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  • Python or HTML5/JS for game development on 2014 [on hold]

    - by AlexKvazos
    So I've decided to give game development a go. I have experience on php/html/css/sql/js(jquery) so learning a new language shouldn't be as hard. I was reading that python and javascript are both nice for simple 2d non-intensive games. I found that python has this library/engine called PyGame but I realized that it was last updated 4 years ago. People still use this? And for javascript, I found libraries like 'pixi.js', 'melon.js' and 'cocos2d'. My goal is to make 2D games that would require the same performance as terraria, realm of the mad god, castle crashers.. and all those types of games. Taking into consideration, that I do want an updated library, what language of this two would be best to choose and what library to grab for it? Thanks in advance, sorry if question is broad. Let me know and I can edit to add more.

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  • Learning Python from Beginner to Advanced level

    - by Christofer Bogaso
    I have some problems in my hand and would like to resolve them by myself (rather than hiring some professional, obviously due to cash problem!): build a really good website (planning to set-up my own start-up). build some good software (preferrably with exe installation files) on many mathematical and statistical techniques. To accomplish those tasks, is it worth to learn Python in advance level? I have advanced programming experiences with R and Matlab and VBA (and some sort of C), however not anything on Python. Be very grateful if experts put some guidance here. Thanks for your time.

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  • [python] voice communication for python help!

    - by Eric
    Hello! I'm currently trying to write a voicechat program in python. All tips/trick is welcome to do this. So far I found pyAudio to be a wrapper of PortAudio. So I played around with that and got an input stream from my microphone to be played back to my speakers. Only RAW of course. But I can't send RAW-data over the netowrk (due the size duh), so I'm looking for a way to encode it. And I searched around the 'net and stumbled over this speex-wrapper for python. It seems to good to be true, and believe me, it was. You see in pyAudio you can set the size of the chunks you want to take from your input audiobuffer, and in that sample code on the link, it's set to 320. Then when it's encoded, its like ~40 bytes of data per chunk, which is fairly acceptable I guess. And now for the problem. I start a sample program which just takes the input stream, encodes the chunks, decodes them and play them (not sending over the network due testing). If I just let my computer idle and run this program it works great, but as soon as I do something, i.e start Firefox or something, the audio input buffer gets all clogged up! It just grows and then it all crashes and gives me an overflow error on the buffer.. OK, so why am I just taking 320 bytes of the stream? I could just take like 1024 bytes or something and that will easy the pressure on the buffer. BUT. If I give speex 1024 bytes of data to encode/decode, it either crashes and says that thats too big for its buffer. OR it encodes/decodes it, but the sound is very noisy and "choppy" as if it only encoded a tiny bit of that 1024 chunk and the rest is static noise. So the sound sounds like a helicopter, lol. I did some research and it seems that speex only can convert 320 bytes of data at time, and well, 640 for wide-band. But that's the standard? How can I fix this problem? How should I construct my program to work with speex? I could use a middle-buffer tho that takes all available data to read from the buffer, then chunk this up in 320 bits and encode/decode them. But this takes a bit longer time and seems like a very bad solution of the problem.. Because as far as I know, there's no other encoder for python that encodes the audio so it can be sent over the network in acceptable small packages, or? I've been googling for three days now. Also there is this pyMedia library, I don't know if its good to convert to mp3/ogg for this kind of software. Thank in in advance for reading this, hope anyone can help me! (:

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  • How to disable floating tabs in Visual Studio 2010

    - by md1337
    I now use the new Visual Studio 2010 and I experience something very annoying that wasn't happening before with Visual Studio 2008. Something changed with the way it handles the floating of tabs and I can't stand it. Every once in a while, I would somehow trigger the floating of a tab instead of just switching to it. It may have to do with the way I click (maybe a very fast double click gets sent), or maybe I very slightly drag the mouse when clicking the tab. I don't know. All I know is that I was fine with Visual Studio 2008. Is there a way to disable this somewhere? I want to either un-register the double click as a floating tab trigger, or remove the floating option altogether. How can I do that? Thanks.

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  • Visual Studio IDE freezing while initializing ToolBox

    - by Mohanavel
    I'm working on Visual Studio 2008, Smart Client + infragistics controls are installed and we have more than 50 User Controls. When opening the Visual Studio "Tool Box", Visual Studio is completely freezing. I couldn't work after that. I have to kill the process and open again. At this point CPU usage is around 50, CPU usage is 1 or 2 when i work on code. How to get rid out of this issue. This is really time consuming process.

