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• What happens if I give more inputs in estimateRigidTransform or getAffineTransform?

  - by user3531608

  I am using estimateRigidTransform with about two vectors of 100 points and is working FINE. But somehow getAffineTransform doesn't work. I know that findHomography finds the best matrix using RANSAC and getPerspectiveTransform needs only 4 points. My question is what happens if I give more inputs in estimateRigidTransform or getAffineTransform? Does it take only 4 points from input matrix? Or do some kind of RANSAC?

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• what does this ADO OPEN Method do?

  - by every_answer_gets_a_point

  in plain english can you explain to me what happens here: rs.Open "batchinfo", oConn, adOpenKeyset, adLockOptimistic, adCmdTable what i need to do is to be able to insert values into a table called batchinfo. would this be the best way to do an OPEN? the only thing i would be doing is inserting values.

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• Is there an equivalent of Mac OS X "open" command that can be called from C++/Objective-C code?

  - by phjr

  On Mac OS X there is a very useful "open" command which launches an application suitable for opened file type. Is there some C++/Objective-C function on Mac which does the same? Note: I know I could launch an "open" process. I'm just not sure if it's the best option.

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• possible to remove inline styles with jquery?

  - by Haroldo

  a jquery plugin is applying an inline style (display:block), I'm feeling lazy and i want to override it with display:none, what's the best (lazy) way?

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• Does it make sense to load a view in a model in CodeIgniter?

  - by Shamoon

  I'm creating templates for outgoing emails and a view seems like the best place for the template. The model is doing the handling of the actual email. So I wanted to see if I'm breaking any convention.

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• [appengine] how to transfer a python object between two requests?

  - by python for ever

  i want to process a python dict object in batches between two requests. i was wondering what's the best way to do it. i want to do that because my dict is big and i couldn't do the whole processing in 30s. thanks

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• NUL symbol gets inserted anywhere in the XML

  - by Racs

  I am using Oracle 11g and when I query data from database manually, it looks ok. But when I view it using Notepad++, there is a special character that gets inserted anywhere in the xml produced. Please see image below: I tried everything and deleted some parts of the xml, updated the db and query again but the invalid character just differ in location. Any idea is much appreciated, thanks! Best regards, Racs

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• Most elegant way to apply an operator found as a string in java ?

  - by LB

  Potentially dumb: Assuming I have a string containing an operator what's the best way to apply this operator ? What i tend to do is : if(n.getString(1).equals("<<")) { result = tmp1 << tmp2; } for each kind of operator I have. Is there a better way ?

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• how to organize country data?

  - by fayer

  how do i organize country data (countries, states and cities etc) in mysql? cause every country has 3 tables: countries, states and cities. should i have each country in separate set of tables or should i have them all in these 3 tables? if i have all of them in same tables, im afraid that the amount of rows will be huge cause i tend to have a lot of countries! what is best practice for this?

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• Storing images above or below the web root?

  - by JGDev

  I'm working on a web app where users can upload images which are associated with their account. I'm trying to figure out the best way to store these images in the filesystem taking into account organization and security. I'm using a JavaScript-based file uploader which has to save the images within the web root, but I'm wondering if it would be better to move the images above the web root for better security? Any thoughts on the matter would be appreciated.

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• How is <tgmath.h> implemented?

  - by sync

  C doesn't have (to the best of my knowledge) overloading or templates, right? So how can a set of type-agnostic functions with the same name exist in plain ol' C? The usual compile-time trickery would involve a whole bunch of macros, wouldn't it?

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• What's this setting of MATLAB for(which is causing lots of troubles for lots of people)?

  - by Runner

  This setting in PATH: D:\MATLAB\R2007b\bin\win32 Here is a fresh bad affect by this setting for me: http://stackoverflow.com/questions/2712913/why-does-this-program-require-msvcr80-dll-and-whats-the-best-solution-for-this-k And here's an issue reported by another guy: http://groups.google.com/group/ggobi/browse_thread/thread/dacea0fa93dcaf75 What's that setting for and why it's causing so many problems?

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• How to add links that select the preferred language (CodeIgniter's Language Class)?

  - by janoChen

  I just finished this tutorial: http://codeigniter.com/wiki/Internationalization_and_the_Template_Parser_Class/ but now I want some links to change english to spanish I know how to change it by modifying the controller example.php: # Load language $this->lang->load('example', 'english'); But I can't figure out how to do that in the view file example.php What's the simplest and best way of doing this?

