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• Typed metaprogramming languages

  - by Jacques Carette

  I want to do some metaprogramming in a statically typed language, where both my programs and my meta-programs will be typed. I mean this in a strong sense: if my program generator compiles, I want the type system to be strong enough that only type-correct programs can be generated. As far as I know, only metaocaml can do this. (No, neither Template Haskell nor C++ templates fit the bill -- see this paper).

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• How to quickly learn Python and Ruby frameworks coming from a PHP background.

  - by mdm414

  I've been using CakaPHP and Kohanaphp but now I want to try out other frameworks from a more sophisticated OOP language for my next projects. How can I learn the following frameworks quickly so I can immediately pick what to use: Pylons Sinatra Ramaze Tutorials and examples from online resources would really be great. For php developers who've already underwent this learning experience, please share yours. Thanks

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• Really minimum lisp

  - by Mgccl

  What is the minimum set of primitives required such that a language is Turing complete and a lisp variant? Seems like car, cdr and some flow control and something for REPL is enough. It be nice if there is such list. Assume there are only 3 types of data, integers, symbols and lists.(like in picolisp)

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• How to simulate multimedia key press (in C)?

  - by tomp

  Modern keyboards have special multimedia keys, e.g. 'Pause/Play' or 'Open Web Browser'. Is it possible to write a program that "presses" these keys? I would prefer solution in C, but I would accept a language agnostic solution, too.

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• Why do we have so many programming-languages?

  - by ntsbjctve

  Most people would probably answer with "You won't build a house using only a hammer", but my argument against this is: There is also only one real mathematical language used for everything from chemical to architectural calculations, and as programming-languages are in many ways similar to maths, why should it be so different with them?

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• Save All Values of Database to Text File?

  - by cam

  I was wondering if there was a way to extract all the values of a column, and then save each value into separate text files (labeled ANYTHING, 1-100 works fine). I know how to do this through another language, but I'm using SQL Server 2008 with Microsoft SQL Server Manager and it would save me some time from figuring out how to do it through C#.

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• Ruby: Alter class static method in a code block

  - by Phuong Nguy?n

  Given the Thread class with it current method. Now inside a test, I want to do this: def test_alter_current_thread Thread.current = a_stubbed_method # do something that involve the work of Thread.current Thread.current = default_thread_current end Basically, I want to alter the method of a class inside a test method and recover it after that. I know it sound complex for another language, like Java & C# (in Java, only powerful mock framework can do it). But it's ruby and I hope such nasty stuff would be available

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• What is the one programming skill you have always wanted to master but haven't had time?

  - by KevDog

  For me, I've always wanted to finish the O'Reilly "Mastering Regular Expressions" book. When I need a Regexp, I manage to get the one I need eventually, but it takes more effort than it should. Learning a specific technology or language always seems to bubble up ahead of this.

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• Webcam capture with c# and convert to avi

  - by Spidfire

  Im trying to make a program that captures a video from the webcam and sound from the microphone but im getting stuck at the part where ive try to make a movie out of still images ive heard you need to use directshow but it doesnt jet work for me Does someone know a good piece of example code that captures video and sound and can encode it to a file (divx or something like that) ? or some suggestions where to look so i can build it myself (if a other programming language is better for this im happy to know it early. )

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• Library to analyse sound

  - by Ockonal

  Hello, I need in analyzing system output sound runtime. OS: Linux. The first thing I need is get different frequency values. Programming language: c++.

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• Creating an http proxy

  - by Pablo Fernandez

  This might be a beginner question but I did some googling and couldn't find an answer so bear with me. I was wondering if there was a resource, tutorial, wiki, etc that explained how to create an http proxy. It would be good to see it in ruby but any language will do if that's not possible. Thanks a lot

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• iPhone SDK in C++?

  - by seed

  This might be a really silly question, but is the iPhone SDK available in C++? Since I heard C++ is an officially supported language, is their any SDK avaliable for it?

