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  • Craig Mundie's video

    - by GGBlogger
    Timothy recently posted “Microsoft Shows Off Radical New UI, Could Be Used In Windows 8” on Slashdot. I took such grave exception to his post that I found it necessary to my senses to write this blog. We need to go back many years to the days of hand cranked calculators and early main frame computers. These devices had singular purposes – they were “number crunchers” used to make accounting easier. The front facing display in early mainframes was “blinken lights.” The calculators did provide printing – in the form of paper tape and the mainframes used line printers to generate reports as needed. We had other metaphors to work with. The typewriter was/is a mechanical device that substitutes for a type setting machine. The originals go back to 1867 and the keyboard layout has remained much the same to this day. In the earlier years the Morse code telegraphs gave way to Teletype machines. The old ASR33, seen on the left in this photo of one of the first computers I help manufacture, used a keyboard very similar to the keyboards in use today. It also generated punched paper tape that we generated to program this computer in machine language. Everything considered this computer which dates back to the late 1960s has a keyboard for input and a roll of paper as output. So in a very rudimentary fashion little has changed. Oh – we didn’t have a mouse! The entire point of this exercise is to point out that we still use very similar methods to get data into and out of a computer regardless of the operating system involved. The Altair, IMSAI, Apple, Commodore and onward to our modern machines changed the hardware that we interfaced to but changed little in the way we input, view and output the results of our computing effort. The mouse made some changes and the advent of windowed interfaces such as Windows and Apple made things somewhat easier for the user. My 4 year old granddaughter plays here Dora games on our computer. She knows how to start programs, use the mouse, play the game and is quite adept so we have come some distance in making computers useable. One of my chief bitches is the constant harangues leveled at Microsoft. Yup – they are a money making organization. You like Apple? No problem for me. I don’t use Apple mostly because I’m comfortable in the Windows environment but probably more because I don’t like Apple’s “Holier than thou” attitude. Some think they do superior things and that’s also fine with me. Obviously the iPhone has not done badly and other Apple products have fared well. But they are expensive. I just build a new machine with 4 Terabytes of storage, an Intel i7 Core 950 processor and 12 GB of RAMIII. It cost me – with dual monitors – less than 2000 dollars. Now to the chief reason for this blog. I’m going to continue developing software for as long as I’m able. For that reason I don’t see my keyboard, mouse and displays changing much for many years. I also don’t think Microsoft is going to spoil that for me by making radical changes to my developer experience. What Craig Mundie does in his video here:  http://www.ispyce.com/2011/02/microsoft-shows-off-radical-new-ui.html is explore the potential future of computer interfaces for the masses of potential users. Using a computer today requires a person to have rudimentary capabilities with keyboards and the mouse. Wouldn’t it be great if all they needed was hand gestures? Although not mentioned it would also be nice if computers responded intelligently to a user’s voice. There is absolutely no argument with the fact that user interaction with these machines is going to change over time. My personal prediction is that it will take years for much of what Craig discusses to come to a cost effective reality but it is certainly coming. I just don’t believe that what Craig discusses will be the future look of a Window 8.

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  • Interesting SQL Sorting Issue

    - by rofly
    It's crunch time, deadline for my most recent contract is coming in two days and almost everything is complete and working fine (knock on wood) except for one issue. In one of my stored procedures, I'm needing to return a result set as follows. group_id | name A101 | Craig A102 | Craig Z101 | Craig Z102 | Craig A101 | Jim A102 | Jim Z101 | Jim Z102 | Jim B101 | Andy B102 | Andy Z101 | Andy Z102 | Andy The names need to be sorted by the first character of the group id and also include the Z101/Z102 entries. By sorting strictly by the group id, I get a result set as follows: A101 | Craig A102 | Craig A101 | Jim A102 | Jim B101 | Andy B102 | Andy Z101 | Andy Z102 | Andy Z101 | Jim Z102 | Jim I really can't think of a solution that doesn't involve me making a cursor and bloating the stored procedure up more than it already is. I'm sure a great mind out there has an elegant solution and I'm eager to see what the community can come up with. Thanks a ton in advance.

