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  • Multiple word Auttosuggest using Lucene.Net

    - by eric
    I am currently working on an search application which uses Lucene.Net to index the data from the database to Index file. I have a product catalog which has Name, short and long description, sku and other fields. The data is stored in Index using StandardAnalyzer. I am trying to add auto suggestion for a text field and using TermEnum to get all the keyword terms and its score from the Index. But the terms returned are of single term. For example, if I type for co, the suggestion returned are costume, count, collection, cowboy, combination etc. But I want the suggestion to return phrases. For exmaple, if I search for co, the suggestions should be cowboy costume, costume for adults, combination locks etc. The following is the code used to get the suggestions: public string[] GetKeywords(string strSearchExp) { IndexReader rd = IndexReader.Open(mIndexLoc); TermEnum tenum = rd.Terms(new Term("Name", strSearchExp)); string[] strResult = new string[10]; int i = 0; Dictionary<string, double> KeywordList = new Dictionary<string, double>(); do { //terms = tenum.Term(); if (tenum.Term() != null) { //strResult[i] = terms.text.ToString(); KeywordList.Add(tenum.Term().text.ToString(), tenum.DocFreq()); } } while (tenum.Next() && tenum.Term().text.StartsWith(strSearchExp) && tenum.Term().text.Length > 1); var sortedDict = (from entry in KeywordList orderby entry.Value descending select entry); foreach (KeyValuePair<string, double> data in sortedDict) { if (data.Key.Length > 1) { strResult[i] = data.Key; i++; } if (i >= 10) //Exit the for Loop if the count exceeds 10 break; } tenum.Close(); rd.Close(); return strResult; } Can anyone please give me directions to achive this? Thanks for looking into this.

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  • GTK+ buffer in g_input_stream_read...

    - by sterh
    Hello, I load data with function: gssize g_input_stream_read (GInputStream *stream, void *buffer, gsize count, GCancellable *cancellable, GError **error); What is ma value of buffer parameter. How can I know what should be equal to buffer? I make: #define LOAD_BUFFER_SIZE 65536 But when i try to load image, only visible part of the image. Thank you.

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  • Change HttpContext.Request.InputStream

    - by user320478
    I am getting lot of errors for HttpRequestValidationException in my event log. Is it possible to HTMLEncode all the inputs from override of ProcessRequest on web page. I have tried this but it gives context.Request.InputStream.CanWrite == false always. Is there any way to HTMLEncode all the feilds when request is made? public override void ProcessRequest(HttpContext context) { if (context.Request.InputStream.CanRead) { IEnumerator en = HttpContext.Current.Request.Form.GetEnumerator(); while (en.MoveNext()) { //Response.Write(Server.HtmlEncode(en.Current + " = " + //HttpContext.Current.Request.Form[(string)en.Current])); } long nLen = context.Request.InputStream.Length; if (nLen > 0) { string strInputStream = string.Empty; context.Request.InputStream.Position = 0; byte[] bytes = new byte[nLen]; context.Request.InputStream.Read(bytes, 0, Convert.ToInt32(nLen)); strInputStream = Encoding.Default.GetString(bytes); if (!string.IsNullOrEmpty(strInputStream)) { List<string> stream = strInputStream.Split('&').ToList<string>(); Dictionary<int, string> data = new Dictionary<int, string>(); if (stream != null && stream.Count > 0) { int index = 0; foreach (string str in stream) { if (str.Length > 3 && str.Substring(0, 3) == "txt") { string textBoxData = str; string temp = Server.HtmlEncode(str); //stream[index] = temp; data.Add(index, temp); index++; } } if (data.Count > 0) { List<string> streamNew = stream; foreach (KeyValuePair<int, string> kvp in data) { streamNew[kvp.Key] = kvp.Value; } string newStream = string.Join("", streamNew.ToArray()); byte[] bytesNew = Encoding.Default.GetBytes(newStream); if (context.Request.InputStream.CanWrite) { context.Request.InputStream.Flush(); context.Request.InputStream.Position = 0; context.Request.InputStream.Write(bytesNew, 0, bytesNew.Length); //Request.InputStream.Close(); //Request.InputStream.Dispose(); } } } } } } base.ProcessRequest(context); }

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  • Multiset without Compare?

    - by nimcap
    I want to use multiset to count some custom defined keys. The keys are not comparable numerically, comparing two keys does not mean anything, but their equality can be checked. I see that multiset template wants a Compare to order the multiset. The order is not important to me, only the counts are important. If I omit Compare completely what happens? Does multiset work without any problems for my custom keys?

