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• Perturb vector by some angle

  - by Myx

  Hello: I have a unit vector in 3D space whose direction I wish to perturb by some angle within the range 0 to theta, with the position of the vector remaining the same. What is a way I can accomplish this? Thanks.

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• How to prompt a streamed file for downloading in Java / Tomcat

  - by Clem

  Hello, I'm creating a java web application runing on a Tomcat server. One of the functions fill in a StringBuffer variable with data. At the end, I would like to propose the user to download the generated content packaged in a text file. This without having to store the file on the server. I've been searching for a code snippet but couldn't find anything corresponding ... I hope I've been clear enough on my problem. Thanks in advance,

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• Converting a string having a number into integers - C#.net

  - by NLV

  Hello I've a string result = "01234" I've want to get the separate integers 0,1,2,3,4 from the string. How to do that? Thank you Regards NLV

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• Trying to install mod_proxy in Apache-Httpd-2.2.15

  - by Dspace

  Hello, I have spent the afternoon trying to install the mod_proxy module into apache. I have tried ./configure --prefix=/opt/apache2 --enable-proxy --enable-proxy-http ./configure --prefix=/opt/apache2 --enable-module=proxy After it finishes installing, navigating to /opt/apache2/modules only shows one file: httpd.exp. It seems that the module is not being installed. Any help is appreciated. Thanks.

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• Delphi: Multiple tokens edit component

  - by Dorin

  Hello, I'm looking for an enchanced edit component that allow users to input multiple tokens (items) manually separated by some symbol, or to select them from another source. It's something like "TO" field in outlook or facebook that allow you to input multiple recipients. Can anyone suggest any solution? Thanks in advice!

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• Linux Scheduling Mechanism in 2.6.22?

  - by Mazen

  Hello, I'm doing some kind of performance evaluation using two different vanilla Linux kernels, 2.6.22 and 2.6.31, since I assume each of them uses a different scheduling mechanism: 2.6.22 uses the old O(1) scheduler, whilst 2.6.31 adopts the CFS. Could anybody confirm the correction of this assumption?

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• Best ORM for asp.net MVC application

  - by Xulfee

  Hello ALL I am little bit confuse regarding ORM. which one is best ORM for MVC application?

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• Ruby BigDecimal sanity check (floating point newb)

  - by Andy

  Hello, Hoping to get some feedback from someone more experienced here. I haven't dealt with the dreaded floating-point calculation before... Is my understanding correct that with Ruby BigDecimal types (even with varying precision and scale lengths) should calculate accurately or should I anticipate floating point shenanigans? All my values within a Rails application are BigDecimal type and I'm seeing some errors (they do have different decimal lengths), hoping it's just my methods and not my object types... Thanks!

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• Programming With Markov Algorithms.

  - by Bubba88

  Hello! I Wonder if someone has used Markov Algorithm-based programming system or embedded facility in production or for scientific purpose. I know about 'REFAL' programming language invented a thousand years ago, but it all seems to be dead, so.. Ref: http://en.wikipedia.org/wiki/Markov_algorithm

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• Variable disappears when I log in

  - by John

  Hello, I have profile page where the profile is retrieved via GET. The index file has this: $profile = $_GET['profile']; When I log in on the profile page, the $profile variable disappears. Here is the form action on the login function: <form name="login-form" id="login-form" method="post" action="./index.php"> (The $profile variable is separate of the login username.) How could I make the page retain the $profile variable? Thanks in advance, John

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• Help with data retrieval MACRO

  - by Andrei Ciobanu

  Hello, given the following structure: struct nmslist_elem_s { nmptr data; struct nmslist_elem_s *next; }; typedef struct nmslist_elem_s nmslist_elem; Where: typedef void* nmptr; Is it possible to write a MACRO that retrieves the data from the element and cast it to the right type: MACRO(type, element) that expands to *((type*)element->data). For example for int, i would need something like this: *((int*)(element->data)) .

