| IDWMaster | Hi. Is there a version of Quickly for C++? | 01:17 |
|---|---|---|
| IDWMaster | I've been working on a C++ project for Ubuntu for a while; and I realized it would be nice to introduce people (especially those who are new to development on POSIX systems) to app development on Ubuntu; specifically dealing with the build system (GNU make, GNU autotools, libtools, etc). When I started I had to get data from several different sources; there wasn't a nice tutorial in one place like there is for Python. | 01:19 |
| IDWMaster | Why is this? | 01:19 |
| IDWMaster | Or is there a nice tutorial somewhere that I wasn't aware of? | 01:19 |
| IDWMaster | In my opinion providing Linux developers with C++ tools right away could improve the quality of the platform, as native languages typically (though not always) lead to higher quality applications. Unless I'm mistaken and Python has a fast, ahead-of-time native compiler now | 01:22 |
| IDWMaster | Personally I think app developers should not just be able to create a Python app for Ubuntu in under five minutes, but also a C++ app in under five minutes, which is why I've been working on some libraries to make it easier to develop in C++, and create cross-platform apps. | 01:23 |
| IDWMaster | Library is open-source and is available on Launchpad under the GPL license | 01:24 |
| IDWMaster | https://launchpad.net/crosslibs | 01:24 |
| IDWMaster | Goal is to allow people to "quickly" create C++ apps | 01:24 |
| zoopster | IDWMaster: hit up dpm during Spain office hours...he'd be interested in this. | 01:25 |
| IDWMaster | Who's dpm? | 01:25 |
| zoopster | david planella...he does a lot for developer relations in the ubuntu community team | 01:26 |
| IDWMaster | Do you have any contact information for him; or at least a Launchpad account URL? | 01:26 |
| zoopster | https://launchpad.net/~dpm | 01:27 |
| IDWMaster | Thanks | 01:27 |
| IDWMaster | Wow. Sure a lot of e-mail addresses registered with that one account! | 01:27 |
| zoopster | he's a geek | 01:27 |
| IDWMaster | Good. It's hard to find good geeks these days. | 01:28 |
| IDWMaster | Especially in the US it seems like -- I'm a computer science major and most of my class isn't even interested in programming! | 01:28 |
| IDWMaster | They're just taking it to satisfy requirements for biology, math, or physics. | 01:28 |
| IDWMaster | I was going to start an app developers' club at my school but there was absolutely no interest. | 01:29 |
| zoopster | he's on during central european time so in ~5 hours or so you'll see him in this channel | 01:29 |
| zoopster | wow...really? | 01:29 |
| IDWMaster | Yeah | 01:30 |
| zoopster | i can't believe that...there has to be some interest...even the smallest schools have IEEE clubs or others where programming is of interest | 01:30 |
| IDWMaster | Not Augsburg College | 01:30 |
| zoopster | oh. ok. | 01:30 |
| IDWMaster | I've tried to start one up but it just hasn't gotten any traction. I'll keep trying though :) | 01:31 |
| IDWMaster | Lots of people have negative pre-conceptions about programming in general, and especially C++ | 01:31 |
| zoopster | well...Minneapolis is big enough...there's bound to be some interest outside of school. | 01:32 |
| IDWMaster | I gave a speech at a major university (University of Minnesota) recently about how C++ can actually simplify common development, and how to properly abstract things. Most of the people at my speech were graduate students, professors, or professionals though, not many undergrads. | 01:33 |
| zoopster | I can see that...it can be daunting compared to python | 01:33 |
| IDWMaster | One new addition I made is called StdVal in my library | 01:33 |
| IDWMaster | For example | 01:33 |
| zoopster | is it they don't want to work hard? | 01:33 |
