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• C#: socket closing if user user exists

  - by corvallo

  Hi to everyone I'm trying to create a server/client application for a school project. This is the scenario: a server on a given port, multiple user connected, each user has it's own username. Now I want to check if a user that try to connect to the user use a valid username, for example if a user with username A it's already connected a new user…

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• CakePHP Observe field for validation check(already exists)

  - by deck john

  i have already user observe field in cakephp 1.3 Now i want to do the same thing in cakephp 2.0 I have one form.there is a one field named email. When user insert email. onblur there is a popup one message that displays "email already exists" or "right" for that i have write below code in my projects. the below code is my add file code …

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• no default constructor exists for class

  - by MixedCoder

  #include "Includes.h" enum BlowfishAlgorithm { ECB, CBC, CFB64, OFB64, }; class Blowfish { public: struct bf_key_st { unsigned long P[18]; unsigned long S[1024]; }; Blowfish(BlowfishAlgorithm algorithm); void Dispose(); void SetKey(unsigned char data[]); …

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• zend form check record no exists in database

  - by Yafa Su

  I have a form that check if email exists in the database within 2 tables. I'm using Zend_Validate_Db_NoRecordExists for both validate, but it only check the second one. Any idea why it's not working? class Application_Form_ReferUser extends Zend_Form { public $email, $freeDownload, $buyNow; public function init() { …

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• Check if NSString exists in custom object in NSArray

  - by Paul Peelen

  I have an NSArray with Store objects. Each Store object has two NSString objects; StoreID and Name. I would like to check quickly if an ID exists in this NSArray with Store objects. Example: Store *s1 = [[Store alloc] init]; s1.name = @"Some Name"; s1.id = @"123ABC"; Store *s2 = [[Store alloc] init]; s2.name = @"Some…

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• Creating a MySQL trigger to verify data on another table

  - by Danny Herran

  I am trying to set up a MySQL trigger that does the following: When someone inserts data into databaseA.bills, it verifies if databaseB.bills already has that row, if it doesn't, then it does an additional insert into databaseB.bills. Here is what I have: CREATE TRIGGER ins_bills AFTER INSERT ON databaseA.bills FOR…

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• How to return a message from my repository class to my controller and then to my view in asp.net-mvc

  - by Pandiya Chendur

  I use this for checking an existing emailId in my table and inserting it...It works fine how to show message to user when he tries to register with an existing mailId.... if (!taxidb.Registrations.Where(u => u.EmailId == reg.EmailId).Any()) { taxidb.Registrations.InsertOnSubmit(reg); …

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• Oracle checking existence before deletion in a trigger

  I have analyzed a hibernate generated oracle database and discovered that a delete of a row from a single table will spawn the firing of 1200+ triggers in order to delete the related rows in child tables. The triggers are all auto-generated the same - an automatic delete of a child row without…

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• This page calls for XML namespace declared with prefix br but no taglibrary exists

  - by Christopher W. Allen-Poole

  I just finished the Netbeans introduction to Hibernate tutorial ( http://netbeans.org/kb/docs/web/hibernate-webapp.html#01 ) and I am getting the following error: "This page calls for XML namespace declared with prefix br but no taglibrary exists" Now, I have seen a similar question somewhere…

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• Entity Framework: An object with the same key already exists in the objectstatemanager

  - by NealR

  I see that this question has been asked a lot, however I haven't found anything yet that solves the problem I'm having. Obviously i'm using the Entity Framework to perform an update to a record. Once the updates are complete, however, whenever I try to save I get the following error message:…

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• Resque Runtime Error at /workers: wrong number of arguments for 'exists' command

  - by Superflux

  I'm having a runtime errror when i'm looking at the "workers" tab on resque-web (localhost). Everything else works. Edit: when this error occurs, i also have some (3 or 4) unknown workers 'not working'. I think they are responsible for the error but i don't understand how they got here Can…

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• checking if records exists in DB, in single step or 2 steps?

  - by Sinan

  Suppose you want to get a record from database which returns a large data and requires multiple joins. So my question would be is it better to use a single query to check if data exists and get the result if it exists. Or do a more simple query to check if data exists then id record…

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• C# How to check if an FTP Directory Exists

  - by Billy Logan

  Hello Everyone, Looking for the best way to check for a given directory via FTP. currently i have the following code: private bool FtpDirectoryExists(string directory, string username, string password) { try { var request =…

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• C# Modify Connection String that exists inside a library

  - by LnDCobra

  I have a Class Library, which inside just has a DataSet (MySQL connector) and a Connector class. I use this class in multiple projects to connect to the database, and I always had the password embedded in the connection string but now I…

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• Check if Internet Connection Exists with Javascript?

  - by viatropos

  How do you check if there is an internet connection using Javascript? That way I could have some conditionals saying "use the google cached version of JQuery during production, use either that or a local version during development,…

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• C# Check if character exists in encoding

  - by Alvin Wong

  I am writing a program that a part renders a bitmap font in CP437. In a function that renders the text with I want to be able to check whether a char is available in CP437 before the encoding conversion, like: public static void…

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• Fluent NHibernate - How to map a non nullable foreign key that exists in two joined tables

  - by vakman

  I'm mapping a set of membership classes for my application using Fluent NHibernate. I'm mapping the classes to the asp.net membership database structure. The database schema relevant to the problem looks like this: ASPNET_USERS…

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• Visual Studio 2010 Web Developer Express Tools.Attach to Process is not exists

  - by loviji

  Hello, I have loaded Web Site from HDD. Now trying attach it to process WebDev.WebServer.EXE. But in this edition of VS not exist tool Attach To Process. Is it normal? if yes, how can add this tool or solve my needs?

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• jqGrid problem, expecting jQuery.jgrid but $.jgrid exists instead

  - by Sam

  I'm using jqGrid for a JIRA plugin and have included the jquery and jqgrid libraries as web resources. I've set up a column in jqGrid as required and when I try to submit the form with the respective column empty I get an error…

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• Getting Error "Namespace Name "Contacts" Does Not Exists" in spite of using using "Google.GData.C

  - by Pari

  I want to create Contact on Google Apps. I am Using this API And referring this link In below code i am using "Using Google.GData.Contacts" : using Google.GData.Contacts; // Using Google.GData.Contacts using…

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• HashSet versus HashTable w.r.t searching if an item exists

  - by halivingston

  HashSet<T> t = new HashSet<T>(); // add 10 million items HashTable<T> t = new HashTable<T>(); // add 10 million items. Whose .Contains method will return quicker?

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• How to check if an array value exists

  - by Uffo

  How can I check this: $something = array('say' => 'bla', 'say' => 'omg'); How can I check if the $something['say'] has the value of 'bla' or 'omg' Best Regards,

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• Download existing file from IIS results in File does not exists (404)

  - by john

  Hi I have a full working web site that i ported to a new hosting company. In some pages i have links to PDF on the server (they do exist!) On the old server no problem. On the new one when user clicks on the link :…

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• Using RouteExistingFiles to block access to existing files even if no route exists

  - by Michael Stum

  In ASP.net MVC 2, I can use routes.RouteExistingFiles = true; to send all requests through the routing system, even if they exist on the file system. Usually, this ends up hitting the "{controller}/{action}/{id}"…

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• android activity class does not exists?

  - by user975234

  I have been developing a project in eclipse for an android app. An error which i frequently get is that of- activity class does not exist. But when i just save the manifest file once again the error vanishes and…

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