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Initialize array in O(1) -- how is this trick called?

- by user946850

There is this pattern that trades performance of array access against the need to iterate it when clearing it. You keep a generation counter with each entry, and also a global generation counter. The "clear" operation increases the generation counter. On each access, you compare local vs. global generation counters; if they differ, the array has been reset. This has come up in StackOverflow recently, but I don't remember if this trick has an official name. Does it? One use case is Dijkstra's algorithm if only a tiny subset of the nodes has to be relaxed, and if this has to be done repeatedly.

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How does having assets saved on a secondary domain(s) reduce the load time of the website?

- by AAA

I went for an interview yesterday where I was asked this question: "How does having assets (images/videos) stored on a secondary domain (assets.example.com) reduce the load time of example.com?" To that I answered that by having the code "call" those assets from a secondary website it reduces the traffic that is coming to the main domain and therefore only applying bandwidth to the main domain vs having to also serve bandwidth to request assets. Is that correct? Also, If i am correct, would you say it makes sense to start new websites with this in mind or do you prefer having it done after large traffic rates are achieved?

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40% des propriétaires de BlackBerry échangeraient pour un iPhone et 32% pour un Nexus One, selon le

40% des utilisateurs de BlackBerry échangeraient pour un iPhone et 32% pour un Nexus One, selon le dernier sondage de Crowd Science. Un sondage réalisé par Crowd Science montre que 40% des utilisateurs de BlackBerry sont prêts à passer à l'iPhone au prochain changement de leurs Smartphones, et 32% échangeraient pour le Nexus One. [IMG]http://djug.developpez.com/rsc/Blackberry-vs-n1-iphone.jpg[/IMG] Selon John Martin, le PDG de Crowd Science ces chiffres peut être expliqués par l'impatience des utilisateurs de BlackBerry qui n'ont pas vu leurs plateformes évoluer depuis la sortie de l'iPhone. Ce sondage montre que 33% des propriétaires d'iPhone et 16% des propriétaires de Bl...

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OpenJDK ? Nashorn ?????????

- by Homma

???? Nashorn ? OpenJDK ??????????????????Nashorn ? OpenJDK ????????????????????????????????????????????????????????????????????????????????? ????? ??? jlaskey ??? Nashorn Blog ????????????? https://blogs.oracle.com/nashorn/entry/the_vote_is_in ???????? ?? ?????????????????????????????? Jim Laskey ???????????? Nashorn ??????????? [1] ? ????????? ??: 20 ??: 0 ??: 0 ??????????????????????????????? ????????????????????????????????? -John Coomes [1] http://mail.openjdk.java.net/pipermail/announce/2012-November/000139.html

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???????????!??????·?????

- by Kumiko Fujita

“???????????!”???? “???????????!”????????????·????????????????????????????????????????????????????????????? ???????????????????????????????????????????????! ??????????·????? ??????·????????????????????????????????????????????????24??365??????????·??????????????????????????????????????????????????????????·????????????????????? ????????????????????????????????????????????????????????????????????????????????????????·???????????????????/??/????????????????????????????????????DBA?????????????·?????????????????????????????????????????????! ???? ????? ????? ??????????·??????? ???????!? ??????&?????? PDF??(WMV)??(MP4) ??????? ????????????-????????????????? PDF??(WMV)??(MP4) RMAN??? ??!! ??????·????~?????? VS RMAN ?????????~ PDF??(WMV)??(MP4) ?????????!????????? ??!! ??????·????~???????????????????????~ PDF??(WMV)??(MP4) ????????? ????????????????????????????? PDF??(WMV)??(MP4) ???? ?????????????|???????????

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???????/???Windows?RAC??!??????????