| IDWMaster | Think they're just frightened by the mere mention of pointers | 01:34 |
| IDWMaster | even when it's a friendly std::shared_ptr<T> | 01:34 |
| IDWMaster | auto somevalue = StdVal(5)+StdVal("Hello world!"); | 01:34 |
| IDWMaster | Console->WriteLine(somevalue); | 01:34 |
| IDWMaster | /Above line prints "5Hello world!" | 01:34 |
| IDWMaster | Text is always stored in Unicode format in the platform locale | 01:34 |
| IDWMaster | I use ICU when writing to a file though | 01:34 |
| IDWMaster | Example: | 01:34 |
| IDWMaster | std::shared_ptr<Stream> filestream = inst->Open("somefile.txt",ReadWrite); | 01:35 |
| IDWMaster | std::shared_ptr<IDataBuffer> utftext = parser->GetBytes(somevalue); | 01:36 |
| IDWMaster | std::shared_ptr<IParallelTask> task = filestream->WriteAsync(utftext,utftext->sz); | 01:36 |
| IDWMaster | /Above line gets an asynchronous operation for writing to a file | 01:36 |
| IDWMaster | /we can run this operation now using task->Run and pass in a completion callback | 01:37 |
| IDWMaster | task->Run([=](std::shared_ptr<IManagedObject> returnvalue) { | 01:37 |
| IDWMaster | std::shared_ptr<StreamRetVal> rval = CastShared(returnvalue,StreamRetVal); | 01:37 |
| IDWMaster | } | 01:38 |
| IDWMaster | ); | 01:38 |
| IDWMaster | where rval is an error code for the asynchronous write operation | 01:38 |
| IDWMaster | All of my library functions are thread-safe, except for IC80FS functions | 01:38 |
| IDWMaster | All I/O is done asynchronously by default | 01:38 |
| IDWMaster | parser (an instance of a std::shared_ptr<IDataParser>) is a platform-independent data formatter | 01:39 |
| IDWMaster | It writes data in standardized formats which can be readable by nearly any modern computer system | 01:39 |
| IDWMaster | It takes Endianness, byte sizes, and string encodings into account, and abstracts all of these concepts for the developer | 01:40 |
| IDWMaster | Also; memory allocation is cheap in my library because I wrote a custom memory allocator for it; so you don't have to worry about how many times you can call "new" in a tight loop without slowing down your application. | 01:40 |
| IDWMaster | malloc (called by new) is faster in Linux than Windows, but I chose to still use a custom allocator because I want it to be portable to other platforms like Windows, where malloc is very slow. | 01:41 |
| IDWMaster | Memory pool is also thread-safe and supports multiple pools for different threads, but also allows sharing of objects between threads. | 01:42 |
| IDWMaster | Although I've recently ran into a very annoying bug which I will probably get to fixing this weekend. | 01:42 |
| IDWMaster | It's a random segfault when calling a method in a lambda function passed by value across a thread boundary. | 01:42 |
| IDWMaster | I've determined the problem is somehow related to my allocator but haven't figured out exactly what the problem is yet. | 01:43 |
| IDWMaster | Currently only affects my IC80FS libraries (normal file system support still works just fine). | 01:43 |
| IDWMaster | BUG FOUND: Quickly doesn't work on computers with small monitors! | 01:45 |
| IDWMaster | Anyways; I'm probably the only one who uses a netbook to code anyways. | 01:47 |
| mhall119 | IDWMaster: still around? | 02:07 |
| IDWMaster | Yes | 02:07 |
| mhall119 | https://launchpad.net/quickly-community-templates I think has a quickly template for C++ and Qt | 02:08 |
| mhall119 | you can make a quickly template for pretty much anything | 02:08 |
| IDWMaster | Thanks | 02:09 |
| mhall119 | np | 02:09 |
| mhall119 | also, what do you mean quickly doesn't work on computers with small monitors? | 02:10 |
| mhall119 | it's all CLI | 02:10 |
| === duanedes1gn is now known as evilduanedesign | ||
| === davidcalle_ is now known as davidcalle | ||
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