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• In TSQL (SQL Server), How do I insert multiple rows WITHOUT repeating the "INSERT INTO dbo.Blah" par

  - by Timothy Khouri

  I know I've done this before years ago, but I can't remember the syntax, and I can't find it anywhere due to pulling up tons of help docs and articles about "bulk imports". Here's what I want to do, but the syntax is not exactly right... please, someone who has done this before, help me out :) INSERT INTO dbo.MyTable (ID, Name) VALUES (123, 'Timmy'), (124, 'Jonny'), (125, 'Sally') I know that this is close to the right syntax. I might need the word "BULK" in there, or something, I can't remember. Any idea?

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• Can't get websrvmng to run in Plesk SSH terminal.

  - by JohnB

  I am following this MediaTemple KB article and stuck at the last step. When I try to run the websrvmng (using the ssh terminal in Plesk) using the code the KB references: /usr/local/psa/admin/sbin/websrvmng -v -a I receive a 'File or Directory not found' error. I am a n00b when it comes to this stuff and would really appreciate any advice/suggestions for how to get websrvmng to run. I have searched through tons of articles on it but found nothing more illuminating than the above code. I am sure I'm overlooking something simple (login as root to run? something I need to replace in the code like usr?). It is a MediaTemple DV server running CentOS 5 and as I said using Plesk. I desperately need to get this to work and I am pulling my hair out, so as I said any help would be greatly appreciated.

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• Software to create a knowledge base/FAQ system

  - by H1Man

  Our company is looking to build a web-based knowledge base system that can be used by our clients/end users to reduce the amount of support calls. Couple important notes: This is aimed at our end users, in other words, non-techies. So the UI has to be easy to use Should have the excellent (fast, accurate) search Should have ability to rate and comment on articles This will only be maintained by one or 2 people, so security isn't a big concern Something similar to what Microsoft is doing with their Knowledge Base. http://support.microsoft.com/search/ Does anyone have any recommendations on what software I can use? Thanks, H. Edit: I should have made this clear before but I don't mean build as in having our developers build a support/kb system from the ground up. I am looking to use a existing software package/solution that can be used to implement a knowledge base/support site.

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• Correct permutation cycle for Verhoeff algorithm

  - by James

  Hello, I'm implementing the Verhoeff algorithm for a check digit scheme, but there seems to be some disagreement in web sources as to which permutation cycle should form the basis of the permutation table. Wikipedia uses: (36)(01589427) while apparently, Numerical Recipies uses a different cycle and this book uses: (0)(14)(23)(56789), quoted from a 1990 article by Winters. It also notes that Verhoeff used the one Wikipedia quotes. Now, my number theory is a little rusty, but the Wikipedia cycle clearly will repeat after the 8th power, while the book one will take 10, despite it saying that s^8=s. Table 2.14(b) has other errors in the 2-cycles, so this is dubious anyway. Unfortunately, I don't have copies of the original articles (and am too tight to pay/disgusted that 40-year old knowledge is still being held to ransom by publishers), nor a copy of Numerical Recipes to check (and am loath to install their paranoia-induced copy protection plug-in to view online). So does any one know which is correct? Are they both correct?

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• How to keep my functions (objects/methods) 'lean and mean'

  - by Michel

  Hi, in all (Agile) articles i read about this: keep your code and functions small and easy to test. How should i do this with the 'controller' or 'coordinator' class? In my situation, i have to import data. In the end i have one object who coordinates this, and i was wondering if there is a way of keeping the coordinator lean(er) and mean(er). My coordinator now does the followling (pseudocode) //Write to the log that the import has started Log.StartImport() //Get the data in Excel sheet format result = new Downloader().GetExcelFile() //Log this step Log.LogStep(result ) //convert the data to intern objects result = new Converter().Convertdata(result); //Log this step Log.LogStep(result ) //write the data result = Repository.SaveData(result); //Log this step Log.LogStep(result ) Imho, this is one of those 'know all' classes or at least one being 'not lean and mean'? Or, am i taking this lean and mean thing to far and is it impossible to program an import without some kind of 'fat' importer/coordinator? Michel

