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I am a Embarcadero RAD Studio user. Mainly C++Builder. I have been using this product for more than 20 years.
But I am tired of all the unresolved bugs. I am stuck with bugs I am sure they will never fix unless I pay to upgrade to their new product as usual.
I recently saw some Qt code. And noticed that objects like QString, QVariant, QRectF, etc... are really more powerful compare to RAD Studio's equivalent objects.
Unfortunately, I don't have an available computer to install a trial version and test to see the differences.
I would appreciate if there are some users who have used the 2 development tools and can tell me if Qt really is better?
Does it have less bugs? Better support?
Is it a RAD environment?
Is it easy to build web server applications, like Intraweb applications?
Does it have its own database, like Interbase? If yes, is it possible to find tools to migrate an Interbase database to a Qt database?
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I'm looking at a Qt Extended application built circa 2006-2008 and upgrading to a newer Qt framework. What direction(s) are recommended to upgrade / rewrite this application to get on the latest supported version of some Qt framework?
I assume this is an embedded platform, and in this is case first of all you need to get Linux BSP with newer Qt version (you can look into Buildroot or Yocto or even a distribution like Debian, all of these have excellent support for Qt), and make sure that you have full HW supported for your platform. This is pretty much platform and product dependent, so i can't really be more specific.
After you got the OS up and running, you can start to port your application to port to Qt5. This can be pretty straightforward (see for example https://wiki.qt.io/Transition_from_Qt_4.x_to_Qt5), but can be rather complicated if a lot of Qt Extended related features were used. Again, this depends a lot on the application itself, so hard to give guidelines.
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I am very new to DOT.net frameworks.
Shouldn't we always update to the latest release?
List Entity framework or identity framework .. all those frameworks ... why do we keep them around? just use the latest ones.
In fact, I am just starting to develop an asp.net website with RestAPIs, login, register, social login...
I wonder what is the best framework version (4.5) to use
From a large company point of view. You can not always technically get the latest version of .NET on your servers that store your applications. For some you have to go through a series of procedures to get everything to the latest so it's not necessarily developers that can trudge through this when you have a separation of duties like developers, system admins, etc. Although it's highly suggested to use the latest and greatest. Every dev/company has their own way of actually getting the most up-to-date versions of pretty much anything.
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I would like to package an asp.net mvc up for a 1 day demo if possible. The demo can be done on a local machine or I am willing to pay for simple hosting if it is a fast deployment.
Any recommendations?
If you need to demo it locally, you can just use IIS or IIS Express which should let you run in any Windows and any SKU. you can easily install that using Web Platform Installer.
But I would really consider using Microsoft Azure, which will give you 10 free web sites, no commitment, no tricks.
In fact you can even try it without creating an account or anything, go to:
https://tryappservice.azure.com/
or you can get $200 for a month and 10 perpetually free web sites just by going to: https://azure.microsoft.com/en-us/pricing/free-trial/
best thing is that there is tight integration with Visual Studio, and gives you a great way to learn the cloud.
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I'm a Delphi developer I only used to develop application on Windows platform only.
From now on, I wish to develop a GUI based database applications which target Windows, Ubuntu, OSX.
I don't have much knowledge about cross platform solution, I know I little about Java, I know almost nothing about Python and Qt.
Anyway, I prefer to use Python as the programming language and use Qt for GUI, my question is I'm not quite sure about...
What development tool and version (prefer latest if possible) do I need to install on my development machine which is running Ubuntu 13.04?
What are major differences between PyQt, Qt Designer?
Did you read basic Qt documentation?
You should write platform independed code to make it portable ;). Do not use OS-specific features, use Qt classes. You need a compiler for each platform. You need a Qt for each platform.
Visit qt-project.org and get latest versions. (And a lot of other information about Qt)
PyQt - is port of Qt libraries to python. Qt Designer - is software (tool) for making .ui files. Others??
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I want to make a lite facebook version using symfony 1.4. however i had some issues with symfony and memory in the past so :
is it wise to go with symfony ?
what are the server requirements to run it smoothly (cpu, memory ...) ?
Thanks
About the memory it is more or less a question how you define "lite" ;) There are a ton of successful websites using symfony 1.4 (also big ones like for example delicious.com), so I believe that the question of scalability is more about how mature your knowledge is for performance issues.
What are the alternative approaches you have in mind? Writing your own framework? Then my strong advice is to use an existing one instead (does not have to be sf1.4 though), as most work to start implementing the actual application logic is already done for you.
Did you habe a look at Symfony2? As it is a much more modern framework that is quite stable now (as 2.1 with new forms component will be released soon) I would suggest using it ;)