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  • Identifying voice as male or female

    - by duder
    I'm not much into audio engineering, so please be easy on me. I'm receiving an audio file as input, and need to detect whether the speaker is male or female. Any ideas how to go about doing this? I'm using php, but am open to using other languages, and don't mind learning a little bit of sound theory as long as the time is proportionate to the task.

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  • Why is it so hard to find a C++ 3d game tutorial

    - by Dave
    I'm planning on learning 3d game development for the iphone using a 3d engine, but because of lack of tutorials for the iphone I was planning on using C++ game tutorials and making the necessary changes. The problem is that I've had limited success when searching for things such as 'c++ 3d fps tutorial ' I dont really get anything useful. Are there any 3d c++ tutorials you can recommend?

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  • Using the MongoDB Ruby driver in Rails? (without an object mapper)

    - by Mark L
    I have recently been getting my feet wet in MongoDB using Mongoid w/ Rails 3, but I'm now interested in learning the low level MongoDB features using only the Ruby driver, and trying some map/reduce that would not be possible through Mongoid (afaik) I'm not entirely sure where in Rails I should be setting up the db connections etc, and any pointers would be much appreciated!

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  • R Package for Bayesian Belief Networks

    - by user187395
    Is anyone aware of an R package for Bayesian Belief Networks (BBN) that can handle latent (hidden) nodes? I am referring to process learning the structure and the parameters of the model. Based on the documentation, the "bnlearn" package does not provide for such capability. In addition, is anyone aware of R packages that allow for making inferences and sensitivity analysis for BBN? Thank you in advance.

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  • Advantages of Java over Ruby/JRuby

    - by Webbisshh
    I am learning Java. I have learned and used Ruby. The Ruby books always tell the advantages of Ruby over Java. But there must be some advantages, that's why lots of people (especially companies) use Java and not Ruby. Please tell the absolute(not philosophical!) advantages of Java over Ruby.

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  • Node.js A Good authentication module ? or whats the proper way to authenticate users?

    - by Mohamed Ahmed
    I'm learning Node.js and looking forward to create a simple web application which will be based on Express and I was thinking of something like creating user groups and each group has its own users and each group has its own permissions (Just like ACL in Cakephp) So can anyone recommend a good module or whatever to do so ? Also I'm a little curious about security and how these passwords are going to be saved and what type of encryption the passwords will be encrypted in. Thanks :)

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  • How to learn about iPhone jailbroken programming?

    - by tomorini
    I'm interested in learning about what additional features and APIs an app has access to when an iPhone is jailbroken. Can someone provide me with some basic resources to learn about this? I would be most interested in: documentation on the private APIs filesystem layout app configuration, e.g. how did WinterBoard replace SpringBoard? Apps that replace the lockscreen? tools needed Suggestions appreciated.

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  • Is it Bad Practice to use C++ only for the STL containers?

    - by gmatt
    First a little background ... In what follows, I use C,C++ and Java for coding (general) algorithms, not gui's and fancy program's with interfaces, but simple command line algorithms and libraries. I started out learning about programming in Java. I got pretty good with Java and I learned to use the Java containers a lot as they tend to reduce complexity of book keeping while guaranteeing great performance. I intermittently used C++, but I was definitely not as good with it as with Java and it felt cumbersome. I did not know C++ enough to work in it without having to look up every single function and so I quickly reverted back to sticking to Java as much as possible. I then made a sudden transition into cracking and hacking in assembly language, because I felt I was concentrated too much attention on a much too high level language and I needed more experience with how a CPU interacts with memory and whats really going on with the 1's and 0's. I have to admit this was one of the most educational and fun experiences I've had with computers to date. For obviously reasons, I could not use assembly language to code on a daily basis, it was mostly reserved for fun diversions. After learning more about the computer through this experience I then realized that C++ is so much closer to the "level of 1's and 0's" than Java was, but I still felt it to be incredibly obtuse, like a swiss army knife with far too many gizmos to do any one task with elegance. I decided to give plain vanilla C a try, and I quickly fell in love. It was a happy medium between simplicity and enough "micromanagent" to not abstract what is really going on. However, I did miss one thing about Java: the containers. In particular, a simple container (like the stl vector) that expands dynamically in size is incredibly useful, but quite a pain to have to implement in C every time. Hence my code currently looks like almost entirely C with containers from C++ thrown in, the only feature I use from C++. I'd like to know if its consider okay in practice to use just one feature of C++, and ignore the rest in favor of C type code?

