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  • Timing the Linux Kernel boot-time optimisation

    - by CVS-2600Hertz-wordpress-com
    I am trying to optimise the boot-up time of linux on an embedded device (not PC) Currently to profile the boot-up sequence, I have enabled the timing info on printk logs. Is this the most optimum way? If not, how do i profile the boot-up sequence (with timing) with minimum overhead? PS: I have a terminal (of the device) over a serial-connection & I use TeraTerm over windows-XP to access it.

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  • Authenticating a single request with httpclient 4.x

    - by scompt.com
    I have an HttpClient instance that's shared by a number of threads. I would like to use it to make a single authenticated request. Because only the single request should be authenticated, I don't want to modify the HttpClient instance as described in the documentation. Here's what I've worked out instead, which isn't working. From what I can tell, it doesn't look like the CredentialsProvider is being used at all. Any tips? HttpContext context = null; if(feedSpec.isAuthenticated()) { context = new BasicHttpContext(); CredentialsProvider credsProvider = new BasicCredentialsProvider(); credsProvider.setCredentials(AuthScope.ANY, new UsernamePasswordCredentials(feedSpec.getHttpUsername(), feedSpec.getHttpPassword())); context.setAttribute(ClientContext.CREDS_PROVIDER, credsProvider); context.setAttribute(ClientPNames.HANDLE_AUTHENTICATION, true); } HttpGet httpGet = new HttpGet(feedSpec.getUri()); HttpResponse httpResponse = httpClient.execute(httpGet, context);

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  • IE 8 Compatibility Mode Causes Form Submit Button to Wrap

    - by Robert
    The below code does what I want in browsers I check with except IE when using compatibility mode. In compatibility mode the submit (Remove) button wraps to the next line. Can anyone help? It should look like it does in Firefox or IE when not using compatibility mode. Can't use float:left/right because I cannot specify length beforehand. Thanks for any help. Name: Test Name That is Longer Than The Other Qty: 1 Name: Short Test Name Qty: 1

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  • Speed improvements for Perl's chameneos-redux script in the Computer Language Benchmarks Game

    - by Robert P
    Ever looked at the Computer Language Benchmarks Game, (formerly known as the Great Language Shootout)? Perl has some pretty healthy competition there at the moment. It also occurs to me that there's probably some places that Perl's scores could be improved. The biggest one is in the chameneos-redux script right now - the Perl version runs the worst out of any language : 1,626 times slower than the C baseline solution! There are some restrictions on how the programs can be made and optimized, and there is Perl's interpreted runtime penalty, but 1,626 times? There's got to be something that can get the runtime of this program way down. Taking a look at the source code and the challenge, what do you think could be done to reduce this runtime speed?

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  • Unable to find static resource in runtime even while designer can see it

