanar

  I actually just have a rather small question, but I have had the HARDEST time finding information about it. For the application I am programming for, there will be a 3-axis joystick being connected via USB to a Windows XP computer, and it is being handled by directx. That information will then be sent elsewhere to an embedded controller. I don't need to know too much of the intricacies of how directx handles it, but I want to know, how is the data for the axes formatted? Nearest I can tell, most joysticks nowadays have 12 bits of resolution, so is the data output as a 12-bit 2's compliment number? And after that, is it represented as a signed 16-bit integer when it is captured from directx? I'd like to know this so I know how I will work with the data at the embedded platform side, such as how to format the packets sending data to the embedded side, as well ashow to use the information once it is on the embedded side.

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• How to communicate between Client and Server in a Client-Server Application?

  - by Sanoj

  I would like to implement an Client-Server Application, where the business-logic, security validations and a database are at the server and the user interface are at the client. I would like to implement clients in different languages i.e. one in WPF/.NET, one Swing/Java , one in Android/Java and maybe one HTML/JavaScript client. The server will be on Internet, so I would like to be able to have encrypted communication. The client will send some lists of items to be added to the database, or update items, and do some transactions. The server will check if the items are already updated by another client, or update the item, add new items or delete items. How do I solve the communication between clients and the server in such a system? I have been thinking about: http/https webserver, and sending messages in JSON or XML and use Web Sockets for bi-directional communication. Use http in a RESTful way, except when WebSockets are needed. But I guess there are better solutions for native desktop applications than http? CORBA - I have just heard about it, and it's old and complex. Not much talk about it these days. XMPP/Jabber - I have just heard about it and I don't know if it fits me at all. EJabberd seams to be a popular implementation. AMQP - I have just heard about it and I don't know if it fits me at all. RabbitMQ seams to be a popular implementation. Windows Communication Foundation, Java RMI, Java Message Service - but are they language independent? I guess some of these alternatives are on different levels, maybe I can have i.e xmpp or amqp in web sockets over https? What technologys are used for this problem in companies today? and what is recommended to use? I have no experience of them other than webservers and http. Please give me some guidance in this jungle. What are the pros and cons of these technologies in my situation?

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