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  • A better way of handling the below program(may be with Take/Skip/TakeWhile.. or anything better)

    - by Newbie
    I have a data table which has only one row. But it is having 44 columns. My task is to get the columns from the 4th row till the end. Henceforth, I have done the below program that suits my requirement. (kindly note that dt is the datatable) List<decimal> lstDr = new List<decimal>(); Enumerable.Range(0, dt.Columns.Count).ToList().ForEach(i => { if (i > 3) lstDr.Add(Convert.ToDecimal(dt.Rows[0][i])); } ); There is nothing harm in the program. Works fine. But I feel that there may be a better way of handimg the program may be with Skip ot Take or TakeWhile or anyother stuff. I am looking for a better solution that the one I implemented. Is it possible? I am using c#3.0 Thanks.

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  • What is wrong with the below statement(C#3.0 / Lambda)

    - by Newbie
    what is wrong in the below Enumerable.Range(0, objEntityCode.Count - 1).Select(i => { options.Attributes[i] = new EntityCodeKey { EntityCode = objEntityCode[i].EntityCodes , OrganizationCode = Constants.ORGANIZATION_CODE }; }) .ToArray(); Throwing error The type arguments for method 'System.Linq.Enumerable.Select(System.Collections.Generic.IEnumerable, System.Func)' cannot be inferred from the usage. Try specifying the type arguments explicitly. But this works Enumerable.Range(0, objEntityCode.Count - 1).ToList().ForEach(i => { options.Attributes[i] = new EntityCodeKey { EntityCode = objEntityCode[i].EntityCodes , OrganizationCode = Constants.ORGANIZATION_CODE }; } ); Using C#3.0. Purpose: I am learning LINQ / LAMBDA and trying to do the same program in different way. Thanks.

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  • Convert list to double[][] in C#3.0

    - by Newbie
    Given List<double> x1 = new List<double> { -0.2718, -0.2240, -0.1275, -0.0810, 0.0349, -0.5067, 0.0094, -0.4404, -0.1212 }; List<double> x2 = new List<double> { 0.0330, -0.6463, 0.1226, -0.3304, 0.4764, -0.4159, 0.4209, -0.4070, -0.2090 }; How can I make as double[][] X at runtime(programatically). I mean to say if the output I get if I run double[][] X = { new double[] { -0.2718, -0.2240, -0.1275, -0.0810, 0.0349, -0.5067, 0.0094, -0.4404, -0.1212 }, new double[] { 0.0330, -0.6463, 0.1226, -0.3304, 0.4764, -0.4159, 0.4209, -0.4070, -0.2090 } }; Using C#3.0 Thanks

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  • How can I get reports for last 24h in SQL?

    - by newbie
    I need to get all reports made in last 24h, table has CreatedDate column, so I need to check in database that report was created in last 24h. I know I can use getdate() to get current date, but how can I minus 24h from that attrbiute and then compare that date with CretedDate?

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  • Cannot we use break statement in a lambda(C#3.0)

    - by Newbie
    Consider this List<int> intList = new List<int> { 1, 2, 3, 4, 5, 6 }; int j = 0; intList.ForEach(i => { if (i.Equals(1)) { j = i; break; } } ); Throwing error: No enclosing loop out of which to break or continue But the below works foreach(int i in intList) { j = i; break; } Why so. Am I making any mistake. Thanks

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  • Problem with Javascript object and accessing property which exists

    - by Newbie
    I have something like this: var test = {}; function blah() { test[2] = 'filled'; } console.log(test); //result test -> 2:"filled" console.log(test[2]); //result undefined I don't understand why I'm getting 'undefined' in the second instance when according to the first instance, the property of that object clearly exists! Does anyone have any ideas? Thanks

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  • Is it multitasking?(c#3.0)

    - by Newbie
    Consider the below program factorThread = new Thread( new ThreadStart( delegate { Method1(); Method2(); } ) ); Is it that 2 threads are getting called parallely(multitasking) or a single thread is calling the methods sequentially? It's urgent. Thanks