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  • TFS 2010 RC does not run Visual Studio 2008 MSTest unit tests

    - by Bernard Vander Beken
    Steps: Run the build including unit tests. Expected result: the unit tests are executed and succeed. Actual result: the unit tests are built by the build, but this is the result: 1 test run(s) completed - 0% average pass rate (0% total pass rate) 0/4 test(s) passed, 0 failed, 4 inconclusive, View Test Results Other Errors and Warnings 1 error(s), 0 warning(s) TF270015: 'MSTest.exe' returned an unexpected exit code. Expected '0'; actual '1'. All the tests are enumerated (four), but the result for each test is "Not Executed". Context: Team Foundation Server 2010 release candidate A build definition that runs projects using the Visual Studio 2008 project format and .NET 3.5 SP1. The unit tests run on a development machine, within Visual Studio. The unit tests project references C:\Program Files (x86)\Microsoft Visual Studio 9.0\Common7\IDE\PublicAssemblies\Microsoft.VisualStudio.QualityTools.UnitTestFramework.dll Typical test class [TestClass] public class DemoTest { [TestMethod] public void DemoTestName() { } // etc }

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  • Resharper and ViEmu Keybindings ( and Visual Assist )

    - by Keith Nicholas
    With ViEmu you really need to unbind a lot of resharpers keybindings to make it work well. Does anyone have what they think is a good set of keybindings that work well for resharper when using ViEmu? What I'm doing at the moment using the Visual Studio bindings from Resharper. Toasting all the conflicting ones with ViEmu, and then just driving the rest through the menu modifiers ( Alt-R keyboard shortcut for the menu item ). I also do the same with Visual Assist shortcuts ( for C++ ) if anyones got any tips and tricks for ViEmu / Resharper or Visual Assist working together well I'd most apprciate it!

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  • Get signal names from numbers in Python

    - by Brian M. Hunt
    Is there a way to map a signal number (e.g. signal.SIGINT) to its respective name (i.e. "SIGINT")? I'd like to be able to print the name of a signal in the log when I receive it, however I cannot find a map from signal numbers to names in Python, i.e. import signal def signal_handler(signum, frame): logging.debug("Received signal (%s)" % sig_names[signum]) signal.signal(signal.SIGINT, signal_handler) For some dictionary sig_names, so when the process receives SIGINT it prints: Received signal (SIGINT) Thank you.

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  • Python: Implementing slicing in __getitem__

    - by nicotine
    I am trying to implement slice functionality for a class I am making that creates a vector representation. I have this code so far, which I believe will properly implement the slice but whenever I do a call like v[4] where v is a vector python returns an error about not having enough parameters. So I am trying to figure out how to define the getitem class to handle both plain indexes and slicing. def __getitem__(self, start, stop, step): indx = start if stop == None: end = start + 1 else: end = stop if step == None: stride = 1 else: stride = step return self.__data[indx:end:stride]

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  • SyntaxError using gdata-python-client to access Google Book Search Data API

    - by isbadawi
    >>> import gdata.books.service >>> service = gdata.books.service.BookService() >>> results = service.search_by_keyword(isbn='0434003484') Traceback (most recent call last): File "<pyshell#4>", line 1, in <module> results = service.search_by_keyword(isbn='0434003484') ... snip ... File "C:\Python26\lib\site-packages\atom\__init__.py", line 127, in CreateClassFromXMLString tree = ElementTree.fromstring(xml_string) File "<string>", line 85, in XML SyntaxError: syntax error: line 1, column 0 This is a minimal example -- in particular, the book service unit tests included in the package also fail with the exact same error. I've looked at the wiki and open issue tickets on Google Code to no avail (and this seems to me more apt to be a silly error on my end rather than a problem with the library). I'm not sure how to interpret the error message. If it matters, I'm using python 2.6.5.

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  • Building webparts with Visual Studio 2010 Express

    - by MalphasWats
    Hi, I'm trying to get started with building my own webparts, planning to follow this MSDN article. I've downloaded Visual C# 2010 Express - I'm not quite at the point where I feel comfortable dropping 1000 big ones yet, and I installed Visual Web Developer 2010 Express via the WPInstaller. Following through the tutorial, aside from the fact that I don't get the option to create a "Web Control Library", a gap I filled with this article, I can't seem to find the sn.exe tool (or the "Visual Studio 2005 Command Prompt"!). I know it's not quite a direct programming related question, but I can't even get the thing going yet! Any help is appreciated. Thanks EDIT:- I think I may be jumping the gun quite considerably, I wrote a simple hello world example and tried to build it but it doesn't have any references to the Microsoft.SharePoint packages and they don't appear in my lists. Am I understanding some more research I've done (namely this) correctly, in that I have to actually have a full installation of actual SharePoint on the machine I'm developing on?

