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• Open source software

  - by Maurizio Reginelli

  What is your opinion about open source software? It is helpful in many situation, for example a community can correct many bugs. But I also think that it can be dangerous for a software developer. If you develop an application and share its source code, a lot of applications can grow with a little effort, simply copying part of your code. For example, if you develop a library in WPF which can be used to create charts, and share your code, this can be dangerous for companies which main business is WPF component developing. And obviously it is dangerous for a software developer who works in that company. What do you think about this?

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• Need advice to design 'crack-proof' software

  - by alee

  I am currently working on a project where i need to create some architecture, framework or any standards by which i can "at least" increase the cracking method for a software, i.e, to add to software security. There are already different ways to activate a software which includes online activation, keys etc. I am currently studying few research papers as well. But there are still lot of things that i want to discuss. Could someone guide me to some decent forum, mailing list or something like that? or any other help would be appreciated.

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• Using Glassfish libraries in proprietary software

  - by Lóránt Pintér

  I would like to use some parts of Glassfish in a proprietary software that are under a CDDL + GPLv2 license. Am I allowed to do that? I haven't modified anything in the code of these libraries, so is this OK, or my software, because it uses these libraries, is still considered derivative work, and thus a big no-no? I mean, according to https://jaxb.dev.java.net/, JAXB is also under CDDL + GPLv2, but I know I can freely use that in proprietary software. Is this because CDDL + GPLv2 actually allows that, or is it distributed under a different license when bundled with the JRE?

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• Using malloc/free in Objective-C object

  - by Itamar Katz

  I have a class AudioManager with a member of type AudioBufferList *. (This is a struct declared in the CoreAudio framework). Since AudioBufferList is not a NSObject, I cannot retain it, so I have to alloc/free it (correct me if I'm wrong). My question is, where is the 'right' place to free it? Currently I am doing it in the dealloc method of AudioManager. If I understand correctly, this method is invoked automatically once the release message is sent to the instance of AudioManager --- is that true? Is there any other recommended practice regarding using alloc/free on non-objects members of Objective-C objects? Edit: From Apples documentation: Subclasses must implement their own versions of dealloc to allow the release of any additional memory consumed by the object—such as dynamically allocated storage for data or object instance variables owned by the deallocated object. After performing the class-specific deallocation, the subclass method should incorporate superclass versions of dealloc through a message to super: Which makes things a little bit clearer - but more insights are appreciated.

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• Any free (or cheaper) jqGrid alternatives?

  - by upthecreek

  jqGrid seems pretty good to me, but I don't like the price ($299! - for a JQuery plugin this seems waaay to high to me) Does anyone know of a similar component, for use with ASP.NET MVC, which is either free or less pricey? Thanks EDIT: If looks like I may have got the licensing terms wrong. From this page, it looked like there was no free for commercial use option. But, According to last poster this is incorrect. Can anyone else confirm it is free for commercial use?

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• Getting started with modern software architecture and design using a book

  - by bitbonk

  I am a rather oldschool developer with some basic knowledge of software design principles and a good background on classic (gof) design patterns. While I continue my life as such I see lots of strange buzzwords emerge: Aspectoriented Design, Componentoriented Design, Domain Driven Design, Domain Specific Languages, Serviceoriented (SOA) Design, Test Driven Design, Extreme Programming, Agile Development, Continuous Integration, Dependency Injection, Software Factories ... Is there good book around that I can take with me on a roadtrip while it is taking me on a trip through all (most) of the above, delivering an 10,000 foot view on modern software archiceture and desing principles and approaches.

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• Capture DDE Data that is being streamed in to a software

  - by user534391

  Hello, I have a trading software that gets data from the internet. I want to capture that tick data. There is one software that has been made by a local develop which is able to do that and it looks like it uses DDE (NDde.dll, NetSQL.dll). I want to write a custom application that does the same. Any pointers how I can check how the data is being streamed and how to capture that data. I don't think it is encrypted, since the other developer would not have been able to decrypt either. I just need to scan how the software is getting the data. Thank you.

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• Software to find dependencys in a database that not have them as restrictions

  - by Tomas Friden

  I have a database in SQL server 2005 that originaly comes fom an old mainframe. All relations was set in the surrounding software and there are non i the database. I need to find the relations, not by field name but by actual contence in the registers. (as suggestions, I realize I'l have to check them up) It would be nice with some extras, like finding motherless posts etc. but not a primary demand. There are some 200 registers with max 2 000 000 posts in any register. Does any one know of a software that can help me with this? The software I can find presuposes that relations are set in the database :(

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• What exactly does SCM stand for?

  - by mike g

  In the software world, it seems to me that SCM is an unfortunately overloaded acronym. It can mean:- Source Code Management Software Configuration Management Which one of these is the dominant term? Do they mean the same thing? To me Source Code Management is essentially synonymous with Version Control. Whereas Software Configuration Management is a larger subject, which potentially includes Build and Release Management as well. However looking on Wikipedia, it lists Subversion as a Software Configuration Management tool, which is at most only tangentially true. Build and Software Management has come up before, but nothing definitive has been said on the matter, unfortunately.