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  • Soapi.CS : A fully relational fluent .NET Stack Exchange API client library

    - by Sky Sanders
    Soapi.CS for .Net / Silverlight / Windows Phone 7 / Mono as easy as breathing...: var context = new ApiContext(apiKey).Initialize(false); Question thisPost = context.Official .StackApps .Questions.ById(386) .WithComments(true) .First(); Console.WriteLine(thisPost.Title); thisPost .Owner .Questions .PageSize(5) .Sort(PostSort.Votes) .ToList() .ForEach(q=> { Console.WriteLine("\t" + q.Score + "\t" + q.Title); q.Timeline.ToList().ForEach(t=> Console.WriteLine("\t\t" + t.TimelineType + "\t" + t.Owner.DisplayName)); Console.WriteLine(); }); // if you can think it, you can get it. Output Soapi.CS : A fully relational fluent .NET Stack Exchange API client library 21 Soapi.CS : A fully relational fluent .NET Stack Exchange API client library Revision code poet Revision code poet Votes code poet Votes code poet Revision code poet Revision code poet Revision code poet Votes code poet Votes code poet Votes code poet Revision code poet Revision code poet Revision code poet Revision code poet Revision code poet Revision code poet Revision code poet Revision code poet Revision code poet Revision code poet Votes code poet Comment code poet Revision code poet Votes code poet Revision code poet Revision code poet Revision code poet Answer code poet Revision code poet Revision code poet 14 SOAPI-WATCH: A realtime service that notifies subscribers via twitter when the API changes in any way. Votes code poet Revision code poet Votes code poet Comment code poet Comment code poet Comment code poet Votes lfoust Votes code poet Comment code poet Comment code poet Comment code poet Comment code poet Revision code poet Comment lfoust Votes code poet Revision code poet Votes code poet Votes lfoust Votes code poet Revision code poet Comment Dave DeLong Revision code poet Revision code poet Votes code poet Comment lfoust Comment Dave DeLong Comment lfoust Comment lfoust Comment Dave DeLong Revision code poet 11 SOAPI-EXPLORE: Self-updating single page JavaSript API test harness Votes code poet Votes code poet Votes code poet Votes code poet Votes code poet Comment code poet Revision code poet Votes code poet Revision code poet Revision code poet Revision code poet Comment code poet Revision code poet Votes code poet Comment code poet Question code poet Votes code poet 11 Soapi.JS V1.0: fluent JavaScript wrapper for the StackOverflow API Comment George Edison Comment George Edison Comment George Edison Comment George Edison Comment George Edison Comment George Edison Answer George Edison Votes code poet Votes code poet Votes code poet Votes code poet Revision code poet Revision code poet Answer code poet Comment code poet Revision code poet Comment code poet Comment code poet Comment code poet Revision code poet Revision code poet Votes code poet Votes code poet Votes code poet Votes code poet Comment code poet Comment code poet Comment code poet Comment code poet Comment code poet 9 SOAPI-DIFF: Your app broke? Check SOAPI-DIFF to find out what changed in the API Votes code poet Revision code poet Comment Dennis Williamson Answer Dennis Williamson Votes code poet Votes Dennis Williamson Comment code poet Question code poet Votes code poet About A robust, fully relational, easy to use, strongly typed, end-to-end StackOverflow API Client Library. Out of the box, Soapi provides you with a robust client library that abstracts away most all of the messy details of consuming the API and lets you concentrate on implementing your ideas. A few features include: A fully relational model of the API data set exposed via a fully 'dot navigable' IEnumerable (LINQ) implementation. Simply tell Soapi what you want and it will get it for you. e.g. "On my first question, from the author of the first comment, get the first page of comments by that person on any post" my.Questions.First().Comments.First().Owner.Comments.ToList(); (yes this is a real expression that returns the data as