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• Sharing between new install and Windows 7 boxes not working, either direction. Printers & folders

  - by Steve

  I don't seem to be able to share between my Ubuntu (fresh install) and any of my Windows machines. I tried using this guide: How to Share Folders in Ubuntu & Access them from Windows 7. The problems is that I cannot see the Ubuntu machine in my network pane on the Windows machine. Any Ideas of what I should check? Ultimately what I am looking to do is make mobile media server that I can put in the Van, attach a WiFi router, and stream to an iPad, tablet, laptop, etc. Any advice on setting this up would be appreciated.

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• What is the minimum of shader I need to use to run basic calculation on GPU?

  - by Jinxi

  I read, that the Hull Shader, Domain Shader, Geometry Shader and Pixel Shader can be used optional. So, is the Vertex Shader optional too? If no: What does a basic Vertex Shader look like? Just like a simple pass through? Is the Vertex Shader necessary to tell what kind of datastructure (Van Stripes or Meshes) are used? What can I do, with just the vertex shader? Are the fixed functions working without any help of programming a programmable stage?

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• Moving Data From Excel to SQL Server - 10 Steps to Follow

  SQL Server Integration Services provide a versatile way of reading Excel files into SQL Server. A task like this illustrates the advantages of the graphical approach of SSIS. Andy Brown explains. Want to work faster with SQL Server?If you want to work faster try out the SQL Toolbelt. "The SQL Toolbelt provides tools that database developers as well as DBAs should not live without." William Van Orden. Download the SQL Toolbelt here.

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• Programming languages with extensible syntax

  - by Giorgio

  I have only a limited knowledge of Lisp (trying to learn a bit in my free time) but as far as I understand Lisp macros allow to introduce new language constructs and syntax by describing them in Lisp itself. This means that a new construct can be added as a library, without changing the Lisp compiler / interpreter. This approach is very different from that of other programming languages. E.g., if I wanted to extend Pascal with a new kind of loop or some particular idiom I would have to extend the syntax and semantics of the language and then implement that new feature in the compiler. Are there other programming languages outside the Lisp family (i.e. apart from Common Lisp, Scheme, Clojure (?), Racket (?), etc) that offer a similar possibility to extend the language within the language itself?

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• Is there a single book that covers the breadth of computer science fundamentals? [closed]

  - by superFoo

  When I did my undergraduate studies in elecrical engineering, there was this book called "Basic Electricity" by Van Valkenburgh. If you read that book cover to cover, your fundamentals in electrical engineering would be bulletproof. I would recommend it all my juniors and I absolutely loved it. Is there such a book in the field of computer science? I am not so concerned about the algorithms. I am looking more into something that tells me how does everything work beneath the covers. TCPIP, memory management, DNS, routing, SSL, buffer, queuing etc.

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• Separating Db from business with Inherited classes using multiple views

  - by catalinux

  I have a software that has a car model that will be used in different views (listing, ads, detail page, carousel, up sell widget,etc). class CarModel extends DbModel{ } I look for a "nice way" (a combination of flexible, easy to maintain,etc) to have this used in views. I'm thinking at two different ways Having object views for each context CarViewBase{ var car;// of type CarModel function constructor(args){ //will instantienta internal variable car based on args } function getThumb(){ } function getTitle(){ } } CarListingView extends CarViewBase{ function getListing(){ } } CarAdsView extends CarViewBase{ //the busines rule changes for ads widget function getThumb(){ } } Extending directly the CarModel The challenges comes when My Car Model might need an abstract factory. Let's say I have a field on my car object that states the type of the car : a truck, or a bike, or van. How would affect that my object view? Let's say that getTitle() rule would be different for each type of it. How would you do it?

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• Why doesn't Python require exactly four spaces per indentation level?

  - by knorv

  Whitespace is signification in Python in that code blocks are defined by their indentation. Furthermore, Guido van Rossum recommends using four spaces per indentation level (see PEP 8: Style Guide for Python Code). What was the reasoning behind not requiring exactly four spaces per indentation level as well? Are there any technical reasons? It seems like all the arguments that can be made for making whitespace define code blocks can also be used to argument for setting an exact whitespace length for one indentation level (say four spaces).

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• Capitalization of Person names in programming

  - by Albert

  Hey all, Is anyone aware of some code/rules on how to capitalize the names of people correctly? John Smith Johan van Rensburg Derrick von Gogh Ruby de La Fuente Peter Maclaurin Garry McDonald (these may not be correct, just some sample names and how the capitalization could be/work) This seems like a losing battle... If anyone has some code or rules on when and how to capitalize names, let me know :) Cheers, Albert

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• Need some help understanding cat in high dimensions of matlab

  - by Runner

  % a = magic(3); b = pascal(3); % c = cat(4,a,b) % produces a 3-by-3-by-1-by-2 result and Why the result is 3-3-1-2 when the dimension is 4?

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• How can I find if there are printers installed (using Delphi)

  - by Daisetsu

  My program is written in Delphi (object oriented pascal). When I try to print anything I get the message "There is no default printer currently selected." on computers with no printers installed. To prevent this I want to check if there are any printers installed. Is there any way to check if any printers are installed?

