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• Streaming audio (YouTube)

  - by wvd

  Hello all, I'm writing a CLI for a music-media-platform. One of the features is going to be that you can directly play YouTube videos from the CLI. I don't really have an idea to do it but this one sounded the most reasonable: I'm going to use of those sites where you can download music from YouTube, e.g. http://keepvid.com/ - then I directly stream & play this -- but I have one problem. Is there any Python library capable of doing this and if so, do you have any concrete examples? I've been looking but found nothing, even not with gstreamer. Thanks, William van Doorn

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• How to identify Draft from Inbox and Sent mails In ALL MAIl mailbox

  - by subbi

  Hello, I am working on a mail client Application for downloading gmail emails, which uses IMAP C-client library. I want to download emails from "ALLMAIL" mailbox folder. as you know ALLMAIL folder consists of Inbox,Sent Mail and Draft Mails. Here my requirement is to distinguish Draft from Inbox and Sent mails. Usually if we download envelop of emails, that should give email's Draft info. But Gmail is failing to set this draft info. So can you please suggest how to identify draft? Thanks In advance Subbi

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• Accessing a parent scope from a child directive

  - by zok

  The following code does not work. Apparently I cannot access someFunction() from child-dir. Is it a matter of accessing a parent scope from a child directive? How to do it, when the child directive comes from an external library? Angular/HTML: <parent-dir ng-controller="parentCtrl"> <child-dir ng-click="someFunction()"> </child-dir> </parent-dir> JS: .controller('parentCtrl', function($scope) { $scope.someFunction() { console.log('hello'); } }

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• UTF-8 conversion

  - by leachianus

  Hey guys, I am grabbing a JSON array and storing it in a NSArray, however it includes JSON encoded UTF-8 strings, for example pass\u00e9 represents passé. I need a way of converting all of these different types of strings into the actual character. I have an entire NSArray to convert. Or I can convert it when it is being displayed, which ever is easiest. I found this chart http://tntluoma.com/sidebars/codes/ is there a convenience method for this or a library I can download? thanks, BTW, there is no way I can find to change the server so I can only fix it on my end...

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• How should platform specific lib files be named?

  - by Scott Langham

  Hello, I'm working on a C++ project that produces a lib that other teams use. It's being produced in a few different flavours: Win32 Debug Win32 Debug Static Win32 Release Win32 Release Static x64 Debug x64 Debug Static x64 Release x64 Release Static I'm wondering what the best wisdom is on how to name the dlls and what arguments are for different naming conventions. Do I output the libs into different directories, or do I append some letters on the end of the lib to differentiate them, or something else? One concern is that if I use directories, but don't give all the libs different names, users of the library will have problems where they accidentally use the wrong lib. Are these concerns valid? Thanks very much.

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• Is extending a singleton class wrong?

  - by Anwar Shaikh

  I am creating a logger for an application. I am using a third party logger library. In which logger is implemented as singleton. I extended that logger class because I want to add some more static functions. In these static functions I internally use the instance (which is single) of Logger(which i inherited). I neither creates instance of MyLogger nor re-implemented the getInstance() method of super class. But I am still getting warnings like destructor of MyLogger can not be created as parent class (Loggger) destructor is not accessible. I want to know, I am I doing something wrong? Inheriting the singleton is wrong or should be avoided??

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• Multi-Core Programming. Boost's MPI, OpenMP, TBB, or something else?

  - by unknownthreat

  Hello, I am totally a novice in Multi-Core Programming, but I do know how to program C++. Now, I am looking around for Multi-Core Programming library. I just want to give it a try, just for fun, and right now, I found 3 APIs, but I am not sure which one should I stick with. Right now, I see Boost's MPI, OpenMP and TBB. For anyone who have experienced with any of these 3 API (or any other API), could you please tell me the difference between these? Are there any factor to consider, like AMD or Intel architecture?

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• How to write to an XML file inside a jar file?

  - by cancelledout

  Hi Java programmers. I badly need your help. I have a JavaFX/Java ME application. I'm trying to modify an XML file inside my project's folder (soon to be packaged jar file). The path of the file I want to write: /parseExample/service1.xml Sadly, my application is a JavaFx/JavaME so it doesn't contain the library java.util.jar. So I can't use the jar classes. Are there other ways to do that?