expressed!) Full coverage of the API, all routes and all parameters with an intuitive syntax. Strongly typed Domain Data Objects for all API data structures. Eager and Lazy Loading of 'stub' objects. Eager\Lazy loading may be disabled. When finer grained control of requests is desired, the core RouteMap objects may be leveraged to request data from any of the API paths using all available parameters as documented on the help pages. A rich Asynchronous implementation. A configurable request cache to reduce unnecessary network traffic and to simplify your usage logic. There is no need to go out of your way to be frugal. You may set a distinct cache duration for any particular route. A configurable request throttle to ensure compliance with the api terms of usage and to simplify your code in that you do not have to worry about and respond to 50X errors. The RequestCache and Throttled Queue are thread-safe, so can make as many requests as you like from as many threads as you like as fast as you like and not worry about abusing the api or having to write reams of management/compensation code. Configurable retry threshold that will, by default, make up to 3 attempts to retrieve a request before failing. Every request made by Soapi is properly formed and directed so most any http error will be the result of a timeout or other network infrastructure. A retry buffer provides a level of fault tolerance that you can rely on. An almost identical javascript library, Soapi.JS, and it's full figured big brother, Soapi.JS2, that will enable you to leverage your server cycles and bandwidth for only those tasks that require it and offload things like status updates to the client's browser. License Licensed GPL Version 2 license. Why is Soapi.CS GPL? Can I get an LGPL license for Soapi.CS? (hint: probably) Platforms .NET 3.5 .NET 4.0 Silverlight 3 Silverlight 4 Windows Phone 7 Mono Download Source code lives @ http://soapics.codeplex.com. Binary releases are forthcoming. codeplex is acting up again. get the source and binaries @ http://bitbucket.org/bitpusher/soapi.cs/downloads The source is C# 3.5. and includes projects and solutions for the following IDEs Visual Studio 2008 Visual Studio 2010 ModoDevelop 2.4 Documentation Full documentation is available at http://soapi.info/help/cs/index.aspx Sample Code / Usage Examples Sample code and usage examples will be added as answers to this question. Full API Coverage all API routes are covered Full Parameter Parity If the API exposes it, Soapi giftwraps it for you. Building a simple app with Soapi.CS - a simple app that gathers all traces of a user in the whole stackiverse. Fluent Configuration - Setting up a Soapi.ApiContext could not be easier Bulk Data Import - A tiny app that quickly loads a SQLite data file with all users in the stackiverse. Paged Results - Soapi.CS transparently handles multi-page operations. Asynchronous Requests - Soapi.CS provides a rich asynchronous model that is especially useful when writing api apps in Silverlight or Windows Phone 7. Caching and Throttling - how and why Apps that use Soapi.CS Soapi.FindUser - .net utility for locating a user anywhere in the stackiverse Soapi.Explore - The entire API at your command Soapi.LastSeen - List users by last access time Add your app/site here - I know you are out there ;-) if you are not comfortable editing this post, simply add a comment and I will add it. The CS/SL/WP7/MONO libraries all compile the same code and with the exception of environmental considerations of Silverlight, the code samples are valid for all libraries. You may also find guidance in the test suites. More information on the SOAPI eco-system. Contact This library is currently the effort of me, Sky Sanders (code poet) and can be reached at gmail - sky.sanders Any who are interested in improving this library are welcome. Support Soapi You can help support this project by voting for Soapi's Open Source Ad post For more information about the origins of Soapi.CS and the rest of the Soapi eco-system see What is Soapi and why should I care?