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• Help me to Create a Color ProgressBar in delphi?

  - by NiliDelphi

  hi friends. i want to create a color progress bar in delphi language within use by XPMan component (it is : with win xp style). what do i do? what code using?

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• How to get current route information in OnActionExecuting

  - by Blankman

  my urls look like: www.example.com/{languagecode}/{controller}/{action}/{id} where language code is en-us, etc. From the OnActionExecuting event, how can I get these values?

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• Are there machine (and human) readable specification languages for algorithm collections and meta-li

  - by Jabavu Adams

  Is there high-level language out there for describing algorithms, that's geared towards specification, rather than implementation? The idea would be to have a machine-readable archive of standard algorithms, with machine-readable annotations on trade-offs, and variants. I'm thinking of something like CycL / OpenCyC, but for algorithms and programming patterns.

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• How to export GridView data to pdf file in Asp.net and C#?

  - by HotTester

  Currently I am facing the tedious problem of exporting complete GridView data to the pdf file so that the user can save it. I am using C# as the language in Asp.net. Kindly guide me. The gridview contains only text values. Thanks in advance.

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• Interesting task using random numbers only

  - by psihodelia

  Given any number of the random real numbers from the interval [0,1] is there exist any method to construct a floating point number with zero decimal part? Your algorithm can use only random() function calls and no variables or constants. No constants and variables are allowed, no type casting is allowed. You can use for/while, if/else or any other programming language operands.

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• Unicode string turns garbage at serverside.

  - by this. __curious_geek

  I have a situation. I have a label in ASP.NET 2.0(C#). The label should display a dutch language text that is "Sähköpostiosoite", I tried setting the Label.Text both from markup and code-behind but what I see in the browser response is "Sähköpostiosoite". Originally assigned string "Sähköpostiosoite" get replaced with "Sähköpostiosoite". I have no idea why this happens can you please help me diagnose the problem ??

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• What do you think of WinDev?

  - by vIceBerg

  I have a job opportunity. They use WinDev. I did some research about it and, although it seams pretty prometting, the website claims that it's used by only 100,000 developpers. Have you worked with this language? What's your thoughts?

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• What's the best online source to learn Perl?

  - by Sreenath

  I am new to any scripting language. But, still I worked on scripting a bit like tailoring other scripts to work for my purpose. For me, what is the best online resource to learn Perl?

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• How do I prevent SQL injection with ColdFusion

  - by Daniel A. White

  How do I prevent SQL injection when it comes to ColdFusion? I'm quite new to the language/framework. Here is my example query. <cfquery name="rsRecord" datasource="DataSource"> SELECT * FROM Table WHERE id = #url.id# </cfquery> I see passing in url.id as a risk.

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• Image in Image Algorithm

  - by Paul

  I need an algorithm written in any language to find an image inside of an image, including at different scales. Does anyone know a starting point to solving a problem like this? For example: I have an image of 800x600 and in that image is a yellow ball measuring 180 pixels in circumference. I need to be able to find this image with a search pattern of a yellow ball having a circumference of 15 pixels. Thanks

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• How do I put static data into an SQLite database in Android?

  - by sirconnorstack

  If I have a bunch of data that is never going to change (eg. an English language dictionary or the rgb values of a couple hundred color names), how do I use an SQLite database to store it? I know a database is faster than loading everything into memory when the app starts, but how do I make the database either the first time the app runs or "before" the apps ever runs?

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• C++ in embedded software programming

  - by deddihp

  Hello, Is there significant problem, if I write the code for embedded linux system using C++ language programming ?. Actually, I have intention to port some code to arm linux, with arm-uclibc compiler. Thanks

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• What are the pros and cons of using .Net to develop Facebook Apps?

  - by Simon

  Choice of programming language is an early decision which it is expensive to get wrong. Does anyone have any practical experience of developing for Facebook using .Net and MS vs LAMP? What are the pros and cons?

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