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  • Recursive only 2 level records using common sql

    - by Tony
    I have an Employee table, it's a self-referencing table, with managerId refers to primary key empID. I want to find 2 level records by a given empId. For example: if given empId=5, if empId=5 has children records, display them, as well as the children in children records. You may also provide a recursive suggestion without level limitation. The database is SQL Server 2005.

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  • Would a pointer to a pointer to nil match against NULL?

    - by dontWatchMyProfile
    Example: A validation method contains this check to see if an NSError object shall be created or not: - (BOOL)validateCompanyName:(NSString *)newName error:(NSError **)outError { if (outError != NULL) { // do it... Now I pass an NSError object, like this: NSError *error = nil; BOOL ok = [self validateCompanyName:@"Apple" error:&error]; I'm not sure if this matches the check for not NULL. I think it's not NULL, since I believe NULL is not nil. Maybe someone can clear this up?

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  • Upload an image from JSON with rails

    - by Dougui
    I have an application created with PhoneGap and Backbone. I upload a file as JSon and my server receive data like this : data:image/jpeg;base64,/9j/4AAQSkZJRgABAQAAAQABAAD/... I'm trying to write the file like this : File.open("#{Rails.root}/public/images/#{self.id}.jpg", "w+") do |f| f.write(data) end It's not working and I don't know what to do. When I'm trying to open the file I have this message "Not a JPEG file: starts with 0x64 0x61". Do you have a solution?

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  • Skipp default parameters in Delphi

    - by Vijay Bobba
    Hi Is there any way to skip the default params, say suppose my method declaration is like this: procedure Myfunc1(var isAttr1: Boolean = FALSE; isAttr2: Boolean = FALSE; isAttr3: Boolean = FALSE); I can't call the function like this: Self.Myfunc1( , , Attr3); because I don't want unnecessary var declarations, at the same time I want the last param return value (it is a var type) Thank for help in advance

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  • include link list depending on category

    - by user117701
    I want to display the linklist widget only on a certain category. The current way the sidebar is fetched is: if (!function_exists('dynamic_sidebar') || !dynamic_sidebar(1)) Which doesnt give me a say in the calling of the links widget. If i put an if clause there, then the rest of the widgets dont get loaded. So i either need to customize the links widget it self or find a way to call the links widget directly? And how do i check which category i'm on?

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  • Ruby xml rpc error handilng

    - by stel
    I have a model class Car @@RPCServer = XMLRPC::Client.new("localhost", "/", 8080) def self.count @@RPCServer.call("cars.count") end end If server is not running on localhost:8080 I've got a Errno::ECONNREFUSED error. I want to display an error message to user, how can a handle this error?

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  • SQL Exception error??

    - by Kyle Sevenoaks
    I just came into work and found this where our site should be: SQLException ERROR: connect failed [Native Error: Host 'linux7.fastname.no' is blocked because of many connection errors; unblock with 'mysqladmin flush-hosts'] [User Info: Array] What does it mean? www.euroworker.no

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  • Can i use a model object directly in a find

    - by user340100
    Hi, Can i pass a_teacher directly into the find? or do i have to compare each of its attributes as i have done here? thanks a_teacher = Techer.new(:name => "Bob", :age => 30) self.classes.all(:conditions => ["teacher.name = ? AND teacher.age = ?", a_teacher.name,a_teacher.age], :joins => :teacher)

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  • How do I remove the alert: "...may not respond to..."

    - by balexandre
    In my .m file I call a method that is inside the same .m file. In the header I have the correct import for the header but I keep getting this alert: What am I doing wrong? What should I do in order to make this error disappear? I'm kinda lost here :-( Even if I changed this to: NSString *path = [[NSString alloc] initWithString:@"...."]; [self parseXMLFileAtURL:path]; [path release];

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  • java app behind proxy to use http_proxy variable in linux

    - by rbbeltran
    hello java guys, im thinking of a simple java app (command line) that connects to the internet to download xml file, the problem is that my ubuntu is using a proxy to connect to internet with username and password (tru http_proxy ="http://:@:" ). So My question is, could it be possible to write a java app to use http_proxy variable? instead of programmatically setting http proxy and host in every app i will write.

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  • Dynamically hosting new domains on Apache

    - by Kunal
    I'd like to dynamically be able to host client's domains, with just having to provide them instructions like this: http://www.tumblr.com/docs/en/custom_domains I'm running a pretty typical LAMP stack; any good tutorials for configuring this on both the Apache and PHP side?

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  • how can i update my dynamic ip with curl php

    - by testkhan
    i have registered a domain and now i want to host it on my own home server ... i want to setup a system with php curl so that i login to my domain website and update my name servers i.e http://mycompany.com/webhosting/domain/manage.php?action=showNS&domain_id=10003489 i want to login to that site and auto update my dynamic ip address...

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  • UIView viewWithTag 0 problem

    - by leon
    Hi, On view in IB I have numerous items (including view itself). ONLY one item has tag 0, yet following line works for ANY UITextBox other then the one with tag 0. Note that only ONE UITextBox has tag 0, why: (UITextField *) [self.view viewWithTag:0]).text = @"foo"; Interesting that when triggered event received for the element with tag 0, I can get value of Tag 0 with no problem. Is there a limitation to look for tag 0 elements?

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  • Rails and Python hosting problem

    - by maxxtack
    I am trying to host some files/rails app in the port 8080 for external access. For python I am using the SimpleHTTPServer module, and for rails, webrick. However, both of them does not work very well. I don't get the response back, and, sometimes, if I get it, it's VERY slow. Nevertheless, apache works very well on the port 8080 (i am not running them at the same time). What is going on?

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  • SQL Server using SSH-tunnel from Visual Studio

    - by pbt
    Hi, I recently contacted a web host regarding support for external database access to a Microsoft SQL Server database included in a package they offer. They replied saying that it is only possible with an SSH-tunnel. Is it possible to connect to a SQL Server database in Visual Studio using an SSH-tunnel? It is important for me to be able to access the database from my local machine (for debugging, generating LINQ classes, editing tables, etc). Or, how should I go about working with their database?

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  • Iphone sdk : Where to put code for a grouped table.

    - by Dave
    I have a root view controller with no nib file, I tried adding this at cellForRowAtIndexPath as that passes in a UITableView as tableView. So I put : tableView = [[UITableView alloc] initWithFrame:self.view.frame style:UITableViewStyleGrouped]; It ran with no error but it didnt seem to change anything.

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  • Find the end/finish coordinates you a UISwipeGestureRecognizer

    - by Code
    I can find the start coordinates of where a swipe starts by doing the following - (void)oneFingerSwipeUp:(UISwipeGestureRecognizer *)recognizer { CGPoint point = [recognizer locationInView:[self view]]; NSLog(@"Swipe up - start location: %f,%f", point.x, point.y); } Is it possible to find the coordinates where the swipe ended? I looked into the docs and its not mentioned. Is there some work around for this? Many Thanks, -Code

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