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  • VMWare Fusion: "No Permission to access this virtual machine"

    - by Craig Walker
    I had a VMWare Fusion VM backed up on my home network file server (Ubuntu). I wanted to run it again, so I copied it back to my Macbook. When I tried to launch it in VMWare, I got an error message: No permission to access this virtual machine. Configuration file: /Users/craig/WinXP Clean + Scanner.vmwarevm/WinXP Pro Test.vmx The permissions look fine to me: The bundle directory is 777 The bundle files (including the listed .vmx) are all 666 User is craig (my current user); group is staff. I changed the group to wheel at the suggestion of this page, but that didn't help. Finder shows read & write for craig, staff, and everyone on the bundle directory The bundle dir is also not locked Finder also shows rw and unlocked for the .vmx file The parent directory is also rw & unlocked Disk Utility permissions check doesn't show any problems with any of the associated files It sure looks like I should have wide open access to run this VM; why is Fusion complaining?

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  • Troubles installing/starting Redis via Resque

    - by Craig Flannagan
    Trying to complete instructions for Resque/Redis installation here: https://github.com/defunkt/resque/blob/master/README.markdown Am stuck at where I'm trying to start up Redis via Resque at the following command: Craig:/usr/local/src/resque$ rake redis:start (in /usr/local/src/resque) Detach with Ctrl+\ Re-attach with rake redis:attach ../../bin/dtach -A /tmp/redis.dtach ../../bin/redis-server ../../../etc/redis.conf rake aborted! Command failed with status (127): [../../bin/dtach -A /tmp/redis.dtach ../../...] (See full trace by running task with --trace) Rerunning with --trace (showing only part of trace): Craig:/usr/local/src/resque$ rake redis:start --trace (in /usr/local/src/resque) ** Invoke redis:start (first_time) ** Execute redis:start Detach with Ctrl+\ Re-attach with rake redis:attach ../../bin/dtach -A /tmp/redis.dtach ../../bin/redis-server ../../../etc/redis.conf rake aborted! Command failed with status (127): [../../bin/dtach -A /tmp/redis.dtach ../../...] /Users/craigflannagan/.rvm/gems/ruby-1.9.2-head@foo/gems/rake-0.8.7/lib/rake.rb:995:in `block in sh' Not sure what is wrong here - by the way, when I did those instructions $ git clone git://github.com/defunkt/resque.git $ cd resque $ PREFIX=<your_prefix> rake redis:install dtach:install $ rake redis:start I wasn't sure whether or not I was supposed to be doing #1 from within the Rails project, or if I was supposed to have the git clone create a new folder outside the Rails project (in this case, I chose to have folder created outside the project).

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  • MSBuild: Add additional files to compile without altering the project file

    - by Craig Norton
    After looking around I can't find a simple answer to this problem. I am trying to create an MSBuild file to allow me to easily use SpecFlow and NUnit within Visual Studio 2010 express. The file below is not complete this is just a proof of concept and it needs to be made more generic. <Project DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003"> <PropertyGroup> <BuildDependsOn> BuildSolution; SpecFlow; BuildProject; NUnit; </BuildDependsOn> </PropertyGroup> <PropertyGroup> <Solution>C:\Users\Craig\Documents\My Dropbox\Cells\Cells.sln</Solution> <CSProject>C:\Users\Craig\Documents\My Dropbox\Cells\Configuration\Configuration.csproj</CSProject> <DLL>C:\Users\Craig\Documents\My Dropbox\Cells\Configuration\bin\Debug\Configuration.dll</DLL> </PropertyGroup> <Target Name="Build" DependsOnTargets="$(BuildDependsOn)"> </Target> <Target Name="BuildSolution"> <MSBuild Projects="$(Solution)" Properties="Configuration=Debug" /> </Target> <Target Name="SpecFlow"> <Exec Command="SpecFlow generateall $(CSProject)" /> </Target> <Target Name="BuildProject"> <MSBuild Projects="$(CSProject)" Properties="Configuration=Debug" /> </Target> <Target Name="NUnit"> <Exec Command='NUnit /run "$(DLL)"' /> </Target> The SpecFlow Task looks in the .csproj file and creates a SpecFlowFeature1.feature.cs. I need to include this file when building the .csproj so that NUnit can use it. I know I could modify (either directly or on a copy) the .csproj file to include the generated file but I'd prefer to avoid this. My question is: Is there a way to use the MSBuild Task to build the project file and tell it to include an additional file to include in the build? Thank you.