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  • Python: Slicing a list into n nearly-equal-length partitions

    - by Drew
    I'm looking for a fast, clean, pythonic way to divide a list into exactly n nearly-equal partitions. partition([1,2,3,4,5],5)->[[1],[2],[3],[4],[5]] partition([1,2,3,4,5],2)->[[1,2],[3,4,5]] (or [[1,2,3],[4,5]]) partition([1,2,3,4,5],3)->[[1,2],[3,4],[5]] (there are other ways to slice this one too) There are several answers in here http://stackoverflow.com/questions/1335392/iteration-over-list-slices that run very close to what I want, except they are focused on the size of the list, and I care about the number of the lists (some of them also pad with None). These are trivially converted, obviously, but I'm looking for a best practice. Similarly, people have pointed out great solutions here http://stackoverflow.com/questions/312443/how-do-you-split-a-list-into-evenly-sized-chunks-in-python for a very similar problem, but I'm more interested in the number of partitions than the specific size, as long as it's within 1. Again, this is trivially convertible, but I'm looking for a best practice.

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  • python: variable not getting defined after several conditionals

    - by Protean
    For some reason this program is saying that 'switch' is not defined. What is going on? #PYTHON 3.1.1 class mysrt: def __init__(self): self.DATA = open('ORDER.txt', 'r') self.collect = 0 cache1 = str(self.DATA.readlines()) cache2 = [] for i in range(len(cache1)): if cache1[i] == '*': if self.collect == 0: self.collect = 1 elif self.collect == 1: self.collect = 0 elif self.collect == 1: cache2.append(cache1[i]) self.ORDER = cache2 self.ARRAY = [] self.GLOBALi = 0 self.GLOBALmax = range(len(self.ORDER)) self.GLOBALc = [] self.GLOBALl = [] def sorter(self, array): CACHE_LIST_1 = [] CACHE_LIST_2 = [] i = 0 for ORDERi in range(len(self.ORDER)): for ARRAYi in range(len(array)): CACHE = array[ARRAYi] if CACHE[self.GLOBALi] == self.ORDER[ORDERi]: CACHE_LIST_1.append(CACHE) else: CACHE_LIST_2.append(CACHE) for i in range(len(CACHE_LIST_1)): if CACHE_LIST_1[0] == CACHE_LIST_1[i] or range(len(CACHE_LIST_1)) == 1: switch = 1 print ('1') else: switch = 0 print ('0') break if switch == 1: self.GLOBALl += CACHE_LIST_1 + self.GLOBALc self.GLOBALi = 0 self.GLOBALc = [] else: self.GLOBALi += 1 self.GLOBALc += CACHE_LIST_2 mysrt.sorter(CACHE) return (self.GLOBALl) #GLOBALi =0 # if range(len(self.GLOBALc)) =! range(len(self.ARRAY)) array = ['ape', 'cow','dog','bat'] ORDER_FILE = [] mysort = mysrt() print (mysort.sorter(array))

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  • Visual Studio Debugging Issue

    - by Aaron M
    Seeing an issue when debugging in Visual Studio. All of the values under watch, and in the hover over window show up incorrectly. the only values that show properly, are values that are local to the method I am currently stepping through. For example the watch value for 'this' when debugging shows the following under value 0x00000000ffac0388 { btnBack=0x00000000ffaccf20 btnReply=0x00000000ffacd200 btnForward=0x00000000ffacd420...} some other variables show this, even though the variable is there. error: 'this.foo' does not exist The machine recently had windows 7 64 installed, since then this problem has occured. Visual studio has been reinstalled on this machine, and we verified that the settings in visual studio were exactly the same as a different PC that is the same machine and config.

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  • Visual Studio Performance when editing XAML/Silverlight files

    - by driAn
    When I work on Silverlight projects within Visual Studio 2008, I regularly notice that the XAML editor hangs for up to 10 seconds. This because Visual Studio consumes 100% CPU during that timeframe. Any ideas how I could fix that? I assume this is some kind of background compiling for itellisense or something similiar. It happens during editing, multiple times an hour, without me doing any special actions. System: Server 2008 Std Visual Studio 2008 SP1 latest updates... I wonder if anyone else experienced this issue. Any help would be appreciated.

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  • Combine DVCS with Visual Source Safe

    - by WBlasko
    I'm forced to use Visual Source Safe 2005 at work. I'd like to combine that with a DVCS, so that I can check in files locally without disrupting my co-workers if there's a bug or it doesn't compile. In my attempts with Mercurial, it works, but causes a few weird issues. Namely, it thinks someone else has checked out the files I have checked out. Here's my thoughts on how I should manage it: Disable auto-checkout. Work locally in Mercurial When I'm ready to push my changes... Clone my Mercurial repository. Update my Visual Source Safe repository Pull and merge the two repositories using Mercurial. Check everything into Visual Source Safe. Does this sound reasonable? I'm always hearing bad things about VSS, is this just asking for me to see those problems firsthand?

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  • Visual Python - Visualize graphs relating to a movement

    - by Francisco P.
    Hello, everyone! I'm working with visual python on a project where I need to simulate a physical movement. I'd like to present, in a different window than the one the actual, 3D sim is running, two graphs, both related to the movement: How the velocity and angular velocity progress over time. How the movement and rotation progress over time. All these vars are refreshed once per cycle (inside a while(true)) How can I accomplish this? Thank you for your time!