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  • Replace beginning words

    - by Newbie
    I have the below tables. tblInput Id WordPosition Words -- ----------- ----- 1 1 Hi 1 2 How 1 3 are 1 4 you 2 1 Ok 2 2 This 2 3 is 2 4 me tblReplacement Id ReplacementWords --- ---------------- 1 Hi 2 are 3 Ok 4 This The tblInput holds the list of words while the tblReplacement hold the words that we need to search in the tblInput and if a match is found then we need to replace those. But the problem is that, we need to replace those words if any match is found at the beginning. i.e. in the tblInput, in case of ID 1, the words that will be replaced is only 'Hi' and not 'are' since before 'are', 'How' is there and it is not in the tblReplacement list. in case of Id 2, the words that will be replaced are 'Ok' & 'This'. Since these both words are present in the tblReplacement table and after the first word i.e. 'Ok' is replaced, the second word which is 'This' here comes first in the list of ID category 2 . Since it is available in the tblReplacement, and is the first word now, so this will also be replaced. So the desired output will be Id NewWordsAfterReplacement --- ------------------------ 1 How 1 are 1 you 2 is 2 me My approach so far: ;With Cte1 As( Select t1.Id ,t1.Words ,t2.ReplacementWords From tblInput t1 Cross Join tblReplacement t2) ,Cte2 As( Select Id, NewWordsAfterReplacement = REPLACE(Words,ReplacementWords,'') From Cte1) Select * from Cte2 where NewWordsAfterReplacement <> '' But I am not getting the desired output. It is replacing all the matching words. Urgent help needed*.( SET BASED )* I am using SQL Server 2005. Thanks

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  • Problem in thread pool implementation(C#3.0)

    - by Newbie
    Hi Experts, I have done the below thread pool program but the problem is that the WaitCallBackMethod(here ThreadPoolCallback) is getting called 2 times(which ideally should be called 1ce). what is the misktake I am making? public class Calculation { #region Private variable declaration ManualResetEvent[] factorManualResetEvent = null; #endregion public void Compute() { factorManualResetEvent = new ManualResetEvent[2]; for (int i = 0; i < 2; i++){ factorManualResetEvent[i] = new ManualResetEvent(false); ThreadPool.QueueUserWorkItem(ThreadPoolCallback, i);} //Wait for all the threads to complete WaitHandle.WaitAll(factorManualResetEvent); //Proceed with the next task(s) NEXT_TASK_TO_BE_EXECUTED(); } #region Private Methods // Wrapper method for use with thread pool. public void ThreadPoolCallback(Object threadContext) { int threadIndex = (int)threadContext; Method1(); Method2(); factorManualResetEvent[threadIndex].Set(); } private void Method1 () { //Code of method 1} private void Method2 () { //Code of method 2 } #endregion } I am using C#3.0 Thanks

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  • how to use string in va_start?

    - by Newbie
    for some reason, i cant get this working: void examplefunctionname(string str, ...){ ... va_start(ap, str.c_str()); nor do i get this work: void examplefunctionname(string str, ...){ ... int len = str.length(); char *strlol = new char[len+1]; for(int i = 0; i < len; i++){ strlol[i] = str[i]; } strlol[len] = 0; va_start(ap, strlol); but this does: void examplefunctionname(const char *str, ...){ ... va_start(ap, str); could someone show me how i can use string instead of const char * there? its outputting random numbers when i call examplefunctionname("%d %d %d", 1337, 1337, 1337)

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  • Can we avoid multiple if''s(C#3.0)

    - by Newbie
    I tried my level best to write an improved version but failed. inFiles.ToList().ForEach(i => { filePath = inFolder + "\\" + i.Value; if (i.Key.Equals(replacementFile)) { replacementCollection = GetReplacementDataFromFile(filePath); } else if (i.Key.Equals(standardizationFile)) { standardizationCollection = GetStandardizationDataFromFile(filePath); } }); The problem is that I cannot use a switch case over here because the comparison variables are not constant. Kindly help to improve this code. I am using C#(3.0). Thanks

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  • Forcing value to boolean: (bool) makes warning, !! doesnt.