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  • Problem with Regex in .NET (C#)

    - by Craig Bovis
    I'm trying to write a a regex to validate a string to match the following rules. Must start with a-z (case insensitive) Must only contain a-z A-Z 0-9 . - I've put something together based on my limited knowledge and ran it through an online testing tool for a whole bunch of situations and the results were as I had hoped however when I place the pattern into my .NET code it doesn't match correctly. The pattern I am using is, [a-zA-Z][a-zA-Z0-9.\-]* Is this the correct pattern or am I barking up the wrong tree? Some examples of what I'm expecting. craig.bovis - VALID 24craig - INVALID craig@bovis - INVALID craig24 - VALID -craig24 - INVALID craig24.bovis-test - VALID

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  • excel 2010 format and input issue

    - by Craig Gunn
    I have completed a very complex Excel spreadsheet with a lot of equations, except ... I forgot to include September I have Jan through Dec, all the months, except the calculations for September. Of course all the equations are currently perfect for the data that's here. How do I add a whole new column without ruining the previous equations? PS: tomorrow is my holidays and I have to go to work to finish this table, so bad. would really appreciate some kind expertise :) cheers craig.

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  • Commercial Software Development – my presentation for DDD Scotland now available for download

    - by Liam Westley
    Thanks to everyone who voted me onto the DDD Scotland agenda, and for the fantastic audience some of whom you can see in Craig Murphy's photos of the event, http://www.flickr.com/photos/craigmurphy/4592461745/in/set-72157624025673156 http://www.flickr.com/photos/craigmurphy/4592467645/in/set-72157624025673156 I hope those who came enjoyed the session had a good time, and for them or those who were on one of the other tracks, or who couldn’t squeeze in; I’ve uploaded the presentation for you to download.  I created a more simple, and smaller, PowerPoint without all the fancy animations and video clips, which is available as a compressed ZIP file,   http://www.tigernews.co.uk/blog-twickers/dddscot/commercialsoftwaredev.zip I also printed the presentation with speaker notes (which contain most of the information I was talking about) using PDFCreator, which is available as an Adobe Acrobat PDF here,   http://www.tigernews.co.uk/blog-twickers/dddscot/commercialsoftwaredev.pdf ... and if PowerPoint presentations don't do it for you, also thanks to Craig Murphy, you can watch a video of the presentation that I gave at DDD8 in Microsoft TVP, Reading,  http://vimeo.com/9216563

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  • DIY a simple .inf on an existing .sys?

    - by Stijn Sanders
    In continuation of attempting to get an old Digi ST-1032 working on a new server, we've downgraded a server to Windows 2000 in an attempt to use the NT4 drivers. And it works, the old software setup works, finds the device on the SCSI bus, and connects the 32 ports to COM3..COM34 or any other set using the port remapper tool. The minor issue that remains is that Plug-and-Play still detects this device over SCSI and tries to wizard you into selecting a driver for it. Which doesn't exists (Digi Intl support confirms this device is so old, a 2000 or XP driver was never made). The exact name displayed is "DigiIntl ST-1032 SCSI Net Device" (Oddly enough, two devices get detected with this name, on two neighbouring LUN's, could one be the built-in terminator?) Is there a way to concoct a simple .inf that would (re-)register the existing sts.sys that appears to get registered by the (old) installer of the driver software?

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  • What should i expect on an online C++ test

    - by Craig
    Hey guys, I don't know if this should be a regular question or maybe a wiki page. I just got a call back from an employer and he advised me i have made it through to the next round of interviews and would have to take an online C++ test through IKM (http://www.ikmnet.com/). Has anyone here got any advise as to what type of questions this test will ask, or has anyone got advise about what i should do a brush up on to do the best i could on this test. THis is for a job in simulations if that helps at all, Any advise would be great. -Craig

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  • How do I get a .Net 4.0 app to coexist as an application under a SharePoint 2007 website in IIS v7?