- by Yusuke.Yamamoto

????? ??:2010/09/01 ??:??????/?? Windows ? RAC ????????????MSCS ???HA????????Oracle Database 11g R2 ?? RAC ???·??????????? Windows Server?Oracle Database????/ Windows ???????? Oracle DatabaseMSCS/MSFC + OFS???HA??????/ OFS ???MSCS/MSFC vs. RACRAC on Windows ?????/ Oracle Database 11g R2 ?? RAC ????11g R2 RAC ???·??TIPS?.NET ?????? RAC ?? ????????? ????????????????? http://otndnld.oracle.co.jp/ondemand/otn-seminar/movie/RAConWin_09011500.wmv http://www.oracle.com/technetwork/jp/content/20100901-raconwindows-251670-ja.pdf

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Can't change text color in Microsoft Word 2010

- by Wesley

I have Microsoft Office 2010 32-bit running on Windows 7 32-bit. When text is highlighted and a color is selected from the mini-toolbar or the ribbon, the text does not change color. If I change the color for multiple words, and select a different color for each word, the toolbar and ribbon will reflect each of the different colors that I chose, however it is not displayed in the document. So it appears that Word is aware of the text color and not as if it is simply not applying the change. What may be causing this inability to view text colors and how might I fix it? My only troubleshooting attempt so far has been to perform a repair installation of Office. EDIT 1 I created a document, typed a word, selected it and changed the color. I then saved the document as HTML. The text did not change color. This is the HTML in the document: <html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40"> <head> <meta http-equiv=Content-Type content="text/html; charset=windows-1252"> <meta name=ProgId content=Word.Document> <meta name=Generator content="Microsoft Word 14"> <meta name=Originator content="Microsoft Word 14"> <link rel=File-List href="Document_1_files/filelist.xml">  <link rel=themeData href="Document_1_files/themedata.thmx"> <link rel=colorSchemeMapping href="Document_1_files/colorschememapping.xml">  <style>  </style>  </head> <body lang=EN-US style='tab-interval:.5in'> <div class=WordSection1> <p class=MsoNormal><o:p> </o:p></p> <p class=MsoNormal><span class=GramE><span style='color:red'>blah</span></span><span style='color:red'><o:p></o:p></span></p> </div> </body> </html> EDIT 2 I recorded a macro and did the following: Typed a word Selected the word Changed the color. Oddly, I had some strange issues while the macro was recorded. I could not select text with my cursor. I had to select the text with control a and then apply the color change. I then couldn't deselect the selected text. Nonetheless, the text showed that it had a different color in the toolbar, but the color did not display in the document. Here's the macro: Sub Change_Text_Color() ' ' Change_Text_Color Macro ' ' Selection.TypeText Text:="Test Text" Selection.WholeStory Selection.WholeStory End Sub EDIT 3 I opened WordPad and created some text and was able to successfully change the color. If I copy and paste the colored text into a Word 2010 document, the color is lost. However, if you place the I-beam in the text and then look at the color selection drop-down menu on the ribbon or mini-toolbar, you can see that the proper color that the text should be in is highlighted. Edit 4 I uninstalled the entire Office 2010 Suite, rebooted and then reinstalled the suite. No change in behavior. Edit 5 Text cannot be colored in Excel either.

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HttpUtility.UrlEncode in console application

- by iar

I'd like to use HttpUtility.UrlEncode in a console application, VB.NET, VS 2010 Beta 2. System.Web.HttpUtility.UrlEncode(item) Error message: 'HttpUtility' is not a member of 'Web'. In this question Anjisan suggests to add a reference to System.Web, as follows: In your solution explorer, right click on references Choose "add reference" In the "Add Reference" dialog box, use the .NET tab Scroll down to System.Web, select that, and hit ok However, I don't have a System.Web entry at that location.

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Flat File Connection Manager in SSIS package shows "Valid File Name Must be Selected"

