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• How does a GUI Framework work?

  - by AlexW.H.B.

  I have been all over the web looking for an answer to this, and my question is this: How does a GUI framework work? for instance how does Qt work, is there any books or wibsites on the topic of writing a GUI framework from scratch? and also does the framework have to call methods from the operating systems GUI framework? -- Thank you to any one who takes the time to try to answer this question, and forgive me if i misspelled anything.

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• How could it happen that version control software emerged so lately?

  - by sharptooth

  According to Wikipedia (the table at the page bottom), the earliest known version control systems were CVS and TeamWare both known from year 1990. How can it be? Software development has been here from at most 1960's and I honestly can't imagine working with codebase without version control. How could it happen that version control software emerged so lately compared to software development?

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• Best startup team mix?

  - by pearcewg

  When putting together a startup for Software Engineering web based applications/systems, what would you consider to be a good mix of talent, when trying to find partners? This mix would involve defining the product and market, defining, implementing and validating requirements, and making the product polished and production ready. And, of course, needing the fewest startup people as possible.

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• Dynamic Behaviour

  - by milena

  HI, I want to find non-common examples of dynamic systems, to be modeled using UML. Any ideas?? Thanks

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• How to associate a file extension to a program without making it the default program

  - by CharlesB

  I'm deploying a small conversion tool on some systems, and want the users to be able to run it from the right click Open with menu. But I don't want to change the default program users have associated to this file type. It is easy to associate a file extension/type to a program, but how to do it without changing the default program?

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• what is as/400?

  - by coderex

  Hello what is AS/400 and where we use such systems? Which Programming language is using? where can i get the detail information about as400.

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• If you could take one computer science course now, what would it be?

  - by HenryR

  If you had the opportunity to take one computer science course now, and as a result significantly increase your knowledge in a subject area, what would it be? Undergraduate or graduate level. Compilers? Distributed algorithms? Concurrency theory? Advanced operating systems? Let me know why. (Note that I appreciate this isn't a far fetched scenario - but time and inertia might be preventing people from taking the course or reading the book or whatever)

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• Linux - specific API reference

  - by Goofy

  Hello! Where can I find centralized and complete documentation aboput Linux - specific API? I'm preparing Linux port of my application and i want to use as much Linux - specific features as it's possible. So far I found that Linux provide epoll and inotify API, which are great news for me, because my program works as network server and monitor local file systems.

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• Continuous Integration System for Delphi

  - by Ludwig Wensauer

  Are there any CI-Systems for Delphi like Hudson for Java? Does Hudson has any Delph integrations?

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• automatically exposing database tables through web services

  - by ryudice

  Is there any framework or tool to generate web services (WCF) access to all the non transactional tables in my database? something like asp.net dynamic data but with web services, I need to do this for homologation with other systems.

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• Can I automate the finding of -l parameter I use when linking based on header files (gcc)?

  - by kavic

  Normally when linking against a static library, I have to specify a library directory and the name of a libX.so (or its symbolic link) as -lX flag for linking [and its directory with -L flag]. Can I automate this based on my header files (in c/c++) only? Or maybe it is not a good idea? Is there a software for locating the -L and -l parameters automatically? Is some table stored somewhere on the system about this on popular linux systems or even cygwin?

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• In Ruby, how does one get their IP octet without going through DNS?

  - by user30997

  I can, on some of my systems, get my IP address (192.68.m.n format) by doing this: addr = IPSocket::getAddress(Socket.gethostname()) ...the trouble is that this only works if the name the local machine uses for itself is the name the DNS server associates with it. How *&#( hard can it be for ruby to just return its primary interface's IP address? I have to do this in a platform-independant way or I'd just call ifconfig or ipconfig and parse it.

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• Affine transformation algorithm.

  - by thehawk90

  Does anyone know of any standard algorithms to determine an affine transformation matrix based upon a set of known points in two co-ordinate systems?

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• Why is git better than Subversion?

  - by Ben Mills

  I've been using Subversion for a few years and after using SourceSafe, I just love Subversion. Combined with TortoiseSVN, I can't really imagine how it could be any better. Yet there's a growing number of developers claiming that Subversion has problems and that we should be moving to the new breed of distributed version control systems, such as Git. Can anyone explain how Git improves upon Subversion?

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• Is it possible to develop a remote desktop server application?