    - by Craig Nakamoto
    I have created a small .Net 4.0 website and installed it on my SharePoint server as a separate web site in IIS v7 (using port 8008 for now). I had to install the .Net 4 framework, set up the database, etc. and this all went smoothly and my app works as a standalone website. Now I am trying to get pages from my website to show up in SharePoint 2007. For various reasons (the SharePoint site is using SSL, security, etc.) I now need to move my .Net app to run under the SharePoint 2007 site in IIS. I have added it as an 'Application' and set it up with the same .Net v4 application pool and settings that were working when it was set up as a standalone site. Now when I try to access the application I get the error at the end of this description. Any help would be greatly appreciated. I already tried following the instructions on this post: http://blogs.msdn.com/sgoodyear/archive/2007/05/07/custom-web-applications-coexisting-with-sharepoint-2007.aspx but that did not help. Thanks! Craig p.s. Here are the error details: Log Name: Application Source: ASP.NET 4.0.30319.0 Date: 11/05/2010 11:49:31 AM Event ID: 1310 Task Category: Web Event Level: Warning Keywords: Classic User: N/A Computer: GGI-SP1.ggi.ca Description: Event code: 3008 Event message: A configuration error has occurred. Event time: 11/05/2010 11:49:31 AM Event time (UTC): 11/05/2010 3:49:31 PM Event ID: 559d7ac619344f3499a4a31c6c9e58cd Event sequence: 1 Event occurrence: 1 Event detail code: 0 Application information: Application domain: /LM/W3SVC/1653978112/ROOT/bidmonitor-1-129180665715766107 Trust level: Application Virtual Path: /bidmonitor Application Path: C:\inetpub\wwwroot\bidmonitor\ Machine name: GGI-SP1 Process information: Process ID: 5272 Process name: w3wp.exe Account name: NT AUTHORITY\NETWORK SERVICE Exception information: Exception type: ConfigurationErrorsException Exception message: Could not find permission set named 'ASP.Net'. at System.Web.Hosting.ApplicationManager.CreateAppDomainWithHostingEnvironment(String appId, IApplicationHost appHost, HostingEnvironmentParameters hostingParameters) at System.Web.HttpRuntime.HostingInit(HostingEnvironmentFlags hostingFlags, PolicyLevel policyLevel, Exception appDomainCreationException) Request information: Request URL: gginet.ggi.ca/bidmonitor Request path: /bidmonitor User host address: 10.10.1.33 User: Is authenticated: False Authentication Type: Thread account name: NT AUTHORITY\NETWORK SERVICE Thread information: Thread ID: 3 Thread account name: NT AUTHORITY\NETWORK SERVICE Is impersonating: False Stack trace: at System.Web.HttpRuntime.HostingInit(HostingEnvironmentFlags hostingFlags, PolicyLevel policyLevel, Exception appDomainCreationException)

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  • Disassemble Asus A2500H

    - by Stijn Sanders
    I have an aged Asus A2500H notebook, with a broken screen and damage to the outside. Since it has a TV-out connection, and is working good otherwise, I have it hooked up to my television as a kind of media-center to play video over LAN. I want to remove the screen as cleanly as possible, but am having trouble opening up the laptop. I've been able to remove the (broken) hinges the screen pivots on. I've also removed any other screws I could spot, but still the casing doesn't come off and seems to be attached by yet more screws I can't access (yet). I've been searching the web for disassemble instructions, I've found some for a number of other brands and models, but not for the Asus A2500H.

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  • User Provisioning Tool for SQL Server 2008?