    - by xumix
    So i have this markup: <ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:local="clr-namespace:Werp.MigrationHelper"> <Style TargetType="{x:Type UserControl}" x:Key="WizardPageControl" x:Name="WizardPageControl"> <Setter Property="Template"> <Setter.Value> <ControlTemplate TargetType="{x:Type UserControl}"> <Grid> <Grid.ColumnDefinitions> <ColumnDefinition Width="10" /> <ColumnDefinition Width="475" /> <ColumnDefinition Width="10" /> </Grid.ColumnDefinitions> <Grid.RowDefinitions> <RowDefinition Height="10" /> <RowDefinition Height="410"/> <RowDefinition Height="50" /> <RowDefinition Height="10" /> </Grid.RowDefinitions> <StackPanel Orientation="Vertical" Name="MainContent" Grid.Row="1" Grid.Column="1"> <ContentPresenter Content="{TemplateBinding Content}"/> </StackPanel> <StackPanel Grid.Column="1" Grid.Row="2" Orientation="Horizontal" HorizontalAlignment="Center" VerticalAlignment="Bottom" Margin="0,0,0,10" Height="30"> <Button Name="BackButton" Width="50" xml:space="preserve">&lt; _Back</Button> <Button Name="NextButton" Width="50" Margin="10,0,0,0" xml:space="preserve" IsDefault="True">_Next &gt;</Button> <Button Name="CancelButton" Width="50" Margin="10,0,0,0" IsCancel="True">_Cancel</Button> <Button Name="FinishButton" IsEnabled="True" Width="50" Margin="10,0,0,0">_Finish</Button> </StackPanel> </Grid> </ControlTemplate> </Setter.Value> </Setter> </Style> </ResourceDictionary> <Application xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"> <Application.Resources> <ResourceDictionary> <ResourceDictionary.MergedDictionaries> <ResourceDictionary Source="Resources\WizardPageControl.xaml" /> </ResourceDictionary.MergedDictionaries> </ResourceDictionary> </Application.Resources> </Application> <UserControl x:Class="Werp.MigrationHelper.WizardPageControl" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" xmlns:d="http://schemas.microsoft.com/expression/blend/2008" xmlns:local="clr-namespace:Werp.MigrationHelper" mc:Ignorable="d"> </UserControl> Then I try to use it: <PageFunction xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:local="clr-namespace:Werp.MigrationHelper" x:Class="Werp.MigrationHelper.WizardPage1" x:TypeArguments="local:WizardResult" KeepAlive="True" WindowTitle="Wizard Page 1" > <local:WizardPageControl Style="{StaticResource ResourceKey=WizardPageControl}"> <local:WizardPageControl.Content> qweqweqweqweq </local:WizardPageControl.Content> </local:WizardPageControl> </PageFunction> The VS designer show everything Ok, but in runtime i get System.Windows.Markup.XamlParseException occurred Message='Provide value on 'System.Windows.StaticResourceExtension' threw an exception.' Line number '4' and line position '5'. Source=PresentationFramework LineNumber=4 LinePosition=5 StackTrace: at System.Windows.Markup.WpfXamlLoader.Load(XamlReader xamlReader, IXamlObjectWriterFactory writerFactory, Boolean skipJournaledProperties, Object rootObject, XamlObjectWriterSettings settings, Uri baseUri) at System.Windows.Markup.WpfXamlLoader.LoadBaml(XamlReader xamlReader, Boolean skipJournaledProperties, Object rootObject, XamlAccessLevel accessLevel, Uri baseUri) at System.Windows.Markup.XamlReader.LoadBaml(Stream stream, ParserContext parserContext, Object parent, Boolean closeStream) at System.Windows.Application.LoadComponent(Object component, Uri resourceLocator) at Werp.MigrationHelper.WizardPage1.InitializeComponent() in d:\Home\Docs\Visual Studio 2008\Projects\csharp\wizardpage1.xaml:line 1 at Werp.MigrationHelper.WizardPage1..ctor(WizardData wizardData) in D:\home\Docs\Visual Studio 2008\Projects\csharp\WizardPage1.xaml.cs:line 12 InnerException: Message=Cannot find resource named 'WizardPageControl'. Resource names are case sensitive. Source=PresentationFramework StackTrace: at System.Windows.StaticResourceExtension.ProvideValue(IServiceProvider serviceProvider) at MS.Internal.Xaml.Runtime.ClrObjectRuntime.CallProvideValue(MarkupExtension me, IServiceProvider serviceProvider) InnerException: Whats the prolem??

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  • Data denormalization and C# objects DB serialization

    - by Robert Koritnik
    I'm using a DB table with various different entities. This means that I can't have an arbitrary number of fields in it to save all kinds of different entities. I want instead save just the most important fields (dates, reference IDs - kind of foreign key to various other tables, most important text fields etc.) and an additional text field where I'd like to store more complete object data. the most obvious solution would be to use XML strings and store those. The second most obvious choice would be JSON, that usually shorter and probably also faster to serialize/deserialize... And is probably also faster. But is it really? My objects also wouldn't need to be strictly serializable, because JsonSerializer is usually able to serialize anything. Even anonymous objects, that may as well be used here. What would be the most optimal solution to solve this problem? Additional info My DB is highly normalised and I'm using Entity Framework, but for the purpose of having external super-fast fulltext search functionality I'm sacrificing a bit DB denormalisation. Just for the info I'm using SphinxSE on top of MySql. Sphinx would return row IDs that I would use to fast query my index optimised conglomerate table to get most important data from it much much faster than querying multiple tables all over my DB. My table would have columns like: RowID (auto increment) EntityID (of the actual entity - but not directly related because this would have to point to different tables) EntityType (so I would be able to get the actual entity if needed) DateAdded (record timestamp when it's been added into this table) Title Metadata (serialized data related to particular entity type) This table would be indexed with SPHINX indexer. When I would search for data using this indexer I would provide a series of EntityIDs and a limit date. Indexer would have to return a very limited paged amount of RowIDs ordered by DateAdded (descending). I would then just join these RowIDs to my table and get relevant results. So this won't actually be full text search but a filtering search. Getting RowIDs would be very fast this way and getting results back from the table would be much faster than comparing EntityIDs and DateAdded comparisons even though they would be properly indexed.

