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• question about sorting

  - by skydoor

  Bubble sort is O(n) at best, O(n^2) at worst, and its memory usage is O(1) . Merge sort is always O(n log n), but its memory usage is O(n). Which algorithm we would use to implement a function that takes an array of integers and returns the max integer in the collection, assuming that the length of the array is less than 1000. What if the array length is greater than 1000?

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• Is there a way to unit test an async method?

  - by Jiho Han

  I am using Xunit and NMock on .NET platform. I am testing a presentation model where a method is asynchronous. The method creates an async task and executes it so the method returns immediately and the state I need to check aren't ready yet. I can set a flag upon finish without modifying the SUT but that would mean I would have to keep checking the flag in a while loop for example, with perhaps timeout. What are my options?

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• Making REST calls only available to local applications?

  - by colorfulgrayscale

  Suppose I have a url like http://mysite.com/get-users which returns a JSON object of all users. But, I don't want anyone (or any bots) to be able to go to this url to fetch this information. I want it to only respond to calls from other local modules in the same website. How would I go about implementing someting like this?

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• Net::HTTP::Unauthorized - how do I get at the WWW-Authenticate header?

  - by Chris McCauley

  Given the code below ... Net::HTTP.start('localhost', 4000) do |http| # # usual stuff omitted for clarity # @response = http.request(req) end ... if a (well behaved) server returns a 401 (Unauthorized) response, how do I get at the WWW_Authenticate header? Chris

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• sql inValid Object Name how to solve it?

  - by Phsika

  error returns to me in below codes:Msg 208, Level 16, State 1, Line 1 Invalid object name 'ENG_PREP'. insert into ENG_PREP VALUES('572012-01-1,572012-01-2,572012-01-3,572013-01-1,572013-01-2', '', '500', '', 'A320 P.001-A', 'Removal of the LH Wing Safety Rope', '', '', '', '0', '', 'AF', '12-00-00-081-001', '', '', '', '', '', '', '' )

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• How to get the list of SqlInstances of a paricular machine

  - by Cute

  Can anyone tell me how to get remote Sqlserver instances using c# and SMO or any api? I have a remote server name "RemoteMC", which has 2 instances of sql server: "RemoteMc" and "RemoteMC\sqlexpress" I try to get the instances in code like this: Server srv=new Server("RemoteMC"); DataTable dt=SmoApplication.EnumAvailableSqlServer(true); But it returns "Host\sqlexpress" I don't know what went wrong. How can I get the result back as: RemoteMC RemoteMC\sqlexpress; ?

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• silverlight authentication

  - by user291400

  Good day! I have an silverlight site (silverlight navigation application) and I want clients to log in on my site. I want to give them different rights of viewing pages. A WCF service gives me true or false when I enter a login and a password. Then, if it returns true, I want to remember the logged user. How can I do it? Using cookies or global variable or something else?

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• parsing xml data from a google api

  - by pankaj

  Hi, i have a google map link which returns a xml to me. I want values of a specific tag from that xml. can some one suggest me how will i do it. Link: http://maps.google.com/maps/api/geocode/xml?address=1270 Broadway Ste 803, New York, NY 10001, USA&sensor=false

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• NSScrollView - pattern background - how to start from top-left corner?

  - by dzolanta

  To fill NSScrollview with pattern image I use - (void)setBackgroundColor:(NSColor *)aColor method where aColor is created with + (NSColor *)colorWithPatternImage:(NSImage *)image method. Despite of what isFlipped returns for NSScrollView and its content view, pattern start repeat from bottom-left corner while I want it to start from top-left corner. How can I achieve that?

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• Creating a tool dockable window for visual studio

  - by Morgeh

  So I have a web service system for mananging development projects, what I would like to do is create a visual studio plugin that accesses the web service and returns a list of tasks for the current users (via some sort of login). Looking round the internet I can't find any good examples or tutorials on how to create a visual studio plugin that can be docked to the bottom of the screen (same place as error list, test results, etc) Does anyone know of a good website I can look at for examples or tutorials of the basics of creating a visual studio plugin, specifically for VS2008?

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• Instantiating ServiceController takes sometimes too much time

  - by mrbamboo

  Hi, i am creating an instance of ServiceController using a remote/local machine name and the name of the service. When I type sth. like stackoverflow.com as machine name the contructor blocks for a long time and returns an exception. Example: string MachineName = "stackoverflow.com" ServiceController("RemoteRegistry", MachineName ); How can I set here a kind of timeout to cancel this process?

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• Disabling email-style usernames in Django 1.2 with django-registration

  - by shacker

  Django 1.2 allows usernames to take the form of an email address. Changed in Django 1.2: Usernames may now contain @, +, . and - characters I know that's a much-requested feature, but what if you don't want the new behavior? It makes for messy usernames in profile URLs and seems to break django-registration (if a user registers an account with an email-style username, the link in the django-registration activation email returns 404). Does anyone have a recipe for restoring the old behavior and disabling email-style usernames?

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• Can nginx run a unix command based on url?