    - by Rob Sanders
    Yesterday I moved my machine from one domain to another - foolishly forgetting the implications for my local instance of SQL Server! Mixed Mode authentication is not enabled, and the only local account login has only "public" permissions. SQL Server 2005 Service Pack 2 had a tool called the User Provisioning Tool for Windows Vista (sqlprov.exe) which allowed you to add Domain Users to a local SQL 2005 instance (it doesn't work against SQL 2008 btw) - my question is.. is there a similar tool for SQL Server 2008 or am I going to have to do a reinstall? Also let me know if you think this belongs on StackOverflow

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  • Problem with installing Pear (XAMPP)

    - by sanders
    Hello I installed the latest version of XAMPP (1.7.4) on my windows xp system. Now when i want to install Pear: k:\xampp\php>go-pear.bat I am confronted with the following error: manifest cannot be larger than 100 MB in phar "K:\xampp\php\PEAR\go-pear.phar"PH P Warning: require_once(phar://go-pear.phar/index.php): failed to open stream: phar error: invalid url or non-existent phar "phar://go-pear.phar/index.php" in K:\xampp\php\PEAR\go-pear.phar on line 1236 Warning: require_once(phar://go-pear.phar/index.php): failed to open stream: pha r error: invalid url or non-existent phar "phar://go-pear.phar/index.php" in K:\ xampp\php\PEAR\go-pear.phar on line 1236 Press any key to continue Line 1236 on in the go-pear.phar is this: require_once 'phar://go-pear.phar/index.php'; __HALT_COMPILER();< And after the last < there is a weird character sign. And if i take away that charachter I can't it doesn't help. She the image below for the character. Any help is very much appreciated.

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  • How to invalidate a single data item in the .net cache in VB

    - by Craig
    I have the following .NET VB code to set and read objects in cache on a per user basis (i.e. a bit like session) '' Public Shared Sub CacheSet(ByVal Key As String, ByVal Value As Object) Dim userID As String = HttpContext.Current.User.Identity.Name HttpContext.Current.Cache(Key & "_" & userID) = Value End Sub Public Shared Function CacheGet(ByVal Key As Object) Dim returnData As Object = Nothing Dim userID As String = HttpContext.Current.User.Identity.Name returnData = HttpContext.Current.Cache(Key & "_" & userID) Return returnData End Function I use these functions to hold user data that I don't want to access the DB for all the time. However, when the data is updated, I want the cached item to be removed so it get created again. How do I make an Item I set disappear or set it to NOTHING or NULL? Craig

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  • How to use a FolderBrowserDialog from a WPF application

    - by Craig Shearer
    I'm trying to use the FolderBrowserDialog from my WPF application - nothing fancy. I don't much care that it has the Windows Forms look to it. However, when I call ShowDialog, I want to pass the owner window which is an IWin32Window. How do I get this from my WPF control? Actually, does it matter? If I run this code and use the ShowDialog overload with no parameters it works fine. Under what circumstances do I need to pass the owner window? Thanks, Craig

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  • openstack, bridging, netfilter and dnat

