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• What is the difference between Combo box and drop down list in asp.net Ajax Control Toolkit

  - by kajal

  What is the difference between Combo box and drop down list in asp.net Ajax Control Toolkit

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• What is the difference between causal models and directed graphical models?

  - by Neil G

  What is the difference between causal models and directed graphical models? or: What is the difference between causal relationships and directed probabilistic relationships? or, even better: What would you put in the interface of a DirectedProbabilisticModel class, and what in a CausalModel class? Would one inherit from the other? Collaborative solution: interface DirectedModel { map<Node, double> InferredProbabilities(map<Node, double> observed_probabilities, set<Node> nodes_of_interest) } interface CausalModel: DirectedModel { bool NodesDependent(set<Node> nodes, map<Node, double> context) map<Node, double> InferredProbabilities(map<Node, double> observed_probabilities, map<Node, double> externally_forced_probabilities, set<Node> nodes_of_interest) }

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• What is the difference between a template class and a class template?

  - by coder

  What is the difference between a template class and a class template?

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• What is the difference between a RoutedCommand and a RoutedUICommand?

  - by Dabblernl

  I have tried to do some reading about it, but I failed to find documentation that explains the difference between RoutedCommand and RoutedUICommand satisfactorily.

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• define inline element , define block level element,and what is the difference?

  - by princy

  define inline element , define block level element,and what is the difference?

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• Ruby syntax error: unexpected $end, expecting keyword_end

  - by user2839246

  I am supposed to: Capitalize the first letter of string. Capitalize every word except articles (the, a, an), conjunctions (and), and prepositions (in). Capitalize i (as in "I am male."). Specify the first word of a string (I actually have no idea what this means. I'm trying to run the spec file to test other functions). Here's my code: class Book def initialize(string) title(string) end def title(string) arts_conjs_preps = %w{ a an the and but or nor for yet so although because since unless despite in to } array = string.downcase.split array.each do |word| if (word == array[0] || word == "i") then word = word.capitalize if arts_conjs_preps !include?(word) then word = word.capitalize end puts array.join(' ') end end puts Book.new("inferno") Ruby says I'm messing up at: puts Book.new("inferno") <--(right after the last line of code) I get exactly the same error message with this test code: def title(string) array = string.downcase.split array.each do |word| if word == array[0] then word = word.capitalize end array.join(' ') end puts title("dante's inferno") The only other Stack Overflow thread regarding this particular syntax error that did not suggest trailing or missing ends or .s as the root of the problem is here. The last comment recommends deleting and recreating the gemset, Which sounds scary. And I'm not sure how to do. Any thoughts? Simple solution? Resources to help? Solution class Book def initialize(string) title(string) end def title(string) arts_conjs_preps = %w{ a an the and but or nor for yet so although because since unless despite of in to } array = string.downcase.split title = array.map do |word| if (word == array[0] || word == "i") || !arts_conjs_preps.include?(word) word = word.capitalize else word end end puts title.join(' ') end end Book.new("dante's the inferno")

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• What is the difference between a port and a protocol?

  - by nana adu-twum

  What is the difference between a port and a protocol?

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• What is the difference between TrueType fonts and Type-1 fonts?

  - by Finch

  What is the difference between TrueType fonts and Type-1 fonts?

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• How to create C++ istringstream from a char array with null(0) characters?

  - by Morpheus

  I have a char array which contains null characters at random locations. I tried to create an iStringStream using this array (encodedData_arr) as below, I use this iStringStream to insert binary data(imagedata of Iplimage) to a MySQL database blob field(using MySQL Connector/C++'s setBlob(istream *is) ) it only stores the characters upto the first null character. Is there a way to create an iStringStream using a char array with null characters? unsigned char *encodedData_arr = new unsigned char[data_vector_uchar->size()]; // Assign the data of vector<unsigned char> to the encodedData_arr for (int i = 0; i < vec_size; ++i) { cout<< data_vector_uchar->at(i)<< " : "<< encodedData_arr[i]<<endl; } // Here the content of the encodedData_arr is same as the data_vector_uchar // So char array is initializing fine. istream *is = new istringstream((char*)encodedData_arr, istringstream::in || istringstream::binary); prepStmt_insertImage->setBlob(1, is); // Here only part of the data is stored in the database blob field (Upto the first null character)

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• Use string to store statement (or part of a statement), and then add it to the code