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• Hashing (hidding) strings in Python

  - by Lucas

  What I need is to hash a string. It doesn't really have to be secure because its just going to be a hidden pharse in the text file (simply it doesn't have to be recognizable for a human-eye). It should not be just a random string because when user will be typing the string I would like to hash it and compare it with already hashed one (in the text file). What would be the best for this purpose? Can it be done with the own class?

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• What decryption should i use between my Android app and ASP.NET Webservice?

  - by RickardP

  I am searching a good way to encrypt and decrypt user authentication data between my Android app and my ASP.NET Webservice built in C#. I want to do a user registration on my Android app and send the authentication to the back-end server that is a ASP.NET Webservice built in C# and then every time the app calls the webservice it should send a hashed string with authentication information so webservice now what user it is. What is the best practice for this and have i missed something, give me some ideas please!

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• Selecting favourites from DB rails 3

  - by Richlewis

  I have a small app which has Users, Recipes, Ingredients and preparation models A user has many recipes, recipes belong to user and ingredients/preparation belongs to recipes. Now a user can view all recipes but I would like the option to add the particular recipe to a favourites list. Would I need to set a new DB to hold this and then link by associations or could I add a column to the recipe model called fav for example? Im looking for the best practice here or if someone has done this before and can offer any advice that would be appreciated

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• Is this possible to make as a option dialog in Java?

  - by Raptrex

  I'm wondering how I could make this into a popup dialog. I designed this with Netbeans gui editor. I looked at option dialog, but all the examples only had a textfield or a combobox, not more than one thing like I have. So what would be the best way to make this in Java.

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• I need some advice from Experts on how to develop a PHP site with MySQL

  - by mouthpiec

  Hi, I need some advice from experts :) I will develop a website using PHP and I will use also MySQL. I bought some server space from a Virtual private server including all the service needed. How should I develop the site? Shall I develop it on my machine at home (using for example Wamp), and when ready transfer all the files to the server? If so what is the best method to transfer also the database? Thanks in advance!!

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• Maximum number of cookies allowed

  - by Nouveau

  As far as Google searches tell me, the maximum allowed number of cookies depends very much on the browser, however I cannot find any recent data as to how much cookies are allowed on modern browsers. I need to store a somewhat large number of user preferences in cookies (for not-yet-registered users), so what would be the best way of doing that? (Also, those cookies would be accessed both via javascript client-side and php server-side)

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• ASP.NET Page.Cache versus Page.Application storage for data synchronization?

  - by jdk

  Both Page.Cache and Page.Application can store an application's "global" data, shared among requests and threads. How should one storage area be chosen over the other considering scenarios of data synchronization in the multi-threaded ASP.NET environment? Looking for best practice and experienced recommendation.

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• Rails - single ID for multiple models

  - by user352351

  I'm building an app which will allow a user to scan the barcode on a 'shelf', 'box' or 'product' which will then bring up that particular item or all the associated items. As these are all separate models with their own ID's, I need a global ID table. I was thinking of a polymorphic table called 'barcodes' barcodes id barcode_number barcodable Is there an easy way to do this? Or is polymorphic the best way?

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• How do I create a GUI programme most easily in C?

  - by user198729

  I'm a windows XP user, with not much experience in c developing. What's the best way to create GUI application in C?

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• Function equivalent to sprintf() with maximum number of characters to be copied?

  - by Tommy

  function(char* name) { char sql[50]; sprintf(sql, "select %s;", name); } What's the best way to make sure only 50 chars of name are copied to sql in the case name is larger than what sql can hold? (sprintf with a N parameter?) Thank You.

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• How to connect my APP to SQL Server?

  - by salhzmzm

  Hi I have 1 PC (MS Server 2003 + MS SQL Server 2008) and 2 PCs (MS SP2 + my APP) how I can let my APP connects to sql server 2008 on other PC My APP will connect to server to store data in SQL Server 2008 and read/delete/edit (basic operations) what is the best way to do that? NOTE: my APP is written in C# (.NET Platform)

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• How to get ordered qty of product in front-end?

  - by alex

  I display a best-sell list in front-end,Now I also want to show the QTY that how many already sell for this product,How do I get the QTY ? And if the product is a "Configurable Product",How do I get the QTY ?

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