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• C# method generic params parameter bug?

  - by Mike M

  Hey, I appears to me as though there is a bug/inconsistency in the C# compiler. This works fine (first method gets called): public void SomeMethod(string message, object data); public void SomeMethod(string message, params object[] data); // .... SomeMethod("woohoo", item); Yet this causes "The call is ambiguous between the following methods" error: public void SomeMethod(string message, T data); public void SomeMethod(string message, params T[] data); // .... SomeMethod("woohoo", (T)item); I could just use the dump the first method entirely, but since this is a very performance sensitive library and the first method will be used about 75% of the time, I would rather not always wrap things in an array and instantiate an iterator to go over a foreach if there is only one item. Splitting into different named methods would be messy at best IMO. Thoughts?

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• alternative to strdup

  - by Alexander

  I am using strdup here to copy the value of the parameter name into nm in the constructor... is there an alternative of achieving the same result without using strdup and without using the C++ STL library and using the keyword new instead? Book::Book(const char *name, int thickness, int weight):nm(NULL), thck(thickness), wght(weight){ if(name) nm = strdup(name); } class Book { private: char* nm; .......... ............ .......... ........... };

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• Working with OAuth on Google with Python

  - by Dan Loewenherz

  I'm having a very frustrating time creating a valid signature for Google's OAuth implementation. I have narrowed it all down to the fact that my signature-generation code has an error of some sort; what it is I have no idea. This is the signature base string in its entirety: GET&https%3A%2F%2Fwww.google.com%2Faccounts%2FOAuthGetAccessToken&oauth_consumer_key%3Ddlosplayground.appspot.com%26oauth_nonce%3D72815d55697cb24301fab03e1f7f1d66%26oauth_signature_method%3DHMAC-SHA1%26oauth_timestamp%3D1274327867%26oauth_token%3D4%252FX2cZ54JuseQbgRwzTBzZ7lqIwqof%26oauth_verifier%3Dihf0F2Fx%252FpnCmwbVQnk2xMre%26oauth_version%3D1.0 The OAuth Playground returns an oauth_signature of gF8qAfWjpdKjKb4KR%2FvA2Gy0vhU%3D. My code gives me ikMpIKJQJ58jseg%2BKPBTecjmYPE%3D, so obviously I'm doing something wrong. Here's my signature generation code (equivalent to that of the standard oauth.py library): binascii.b2a_base64(hmac.new(CONSUMER_SECRET, BASE_STRING, hashlib.sha1).digest())[:-1] Any thoughts?

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• How can I manipulate the strip text of facet plots in ggplot2?

  - by briandk

  I'm wondering how I can manipulate the size of strip text in facetted plots. My question is similar to a question on plot titles, but I'm specifically concerned with manipulating not the plot title but the text that appears in facet titles (strip_h). As an example, consider the mpg dataset. library(ggplot2) qplot(hwy, cty, data = mpg) + facet_grid( . ~ manufacturer) The resulting output produces some facet titles that don't fit in the strip. I'm thinking there must be a way to use grid to deal with the strip text. But I'm still a novice and wasn't sure from the grid appendix in Hadley's book how, precisely, to do it. Also, I was afraid if I did it wrong it would break my washing machine, since I believe all technology is connected through The Force :-( Many thanks in advance.

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• MPXJ in .NET converting java Date to .NET DateTime

  - by Jeff

  I'm using the MPXJ library in .NET for parsing MS Project (MPP) files, and it's working great. The one issue I'm having is trying to translate the task Start and Finish date into .NET DateTime to use with my data models. I am going through all the tasks and calling task.getFinish() and task.getStart() that both return javva.util.Date objects. When I use task.getFinish().getYear(), task.getFinish().getMonth(), etc. to build up a new DateTime object it warns me that they are obsolete. What is the best way to get the start and finish dates from MPXJ into a .NET DateTime object? Thanks.

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• How to analyse contents of binary serialization stream?