  - by Dean

  I use multidimensional arrays to store product attributes (well Virtuemart does, to be precise). When I tried to echo the sub-arrays value, if the sub-array did not exist PHP threw: Fatal error: Cannot use string offset as an array To get around this, I attempted to create a function to check on every array level if it is an actual array, and if it is empty (when trying on the whole thing at once such as: is_array($array['level1']['level2']['level3']), I got the same error if level1 or level2 are not actual arrays). This is the function ($array contains the array to check, $array_levels is an array containing the names of the sub-arrays, in the order they should apper): function check_md_array($array,$array_levels){ if(is_array($array)){ $dimension = null; //This will store the dimensions string foreach($array_levels as $level){ $dimension .= "['" . $level . "']"; //Add the current dimension to the dimensions string if(!is_array($array/* THE CONTENT OF $dimension SHOULD BE INSERTED HERE*/)){ return false; } } return true; } } How can I take the string contained in $dimensions, and insert it into the code, to be part of the statement?

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• Is there a difference between a web server and a web service?

  - by Dimitri C.

  To me, these terms sound very similar. Is there a difference really?

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• what is gd image and gd2 images? what are the difference between them?

  - by learner

  what is gd image and gd2 images? what are the difference between them?

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• generic binary Search in c#

  - by Pro_Zeck

  Below is my Generic Binary Search it works ok with the intgers type array it finds all the elements in it . But the Problem Arises when i use a string array to find any string data. It runs ok for the first index and last index elements but i cant find the middle elements. Stringarray = new string[] { "b", "a", "ab", "abc", "c" }; public static void BinarySearch<T>(T[] array, T searchFor, Comparer<T> comparer) { int high, low, mid; high = array.Length - 1; low = 0; if (array[0].Equals(searchFor)) Console.WriteLine("Value {0} Found At Index {1}",array[0],0); else if (array[high].Equals(searchFor)) Console.WriteLine("Value {0} Found At Index {1}", array[high], high); else { while (low <= high) { mid = (high + low) / 2; if (comparer.Compare(array[mid], searchFor) == 0) { Console.WriteLine("Value {0} Found At Index {1}", array[mid], mid); break; } else { if (comparer.Compare(searchFor, array[mid]) > 0) high = mid + 1; else low = mid + 1; } } if (low > high) { Console.WriteLine("Value Not Found In the Collection"); } } }

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• What's the difference whether or not to run PHP in safe mode?

  - by Runner

  Can you list any specific difference that can be perceived?

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• What is the difference between File.ReadAllLines() and File.ReadAllText()?

  - by iTayb

  What is the difference between File.ReadAllLines() and File.ReadAllText()? Thank you very much.

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• What is the difference between Managed C++ and C++/CLI?

  - by Alon

  What is exactly the difference between the "old" Managed C++ and the "new" C++/CLI?

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• What is the difference between a keyboard accelerator and a shortcut key?

  - by landon9720

  What is the difference between a keyboard accelerator and a shortcut key?

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• Can somebody explain me the difference between an error and an exception ? I am really confused abou

  - by Amy

  Please explain me as what is the difference between an error and exception.

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• What's the difference between Little Endian and Big Endian?

  - by mystify

  What's the difference between Little Endian and Big Endian?

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• What is the difference between Invoking and BeginInvoking a MessageBox?

  - by mafutrct

  In a form, compare BeginInvoke (new Action (() => { MessageBox.Show ()); })); with Invoke (new Action (() => { MessageBox.Show ()); })); What is the difference, and when should I use one over the other? How is the behavior affected by the message pump of the MessageBox? I did some testing and found that both methods block the UI. The only difference is that Invoke is actually called instantly while BeginInvoke takes a (very short) time until the code is run. This is to be expected.

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• What is the difference between Session.Abandon() and Session.Clear() in ASP.Net?

  - by picnic4u

  What is the difference between Session.Abandon() and Session.Clear() in ASP.Net?

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• difference between collection route and member route in ruby on rails?

  - by fayer

  i wonder what the difference is here: http://pastie.org/1001727 im not sure i dont understand it. thanks

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• What's the difference? eval() or just call the function directly?

  - by question_about_the_problem

  I'm not php expert and I don't know what's the difference(1) between a and b. a.)eval('return "'.base64_decode("encoded_text").'";') b.)base64_decode("encoded_text") -I THINK, a is php code and b is just string. And my other question is: What is the difference(2) between c and d? c.)eval('return "'.base64_decode("encoded_text").'";') d.)eval(base64_decode("encoded_text")) So I have 2 questions. Who can answer/help ? Thanks.

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• What is the difference between Multiple Inheritance and Polymorphism?

  - by Parth

  What is the difference between Multiple Inheritance and Polymorphism?

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• How do I find the time difference between two datetime objects in Asp.net.

  - by Ayyappan.Anbalagan

  How do I find the time difference between two datetime objects in Asp.net.

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