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  • Porting a piece of Lisp code to Clojure (PAIP)

    - by Robert Brown
    I'm reading Paradigms of Artificial Intelligence Programming (PAIP) by Peter Norvig and I'm trying to write all the code in Clojure rather than common Lisp. However I'm stuck on this piece of code on page 39: (defparameter *simple-grammar* '((sentence -> (noun-phrase verb-phrase)) (noun-phrase -> (Article Noun)) (verb-phrase -> (Verb noun-phrase)) (Article -> the a) (Noun -> man ball woman table) (Verb -> hit took saw liked)) "A grammar for a trivial subset of English.") (defvar *grammar* *simple-grammar*) How can I translate this into Clojure? Thanks.

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  • 2 way synchronization of in-house gitosis repositories server with Github repositories

    - by Robert J Berger
    We use gitosis as our local in-house shared repository and also have a private Github account that mirrors our local repository. If one does a git push to the in-house repository the post-update hook updates the Github repository. How can I make this two way without causing "loops"? I.e. if someone pushes to the Github repository, I would like it to also update the in-house gitosis repository. A pointer to an example of how to do it would be greatly appreciated. Or if there are recommendations of alternatives to gitosis that would make this kind of thing easy, I would consider migrating to that.

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  • Install a vimball from the command line.

    - by Robert Massaioli
    As this post points out you can install Vimballs using the normal: vim somevimball.vba :so % :q But if you want to install a from the command line how do you do it? I ran a 'man vim' and it seems like the best "from source install" option was the '-S' option so I tried to install haskellmode with it: wget 'http://projects.haskell.org/haskellmode-vim/vimfiles/haskellmode-20090430.vba' vim -S haskellmode-20090430.vba and that failed to work. It gave me the following error: Error detected while processing function vimball#Vimball: line 10: (Vimball) The current file does not appear to be a Vimball! press ENTER or type command to continue It should be noted that using the first method I was able to successfully install the vimball. I have tried the second method on a few other vimballs and it has failed every time. Is there a way to install a vimball from the command line? It seems like a useful sort of task. Oh, and I am running the following version of vim: Version: 2:7.2.330-1ubuntu3 Thanks.

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  • CruiseControl failing view compilation with Asp.net MVC 2 RTM

    - by Robert Koritnik
    Tehnologies: - CruiseControlNet - Asp.net MVC 2 RTM - enabled view compilation The problem is UrlParameter.Optional setting. I can't seem to make it work when I use this setting inside a view. When I compile inside Visual Studio, everything works fine, but when CCNet uses MSBuild to compile it it fails with following error: errorCS0103: The name 'UrlParameter' does not exist in the current context pointing to the line inside my view where this parameter is set on: Html.RenderAction(...) that sets certain route parameter(s) to optional. I tried adding <%@ Assembly name="System.Web.Mvc" %> at the top of my view, but it didn't work either. It works of course when I disable view compilation, but that's not really an option. And I also don't want to set my optional parameters to string.Empty. Anyone has any hint on this?

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  • How to determine the (natural) language of a document?

    - by Robert Petermeier
    I have a set of documents in two languages: English and German. There is no usable meta information about these documents, a program can look at the content only. Based on that, the program has to decide which of the two languages the document is written in. Is there any "standard" algorithm for this problem that can be implemented in a few hours' time? Or alternatively, a free .NET library or toolkit that can do this? I know about LingPipe, but it is Java Not free for "semi-commercial" usage This problem seems to be surprisingly hard. I checked out the Google AJAX Language API (which I found by searching this site first), but it was ridiculously bad. For six web pages in German to which I pointed it only one guess was correct. The other guesses were Swedish, English, Danish and French... A simple approach I came up with is to use a list of stop words. My app already uses such a list for German documents in order to analyze them with Lucene.Net. If my app scans the documents for occurrences of stop words from either language the one with more occurrences would win. A very naive approach, to be sure, but it might be good enough. Unfortunately I don't have the time to become an expert at natural-language processing, although it is an intriguing topic.

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  • Keyboard for programmers

    - by Robert Höglund
    I'm trying to improve my working environment and I'm still searching for that perfect keyboard that practically types bug-free code all by itself. At the moment I'm using a Logitech Wave for my Windows need and an Apple Wireless Keyboard (the one without a numeric keypad) when doing OS X stuff. I'm quite happy with the Logitech Wave but I would prefer one without all the extra multimedia buttons. What I like most about the Apple Wireless Keyboard is that it is very similar to the Macbook's keyboard which for me makes it easier to write code when on my Macbook. What kind of keyboard would you recommend for going all out writing code until your fingers bleed? I have remapped the Caps Lock key to Ctrl which after a while feels really good, until I have to sit at another computer or when someone at work is going to show me something on my computer. Are there other little keyboard tricks that you use to get a little bit more productive? I have looked into switching to Dvorak but I have decided it's not for me.