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• Is it possible to add "assert" as a keyword in Delphi?

  - by stanleyxu2005

  I write couple of "assert(...)" in code, to make sure that pre- and post-conditions should be satisfied. We can tell the Delphi compiler, whether to compile with assertions in a debug version and without assertions in a release version. I would like to know, if it is possible, to highlight "assert" like other Pascal keywords?

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• Does exist any utility to know the size of a compiled function in an executable?

  - by Gregory Smith

  I want a report showing me the size of diferent symbols(compiled) in the executable. Something like .map files in Delphi, but generic if possible. nm from binutils, shows start address(?), maybe could i use that information? (I'm using object pascal + freepascal compiler)

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• Concept of GUI's - Centralized or decentralized

  - by wvd

  Hello all, Since a few months I've been learning Erlang, and now it was time to do some basic GUI. After some quick research I saw there was an interesting library called 'wxi' (based on Fudgets of Haskell) which uses a different approach on GUI's. No central loop, every widget processes it's own events and handles it's own data. What do you guys think about this? It looks like it kind of can be efficient in languages such as Erlang, and it's an interesting approach. William van Doorn

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• Translate COM error codes in C#

  - by Paul Keister

  In C, Pascal, and C++ it is possible to use the FormatMessage function to retrieve a "friendly" error message that corresponds to a COM HRESULT error code. This question contains sample code that demonstrates the C++ approach. Of course it would be possible to build a managed C++ assembly to perform this function for C# and VB.NET code, but I'm wondering: is there a way to translate COM error codes using the .NET system libraries?

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• Need some help understanding the MATLAB `cat` command in high dimensions

  - by Runner

  The commands a = magic(3); b = pascal(3); c = cat(4,a,b); produce a 3-by-3-by-1-by-2 array. Why is the result 3-3-1-2 when the dimension is 4?

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• Visual studio ORM designer option

  - by stackoverflowuser

  linq to sql visual studio Object-Relational designer generates C# entity class names same as the table names (except pluralizing it). so if the table name is authors it generates entity class with name "author". If the table name is Customers it generates class with name "Customer". Is there any option that can be set to make the designer generate entity class names as pascal cased. I am using VS 2010 if that makes any difference. Thanks.

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• Where can I find resources on VectorScript programming language?

  - by villares

  Where one can learn more about VectorScript (the Pascal-like programming languaged built into NNA VectorWorks CAD application) to create custom "plug-in" objects and tools ?

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• What is the naming convention in Python for variable and function names?

  - by Ray Vega

  Coming from a C# background the naming convention for variables and method names are usually either CamelCase or Pascal Case: // C# example string thisIsMyVariable = "a" public void ThisIsMyMethod() In Python, I have seen the above but I have also seen underscores being used: # python example this_is_my_variable = 'a' def this_is_my_function(): Is there a more preferable, definitive coding style for Python?

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• New interesting languages

  - by wvd

  Hello all, I've been programming for 4 years now and I feel it's time for a new language. I've been doing Python, Java and some C++/Erlang/Haskell along those 4 years but I'm looking for a new language. I'm mainly looking for one which I could use later when I'm getting hired, but it also needs to be relatively new. Any ideas? Thanks, William van Doorn

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• Reading the text file line by line and push to an array in AS3

  - by vineth

  Hi, I need code is as3 to reading a text file line by line and insert in to an array using AS3. is it possible to do it with out having any special character. sample.txt Car van scooter bike I need to read the file and insert in to array like...Array[0]=car,Array[1]=car..... Thanks In advance

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• Grammar/own-written parser?

  - by wvd

  Hello all, I'm doing some small projects which involve having different syntaxis for something, however sometimes these syntaxis are so easy that using a parser generator might be overkill. Now, when should I use a own-made parser, and when should I use a parser generator? Thanks, William van Doorn

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• Is there a JVM aimed at debugging concurrent software?

  - by Roger Wernersson

  I've used Concurrent Pascal, a tool which helps debug concurrent algorithms because when it runs your code, it randomizes which thread to swap to at every possible step, trying out as many paths as possible. Is there a JVM that can do this?

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• What algorithm should I use for encrypting and embedding a password for an application?

  - by vfclists

  What algorithm should I use for encrypting and embedding a password for an application? It obviously is not bullet proof, but it should be good enough to thwart someone scanning the database with a hex editor, or make it hard for someone who has the skills to use a debugger to trace the code to work out, either by scanning for the encrypted password, or using a debugger to run through the decryption code. Object Pascal would be nice. /vfclists

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• Twitter4J - Looking up profile details without logging in

  - by wvd

  Hello all, I've been using Twitter4J for a quite a while now, but I can't seem to find this particular feature. I want to be able to search on a name, and when the certain user is on twitter, I want to retrieve basic information such as tweets, followers (like you can access via http) - but how to do is in Twitter4J? Neither the code examples or the source could help me. Thanks, William van Doorn

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• Is there an easy way to edit a text file during install?

  - by Eakraly

  I want to update some xml files installed with a value using destination directory value{app}. I do not see any "easy" way except for writing pascal function or running external script (like sed). Am I missing something? Looks like this should be trivial in any installation tool...

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