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• WinSock best accept() practices

  - by Meta

  Imagine you have a server which can handle only one client at a time. The server uses WSAAsyncSelect to be notified of new connections. In this case, what is the best way of handling FD_ACCEPT messages: A Accept the connection attempt right away but queue the client until its turn? B Do not accept the next connection attempt until we are done serving the currently connected client? What do you guys think is the most efficient?

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• How do I get Nunit to run selenium tests against different servers?

  - by Jon

  I have an Nunit test which uses selenium RC to run tests against our UI. I want to run the tests against 2 different servers, which means having the call to selenium.open() with 2 different servers. However, I don't want to have 2 different Nunit test suites that do the same thing but against different servers. I need a way of passing parameters from Nant or the Nunit driver program to specific which server to test against. Is there anyway to do this?

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• MYSQL - Query to check against other table (hard to explain...)

  - by Sam

  I have a query that gets a list of emails who have subscribed for a newsletter trial which lasts 30 days.. $thirty = time() - 3024000; SELECT c.email FROM tbl_clients AS c JOIN tbl_clientoptions AS o ON o.client = c.id WHERE o.option = 'newsletter' AND c.datecreated $thirty What I want to do is do a check in that same query so it also returns clients OVER 30 days old if they have the tbl_clientoptions.option = 'trialoverride' (ie; a row in the client options table with the value "trialoverride") basic columns are: TBL_CLIENTS id,name,email,datecreated TBL_CLIENTOPTIONS id,client,option

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• Is read-only auto-imlemented property possible?

  - by abatishchev

  Hello. I found a topic on MSDN that talks that yes, this is possible. I did a test that seems to break this statement: using System; namespace Test { class Program { static void Main(string[] args) { Foo f = new Foo("1"); Console.WriteLine(f.Bar); // prints 1 f.Test("2"); Console.WriteLine(f.Bar);// successfully prints 2 } } class Foo { public Foo(string b) { this.Bar = b; } public string Bar { get; private set; } public void Test(string b) { // this would be impossible for readonly field! // next error would be occur: CS0191 or CS0191 // A readonly field cannot be assigned to (except in a constructor or a variable initializer) this.Bar = b; } } } Where am I wrong?

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• Force to call virtual base function instead of the overriden one.

  - by Roberto Sebestyen

  In the following example "Test that v1 function was called" fails. Is there a way to force call the base implementation of "RunFunction" through an instance of "class V2" ?? class V1 { public virtual string RunFunction() { return "V1"; } } class V2 : V1 { public override string RunFunction() { return "V2"; } } [Test] public void TestCall() { var v1 = (V1)new V2(); var v2 = new V2(); Assert.IsTrue(v1.RunFunction() == "V1", "Test that v1 function was called"); Assert.IsTrue(v2.RunFunction() == "V2", "Test that v2 function was called"); }

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• getting directory name in java

  - by Codenotguru

  how to get the directory name for a particular file on the drive in java? for example i have a test.java under a test directory on my D drive.how do i find the directory name for this test.java?

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• How do I escape a new line character in a .ini file so that Zend_Config_Ini reads it literally?

  - by Nick

  I am trying to store a multiple line e-mail in an ini file using PHP/Zend Framework. My string has new lines characters in it, and when I use Zend_Config_Ini to parse the ini file, the new line characters come back escaped, so they are printed out on screen, instead of a line feed. Example: // ini file message = Hi {0},\n\nThis is a test message.\nGoodbye! is parsed by Zend_Config_Ini as: Hi {0},\\n\\nThis is a test message.\\nGoodbye! which then is printed out in the email as: Hi John,\n\nThis is a test message.\nGoodbye! Instead I want the e-mail to look like this: Hi John, This is a test message. Goodbye! Does anybody know how to achieve this? Thanks!