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• ASP.NET + GoDaddy Free Hosting?

  - by Sahat

  Has anyone successfully been able to deploy ASP.NET website to GoDaddy's free hosting? I am talking about free hosting that comes with a domain package from GoDaddy. The catch of the free hosting is having an annoying Google Ads banner in a frame on top of the page. I've searched Google, stackoverflow and GoDaddy forums but I can't find anywhere the solution to my problem. When I upload a ASP.NET website to GoDaddy, it gives me an error - something about TrustLevel. Someone told me that by default asp.net websites have Full Trust Level which GoDaddy doesn't allow. I've even tried changing Trust Level to Medium manually, but with no luck. What may be the problem?

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• dangling pointer, reason for value change after free()?

  - by Aman Jain

  In the following code segment, after free(x), why does y becomes 0? As per my understanding, the memory in the heap that was being pointed to by x, and is still being pointed by y, hasn't been allocated to someone else, so how can it change to 0? And moreover, I don't think it is free(x) that changed it to 0. Any comments? #include <stdio.h> int main ( int argc, char *argv[] ) { int *y = NULL; int *x = NULL; x = malloc(4); *x = 5; y = x; printf("[%d]\n", *y); //prints 5 free(x); printf("[%d]\n", *y); //why doesn't print 5?, prints 0 instead return 0; }

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• iPhone + upgrade existing paid application on app store to free application with In App purchase + w

  - by pratik

  Hello, I have implemented In App purchase in my existing application. This application is currently available on app store as paid application, I want to update this paid application to free application with this In App purchase feature, where users can download it freely and have to pay for few features to unlock them. But the problem is that, if I update the existing paid application as free application (with few features locked and user has to buy it to unlock it), what about the users who have already purchased this application. Because when they will update to new free application, few features will be locked and they have to pay again to unlock them (why should they pay, if they have already purchased whole application previously). Regards, Pratik

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• Free and Simple Hosting Solution with DB Support?

  - by darren

  Hi everyone I have compiled an sqlite database that I would like to make public. I want to provide a very simple webpage that has a few form elements which are used to query the database. Does anybody know of a free hosting solution that would provide me with free web and database functionality? I am familiar with Google App Engine and that would work but I don't want to spend time using their custom storage scheme. I'm looking for something free that I can put together very quickly. Thanks for any suggestions.

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• Java M4A atom tagging free space issue

  - by Brett

  Hey, I've been trying to be able to read and write iTunes style M4A atoms and while I've successfully done the reading part, I've come to a bit of a halt in regards to the free space atoms. I figured that I should be able edit and shift the padding around to accommodate writing an atom with more data than it originally had. I've been stuck on this for about a day now, and I've been trying to figure out how to determine the closest free space atom with enough size to accommodate the new data. so far I have: private freeAtom acquireFreeSpaceAtom( long position ) { long atomStart = Long.MAX_VALUE; freeAtom atom = null; for( freeAtom a : freeSpace ) { if( Math.abs( position - atomStart ) > Math.abs( position - a.getAtomStart() ) ) atomStart = ( atom = a ).getAtomStart(); } return atom; } That code only takes into account the closest free space atom and completely disregards the fact that it should be greater than or equal to a certain size, but I can't quite figure out how I should check for both closeness and size efficiently.

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• Which software license is "I made this, you can do anything you want with it"

  - by JavaRocky

  I am helping someone with some software they are selling. I am contributing code for free. The code that I wrote uses open source licenses and i have included them with the source code. Which software license can i put my code under? I would like to totally give the software to them for free. Please ask questions if there are issues O_o. Update: The library which is included is under Apache License, Version 2.0. Sorry for not including before.

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• When does innovative software development shows?

  - by den-javamaniac

  I've been working as a software developer for almost a year (not much though) in a corporate environment but all I've done so far is a raw software implementation of company needs. Senior coworkers don't seem to be doing some fairly different stuff. In fact their "benefit" for being experienced is simply an app design and getting their hands on new projects first. My elder software developer friend's jobs don't seem to differ from the overall picture. Currently I'm a student of a CS department and what I really want to bring in this world is some innovative(not new but innovative) stuff that haven't been there. Something as great as google wave or JARVIS (if that can be done at all) or even much better, but yet it looked like that's not possible. The question is: when do people in a corporate environment choose to create something innovative? (from your experience/thoughts)

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• Is there a free private Git repository?

  - by saturngod

  Currently I use http://www.codaset.com/ for a private repository. It's free but it can't be free forever. Codaset is nice git repo and we can write blog and wiki entries in there. I want to use a private repo for my private project. This isn't a commercial project or a big project. I also found http://www.projectlocker.com but the user interface is so poor. So, I want to use something like codaset or github repo, for free at least 1 user and 100 MB git repo.

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• Computer science versus software engineering - which?