  - by Geuis

  Is it possible to configure nginx to run a unix command based on a url? For example: http://localhost/list/usr/local This runs: ls /usr/local Then returns the results?

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• jqGrid search/filter data api

  - by McLovin

  I've already read all available documentation and I cannot find a solution. I have a calendar outside of the grid which on click returns a date. All I need to do is filter my jqGrid based on that date. Can someone point me to the correct API method? Thanks!

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• System.ServiceModel.Syndication authentication

  - by Enriquev

  How can I use authentication with System.ServiceModel.Syndication to read a private RSS? The code I use right now just returns forbidden. I have tried adding &PASS=password and &PASSWORD=password to the URL but it doesnt help. try { using (XmlReader reader = XmlReader.Create("http://trac:8080/Project/report/7?format=rss&USER=enr")) { tracFeed = SyndicationFeed.Load(reader); } } catch (Exception ex) { MessageBox.Show(ex.Message); }

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• WMI: Editing the Registry Remotely

  - by Quanta

  I'm trying to use the following code (poorly written, but it's just a proof of concept) to edit the registry of a computer on a domain. I have a domain account, and I've verified that the domain admin group is present in the local admin group on the machines I'm attempting to affect. I've connected to these other machines to perform other administrative type tasks, so I'm sure that I have administrative privileges on these hosts. All of StdRegProv's "get" methods work fine (http://msdn.microsoft.com/en-us/library/aa393664%28VS.85%29.aspx) but the "set" or "create" methods as well as check access all return "5" which is "Error_Access_Denied" according to winerror.h. So there's the problem: why do I get access denied when attempting to modify the registry? If anyone can help me figure this out, you'd have my utmost appreciation! I almost forgot, when I fire up Visual Studio in admin mode on my local machine and run the code against the local machine, it works flawlessly. If I don't start in admin mode on the local machine, the code fails, so I suspect there's a UAC problem maybe? using System; using System.Management; public class EditRemoteRegistry { public static void Main(string[] args) { ConnectionOptions options = new ConnectionOptions(); options.EnablePrivileges = true; options.Impersonation = ImpersonationLevel.Impersonate; options.Password = "password goes here"; //options.Authority = "my company's domain"; //options.Username = "Admin username"; ManagementScope scope = new ManagementScope("\\\\arbitraryhost\\root\\default", options); scope.Connect(); ManagementClass mc = new ManagementClass("StdRegProv"); ManagementBaseObject inParams = mc.GetMethodParameters("CreateKey"); inParams["hDefKey"] = (UInt32)2147483650; inParams["sSubKeyName"] = "Software\\Test"; ManagementBaseObject outParams = mc.InvokeMethod("CreateKey", inParams, null); //Should return a 0, but returns a 5, "Error_Access_Denied" Console.WriteLine("CreateKey Method returned " + outParams["returnValue"]); //This chunk works fine ManagementBaseObject inParams5 = mc.GetMethodParameters("GetDWORDValue"); inParams5["hDefKey"] = 2147483650; inParams5["sSubKeyName"] = "Software\\Test"; inParams5["sValueName"] = "testDWORDvalue"; ManagementBaseObject outParams5 = mc.InvokeMethod("GetDWORDValue", inParams5, null); Console.WriteLine("GetDWORDValue returned " + (UInt32)outParams5["returnValue"] + " "); Console.WriteLine((UInt32)outParams5["uValue"]); ManagementBaseObject inParams6 = mc.GetMethodParameters("SetStringValue"); inParams6["hDefKey"] = 2147483650; inParams6["sSubKeyName"] = "Software\\Test"; inParams6["sValueName"] = "TestStringValue"; inParams6["sValue"] = "Hello World!"; ManagementBaseObject outParams6 = mc.InvokeMethod("SetStringValue", inParams6, null); //Should return a 0, but returns a 5, "Error_Access_Denied" Console.WriteLine("SetStringValue returned " + outParams6["returnValue"]); Console.ReadKey(); } }

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• Reusing xalan transformer causing its extension functions break