    - by Newbie
    I like (bool) way more, but it generates warnings. How do i get rid off the warnings? I have code like: bool something_else = 0; void switcher(int val = -1){ if(val != -1){ something_else = (bool)val; }else{ something_else ^= 1; } } Should i just do it like everyone else and use '!!' or make it somehow hide the warning messages when using (bool) ? Or is '!!' actually faster than (bool) ? I would like to use (bool) and so i have to hide the warning, but how?

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  • date enable disable

    - by Newbie
    I have an "add new product page" and I have a field in the database table "jos_stockmovement", "start_week" which contains data for the year and week. In my "Add New Product" page I have a field dropdown-list named "Start Week" which holds the year and week, for example, "2012/36". How do I disable the past week? I all I want to enable is the current week. Heres my code: <td colspan="99"> <%= fld.select :start_week, options_for_select( StockMovement.order("year DESC, week DESC").map { | val | [ "#{ val.year }/#{ val.week }", val.id ] }, :selected => @product.start_week ), :class => "ddl_SW" %> </td>

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  • MeeGo revient dès le mois prochain sur le premier smartphone de Jolla, le successeur de l'OS mobile s'appelle « Sailfish »

    Un seul smartphone sous MeeGo, tel est le constat de Nokia après la fusion de Maemo avec Moblin (l'ex-OS mobile d'Intel), le N9 ; c'est ce même N9 qui a servi de base au Lumia 800, sous Windows Phone, marquant l'arrêt de mort de MeeGo sur les smartphones du géant finlandais en déroute. Certains diront même qu'il ne s'agit pas vraiment de MeeGo, mais plutôt d'un Harmattan, un OS prévu pour effectuer la transition entre Maemo et MeeGo : on prend un Maemo 5, on en éjecte GTK+ pour qu'il ne reste que Qt, on colle les API MeeGo dessus, ça fait un Harmattan, officiellement sous le nom de « MeeGo 1.2 Harmattan » ̵...

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  • Nokia s'apprête à vendre Qt à Digia, cet éditeur finlandais pourra asseoir son expertise dans le domaine de Qt

    Nokia vend sa division Qt à Digia Qui pourra asseoir son expertise dans le domaine de Qt Mise à jour du 07/03/11 Dernières nouvelles : Nokia revend la division Qt (certains diront qu'il s'en débarrasse) à Digia. Un accord vient d'être signé entre les deux firmes, Digia reprendra 3500 clients de Nokia. Rappelons que Nokia avait acheté Trolltech, société éditrice de Qt, en 2008. Ceci fait suite à la décision de Nokia de ne pas sortir de smartphone basé sur Symbian ou MeeGo, le dernier résultant de la fusion entre Maemo de Nokia et Moblin d'Intel, et de se baser exclusivement sur Windows Phone 7. Sebastian Nyström, vice président de Nokia, Applic...

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  • Premières démonstrations de MeeGo, le concurrent de Chrome et d'Android issu de la fusion de Maemo d

    Mise à jour du 15/04/10 Première démonstration de MeeGo Le concurrent de Chrome et d'Android issu de la fusion de Maemo de Nokia et de Moblin d'Intel Intel et Nokia avait récemment mis en ligne la première mouture de leur nouvel issu de leur collaboration (lire ci-avant) mais cette version était encore très incomplète. Sur son "channel" dédié sur Youtube, Intel vient de d'en dévoiler un peu plus. Une première démo montre un netbook tandis que la deuxième illustre bien la volonté des deux constructeurs de faire un système qui puisse s'adapter à une grande variété de terminaux (TV, mobiles... et même aux voitures si l'o...

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  • about TranslateTransform and RenderTransformOrigin

    - by George2
    Hello everyone, I am using Silverlight 3.0 + .Net 3.5 + VSTS 2008 + C# to silverlight application. I want to learn TranslateTransform and RenderTransformOrigin, could anyone recommend me some tutorials? I am a newbie of this area. And I did not find anything which is good to learn for a newbie from MSDN (correct me if there are some good stuff). :-) BTW: I am headache about the coordination transformation matrix, it is great if the tutorial could cover this topic. thanks in advance, George

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