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• Cannot get list of elements using Linq to XML

  - by Blackator

  Sample XML: <CONFIGURATION> <Files> <File>D:\Test\TestFolder\TestFolder1\TestFile.txt</File> <File>D:\Test\TestFolder\TestFolder1\TestFile01.txt</File> <File>D:\Test\TestFolder\TestFolder1\TestFile02.txt</File> <File>D:\Test\TestFolder\TestFolder1\TestFile03.txt</File> <File>D:\Test\TestFolder\TestFolder1\TestFile04.txt</File> </Files> <SizeMB>3</SizeMB> <BackupLocation>D:\Log backups\File backups</BackupLocation> </CONFIGURATION> I've been doing some tutorials but I am unable to get all the list of file inside the files element. It only shows the first element and doesn't display the rest. This is my code: var fileFolders = from file in XDocument.Load(@"D:\Hello\backupconfig1.xml").Descendants("Files") select new { File = file.Element("File").Value }; foreach (var fileFolder in fileFolders) { Console.WriteLine("File = " + fileFolder.File); } How do I display all the File in the Files element, the SizeMB and BackupLocation? Thanks

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• How to detect the last character

  - by Mercer

  i have a string and i want to know if the last character in my string is # example: String test="test my String #";

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• selecting delimiter in regex while selecting portion between lines in case of perl

  - by Gaurav S

  The message has detection report: <detection_report> Test 1 Test 2 Test 3 </detection_report> --------------------------------------------- Have a nice day I want to select portion between <detection_report> tags, including these two tags. I have written following code. The message has detection report\:((.|\n|\r)+)(\<\/detection_report\>) but its not working. Can anyone help me with this.

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• UPDATE statement wrapped in an IF EXISTS block

  - by formica

  I'm trying to write a DML script that updates a column but I wanted to make sure the column existed first so I wrapped it in a IF EXISTS block IF EXISTS(SELECT * FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_NAME='Client' AND COLUMN_NAME='IsClarityEnabled') BEGIN UPDATE Client SET IsClarityEnabled = 1 WHERE ClientID = 21 END So the weirdness is that it tries to execute the update even if it fails the condition. So column doesn't exist and the UPDATE statement runs and I get an error. Why? Even stranger is that this does work: IF EXISTS(SELECT * FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_NAME='Client' AND COLUMN_NAME='IsClarityEnabled') BEGIN EXEC('UPDATE Client SET IsClarityEnabled = 1 WHERE ClientID = 21') END Is there something special about an UPDATE command that causes it to behave this way?

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• CMake with include and source paths - basic setup

  - by user912403

  I'm trying to set up a test project looking like my own project just to get things working first and it looks like this: /MainProject/inc/main.h /MainProject/src/main.cpp /LibProject/inc/test.h /LibProject/src/test.cpp I've found some tutorials, but I cant find out how to set up this when I have the inc and src folder? How would the CMakeLists.txt files look? Would I have one in /, one in each of the project folders? It seems like I dont need to have one in the inc and src folders?

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• Why the function from immediate parent is called and not from grandparent class. Is this called func

  - by sandeep

  class A { public: void test () { cout<<"In A"; } }; class B :public A { public: void test () { cout<<"In B"; } }; class C : public B { public: int c; }; int main() { C c; c.test(); } The result is: In B...

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• ERROR: there is no parameter $1 when creating view

  - by idlemoments

  When we try to create a view within a funcion we get ERROR: there is no parameter $1. This is the sample code. Begin CREATE VIEW artikelnr AS SELECT datum, 'uitgifte' as "type", CASE WHEN 'test'='test' THEN 0 END as "aantal ontvangen", aantal as "aantal uitgegeven" FROM uitgifteregel JOIN artikel ON artikel.artikelnr = new.artikelnr JOIN uitgifte ON uitgifte.uitgiftenr = uitgifteregel.uitgiftenr UNION SELECT datum, 'ontvangst' as "type", aantal as "aantal ontvangen" , CASE WHEN 'test'='test' THEN 0 END as "aantal uitgegeven" FROM ontvangstregel JOIN artikel ON artikel.artikelnr = new.artikelnr JOIN ontvangst ON ontvangst.ontvangstnr = ontvangstregel.ontvangstnr; Return new; end; When we replace new.artikelnr on line 7 with value 1 it works like it should, but the function needs to work with different artikelnr's. example line 7: JOIN artikel ON artikel.artikelnr = new.artikelnr Please point us in the right direction.