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• ASP.NET MVC & Web Services

  - by ANaimi

  Hello, Does adding a Web Service to my ASP.NET MVC project break the whole concept of MVC? That Web Service (WCF) depends on the Model layer from my MVC project to communicate with the back-end (so it looks to me like it needs to be part of the MVC solution). Should I add this to the Controller or Model layer?

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• Cast string with coma to float with dot

  - by hsz

  Hello ! When I try to cast $value = floatval('14,5833'); to a float type I expect a value with dot like 14.5833 but it returns me 14,5833. How should I do this ? I wouldn't like to use any string replace functions.

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• How Do I Execute A DLL File....

  - by vs4vijay

  Hello there... its me vijay.. i have a dll file...and i wanna see whats written on its code....and how can i execute this on windows... i got that DLL from a Challenge site...and it say execute this... so i m sure that the DLL must be executable independenty.....

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• rails different currency formats

  - by SMiX

  Hello everybody. I need to show user amount presented in different currencies. e.q. : Your balance: $ 100 000.00 € 70 000.00 3 000 000,00 ???. So I need to use number_to_currency three times with different locales(en, eu, ru). What is the right way to do it?

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• Code Sign error after renewing my certificate

  - by thierryb

  Hello, my certificate has just expired. I renewed it on Team section, then renew provisioning profile, and reinstall them on my keychain and xcode, and then I get this error : Code Sign error: The identity 'iPhone Developer' doesn't match any valid certificate/private key pair in the login keychain What should I do ? Thanks a lot Thierry

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• Fastest method implementing number sqare root in string (1000000 digits)

  - by Svisstack

  Hello, What is fastest algorithm implementing a square root of decimal contained in strings. This decimal can have 1000000 digits. Anyone can tell me something about it?

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• Get data on the basis of conditions in entity framework 3.5 with include

  - by Ashwani K

  Hello All: I am using entity framework 3.5 for my application. I want load data based on some condition e.g. var data = from e in context.Employee.Include("Employee.Projects") where e.IsActive select e; Using this, I will get all the Employees which are active with their project details. But I want to load only those projects which are active. So, how to load only active projects using the query? Thanks Ashwani

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• What is LDAP and when consider to use it in web applications?

  - by Kirzilla

  Hello, What is LDAP and why people use LDAP instead of rel. DB? I've read some about LDAP on Wikipedia, but I'm still confused what is it. Thank you

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• Mail attachement on iPhone

  - by Infinity

  Hello guys! Is there a way to get the attachements from the Mail app on the iPhone? I've seen some apps which can do it. But how? Can you point me on the right way? I was trying with the MessageUI, but I don't think it is the right way.

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• view update problem on transition

  - by Ruthy

  Hello, when flip from one view to a new one, I get refreshing problem. New view contains a navigationItem with two buttons, one right, one left and when transition starts, I see buttons on opposite sides and not correctly positioned until the transition ends. Then view is showed correctly according to xib file. How to solve it??

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• What language to use for developing a tiled map editor?

  - by Tamir

  Hello. I'm working on a 2D tiles-based games mixing 3D models, which I achieved using OpenGL and C++. I would like to know what language should I use for creating a map editor, it needs to be easy-to-use and with a form designer or something alike, and with an easily embedded rendering engine.

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• Apple works on weekends?

  - by John

  Hello guys, I wonder if anyone knows if Apple is working on weekends? For example, to approve applications or to get it to review. Thank You! John.

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• how we could create translate validate error messages on zend framework?

  - by user1400

  hello how we could create translate validate error messages on zend framework? someone have could give a example ? thanks

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• Custom UISlider Image not responding?

  - by Silent

  Hello all i have a custom image to replace the UISLider defult button image, all works fine image shows, it does not clip off. The problem is when i use the slider to move up and down the image dissapears and some how doesnt show up anymore only sometimes. could someone have a fix?

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