- by Traples

(Flat File Location) Samba Share | Windows Share (SSIS) _______________________________ | | XP 32bit | Works | Works | | 2003 Serv 32bit | Works | Works | | Vista 64bit | ERROR | Works | | Win 7 64bit | ERROR | Works | | 2008 Serv 64bit | ERROR | Works I created an SSIS package in VS 2008 that parses a flat file from a shared folder and puts the records into a SQL Server db. I recently installed Windows 7 and VS 2008 on a new workstation. When I import the package from TFS and open it, I get the error Validation error. Parse and Import Catalog Flat File: MySSISPackage: The file name "\\shared\flatfile.txt" specified in the connection was not valid. When I open the Flat File Connection Manager Editor, there is an error stating: A valid file name must be selected I can browse to and select the file from inside the editor, but I cannot change any properties, or move away from the General tab because of this error. If I go back to my laptop (Windows XP), where the package was first created, there is no error. Both workstations are on the same domain, and I'm logging in using the same credentials. Any ideas as to why I would receive this error from one workstation and not another? UPDATE: If I take the .dtsx package from the running workstation and load it into SSIS on the server, I get the following errors when it tries to run: Error: The file name "\\shared\flatfile.txt" specified in the connection was not valid. and... Error: Connection "MySSISPackage" failed validation. and... Error: The file name property is not valid. The file name is a device or contains invalid characters. UPDATE 2: a) The Shared folder I'm trying to pull the flat file from is a Samba share on a Unix box. b) If I access the file using SSIS on any 64-bit platform (Windows 7 64-bit, Vista 64-bit, Windows Server 2008) I get the error "A valid file name must be selected." c) Accessing the file using SSIS from 32-bit environments (Windows XP 32-bit, Windows Server 2003 32-bit) there is no problem. d) If I move the file to a shared folder on a Windows server, 64-bit SSIS recognizes the file.

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Plot numpy datetime64 with matplotlib

- by enedene

I have two numpy arrays 1D, one is time of measurement in datetime64 format, for example: array([2011-11-15 01:08:11, 2011-11-16 02:08:04, ..., 2012-07-07 11:08:00], dtype=datetime64[us]) and other array of same length and dimension with integer data. I'd like to make a plot in matplotlib time vs data. If I put the data directly, this is what I get: plot(timeSeries, data) Is there a way to get time in more natural units? For example in this case months/year would be fine.

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What is the difference between theme making process using Wordpress Theme and Wordpress Theme Framew

- by metal-gear-solid

What is the difference between "Wordpress Theme" and Wordpress Theme Frameworks? In terms of technicalities, Custom theme making workflow, File and folder structure, Anatomy. Wordpress default theme Vs Wordpress theme's framework's Child theme

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What is the best SOHO NAS currently available?

- by VinceJS

What is the "best" Small Office Home Office (SOHO) Network Attached Storage (NAS) device available? Best performance vs. cost that is! I am looking for one that I can use at home to safely store my pictures, videos. What features should I look for? There are so many NAS reviews on the web, how do you choose the right one?

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What is difference between Interaction design, Visual Design, Web design, UX design, UI design, UI d

- by rajakvk

What is difference between Interaction design, Visual Design, Web design, UX design, UI design, UI development? BTB, link found below answered for UI Vs UX. http://stackoverflow.com/questions/1334496/difference-between-ui-and-ux

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complete project of the book -- “ASP.NET 3.5 Social Networking” by Andrew Siemer

- by user287745

i have been reading, using vs too to get familiar with the step followed to write the coding...... i have reached the end, all the code the third party plug-ins, references etc have been made on running the work it gives a lot of errors, some are too hard to debug. can any one please help by giving the complete website this book has taught us to make?

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Visual Studio 2010 crashes nearly every time when closing

- by Andrei Drynov

Mostly it happens if we open a team project from tfs 2008 or tfs 2010, but crashes can happen any time. When VS is closing down, it crashes nearly every time. Tried trial RTM and our MSDN download - same story. Tried on three different PCs - same issue. Tried on 32 and 64-bit Windows 7 and Windows Server 2008 R2 - crashes. Is it just our luck or does it happen to you to?

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Anybody have anyluck F# Silverlight vs2010?

- by akaphenom

Has anybody had any luck with the following combination F# 2.0 Silverlight v3 .NET Framework 4.0 VS 2010 I have been trying all night and I just can't seem to adopt any of the existing smaples out there to run... My goal is to have a silverlight application 100% backed by F#; the examples that are referenced as working are mostly C# silverlight apps calling F# Libraries. Which in practice should be fine - but I am really trying to impress my girlfriend :)

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How can I place a MFC CFormView inside a CDockablePane?