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• Mysql and Subsonic 3 with LINQ: Cannot insert rows

  - by Gustavo

  I'm using Susbsonic 3 with the LINQ templates. I've already added a column called 'ID' to my Articles table. When I try to insert a row using the following code var db = new LDB(); int newID = db.Insert.Into<ArticlesTable> ( x => x.Description ).Values( "TestDescription" ).Execute(); I get the following error message Can't decide which property to consider the Key - you can create one called 'ID' or mark one with SubSonicPrimaryKey attribute Any clue on what I'm doing wrong?

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• Middel East XML Currency Conversion

  - by Tim

  Hi, Using the following script to do currency conversion which relies on an xml feed. http://www.white-hat-web-design.co.uk/articles/php-currency-conversion.php It grabs the data from the following feed... var $xml_file = "www.ecb.int/stats/eurofxref/eurofxref-daily.xml"; However this xml feed has limited currencies and i require currencies for the middle east. Does anyone know where i can find an xml file with middle east currencies or have any better suggestions? Any help would be appreciated.

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• When are ASP.NET Expression Builders most useful?

  - by SkippyFire

  I saw an example of using Expression Builders, and creating your own Custom Expression Builder Classes here: http://aspnet.4guysfromrolla.com/articles/022509-1.aspx However, I fail to see the value in using this approach. It doesn't seem much easier than programmatically setting values in your code behind. As far as I can tell, the only thing you can do with them is set properties. Maybe they would be useful for setting defaults on certain controls? Can anyone shed light on where this ASP.NET feature becomes powerful?

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• Java App Engine - ranked counter

  - by Richard

  I understand the sharded counter, here: http://code.google.com/appengine/articles/sharding_counters.html The problem is that a simple counter will not work in my application. I am sorting my entities by a particular variable so I am returned not so much a count, but more of a rank. My current method is: SELECT COUNT(this) FROM Entity.class WHERE value <= ? Result + 1 is then the rank of the parameter in relation to the value variable in the persistent Entity objects. The limitation of this is the highest rank being returned is 1001 because count() can give a maximum of 1000. The reason I cannot store the rank on the Entity object is that the ranks are updated very often, and re-setting this rank variable would be much too costly. Any ideas on the best way to accomplish this?

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• Server Side Javascript

  - by XGreen

  Hi all, I can't help to see in many sites I visit the enthusiasm about server side javascript and the appealing look of a single language governing all tiers of the site. Mozilla Rhino, Aptana Jaxer and various John Resig's articles are some of the highlights of my search. I wanted to ask for some input from you guys on SO. your opinions and preferably experience in this. I do most of the data access and business logic currently either with asp.net or php depending on the hosting package of the client. Is anyone among you who's gave up these for ssjs?

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• In a multithreaded app, would a multi-core or multiprocessor arrangement be better?

  - by Michael

  I've read a lot on this topic already both here (e.g., stackoverflow.com/questions/1713554/threads-processes-vs-multithreading-multi-core-multiprocessor-how-they-are or http://stackoverflow.com/questions/680684/multi-cpu-multi-core-and-hyper-thread) and elsewhere (e.g., ixbtlabs.com/articles2/cpu/rmmt-l2-cache.html or software.intel.com/en-us/articles/multi-core-introduction/), but I still am not sure about a couple things that seem very straightforward. So I thought I'd just ask. (1) Is a multi-core processor in which each core has dedicated cache effectively the same as a multiprocessor system (balanced of course for processor speed, cache size, and so on)? (2) Let's say I have some images to analyze (i.e., computer vision), and I have these images loaded into RAM. My app spawns a thread for each image that needs to be analyzed. Will this app on a shared cache multi-core processor run slower than on a dedicated cache multi-core processor, and would the latter run at the same speed as on an equivalent single-core multiprocessor machine? Thank you for the help!

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• How to superpose two GwtCanvas ?