    - by Craig Sanders
    In a recent upgrade (from Openstack Diablo on Ubuntu Lucid to Openstack Essex on Ubuntu Precise), we found that DNS packets were frequently (almost always) dropped on the bridge interface (br100). For our compute-node hosts, that's a Mellanox MT26428 using the mlx4_en driver module. We've found two workarounds for this: Use an old lucid kernel (e.g. 2.6.32-41-generic). This causes other problems, in particular the lack of cgroups and the old version of the kvm and kvm_amd modules (we suspect the kvm module version is the source of a bug we're seeing where occasionally a VM will use 100% CPU). We've been running with this for the last few months, but can't stay here forever. With the newer Ubuntu Precise kernels (3.2.x), we've found that if we use sysctl to disable netfilter on bridge (see sysctl settings below) that DNS started working perfectly again. We thought this was the solution to our problem until we realised that turning off netfilter on the bridge interface will, of course, mean that the DNAT rule to redirect VM requests for the nova-api-metadata server (i.e. redirect packets destined for 169.254.169.254:80 to compute-node's-IP:8775) will be completely bypassed. Long-story short: with 3.x kernels, we can have reliable networking and broken metadata service or we can have broken networking and a metadata service that would work fine if there were any VMs to service. We haven't yet found a way to have both. Anyone seen this problem or anything like it before? got a fix? or a pointer in the right direction? Our suspicion is that it's specific to the Mellanox driver, but we're not sure of that (we've tried several different versions of the mlx4_en driver, starting with the version built-in to the 3.2.x kernels all the way up to the latest 1.5.8.3 driver from the mellanox web site. The mlx4_en driver in the 3.5.x kernel from Quantal doesn't work at all) BTW, our compute nodes have supermicro H8DGT motherboards with built-in mellanox NIC: 02:00.0 InfiniBand: Mellanox Technologies MT26428 [ConnectX VPI PCIe 2.0 5GT/s - IB QDR / 10GigE] (rev b0) we're not using the other two NICs in the system, only the Mellanox and the IPMI card are connected. Bridge netfilter sysctl settings: net.bridge.bridge-nf-call-arptables = 0 net.bridge.bridge-nf-call-iptables = 0 net.bridge.bridge-nf-call-ip6tables = 0 Since discovering this bridge-nf sysctl workaround, we've found a few pages on the net recommending exactly this (including Openstack's latest network troubleshooting page and a launchpad bug report that linked to this blog-post that has a great description of the problem and the solution)....it's easier to find stuff when you know what to search for :), but we haven't found anything on the DNAT issue that it causes.

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  • ASP.NET What's the best way to produce a trial version for customers to download?

    - by Craig Izard
    Hi all, I've written a ASP.NET app that I hope to sell to businesses, I could host the trial but it's designed to connect to the customers data so customers will certainly want to install it to do a successful evaluation. I've never produced anything commercial before so I'm looking for advice on how best to limit the trial, a 30 day trial seems most common, do you simply rely on the clock of the PC/Server they install it on? Any other suggestions welcome, please keep in mind this is ASP.NET app so will be installed on their web server. Thanks Craig

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  • Too Many Different Cell Formats

    - by Craig
    I have a massive file with 10 sheets recreated from scratch, 12 sheets updated, 5 sheets loaded with raw data, and 7 sheets that are used by the macros for the report. I have recently added a new sheet and am running into the Excel "Too many different cell formats" problem. I have read some of the google search results and they say I should simplify the formatting, but I don't even know how I got up to 4000 distinct cell formats, let alone how much I'm using which ones, so I can remove some. It is also popping up some times the file is run, but not all, until such time as it comes up, and then it happens every time it is run. Since the macro is doing so much of the work, including creating the 10 sheets from scratch, I am not sure what to do. Does anyone know of a Macro I could run to get a listing of all the cell formats and how many cells are using them? Does anyone know of a program they trust to help remove excess cell formats? Thanks, Craig

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  • Silverlight WCF method calls fails if WCF service is not running initially

    - by Craig
    Quite simply I have a generic Silverlight 3.0 web page that is calling a Ping method on a WCF service. I do not have the WCF service running initially when I navigate to this Silverlight page. As expected I get a communication exception when I press the Silverlight button to call the Ping method, which I catch. Now if I start the WCF service and press the Ping button I still get the communication exception. How come? The other scenario is the WCF is running when I navigate to the SL page and the Ping method call works. I turn off the WCF service, ping method fails. Turn it back on and the ping method succeeds. How come if it's not running initially the ping method fails always? I could include some sample code if you'd like but this is just a real simple Hello World example using basichttpbinding, straight out the book. Thanks, Craig

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  • How do you configuring vlans/trunk on a Cicso ASA 5510

    - by Sam Sanders
    I have a Cicso ASA 5510 that I want to connect to 2 Dell PowerConnect 5500 linked in a Switch Stack. I want to connect a trunking line to each switch so if one switch dies the other works. The problem is I can't seem to do anything thing with vlans on the 5510 using the "Cisco ASDM 6.4 for ASA" . Do I need to use CLI for this, or is it just not possible? I'm new at networking so any advice would be helpful.

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