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  • tag statistics with rails

    - by poseid
    I am using the plugin: http://github.com/karmi/is_taggable How can I perform simple statistics on my tags, e.g. what's the most used tag? which tags are not used, etc.? With SQL I would do something like: select id, count(*) from taggings group by taggable_id; But I am not seeing how to do this with the plugin. Thanks!

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  • how to combine the related version in group by

    - by randeepsp
    select count(a),b,c from APPLE join MANGO on (APPLE.link=MANGO.link) join ORANGE on (APPLE.link=ORANGE.link) where id='camel' group by b,c; the column b gives values like 1.0 1.0,R 1.0,B 2.0 2.0,B 2.0,R 3.0,C 3.0,R is there a way to modify the above quer so that all 1.0 and 1.0,R and 1.0,B are merged as 1.0 and 2.0,2.0,B are merged as 2.0 and same way for 3.0 and 4.0

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  • Question about the ITextUndoHistory that gets returned from TryGetHistory

    - by Nick U
    Everytime the IWpfTextView's TextBuffer changes I am trying to get the history's redostack and undostack and simply checking the count. When doing this I am encountering a "Method not supported exception" when trying to access the two stacks. Am I retrieving the history incorrectly or does VS not want me seeing/editing the contents of the stacks? I can post the code if necessary... Thanks, Nick

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  • When calling twitter api favorites, get favourite_count

    - by mickyjtwin
    Using the Twitter REST API Method: favorites for a user, this returns a list of statuses of each favourite. Is there a way to get the favourite count other than calling users/show, and accessing the property this way? Seems an ineffecient way of determining if there are more than 20 favourites for paging purposes.

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  • StreamWriter appends random data

    - by void
    Hi I'm seeing odd behaviour using the StreamWriter class writing extra data to a file using this code: public void WriteToCSV(string filename) { StreamWriter streamWriter = null; try { streamWriter = new StreamWriter(filename); Log.Info("Writing CSV report header information ... "); streamWriter.WriteLine("\"{0}\",\"{1}\",\"{2}\",\"{3}\"", ((int)CSVRecordType.Header).ToString("D2", CultureInfo.CurrentCulture), m_InputFilename, m_LoadStartDate, m_LoadEndDate); int recordCount = 0; if (SummarySection) { Log.Info("Writing CSV report summary section ... "); foreach (KeyValuePair<KeyValuePair<LoadStatus, string>, CategoryResult> categoryResult in m_DataLoadResult.DataLoadResults) { streamWriter.WriteLine("\"{0}\",\"{1}\",\"{2}\",\"{3}\"", ((int)CSVRecordType.Summary).ToString("D2", CultureInfo.CurrentCulture), categoryResult.Value.StatusString, categoryResult.Value.Count.ToString(CultureInfo.CurrentCulture), categoryResult.Value.Category); recordCount++; } } Log.Info("Writing CSV report cases section ... "); foreach (KeyValuePair<KeyValuePair<LoadStatus, string>, CategoryResult> categoryResult in m_DataLoadResult.DataLoadResults) { foreach (CaseLoadResult result in categoryResult.Value.CaseLoadResults) { if ((LoadStatus.Success == result.Status && SuccessCases) || (LoadStatus.Warnings == result.Status && WarningCases) || (LoadStatus.Failure == result.Status && FailureCases) || (LoadStatus.NotProcessed == result.Status && NotProcessedCases)) { streamWriter.Write("\"{0}\",\"{1}\",\"{2}\",\"{3}\",\"{4}\"", ((int)CSVRecordType.Result).ToString("D2", CultureInfo.CurrentCulture), result.Status, result.UniqueId, result.Category, result.ClassicReference); if (RawResponse) { streamWriter.Write(",\"{0}\"", result.ResponseXml); } streamWriter.WriteLine(); recordCount++; } } } streamWriter.WriteLine("\"{0}\",\"{1}\"", ((int)CSVRecordType.Count).ToString("D2", CultureInfo.CurrentCulture), recordCount); Log.Info("CSV report written to '{0}'", fileName); } catch (IOException execption) { string errorMessage = string.Format(CultureInfo.CurrentCulture, "Unable to write XML report to '{0}'", fileName); Log.Error(errorMessage); Log.Error(exception.Message); throw new MyException(errorMessage, exception); } finally { if (null != streamWriter) { streamWriter.Close(); } } } The file produced contains a set of records on each line 0 to N, for example: [Record Zero] [Record One] ... [Record N] However the file produced either contains nulls or incomplete records from further up the file appended to the end. For example: [Record Zero] [Record One] ... [Record N] [Lots of nulls] or [Record Zero] [Record One] ... [Record N] [Half complete records] This also happens in separate pieces of code that also use the StreamWriter class. Furthermore, the files produced all have sizes that are multiples of 1024. I've been unable to reproduce this behaviour on any other machine and have tried recreating the environment. Previous versions of the application didn't exhibite this behaviour despite having the same code for the methods in question. EDIT: Added extra code.

