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• bulk insert to SQL Server, insert statements vs one insert XML statement?

  - by Henry

  The application layer (ColdFusion) needs to insert multiple rows onto SQL Server 2005. I was thinking of using loop in app layer to construct multiple input statements and send to SQL Server over JDBC in a single connection. My colleague however suggests to construct an XML and bulk insert the XML instead. Which one is the better method?

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• How can you dispatch on request method in Django URLpatterns?

  - by rcampbell

  It's clear how to create a URLPattern which dispatches from a URL regex: (r'^books/$', books), where books can further dispatch on request method: def books(request): if request.method == 'POST': ... else ... I'd like to know if there is an idiomatic way to include the request method inside the URLPattern, keeping all dispatch/route information in a single location, such as: (r'^books/$', GET, retrieve-book), (r'^books/$', POST, update-books), (r'^books/$', PUT, create-books),

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• How can I switch to a tag/branch in hg?

  - by n179911

  Hi, I have followed the documentation in https://developer.mozilla.org/En/Developer_Guide/Source_Code/Mercurial And I have download FF source using this: hg clone http://hg.mozilla.org/mozilla-central/ src But how can i switch to the FF3.6 'branch' or 'tag'? The documentation said 'hg clone http://hg.mozilla.org/releases/mozilla-1.9.2/ 192src' but I don't want to clone both FF main and Ff3.6 twice? Thank you.

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• How does Eclipse/IDEA/etc. debugger obtain the information about local variable values and watch exp

  - by Bubba88

  I always thought that varibales are mapped to stack locations once your Java source is compiled; additionally, they may include the info about the variable names and their scope in classfiles, but that's optional AFAIK. The question is - how do my Eclipse/IDEA IDEs allow me to set a watch expression containing the local variable name? To me, it's hard to understand :)

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• jQuery Tag Editor?

  - by Alon

  Is there any open source tag editor for jQuery that works like the tag editor in stack overflow? Thank you.

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• Bulk Insert multiple records and get identity for all using ADO.NET

  - by Hasan Khan

  I want to batch insert multiple records in sql server database using ADO.NET command/sqldataadapter and get identity value generated for all the rows in a single database trip. What are my options?

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• DRY-ing very similar specs for ASP.NET MVC controller action with MSpec (BDD guidelines)

  - by spapaseit

  Hi all, I have two very similar specs for two very similar controller actions: VoteUp(int id) and VoteDown(int id). These methods allow a user to vote a post up or down; kinda like the vote up/down functionality for StackOverflow questions. The specs are: VoteDown: [Subject(typeof(SomeController))] public class When_user_clicks_the_vote_down_button_on_a_post : SomeControllerContext { Establish context = () => { post = PostFakes.VanillaPost(); post.Votes = 10; session.Setup(s => s.Single(Moq.It.IsAny<Expression<Func<Post, bool>>>())).Returns(post); session.Setup(s => s.CommitChanges()); }; Because of = () => result = controller.VoteDown(1); It should_decrement_the_votes_of_the_post_by_1 = () => suggestion.Votes.ShouldEqual(9); It should_not_let_the_user_vote_more_than_once; } VoteUp: [Subject(typeof(SomeController))] public class When_user_clicks_the_vote_down_button_on_a_post : SomeControllerContext { Establish context = () => { post = PostFakes.VanillaPost(); post.Votes = 0; session.Setup(s => s.Single(Moq.It.IsAny<Expression<Func<Post, bool>>>())).Returns(post); session.Setup(s => s.CommitChanges()); }; Because of = () => result = controller.VoteUp(1); It should_increment_the_votes_of_the_post_by_1 = () => suggestion.Votes.ShouldEqual(1); It should_not_let_the_user_vote_more_than_once; } So I have two questions: How should I go about DRY-ing these two specs? Is it even advisable or should I actually have one spec per controller action? I know I Normally should, but this feels like repeating myself a lot. Is there any way to implement the second It within the same spec? Note that the It should_not_let_the_user_vote_more_than_once; requires me the spec to call controller.VoteDown(1) twice. I know the easiest would be to create a separate spec for it too, but it'd be copying and pasting the same code yet again... I'm still getting the hang of BDD (and MSpec) and many times it is not clear which way I should go, or what the best practices or guidelines for BDD are. Any help would be appreciated.