  - by Will M

  Something I think Jeff & Joel touched on in an early stackoverflow podcast, though I don’t remember if they reached a conclusion: which curriculum is better preparation for a career as a developer and software entrepreneur, computer science in the liberal arts college, or software engineering in the engineering school? or, put another way, which credential should I look for in someone being added to my team, or to hire for my company (if I had one . . . )? Edit note: initial post mistakenly asked to compare computer science with computer engineering, rather than software engineering, and some answers relate to that question.

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• openVPN GUI does not run error about error opening registry for reading HKLM\SOFTWARE\OpenVPN

  - by Coder

  I'm trying to run OpenVPN as a portable application and to that effect i have installed it on a Windows 7 machine, copied the files to another windows 7 machine and manually restored the registry settings using a .reg file. Whenever i try to run open vpn GUI i get the following error error opening registry for reading HKLM\SOFTWARE\OpenVPN I have verified that the key mentioned is indeed in the registry at the correct location with the correct values yet the GUI still complains. I have tried running the gui as an administrator (i'm logged in as an administrator) and also the compatibility modes but none helped. I have also tried openVPN portable "OpenVPNPortable_1.6.6.paf.exe" and it has the same problem. Can anybody help me with this issue?

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• Free Dynamic DNS Nameservers

  - by Maxim Zaslavsky

  I recently set up a home server that I want to use as my primary hosting platform. So far, I've mapped some domains to it by setting up A records for them that point to my home IP. As my home IP can change randomly and without notice, however, I'm afraid of such downtime. Thus, I'm looking for a dynamic DNS solution. So far, I've set up DynDNS, but I haven't found a way to use dynamic DNS with an existing domain. Are there any free dynamic DNS nameserver services available?

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• OpenVPN access server on Amazon VPC vs free version

  - by imaginative

  Maybe I'm missing the point, but I'd like to setup simple VPN access with software VPN to access my private network on Amazon VPC. I thought OpenVPN would be a great solution for this, and I thought it might make sense to put this on the NAT instance that comes with VPC so I don't have to spend money on another instance. Is there any advantage to running the following: http://www.openvpn.net/index.php?option=com_content&id=493 vs sticking to the free solution of OpenVPN? What does one offer over the other? Any reason not to run this on the NAT instance itself?

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• Windows 7 Software Installation : Siemens Step7 and Siemens SCL

  - by Shaharyar

  Hello sysadmins, We use Siemens Step7 and SCL for PLC programming in our company. I recently got to install Windows 7 and had yet to find out that the Siemens software suite doesn't install anymore. - Which is a pain... Checking through the setup files, I found following entries in the Setups.ini file: [OS] PlattformIDAllowed=1;2 WinXP=True WinXPExclude=0,Home,1 WinXPWarning=1 WinNETServer=True WinNETServerExclude=Home,0,1 WinNETServerWarning=Home,0,1 Win2003=1 Win2003Exclude=Home,0,1 Win2003Warning=Home,0,1 Win2003R2=1 Win2003R2Exclude=0,1 Win2003R2Warning=0,1 WinVista=1 Win2008=1 Win7=1 I added the last line to try things out and it still provides me the same error.. As far as I know the suite is installed by Install**Shield**. All help would be very appreciated!

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• Software for failover across multiple external hosts

  - by Lin

  I have multiple webservers with the same content, hosted across different providers. However, I can't seem to find a nice, simple failover solution. Load-balancing software (Pound, HAProxy, etc.) are unnecessary, and I need the flexibility to manage over 100+ domains, so the paid DNS failover solutions I've found are too expensive. So far the simplest solution I've thought of is just to set a very low TTL (30min - 1hr) in each zone entry on my nameservers (running BIND). Then, continuously monitor each server, and temporarily remove failed servers from zone entries. But this seems like something that should be currently available. I only have root access to different VPSes running CentOS. Any suggestions? Thanks!

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• Free Windows traffic monitor that can run a command when reaching a limit

  - by leromarinvit

  Does anyone know a free traffic monitor tool for Windows XP which can run a configurable program when reaching a limit? Hoo Net Meter and DU Meter can do that, but they both cost money. What I'm trying to do is throttle the connection when getting close to the monthly limit, so that watching YouTube or downloading large files isn't fun any longer, but e-mail or looking something up still work. The throttling part is settled, Traffic Shaper XP works nicely. I just need something to automatically call a batch script when reaching the limit.

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• Transfer used ram to swap and free more physical ram

  - by AbuOmar

  I have a vps with 256m physical ram and 512m swap space, I am trying to use a software that need more than 256m and less than 512m ram, so it uses swap. The problem is at some moment of the installation, the installation process checks the available physical ram, it's full (some swap is used), so it pauses the installation and tills that it must be some more ram to continue the installation.. I see that I need to move some of used physical ram to swap while the process is running.. Is there anyway I can do that? or any other solution! For sorry I am using openvz vps, and the vm.swappiness option can't be modified as a solution.

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