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  • A program where user enters a string and the program counts the instances of the letters

    - by user1865183
    This is the first C++ program I have ever written and I'm having trouble understanding the order in which operands must be put in. This is for a class, but it looks like I'm not supposed to use the homework tag. Sorry if I'm doing this wrong. This is my input // Get DNA string string st; cout << "Enter the DNA sequence to be analysed: "; cin >> st; This seems to work ok, but I thought I would include it incase this is what I'm doing wrong. This is what I have so far to check that the input is exclusively C,T,A, or G. It runs through the program and simply prints "Please enter a valid sequnce1, please enter a valid sequence2, ... ect. I'm sure I'm doing something very stupid, I just can't figure it out. // Check that the sequence is all C, T, A, G while (i <= st.size()){ if (st[i] != 'c' && st[i] != 'C' && st[i] != 'g' && st[i] != 'G' && st[i] != 't' && st[i] != 'T' && st[i] != 'a' && st[i] != 'A'); cout << "Please enter a valid sequence" << i++; else if (st[i] == c,C,G,t,T,a,A) i++; The second half of my program is to count the number of Cs and Gs in the sequence for (i < st.size() ; i++ ;); for (loop <= st.size() ; loop++;) if (st[loop] == 'c') { count_c++; } else if (st[loop] == C) { count_c++; } else if (st[loop] == g) { count_g++; } else if (st[loop] == G); { count_g++; } cout << "Number of instances of C = " << count_c; cout << "Number of instances of G = " << count_g; It seems like it's not looping, it will count 1 of one of the letters. How do I make it loop? I can't seem to put in endl; anywhere without getting an error back, although I know I'll need it somewhere. Any help or tips to point me in the right direction would be greatly appreciated - I've been working on this code for two days (this is embarrassing to admit).

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  • odd validation error messages with authlogic

    - by peter
    i have an issue where when validation fails, i get messages like "{{count}} errors prohibited this {{model}} from being saved" and "{{attribute}} {{message}}". it looks like something isn't getting expanded correctly. i've tried adding validates_* stuff but it doesn't seem to help. i've also tried to search the web for an answer but when i add the '{{' and '}}' i get no results. what am i missing? how can i fix this? thanks, -peter

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  • Create a new log file every time my program is run

    - by Bernhard V
    Hi, I am using the Apache commons logging library and log4j to generate my log files. Now I want to create a new file every time I run my program. The current count should be appended to the log file's name. For example: program_1.log program_2.log program_3.log Do you know how I could achieve this?

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  • Repeating a object that only occurs couple of times and has different values with htmlagilitypack c#.

    - by dtd
    I have a problem I cant seem to solve here. Lets say I have some html like beneth here that I want to parse. All this html is within one list on the page. And the names repeat themself like in the example I wrote. <li class = "seperator"> a date </li> <li class = "lol"> some text </li> <li class = "lol"> some text </li> <li class = "lol"> some text </li> <li class = "seperator"> a new date </li> <li class = "lol"> some text </li> <li class = "seperator"> a nother new date </li> <li class = "lol"> some text </li> <li class = "lol"> some text </li> I did manage to use htmlagility pack to parse every li object seperate, and almost formating it how I want. My print atm looks something like this: "a date" "some text" "some text" "some text" "some text" "a new date" "some text" "a nother new date " "some text" "some text" "some text" What I want to achive: "a date" "some text" "a date" "some text" "a date" "some text" "a date" "some text" "a new date" "some text" "a nother new date " "some text" "a nother new date " "some text" "a nother new date " "some text" But the problem is that beneath every seperator, the count of every lol object may vary. So one day, the webpage may have one lol object beneth date 1, and the next day it may have 10 lol objects. So I am woundering if there is an smart/easy way to somehow count the number of lol objects in between the seperators. Or if there is another way to figure this out? Within for example htmlagilitypack. And yes, I need the correct date in front of every lol object, not just infront the first one. This would have been a pice of cake if the seperator class would have ended beneath the last lol object, but sadly that is not the case... I dont think that I need to paste my code here, but basicly what I do is to parse the page, extract the seperators and lol objects and add them to a list, where I split them up to seperator and lol objects. Then I print it out to a file and since the seperator only occure 3 times(in the example) I will only get out 3 seperate dates.

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