- by Tom M

Hello all, How can I place a MFC CFormView inside a CDockablePane which was introduced in the VS 2008 MFC Feature Pack? Thanks.

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Open Source C# Syntax Editor with Intellisense

- by Anindya Chatterjee

Can anyone please suggest me a good open source C# code editor control with syntax highlighting and intellisense to use in my application. I am not asking for any IDE like VS or #develop, I need only a winform code editor control so that I can use it in my application for scripting. Can you please suggest me a good one ... I found ScintillaNET, but I want some other alternative..

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Visual Studio 2010 Extension Manager crashes

- by Alexey

After installing a bunch of extensions to try out I restarted VS 2010 and it started crashing. Unfortunately, it consistently crashes when opening Tools | Extension Manager. Any ideas how to fix and avoid a complete uninstall/reinstall? Event log has this: Application: devenv.exe Framework Version: v4.0.30319 Description: The process was terminated due to an unhandled exception. Exception Info: System.AggregateException Stack: at System.Threading.Tasks.TaskExceptionHolder.Finalize()

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Entity Framework - ContextBuilder namespace

- by Matt

I apologize if this seems like an excessively dumb question. I am trying to use the ContextBuilderClass to generate my Context. I am unable to find the proper assembly and namespace to use it though. Just for reference I am on a full install of VS 2010 Pro.

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MVVM Light Toolkit throws an System.IO.FileLoadException

- by joebeazelman

I'm running VS 2010 along with Expression Blend 4 beta. I created a MVVM Light project from the supplied templates and I get a System.IO.FileLoadException when I try to view the MainWindow.Xaml in VS 2010 designer window. The template already references System.Windows.Interactivity. Here are the details of the exception: System.IO.FileLoadException Could not load file or assembly 'System.Windows.Interactivity, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35' or one of its dependencies. Operation is not supported. (Exception from HRESULT: 0x80131515) at System.Reflection.RuntimeAssembly.nLoad(AssemblyName fileName, String codeBase, Evidence assemblySecurity, RuntimeAssembly locationHint, StackCrawlMark& stackMark, Boolean throwOnFileNotFound, Boolean forIntrospection, Boolean suppressSecurityChecks) at System.Reflection.RuntimeAssembly.nLoad(AssemblyName fileName, String codeBase, Evidence assemblySecurity, RuntimeAssembly locationHint, StackCrawlMark& stackMark, Boolean throwOnFileNotFound, Boolean forIntrospection, Boolean suppressSecurityChecks) at System.Reflection.RuntimeAssembly.InternalLoadAssemblyName(AssemblyName assemblyRef, Evidence assemblySecurity, StackCrawlMark& stackMark, Boolean forIntrospection, Boolean suppressSecurityChecks) at System.Reflection.Assembly.Load(AssemblyName assemblyRef) at MS.Internal.Package.VSIsolationProviderService.RemoteReferenceProxy.VsReflectionResolver.GetRuntimeAssembly(Assembly reflectionAssembly) at Microsoft.Windows.Design.Metadata.ReflectionMetadataContext.CachingReflectionResolver.GetRuntimeAssembly(Assembly reflectionAssembly) at Microsoft.Windows.Design.Metadata.ReflectionMetadataContext.Microsoft.Windows.Design.Metadata.IReflectionResolver.GetRuntimeAssembly(Assembly reflectionAssembly) at MS.Internal.Metadata.ClrAssembly.GetRuntimeMetadata(Object reflectionMetadata) at Microsoft.Windows.Design.Metadata.AttributeTableContainer.d_c.MoveNext() at Microsoft.Windows.Design.Metadata.AttributeTableContainer.GetAttributes(Assembly assembly, Type attributeType, Func`2 reflectionMapper) at MS.Internal.Metadata.ClrAssembly.GetAttributes(ITypeMetadata attributeType) at MS.Internal.Design.Metadata.Xaml.XamlAssembly.get_XmlNamespaceCompatibilityMappings() at Microsoft.Windows.Design.Metadata.Xaml.XamlExtensionImplementations.GetXmlNamespaceCompatibilityMappings(IAssemblyMetadata sourceAssembly) at Microsoft.Windows.Design.Metadata.Xaml.XamlExtensions.GetXmlNamespaceCompatibilityMappings(IAssemblyMetadata source) at MS.Internal.Design.Metadata.ReflectionProjectNode.BuildSubsumption() at MS.Internal.Design.Metadata.ReflectionProjectNode.SubsumingNamespace(Identifier identifier) at MS.Internal.Design.Markup.XmlElement.BuildScope(PrefixScope parentScope, IParseContext context) at MS.Internal.Design.Markup.XmlElement.ConvertToXaml(XamlElement parent, PrefixScope parentScope, IParseContext context, IMarkupSourceProvider provider) at MS.Internal.Design.DocumentModel.DocumentTrees.Markup.XamlSourceDocument.FullParse(Boolean convertToXamlWithErrors) at MS.Internal.Design.DocumentModel.DocumentTrees.Markup.XamlSourceDocument.get_RootItem() at Microsoft.Windows.Design.DocumentModel.Trees.ModifiableDocumentTree.get_ModifiableRootItem() at Microsoft.Windows.Design.DocumentModel.MarkupDocumentManagerBase.get_LoadState() at MS.Internal.Host.PersistenceSubsystem.Load() at MS.Internal.Host.Designer.Load() at MS.Internal.Designer.VSDesigner.Load() at MS.Internal.Designer.VSIsolatedDesigner.VSIsolatedView.Load() at MS.Internal.Designer.VSIsolatedDesigner.VSIsolatedDesignerFactory.Load(IsolatedView view) at MS.Internal.Host.Isolation.IsolatedDesigner.BootstrapProxy.LoadDesigner(IsolatedDesignerFactory factory, IsolatedView view) at MS.Internal.Host.Isolation.IsolatedDesigner.BootstrapProxy.LoadDesigner(IsolatedDesignerFactory factory, IsolatedView view) at MS.Internal.Host.Isolation.IsolatedDesigner.Load() at MS.Internal.Designer.DesignerPane.LoadDesignerView() System.NotSupportedException An attempt was made to load an assembly from a network location which would have caused the assembly to be sandboxed in previous versions of the .NET Framework. This release of the .NET Framework does not enable CAS policy by default, so this load may be dangerous. If this load is not intended to sandbox the assembly, please enable the loadFromRemoteSources switch. See http://go.microsoft.com/fwlink/?LinkId=155569 for more information.