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  • How many programming jobs are there that require German/French language ?

    - by HJ-INCPP
    Hello, I want to improve my chances getting a job (entry-level:programming) by learning another language. How many jobs that require exclusively French, German, English are there ? Which is better to learn (more/better jobs): French or German ? Is it worth it (or should I learn another programming language instead :D) ? Thank you. P.S I live in Romania, I (think I) know English

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  • django-admin.py startproject mysite not working well on windows 7

    - by john
    Hi I'm learning django and I did successfully start a site on Window XP by following the tutorial. However, on Window 7 when I issued: django-admin.py startproject mysite python.exe was started and a window appeared to ask me to choose either python.exe or other program to open a file.... did I do anthing wrong or there are more tricks for window 7? thanks.

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  • Where to go from PHP?

    - by dabito
    I'm a seasoned PHP programmer and I really like the way it works and find it very fun to work with (performance could be improved and some functions renamed, but nothing too serious). However, I took a java seminar and now Im very interested in using GWT for upcomming projects, although I think the learning curve can be steep. Should I really go through with this change (PHP JAVA)? Where to begin?

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  • Silverlight and Search Engines

    - by Ben
    Hi, I have recently started learning SilverLight (and Web developement in general) and have been advised by a friend that SilverLight isn't Search engine friendly (because Silverlight isn't HTML). Is there any way of getting around this and getting my site onto the Search engine lists (without paying)? (Any advise on getting my site on search engines lists would be greatly appreciated). Thanks

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  • Convert MSAccess Project Management Application to PHP/MySQL: Which Methodology?

    - by zzapper
    I've got to convert a not terribly complicated bespoke project management system from MsAccess Application to PHP/MySQL. I've been programming for donkey's years but embarrassingly know practically nothing about modern methodologies. So the old 'learning curve' versus 'improved efficiency' conundrum rears its ugly head once again. Although I've Googled up some stuff I don't want to prejudice your suggestions, where would you start, I'm at your mercy?

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  • C++, LHS state after exception is thrown

    - by aaa
    hi. I am learning C++ exceptions and I would like some clarification of the scenario: T function() throws(std::exception); ... T t = value; try { t = function(); } catch (...) {} if the exception is thrown, what is the state of variable t? unchanged or undefined?

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  • Infinite loop in haskell? (newbie)

    - by Mike
    I'm just learning Haskell. I thought this would produce a factorial function... (within ghci) Prelude let ft 0 = 1 Prelude let ft n = n * ft (n - 1) Prelude ft 5 (hangs indefinitely, until ^C). Can someone point me in the right direction? Thanks!

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  • How can I get the followers of a user on twitter, then get posts from those followers over a period

    - by Ronan
    I've been assigned a research project to enhance social networking based adaptive e-learning and to do so I need to be able to extract several (hundreds, maybe thousands) of status updates or tweets in order to perform factor analysis on key words. Apparently this can be done with javascript but I have never used javascript before so I'm a bit lost. I know I need a Twitter API but not sure even how to use one. Anybody have any idea how I can do this?

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  • What is the most efficient way to learn x86 assembly?

    - by Web Des
    I want to learn x86 assembly and I want to know if learning reverse engineering is a good way to learn it? Also I have some c++ knowledge of pointers, stack, heap , references, etc.. I was considering this book. http://www.amazon.com/Reversing-Secrets-Engineering-Eldad-Eilam/dp/0764574817/ref=sr_1_1?s=books&ie=UTF8&qid=1340420512&sr=1-1&keywords=reverse+engineering Also Is reverse engineering the same as what they call disassembly?

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