  - by Tao

  I'm using binary serialization (BinaryFormatter) as a temporary mechanism to store state information in a file for a relatively complex (game) object structure; the files are coming out much larger than I expect, and my data structure includes recursive references - so I'm wondering whether the BinaryFormatter is actually storing multiple copies of the same objects, or whether my basic "number of objects and values I should have" arithmentic is way off-base, or where else the excessive size is coming from. Searching on stack overflow I was able to find the specification for Microsoft's binary remoting format: http://msdn.microsoft.com/en-us/library/cc236844(PROT.10).aspx What I can't find is any existing viewer that enables you to "peek" into the contents of a binaryformatter output file - get object counts and total bytes for different object types in the file, etc; I feel like this must be my "google-fu" failing me (what little I have) - can anyone help? This must have been done before, right??

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• Will there be IQueryable-like additions to IObservable? (.NET Rx)

  - by Jason

  The new IObservable/IObserver frameworks in the System.Reactive library coming in .NET 4.0 are very exciting (see this and this link). It may be too early to speculate, but will there also be a (for lack of a better term) IQueryable-like framework built for these new interfaces as well? One particular use case would be to assist in pre-processing events at the source, rather than in the chain of the receiving calls. For example, if you have a very 'chatty' event interface, using the Subscribe().Where(...) will receive all events through the pipeline and the client does the filtering. What I am wondering is if there will be something akin to IQueryableObservable, whereby these LINQ methods will be 'compiled' into some 'smart' Subscribe implementation in a source. I can imagine certain network server architectures that could use such a framework. Or how about an add-on to SQL Server (or any RDBMS for that matter) that would allow .NET code to receive new data notifications (triggers in code) and would need those notifications filtered server-side.

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• Using Gradle with an existing Android project

  - by Tom Reznik

  I have an existing Android project with the following structure: - ProjectName -- AndroidManifest.xml -- local.properties -- project.properties -- assets -- libs (containing all jars) -- modules (containing all library projects my project depends on) -- res -- src ---- com/namespace/projectname (all my classes including main activity are here) I haven't been using any specific build system to build my project other than the one provided by default with the Android Studio IDE (though the project was originally created with IntelliJ CE. I would like to use Gradle with the android plugin and do some work on my build process. I have tried several configurations in order to achieve this and have failed to complete a successful build every time. What's the recommended approach in this scenario? should I change my project structure? or is it possible to configure gradle using the existing structure? Any help would be greatly appreciated. Thanks!

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• WatiN Testing and Connection Strings Fiasco

  - by azamsharp

  I have a separate project which performs watiN tests. The project is in the form of class library project. When I run test it launches the browser and then uses the Web.config of the Web Application Project which I am testing. The Web.config of web application project has the Dev connection string which should not be used for testing. What are different ways that I can take and tell my WatiN to use the App.config that is inside the WatiN project and not the Web application project? Here are couple of options that I have: 1) Replace the connection string at runtime. 2) Replace the connection string at pre-build event or something.

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• ZendX jQuery Autocomplete not working in framework

  - by Jan-Dean Fajardo

  I added the ZendX library. Added the helper in controller: public function init() { $this->view->addHelperPath( 'ZendX/JQuery/View/Helper' ,'ZendX_JQuery_View_Helper'); } Created a form for view page: public function indexAction() { // Filter form $this->view->autocompleteElement = new ZendX_JQuery_Form_Element_AutoComplete('txtLocation'); $this->view->autocompleteElement->setAttrib('placeholder', 'Search Location'); $this->view->autocompleteElement->setJQueryParam('data', array('Manila', 'Pasay', 'Mandaluyong', 'Pasig', 'Marikina','Makati')); } Load jQuery and form in view page. <?php echo $this->jQuery(); ?> <form> <?php echo $this->autocompleteElement; ?> </form> The form is visible in the view page. But the autocomplete isn't working. I even don't see any jQuery script in the source page. Have I missed something?

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• Is it possible to use re2 from Python?

  - by flow

  i just discovered http://code.google.com/p/re2, a promising library that uses a long-neglected way (Thompson NFA) to implement a regular expression engine that can be orders of magnitudes faster than the available engines of awk, Perl, or Python. so i downloaded the code and did the usual sudo make install thing. however, that action had seemingly done little more than adding /usr/local/include/re2/re2.h to my system. there seemed to be some `*.a file in addition, but then what is it with this *.a extension? i would like to use re2 from Python (preferrably Python 3.1) and was excited to see files like make_unicode_groups.py in the distro (maybe just used during the build process?). those however were not deployed on my machine. how can i use re2 from Python?