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  • Get audience members using web services in SharePoint

    - by Robert MacLean
    Using the SharePoint API (the one with the assemblies you add, but requires you to run on the server) it is easy to get audience members: using (SPSite site = new SPSite("http://localhost")) { ServerContext svrContext = ServerContext.GetContext(site); AudienceManager audManager = new AudienceManager(svrContext); foreach (Audience audience in audManager.Audiences) { ArrayList people = audience.GetMembership(); if (people != null) { foreach (UserInfo user in people) { Console.WriteLine("send email to " + user.Email); } } } However I can not find a web service to do the same thing?

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  • Automatically Sizing an ASP.NET Treeview Control

    - by Robert Harvey
    Is there a way to automatically resize a TreeView control so that when it is rendered (or re-rendered, if a node is expanded), the TreeView automatically resizes itself to match the overall height of the tree? The purpose of this is to eliminate the scroll bar that accompanies the TreeView, so that the treeview blends seamlessly into the background.

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  • how to make a queue in php with mysql

    - by robert
    hy, in my script i run a exec() function to make a movie file with ffmpeg. the problem is ffmpeg can run only 1 time on the server, if 2 people are online on server and first one already run ffmpeg i want the second to wait until the first end the process how to code this? thank you

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  • Android app in eclipse

    - by Colin
    Hello everybody, i've searched for days but cant find an answer, perhaps you guys can help. I'm creating an android app in eclipse, it all works just one thing is bugging me. this is my main.java: package com.test; import android.app.Activity; import android.content.Intent; import android.os.Bundle; import android.view.View; import android.view.View.OnClickListener; import android.widget.Toast; public class Main extends Activity implements OnClickListener { /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); // Add Click listeners for all buttons View firstButton = findViewById(R.id.btn_rassen); firstButton.setOnClickListener(this); View secondButton = findViewById(R.id.button2); secondButton.setOnClickListener(this); } // Process the button click events @Override public void onClick(View v) { switch(v.getId()){ case R.id.btn_rassen: Intent j = new Intent(this, Webscreen.class); j.putExtra(com.test.Webscreen.URL, "http://www.google.com/"); startActivity(j); break; case R.id.button2: Intent k = new Intent(this, Webscreen.class); k.putExtra(com.test.Webscreen.URL, "http://notworkingurltotest.com"); startActivity(k); break; } } } now when it calls the webview.java the page called shows up but not the buttons i created in the layout xml page. does anybody have any idea why this is? your help is much appreciated! ohw this is my webscreen.java package com.test; import android.app.Activity; import android.app.AlertDialog; import android.app.ProgressDialog; import android.content.DialogInterface; import android.content.Intent; import android.net.Uri; import android.os.Bundle; import android.util.Log; import android.view.Window; import android.webkit.WebSettings; import android.webkit.WebView; import android.webkit.WebViewClient; import android.widget.Toast; public class Webscreen extends Activity { public static final String URL = ""; private static final String TAG = "WebscreenClass"; private WebView webview; private ProgressDialog progressDialog; /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); requestWindowFeature(Window.FEATURE_NO_TITLE); setContentView(R.layout.webscreen); this.getIntent().getExtras(); this.webview = (WebView) findViewById(R.string.webview); String turl = getIntent().getStringExtra(URL); Log.i(TAG, " URL = "+turl); WebView webview = new WebView(this); setContentView(webview); final Activity activity = this; webview.setWebViewClient(new WebViewClient() { public boolean shouldOverrideUrlLoading(WebView view, String url) { view.loadUrl(url); return true; } public void onLoadResource (WebView view, String url) { if (progressDialog == null) { progressDialog = new ProgressDialog(activity); progressDialog.setMessage("Bezig met laden..."); progressDialog.show(); } } public void onPageFinished(WebView view, String url) { if (progressDialog.isShowing()) { progressDialog.dismiss(); progressDialog = null; } } public void onReceivedError(WebView view, int errorCode, String description, String failingUrl) { Intent myIntent = new Intent(); myIntent.setClassName("com.test", "com.test.Main"); startActivity(myIntent); Toast.makeText(activity, "Laden van onderdeel mislukt, probeer het later nog eens! ", Toast.LENGTH_LONG).show(); progressDialog.show(); } }); webview.loadUrl(turl); } } webscreen.xml layout: <?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:orientation="vertical" android:layout_width="fill_parent" android:layout_height="fill_parent"> <!-- <1> --> <LinearLayout android:orientation="horizontal" android:layout_width="fill_parent" android:layout_height="wrap_content"> <EditText android:id="@+id/url" android:layout_height="wrap_content" android:layout_width="wrap_content" android:lines="1" android:layout_weight="1.0" android:hint="http://" android:visibility="visible" /> <Button android:id="@+id/go_button" android:layout_height="wrap_content" android:layout_width="wrap_content" android:text="go_button" /> </LinearLayout> <!-- <2> --> <WebView android:id="@string/webview" android:layout_width="fill_parent" android:layout_height="0dip" /> </LinearLayout>