  - by Jeep314

  Hi, I'm trying to superpose two GwtCanvas (which use an Html5 canvas). I am able to get this effect by using an absolute panel. But by doing this, I can't get my object to fill my panel. I would like to this so I can do a whiteboard in GWT. So far, I'm pretty advance but I would like to have multiple canvas overlay to support undo or preview. For example, if we draw a rectangle, it would be good to preview it as we move the mouse. I have found a javascript tutorial to do this : ex: http://dev.opera.com/articles/view/html5-canvas-painting/ There is a javascript example, but I'm not sure how to do the bridge between GWT and JavaScript. Any ideas ?

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• How to I create an HQL query to return objects in a many to many relationship?

  - by Dave

  Hi there. I have an application that includes 2 classes Club and Article. These are mapped in Hibernate as a many to many relationship. As a result, hibernate has created a table called CLUB_ARTICLE which it uses to manage the many to many relation ship. The CLUB and ARTILCE tables have no direct reference to each other and the mapping is only represented in the CLUB_ARTICLE table. I need to create an HQL query that returns a list of articles for a particlular club. So I need to supply the club id and get back a list of Article objects that belong to it. For some reason, I just can't work out how to do this. Any help would be very much appriciated! Thanks.

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• Django App for Image heavy Magazine Publishing?

  - by stapler

  I'm about to begin work on a Django project for an image heavy non-profit "community arts" magazine. The magazine is published monthly with about 6-8 articles that include with 4-10 images. I've been looking around for other projects that people have started specifically for publishing in Django... Are there any publishing specific Django apps you'd recommend? At the moment the only thing I can find is django-newsroom which looks interesting. Currently I'm just Image Kit / Photologue to attach galleries to an Article Model... but I'd love to figure out a way to more fully integrate images into the article content. Thanks in advance

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• WAN Optimization Resources

  - by Paul

  I'm looking for resources on writing software to do WAN optimization. I've googled this and searched SO, but there doesn't seem to be much around. The only things I've found are high-level articles in tech magazines, and info for network admins on how to make use of existing WAN optimization products. I'm looking for something on the techniques etc. used to write WAN optimization software. It seems to be a dark art, and the people who know how to do it, guard their secrets closely. Any suggestions?

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• What happens after a packet is captured?

  - by Rayne

  Hi all, I've been reading about what happens after packets are captured by NICs, and the more I read, the more I'm confused. Firstly, I've read that traditionally, after a packet is captured by the NIC, it gets copied to a block of memory in the kernel space, then to the user space for whatever application that then works on the packet data. Then I read about DMA, where the NIC directly copies the packet into memory, bypassing the CPU. So is the NIC - kernel memory - User space memory flow still valid? Also, do most NIC (e.g. Myricom) use DMA to improve packet capture rates? Secondly, does RSS (Receive Side Scaling) work similarly in both Windows and Linux systems? I can only find detailed explanations on how RSS works in MSDN articles, where they talk about how RSS (and MSI-X) works on Windows Server 2008. But the same concept of RSS and MSI-X should still apply for linux systems, right? Thank you. Regards, Rayne

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• Keep only a subtree of the DOM tree

  - by Randomblue

  On BBC articles, such as this one, there is a DOM element with class story-body, deep in the DOM chain. I want to hide all DOM element "outside" of this (unique) DOM element. The problem is that I can't just do $('*').hide(); $('.story-body'); because I need to make sure to keep the parents, grand-parents, etc. of story-body. I also can't do $('*').hide(); var current = $('.story-body').show(); while(current = current.parent()) { current.show(); } because that would simply show everything. Any suggestions?

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• Actionscript 3 reflection class questions

  - by VPDD

  I found this reflection class: http://www.adobe.com/devnet/flash/articles/reflect_class_as3.html However, I have some questions about it. Let´s say I have a moviclip named “ref_mc”, to add a reflection I use: import com.pixelfumes.reflect.*; var r1:Reflect = new Reflect({mc:ref_mc, alpha:50, ratio:50, distance:0, updateTime:0, reflectionDropoff:1}); Now, the questions: 1) How do I update the parameters for the reflection r1 after it is created? 2) Is there a way to check whether the movieclip “ref_mc” already has a reflection? 3) Anyone has the .fla for the example with bars adjustments and code sample shown on the page (it is not on the download .zip)? Thanks in advance.