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  • Able to ping but cannot browse after several hours running of my python program

    - by Shane
    It's a GUI program I wrote in python checking website/server status running on my XP SP3, multi threads are used to check different site/server. After several hours running, the program starts to get urlopen error timed out all the time, and this always happens right after a POST request from a server(not a certain one, might be A or B or C), and it's also not the first POST request causing the problem, normally after several hours running and it happens to make a POST request at an unknown moment, all you get from then on is urlopen error timed out. I'm still able to ping but cannot browse any site, once the program closed everything's fine. It's definitely the program causing this problem, well I just don't know how to debug/check what the problem is, also don't know if it's from OS side or my program wasting too many resources/connections(are you still able to ping when too many connections used?), would anybody please help me out?

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  • POSIX-compatible regex library for Visual Studio C

    - by user1397061
    I'm working on a C program which will be run in Linux and from inside Visual Studio 2010, and I'm looking for a regex library. GNU comes with a POSIX-compatible regex library, but Visual Studio, despite having C++ std::regex, doesn't have a C-compatible library. GNU has a Windows version of their library (http://gnuwin32.sourceforge.net/packages/regex.htm), but the DLLs are 32-bit only and the source code can't compile in Visual Studio (~500 errors!). My only requirement is that the end-user should not have to install anything extra, and should get the same behaviour on both platforms. I'm not picky about whether it's POSIX-style, Perl-style or something else. What should I do? Thanks in advance.

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  • Visual Studio Extensions

    - by John Maloney
    I have a project that generates text (representing an interface and a class) based on metadata. I would like to take this generated code and insert it as a new class and interface directly into the currently opened solution under a specific project and directory. I will create the menu tool that will generate the class but what I don't know how to do is gain access to the following items from within my custom Visual Studio Extension: Iterate the current solution and find a project to dump the generated code into. Open a new file window within Visual Studio and inject the generated text that comes from my tool directly into that window. Create a new folder in a specific project within the current solution from within my custom extension. EDIT - To clarify I need to open a new file (e.g. Right Click on a Project - Add - New Class) and insert text into it from within my custom Visual Studio Extension. Thanks

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  • Running Visual Studio 2008 and 2010 at the same time

    - by aip.cd.aish
    A group of us are working on a project which we built with .NET 3.5 in Visual Studio 2008. I want to test out Visual Studio 2010 and .NET 4 (well, mainly for WPF 4). I am just wondering if I install VS 2010, will I still be able to use VS 2008 to open the first project. I know when I open older projects made in VS 2003/2005, I get an upgrade wizard. I do not want to upgrade the first project to 2010, since that would probably mean every one else has to use it too. I have not done this before, is it possible to run both versions of Visual Studio, where each version opens its own projects (this may not even be an issue, but I just wanted someone to confirm this, so that I don't spend a lot of time trying to undo changes)?

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  • Visual ++ print from main with inheritance on visual form in listbox

    - by captencrunch
    I´ve made a "main" class lets call it A(Veichle), and i have two classes that inherits from A Lets call them B(Car) and C(MC). i also have a handler lets call it "D" that binds A,B and C. Then i have the Form1 class lets call that E(Visual) I want to print out the private members from A on the visual form "E" in a Listbox If i try ex) this-listbox1-items-add(X.veichles[i]-getBrand()); it complains that veichles is a private member in D. How can i get around that?

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  • Piping SoX in Python - subprocess alternative?

    - by Cochise Ruhulessin
    I use SoX in an application. The application uses it to apply various operations on audiofiles, such as trimming. This works fine: from subprocess import Popen, PIPE kwargs = {'stdin': PIPE, 'stdout': PIPE, 'stderr': PIPE} pipe = Popen(['sox','-t','mp3','-', 'test.mp3','trim','0','15'], **kwargs) output, errors = pipe.communicate(input=open('test.mp3','rb').read()) if errors: raise RuntimeError(errors) This will cause problems on large files hower, since read() loads the complete file to memory; which is slow and may cause the pipes' buffer to overflow. A workaround exists: from subprocess import Popen, PIPE import tempfile import uuid import shutil import os kwargs = {'stdin': PIPE, 'stdout': PIPE, 'stderr': PIPE} tmp = os.path.join(tempfile.gettempdir(), uuid.uuid1().hex + '.mp3') pipe = Popen(['sox','test.mp3', tmp,'trim','0','15'], **kwargs) output, errors = pipe.communicate() if errors: raise RuntimeError(errors) shutil.copy2(tmp, 'test.mp3') os.remove(tmp) So the question stands as follows: Are there any alternatives to this approach, aside from writing a Python extension to the Sox C API?

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