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  • UltiDev Cassini and <system.webServer> web.config settings

    - by Robert Koritnik
    MS Cassini Development Web Server is a nice product that executes web requests in a similar way that IIS7 does. Every request (event for static content) goes through the same .Net pipeline without exception. All custom HttpModule can handle any request. But sometimes you don't want these modules to execute for certain content (most often static content). In this regard, MS Cassini doesn't read/obey <system.webServer> web.config settings like IIS7 does. I'm particularly interested in these settings. <system.webServer> ... <handlers /> <modules /> </syste.webServer> Does UltiDev's Cassini (a separate payable product upgraded from MS Cassini) web server read these settings and execute as the web.config tells it to?

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  • Asp.net MVC/Silverlight and Sharepoint 2010 integration

    - by Robert Koritnik
    Just a sidenote: I'm not sure whether I should post this to serverfault as well, because some MOSS admin may have some info for me as well? Additional note 1: I've found this document (Asp.net MVC 2 & Sharepoint integration) if anybody with sufficient expirience is willing to comment on its content whether this can be used in my described scenario or not. Additional note 2: I've discovered (later) that Silverlight is supported in Sharepoint 2010 so I'm considering it as well. So if anyone would comment on silverlight integration as well. A bit of explanation first (without Asp.net MVC/Silverlight) Is it possible to integrate the two? Is it possible to write an application that would share at least credential information with MOSS? I have to write a MOSS application that has to do with these technologies: MOSS 2010 Personal client certificates authentication (most probably on USB keys) Active Directory Federation Services Separate SQL DB that would serve application specific data (separate as not being part of MOSS DB) How should it work? Users should authenticate using personal certificates into MOSS 2010 There would be a certain part of MOSS that would be related to my custom application This application should only authorize certain users via AD FS - I guess these users should have a certain security claim attached to them This application should manage users (that have access to this app) with additional (app specific) security claims related to this application (as additional application level authorization rights for individual application parts) This application should use custom SQL 2008 DB heavily with its own data This application should have the possibility to integrate with external systems as well (Exchange for instance to inject calendar entries, ERP systems etc) This application should be able to export its data (from its DB) to files. I don't know if it's possible, but it would be nice if the app could add these files to MOSS and attach authorization info to them so only users with sufficient rights would be able to view/open these files. Why Asp.net MVC/Silverlight then? I'm very well versed in Asp.net MVC (also with the latest version) and I haven't done anything on Sharepoint since version 2003 (which doesn't do me no good or prepare me for the latest version in any way shape or form). This project will most probably be a death march project so I would rather write my application as a UI rich Asp.net MVC application and somehow integrate it into MOSS. But not only via a link, because I would like to at least share credentials, so users wouldn't need to re-login when accessing my app. Using Asp.net MVC I would at least have the possibility to finish on time or be less death marching. Is this at all possible? I haven't done any serious project using SIlverlight, but I will sooner or later have to. So I'm also considering a jump into it at this moment, because it still might make this application development easier than strict Sharepoint 2010. Questions Is it possible to integrate Asp.net MVC/Silverlight into MOSS as described above? If integration is not possible, would it be possible to create a completely MOSS based application that would work as described? Which parts of MOSS 2010 should I use to accomplish what I need?

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  • Vertical mouse scrolling wheel not working in VS 2010 Ultimate

    - by Robert
    The title says it all. I tried it with two different mice- both of which work perfectly fine in all other applications. The mouse is MS Intellimouse Optical. I even tried to speed up the vertical scroll through the mouse utility and still nothing. It barely moves the code a tiny bit and then it stops. I had no problems at all with VS 2008 which is concurrently installed in the same machine. Am I the only one having this???

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