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• ASP.NET AJAX or jQuery (UpdatePanel/ScriptManager or UFrame/jQuery.ajax)

  - by Mark Redman

  Hi, We use the asp.net UpdatePanel and the ScriptManager/ScriptManagerProxy for ajax related functionality; reducing full page refreshes and calling WCF Services respectively. we also use jQuery and plugins for some parts of the UI. We have had some issues with javascript library related conflicts, but have come across some posts indicating that there is a lot more overhead using the UpdatePanel. I have found some limited reference to UFrame: http://www.codeproject.com/KB/aspnet/uframe.aspx www.codeplex.com/uframe Is this a commercially viable replacement for the asp.net UpdatePanel? We use a ScriptManagerProxy to reference WCF services and easily create and use a proxy to call the various WCF service methods. Would using jQuery ajax be a more efficient solution here? We have got this working well on various browsers but now seem to be getting some security related issues (as seen in FF Firebug: Access to restricted URI denied" code: "1012) which seem to have started since using jQuery a lot more. Is it possible/viable to not use ASP.NET Ajax at all?

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• How to get logical parts of a sentence with java?

  - by roddik

  Hello. Let's say there is a sentence: On March 1, he was born. Changing it to He was born on March 1. doesn't break the sense of the sentence and it is still valid. Shuffling words in any other way would produce weird to invalid sentences. So basically, I'm talking about parts of the sentence, which make the information more specific, but removing them doesn't break the whole sentence. Is there any NLP library in which identifying such parts is available?

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• Boost::Container::Vector with Enum Template Argument - Not Legal Base Class

  - by CuppM

  Hi, I'm using Visual Studio 2008 with the Boost v1.42.0 library. If I use an enum as the template argument, I get a compile error when adding a value using push_back(). The compiler error is: 'T': is not a legal base class and the location of the error is move.hpp line 79. #include <boost/interprocess/containers/vector.hpp> class Test { public: enum Types { Unknown = 0, First = 1, Second = 2, Third = 3 }; typedef boost::container::vector<Types> TypesVector; }; int main() { Test::TypesVector o; o.push_back(Test::First); return 0; } If I use a std::vector instead it works. And if I resize the Boost version first and then set the values using the [] operator it also works. Is there some way to make this work using push_back()?

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• How to create an application which embeds and runs Python code without local Python installation?

  - by Robert

  Hello fellow software developers. I want to distribute a program which is scriptable by embedding the Python interpreter. What I don't want is that the user has to install Python first. So I'm looking for a solution where I distribute only the following components: my program executable and its libraries the Python library (dll/so) a ZIP-file containing all necessary Python modules and libraries. How can I accomplish this? Do you have a step-by-step recipe for me? The solution should be suitable for both Windows and Linux. Thanks in advance.

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• Using numeric values to select item from a dropdown box with JavaScript

  - by Shyam

  Hi, I have a multitude of dropdown boxes within my webpage. One of these dropdown boxes is used for a single selected value out of a list of options. <SELECT id="Box0" name=""> <OPTION value="0">none</OPTION> <OPTION value="1">first</OPTION> <OPTION value="2">second</OPTION> </SELECT> How can I add an event to this section, so when it is in focus, I could use numeric keys like 1,2.. to select an option instead of using the mouse or arrow keys for selecting an option? For clarification: if I press "1" on my keyboard, the selected value would become "first", with "2" the selected value becomes "second". I choose not to use a library/framework such as JQuery/Mootools. Thanks,

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• How to initialize a static const map in c++?

  - by Meloun

  Hi, I need just dictionary or asociative array string = int. There is type map C++ for this case. But I need make one map in my class make for all instances(- static) and this map cannot be changed(- const); I have found this way with boost library std::map<int, char> example = boost::assign::map_list_of(1, 'a') (2, 'b') (3, 'c'); Is there other solution without this lib? I have tried something like this, but there are always some issues with map initialization. class myClass{ private: static map<int,int> create_map() { map<int,int> m; m[1] = 2; m[3] = 4; m[5] = 6; return m; } static map<int,int> myMap = create_map(); } thanks

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