  - by Heshan Perera

  I just want to know whether it is possible to develop an Android application that will allow remotely controlling an Android phone in the same way that remote desktop, or team viewer allows control over desktop operating systems. Is it possible on an unrooted phone? The basic functionlit required to acompolish this is would be the ability to capture the frame buffer and programmatically invoke touch on the device. Any feedback on this matter would be highly appreciated.

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• Ubuntu: Graphics freeze

  - by Phil

  We have recently updated a java application which runs on an Ubuntu PC, and are now experiencing a graphics problem that we didn't encounter before. The system is running constantly, and randomly maybe twice a month but sometimes within a few days the systems graphics will freeze, and the gnome panels are frozen. Here is an extract from the syslog; Jun 28 05:41:53 swimtag-NM10 kernel: [34802.970021] [drm:i915_hangcheck_elapsed] ERROR Hangcheck timer elapsed... GPU hung Jun 28 05:41:53 swimtag-NM10 kernel: [34802.970177] [drm:i915_do_wait_request] ERROR i915_do_wait_request returns -5 (awaiting 937626 at 937625)

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• Naive question of memory references in Operating system

  - by darkie15

  Hi All, I am learning memory references pertaining to Operating systems and don't seem to get to the crux of understanding it. For example, I am not able to visualize this scenario properly: "A 36 bit address employs both paging and segmentation. Both PTE and STE are 4 bytes each". How are they related? I can guess that this question might be too simple for many. But any help understanding the above basic concept would be appreciable. Regards, darkie15

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• What alternatives do I have if I want a distributed multi-master database?

  - by Jonas

  I will build a system where I want to reduce single-point-of-failures, and I need a database. Is there any (free) relational database systems that can handle multi-master setups good (i.e where it is easy to add and remove nodes) or is it better to go with a NoSQL-database? As what I have understood, a key-value store will handle this better. What database system do you recommend for a multi-master (cluster) setup?

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• Design considerations for a multi-language web application

  - by gAMBOOKa

  I was asked by an interviewer today how I would implement Arabic as a second language into a PHP web application. I talked about choosing a unicode encoding for the database and the front-end, and designing RTL friendly user interface modules. And he didn't seem too happy with the answer. I don't really know anything about multi-lingual systems, how would you have answered that question?

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• AtomicSwap instead of AtomicCompareAndSwap ?

  - by anon

  I know that on MacOSX / PosiX systems, there is atomic-compare-and-swap for C/C++ code via g++. However, I don't need the compare -- I just want to atomically swap two values. Is there an atomic swap operation available? [Everythign I can find is atomic_compare_and_swap ... and I just want to do the swap, without comparing]. Thanks!

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• Big, Thick Reference Books (PHP / MySQL / Unix) [closed]

  - by Josh K

  I'm looking for in-depth reference books / guides in PHP, MySQL, and Unix. I'm aware there other other questions pertaining to good books for short references of function names, or detailed beginner guides to these systems. I'm looking for something different. I want a book that I can either use as a quick but in-depth (decent write up, not a pocket reference guide) reference to common functions (JOINS, string manipulation, Regular Expressions, etc) while also providing a detailed inner workings explanation on the system itself.

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• Which programming languages that can generate self contained windows .exes?

  - by Zubair

  I want to make an easy to deploy Windows application and was was wondering which programming systems can create totally self contained Windows .exe files? As a plus, if the same can be done with MacOSX and Linux from the same source this would be a bonus. I took a look at Realbasic but they have since abandoned the single .exe concept.

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• Custom membership provider via WCF authorization question

  - by Diego

  I've made a global authentication via WCF to use with the most of our systems, but found that load data via WCF not very so fast. What I need to do now is verify every time that the page is loading if the user has access granted to that page.... Its a good pratice to go back in WCF request this info for every page that the user access?This will not slow down my entire system?

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• Passion to learn

  - by rajivpradeep

  Hi, I want to learn C , UNIX and LINUX, and more about embedded systems. Very much interested in them. Are there any online courses or websites which can guide me. And please suggest books to read in learning them. Thanks for your time.

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• Start app from within python

  - by Aaron Hoffman

  Hello, I'm trying to start an application using Python. I've seen that some people use startfile but I also read that it only works with Windows. I'm using Mac systems and hoping for it to work with them. Thanks, Aaron

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