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Is SoapHttpClientProtocol thread safe?

- by Mike Gleason jr Couturier

Hi, I created a Web Service proxy with the "add web reference" feature of VS 2008 (c#). The generated class derives from SoapHttpClientProtocol Can I store only one instance of my proxy in a singleton? Is it thread safe? Is there state between calls that would prevent me from doing this? Thanks!

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What is wrong with ToLowerInvariant()?

- by JL

I have the following line of code: var connectionString = configItems.Find(item => item.Name.ToLowerInvariant() == "connectionstring"); VS 2010 Code analysis is telling me the following: Warning 7 CA1308 : Microsoft.Globalization : In method ... replace the call to 'string.ToLowerInvariant()' with String.ToUpperInvariant(). Does this mean ToUpperInvariant() is more reliable?

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What does the new <%: %> encoding syntax in Visual Studio 2010 do?

- by Adrian Grigore

Hi, Scott Hanselman's latest blog entry about the new VS 2010 features mentions "the new <%: % encoding syntax". What does it do? Searching for these tags with google doesn't seem to be possible... Thanks, Adrian

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Using ILDASM with Visual Studio 2008

- by pianoman

I just installed Visual Studio 2008, and am looking to use the Microsoft Intermediate Language Disassembler (ILDASM.exe) to look at some DLLs. Problem is, "ildasm" is not recognized on the command line, and I cannot find ildasm.exe anywhere in my VS 2008 install directory (e.g. c:\programs\Visual_Studio_9.0\). Any ideas? UPDATE: Found it! At C:\Program Files\Microsoft SDKs\Windows\v6.0A\bin This answer helped.

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