  - by Leslie Norman

  I am using xalan 2.7.1 to validate my xml docs with xslt style sheet. It works fine for the first document and returns error message in case of error along with correct line and column number of xml source by making use of NodeInfo.lineNumber and NodeInfo.columnNumber extensions. The problem is when I try to reuse transformer to validate other xml docs, it successfully transforms the document but always returns lineNumber=columnNumber=-1 for all errors. Any idea? Here is my code: TransformerFactory tFactory = TransformerFactory.newInstance("org.apache.xalan.processor.TransformerFactoryImpl", null); tFactory.setAttribute(TransformerFactoryImpl.FEATURE_SOURCE_LOCATION, Boolean.TRUE); StreamSource xsltStreamSource = new StreamSource(new File("E:\\Temp\\Test\\myXslt.xsl")); Transformer transformer=null; try { transformer = tFactory.newTransformer(xsltStreamSource); ByteArrayOutputStream outStream = new ByteArrayOutputStream(); File srcFolder = new File("E:\\Temp\\Test"); for (File file :srcFolder.listFiles()) { if (file.getName().endsWith("xml")) { transformer.transform(new StreamSource(file), new StreamResult(outStream)); transformer.reset(); } } System.out.println(outStream.toString()); } catch (TransformerException e) { e.printStackTrace(); } Edit: New code after implementing @rsp suggestions: package mycompany; import java.io.File; import javax.xml.transform.ErrorListener; import javax.xml.transform.Source; import javax.xml.transform.Transformer; import javax.xml.transform.TransformerException; import javax.xml.transform.TransformerFactory; import javax.xml.transform.stream.StreamResult; import javax.xml.transform.stream.StreamSource; import org.apache.xalan.processor.TransformerFactoryImpl; public class XsltTransformer { public static void main(String[] args) { TransformerFactory tFactory = TransformerFactory.newInstance("org.apache.xalan.processor.TransformerFactoryImpl", null); tFactory.setAttribute(TransformerFactoryImpl.FEATURE_SOURCE_LOCATION, Boolean.TRUE); StreamSource xsltStreamSource = new StreamSource(new File("E:\\Temp\\Test\\myXslt.xsl")); try { Transformer transformer = tFactory.newTransformer(xsltStreamSource); File srcFolder = new File("E:\\Temp\\Test"); for (File file : srcFolder.listFiles()) { if (file.getName().endsWith("xml")) { Source source = new StreamSource(file); StreamResult result = new StreamResult(System.out); XsltTransformer xsltTransformer = new XsltTransformer(); ErrorListenerImpl errorHandler = xsltTransformer.new ErrorListenerImpl(); transformer.setErrorListener(errorHandler); transformer.transform(source, result); if (errorHandler.e != null) { System.out.println("Transformation Exception: " + errorHandler.e.getMessage()); } transformer.reset(); } } } catch (TransformerException e) { e.printStackTrace(); } } private class ErrorListenerImpl implements ErrorListener { public TransformerException e = null; public void error(TransformerException exception) { this.e = exception; } public void fatalError(TransformerException exception) { this.e = exception; } public void warning(TransformerException exception) { this.e = exception; } } }

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• SSRS csv export

  - by Lijo

  Hi Team, I am working on SSRS 2005. I have a column that has a comm to be displayed. I write it in the header; but the SP returns without comma for the column header. When I export the report to csv, the column names are taking the name of the text box with is not having comma. Is there a way to display comma in the header when exported to csv? Thanks Lijo

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• ASP.NET Get previous page, using MasterPage

  - by burntsugar

  I need to access the previous page URL but because I am using a MasterPage, I am having difficulty achieving this. Request.UrlReferrer This only returns the URL of the current page.

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• How to determine an invalid CFSocket

  - by Chris

  Hi Everyone, how can I avoid, to send data via CFSocketSendData to an invalid socket? I've try to determine the socket state with CFSockerIsValid, but this method returns still true when the other side is close. So how can I determine if the socket is valid? In order so avoid Errors. Thank Chris

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• Extracting value in Beautifulsoup

  - by Seth

  I have the following code: f = open(path, 'r') html = f.read() # no parameters => reads to eof and returns string soup = BeautifulSoup(html) schoolname = soup.findAll(attrs={'id':'ctl00_ContentPlaceHolder1_SchoolProfileUserControl_SchoolHeaderLabel'}) print schoolname which gives: [<span id="ctl00_ContentPlaceHolder1_SchoolProfileUserControl_SchoolHeaderLabel">A B Paterson College, Arundel, QLD</span>] when I try and access the value (i.e. 'A B Paterson College, Arundel, QLD) by using schoolname['value'] I get the following error: print schoolname['value'] TypeError: list indices must be integers, not str What am I doing wrong to get that value?

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• Iframe Height

  - by Saravanan

  I am using Jquery to control the height of Iframe. jQuery("iframe",top.document).contents().height(); It's working for Increment of Iframe. When Iframe height decrease its not working.It returns the old value only. Anbody know why this is happening?

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• Selecting a user-defined scalar function that takes as a parameter another field

  - by ghills

  I have a table a with a list of id's, and a user-defined function foo(id) that takes the id and returns a VARCHAR(20). What I am trying to do is: SELECT id, foo(id) AS 'text field' FROM a However, instead of calling the function for each ID number, like I desired, the text comes back the same for every row. I have tested the foo() function manually with the returned ID's and it does not have that problem, so I realize I must not understand something about the evaluation of the query.

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• JSON schema validation using java

  - by tomdee

  I'm writing some acceptance tests for a java webapp that returns JSON objects. I would like to verify that the JSON returned validates against a schema. Can anyone suggest any tools for this?

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• What are 'len', 'dir', 'vars' named?

  - by johannix

  I was wondering what language to use when talking about a function that takes in a specific object, acts on it and returns something else. Clearly they're functions, but I was wondering if there's a more specific term. A couple examples of Python built-in functions that fit this spec are: 'len', 'dir', 'vars' I thought it was 'predicate', but apparently that's specific to functions that return a boolean value.

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