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• DataSet.GetChanges - Save the updated record in a different table than the source one

  - by John Dev

  I'm doing operation on a dataset containing data from a sql table named Test_1 and then get the updated records using the DataSet.GetChanges(DataRowState.Modified) function. Then i try to save the dataset containing the updated records on a different table than the source one (the table is names Test and has the same structure as Test_1) using the following statement: sqlDataAdapter.Update(changesDataSet,"Test"); I'm getting the following error : Update unable to find TableMapping['Test'] or DataTable 'Test' I'm new to ado.net and don't even know if it"s something possible. Any advice is welcome. Just to provide a bit of context. ETL jobs are importing data in temp table with same structure as the original but with _jobid suffix. Right after a rule engine is doing validation before updating the original table.

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• How messengers (IM) works (listening) ?

  - by Panda

  My task is to write a Messenger program for both internal and external staffs, I actually made it. However, I thing this is really not a good approach by using the client software keep "check-mesg" from server. So I think I am just simulating the IM program. I want to make the client app become a listening server, and let user p2p talking without a "mesg-centre" at the main server(unless offline mesg happen). The question is how do I tell the external user ( other client app ) my location while I am behind a router ? Are those other IM programs running on the client machine as a server too? and how do they get through ? Thanks in advance!

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• remote desktop using c#

  - by seddik

  hello , am developing a remote desktop software using c#.net , i have client and server , the server sends screenshots to client & the client sends events , i have done this , but the problem is when i send the click message , i dunno how to execute it in the server ??!! , plz any ideas ???

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• Interrupt mechanism in C,C++

  - by mawia

  Hey I was writing a udp client server in which a client waits for packets from server.But I want to limit this wait for certain time.After client don't get response for a certain moment in raise an alarm,basically it comes out and start taking remedy steps.So what are the possible solution for it.I think writing a wrapper around recv will work but how exactly this has to be done,I mean how will make recv raise alarm for you after that time limit. Any Help in this regard will be appreciated. Thanks!

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• Does the pointer get from sqlite3_column_blob() method need to be delete?

  - by quantity

  Like this: const void * test = sqlite3_column_blob(stat, 1); Can I delete or delete[] test?

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• hello I nead help 4 my busines [closed]

  - by Gezim

  Hello Plase Must Get more Help 4 My busines Plase Tell me How to Get more work and client in My bar I hav small bar but not have mutch client how to get more client

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• How do you detect if a list has exactly 3 items in Haskell?

  - by kunjaan

  I have this but I got an error: -- test if a list containts exactly three characters test :: [Char] -> Bool test xs | [_ , _ , _] = True | otherwise = False

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• "if" expression question

  - by Here

  Hi, I test some simple F# code for "if" expression, but the result is unexpected for me: > let test c a b = if c then a else b;; val test : bool -> 'a -> 'a -> 'a However > test true (printfn "a") (printfn "b");; a b val it : unit = () I'd expect only "a" is printed out but here I got both "a" and "b". I wonder why it comes out this way? Thanks!

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• Quiz module as a part of SQL Tutorial (Project) in C#. Help!

  - by N1107

  Kindly help. Am a beginner in C#. The details of my project work include: Front End: C# Back End: SQL MS Visual Studio 2010 Windows Application Quiz Module Each session contains 20 questions. At the end of the test, the test-engine will evaluate the answers. If the student obtains more than 50% then he can unlock the next module. And his test score is printed using Crystal Reports and saved in teacher's database, against that student's record. Else, if his score is less than 50%, the test-engine will count the no. of attempts to clear the quiz & randomly generate another set of 20 questions from a file (from the teacher's database). It's complicated for me cause am a beginner. Would appreciate some help. Thanks.

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• F# "if" expression question

  - by Here

  Hi, I test some simple F# code for "if" expression, but the result is unexpected for me: > let test c a b = if c then a else b;; val test : bool -> 'a -> 'a -> 'a However > test true (printfn "a") (printfn "b");; a b val it : unit = () I'd expect only "a" is printed out but here I got both "a" and "b". I wonder why it comes out this way? Thanks!

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• toURI method of File transform space character into %20

  - by piero

  toURI method of File transform space character into %20 On windows XP with Java 6 public static void main(String[] args) { File f = new File("C:\\My dir\\test.txt"); URI uri = f.toURI(); System.out.println(f.getAbsolutePath()); System.out.println(uri); } C:\My dir\test.txt file:/C:/My%20dir/test.txt

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