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• Does python have one way of doing things?

  - by gath

  I have always seen in python articles/books that python is simple and it has only one way of doing things. I would like someone to explain to me this concept keeping in mind the example below, if i wanted to get the min and max values of sequence i would do the following; seq=[1,2,3,4,5,6] min(seq) #1 max(seq) #6 but i can also do this; seq[:1] #1 seq[-1] #6 surely this are two ways of doing one simple thing. This confuses me a bit. Gath

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• Extending User object in Django: User model inheritance or use UserProfile?

  - by Chris

  To extend the User object with custom fields, the Django docs recommend using UserProfiles. However, according to this answer to a question about this from a year or so back: extending django.contrib.auth.models.User also works better now -- ever since the refactoring of Django's inheritance code in the models API. And articles such as this lay out how to extend the User model with custom fields, together with the advantages (retrieving properties directly from the user object, rather than through the .get_profile()). So I was wondering whether there is any consensus on this issue, or reasons to use one or the other. Or even what the Django team currently think?

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• Changing an extention method from linq-to-sql to entity framework

  - by Jova

  I'm changing my project from working with Linq-to-SQL to working with Entity Framework. I have some extention methods that extend the classes created by LINQ and I'm wondering how to change them to work with the entities instead Here's an example. public static int GetPublishedArticlesCount(this Table<Article> source) { return GetPublishedArticles(source.Context as DataContext, null).Count(); } This method gets the number of published articles. Instead of using this Table<Article>, what should I use instead?

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• 2d terrain generation in real time

  - by Skoder

  Hey, I'm trying to create a game similar to this (Note:When you click 'play', there are SFX in the game which you can't seem to turn off, so you may want to check volume). In particular, I'm interested in knowing how the 'infinite' landscape is generated. Are there any tutorials/articles describing this? I came across procedural generation, but I'm not quite sure what topics I should be looking for (or if it's even procedural generation). (I'm using C#, but I don't mind the language as I assume the theory behind it remains the same) Thanks for any suggestions

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• When should I open and close a website's cached WCF proxy?

  - by Brandon Linton

  I've browsed around the other articles on StackOverflow that relate to caching WCF proxies for reuse, and I've read this article explaining why I should explicitly open the proxy before calling anything on it. I'm still a little hazy on the best implementation details. My question is: when should I open and close proxies for service calls on a website, and what should their lifetime be (per call, per request, or per web app)? We aren't planning on leveraging cached security contexts at the moment (but it's not unforeseeable). Thanks!

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• .NET custom form designer: How to implement IMenuCommandService?

  - by jonny

  I've got a report form designer written long ago for a database project. It used a lot of winapi magic hence i was forced to rewrite some parts 'in proper way'. Thanks to some articles from MSDN magazine (here and here) and CodeProject i was able to implement designer surface, toolbox and undo/redo engine. Every resource i discovered on the topic so far is a bit outdated. Can you point to fresh/comprehensive article? Code from article mentioned above seems not working. MenuCommandService.ShowContextMenu is called but nothing appears since there aren't any DesignerVerbs in globalVerbs collection. Should i add 'standard' ones, corresponded to designer actions such as cut/paste, manually? If yes, how can i accomplish this?

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• WPF Application Typing in Custom TextBox CPU Jumping from 3 to 80 percent

  - by azamsharp

  I have created a RichTextBox called SharpTextBox which indicates and limits the number of characters that can be typed in it. The implementation is shown in the following link: http://www.highoncoding.com/Articles/673_Creating_SharpRichTextBox_for_Live_Character_Count_in_WPF.aspx Anyway when I start typing in the TextBox it goes from 3% to 78%. The TextBox updates the Label control which shows the number of characters remaining for the count. How can I increase the performance of the textbox? UPDATE: I read there seems to be some problem with the TextRange.Text property which kills performance.

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