Best cross-platform solution for network server? [closed] - c++

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im starting a new project and for the first time i want to be cross-platform. But the tricky is my project would involve listen server, cryptos etc., etc. So i was wondering what is the best solution for cross-platform development (OpenSSL, instead of MSCrypto etc.) that would be easy to write with VS2010 (yeah the RC). The language is still not specified (depends on witch we would be easier) but im leaning to Visual C++.
In Cross-Platform i mean windows/generic unix compilation.

Qt4 is a complete crossplatform framework, including a very strong socket library.
also Boost.Asio http://www.boost.org/doc/libs/1_42_0/libs/libraries.htm.

The Poco C++ library may be what you are looking for.

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Visual C++ Library for windows programing [closed]

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which library is best for windows programing today in Visual C++, which one is most used today, etc
ATL, MFC, WTL and others.. and how many exist ?
Thanks
I'll start the answer "from the back": there are many libraries for doing UI on Windows :)
Having said that I do have a few recommendations for you:
If you want to do cross-platform UI development then I suggest you look into Qt framework
If your goal is to do modern Universal Windows Apps - look no further than the UWP technology
For creating COM components I would recommend ATL
If you choose MFC you will probably get outdated in the near future (definitely within the 10 years time frame)
But ultimately the technology stack you chose greatly depends on your language of choice and your expertise as a software engineer

Is it possible to add VBA programming environment to my C++ application? [closed]

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I have an application that is written in C++ and would like to offer the user the possibility to have a VBA-programming interface (not dissimilar from the one in Excel). Is there the possibility to do that? Does a set of libraries exists for this? Is it very difficult to do?
Yes it is possible, but do regard it as being extremely difficult. As a starter for ten, your application will need a comprehensive Component Object Model interface. At that point, you would be able to use VBScript, so it might be wise to stop there.
For fully-fledged embedded VBA, you'll need to negotiate a licence with Microsoft.
Some applications (e.g. Reuters Kobra) licence the VBA interface in a similar way.

How to create gui in C++ [closed]

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I'm new in C++ and looking for a way to create gui just like windowbuilder under eclipse (java).
I will appreciate if someone can help me to find tool like windowbuilder.
OS : Linux
Thank you
Personally I'm a fan of Qt.
However, it depends entirely on what you want to do. Qt is primarily for cross platform development, so it'll look and act mostly the same between any platform, it also has a large library that may require a bit of a learning curve at first - but the licencing options make it look pretty. Also the documentation is very awesome.
There are of course a lot of other options like:
GTKmm (based on GTK+), wxWidgets, FLTK, etc...
Also this is a duplicate question, so look at some of these other answers:
How do I create a GUI for a windows application using C++?
How do I build a GUI in C++?

Easy to use SNMP client library for c++? [closed]

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What's an easy to use SNMP client library for c++?
SNMP++ is also a nice and open source library for C++ developers.
http://www.agentpp.com/api/cpp/snmp_pp.html
Probably the best choice is net-snmp. Note that the library has "C" linkage but will work just fine with C++.
I have found that Net-SNMP does not support multi-threading with v3 type queries. So if you are writing an SNMP monitoring tool that will be polling multiple hosts then you will need to take this into consideration.
OpenSNMP contains a complete multi-threaded implementation of SNMPv3 that is done in C++ (complete with classes, etc). It's not heavily used and maintained though.
Net-SNMP with v3 over TLS/DTLS is likely to be threadsafe as it's really SNMPv3/USM that contains threading issues. I think.

Open Source C++ Data Visualization Library [closed]

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We want to include data visualization in our desktop GUI (mostly timelines and graphs; clickable, draggable). We want to restrict to open-source, non-copyleft C++ libraries that allow commercial use and are portable across many platforms. Which library can I use? Our GUI is based on WxWidgets.
there is VTK.
And if data visualization is your thing, have a look at opendx too.
I think this question would be easier to answer if you also stated which other GUI components you use. Perhaps that limits the choice of available libraries. Since you're C++ and cross-platform, maybe wxWindows? Would be good not to have to guess.