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• one id for more than one widget android

  - by Labeeb P

  Hi, Is there any way to refer more than one widget (ui controls) by a single id For example i have many ImageView with same android:id="myimageview" And in my activity myimageview = (ImageView)findViewById(R.id.myimageview); So if i set an image using myimageview.setImageBitmap(somebitmap); i need that image in all of my Imageview with id myimageview But when i tried this only one of imageview got this change. Any idea to do this. Thank you.

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• Refactor custom wizard to reduce flicker

  - by Matthew Brown

  I have implemented a custom wizard control in C# windows forms by creating a base form which has the shared components and then making child forms for each step of the process. I then have a class which hides/shows the child forms when you move from one step to another. The problem is that flickering is bad when moving between forms. Does anyone know a way to either keep this method and reduce the flicker or refactor it to make it use a single form (which should definitely reduce the flicker)?

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• WPF: How to properly override the methods when creating custom control

  - by EV

  Hi, I am creating a custom control Toolbox that is derived from ItemsControl. This toolbox is supposed to be filled with icons coming from the database. The definition looks like this: public class Toolbox : ItemsControl { protected override DependencyObject GetContainerForItemOverride() { return new ToolboxItem(); } protected override bool IsItemItsOwnContainerOverride(object item) { return (item is ToolboxItem); } } Toolboxitem is derived from ContentControl. public class ToolboxItem : ContentControl { static ToolboxItem() { FrameworkElement.DefaultStyleKeyProperty.OverrideMetadata(typeof(ToolboxItem), new FrameworkPropertyMetadata(typeof(ToolboxItem))); } } Since the number of icons stored in a database is not known I want to use the data template: <DataTemplate x:Key="ToolBoxTemplate"> <StackPanel> <Image Source="{Binding Path=url}" /> </StackPanel> </DataTemplate> Then I want the Toolbox to use the template. <Toolbox x:Name="NewLibrary" ItemsSource="{Binding}" ItemTemplate="ToolBoxtemplate"> </Toolbox> I'm using ADO.NET entity framework to connect to a database. The code behind: SystemicsAnalystDBEntities db = new SystemicsAnalystDBEntities(); private void Window_Loaded(object sender, RoutedEventArgs e) { NewLibrary.ItemsSource = from c in db.Components select c; } However, there is a problem. When the code is executed, it displays the object from the database (as the ItemSource property is set to the object from the database) and not the images. It does not use the template. When I use the static images source it works in the right way I found out that I need to override the PrepareContainerForItemOverride method.But I don't know how to add the template to it. Thanks a lot for any comments. Additional Information Here is the ControlTemplate for ToolboxItem: <ControlTemplate TargetType="{x:Type s:ToolboxItem}"> <Grid> <Rectangle Name="Border" StrokeThickness="1" StrokeDashArray="2" Fill="Transparent" SnapsToDevicePixels="true" /> <ContentPresenter Content="{TemplateBinding ContentControl.Content}" Margin="{TemplateBinding Padding}" SnapsToDevicePixels="{TemplateBinding UIElement.SnapsToDevicePixels}" /> </Grid> <ControlTemplate.Triggers> <Trigger Property="IsMouseOver" Value="true"> <Setter TargetName="Border" Property="Stroke" Value="Gray" /> </Trigger> </ControlTemplate.Triggers> </ControlTemplate>

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• Are there faster XML parsers in Java than Xalan/Xerces

  - by jm04469

  I haven't found many ways to increase the performance of a Java application that does intensive XML processing other than to leverage hardware such as Tarari or Datapower. Does anyone know of any open source ways to accelerate XML parsing?

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• Error while running ASP site

  - by KSD

  Hi I have set Data Source(ODBC) for running ASP Site in my local Computer selected Microsoft Access Driver. Now I can run the whole site with out error.But If i apply leave then it will show an error. Microsoft OLE DB Provider for ODBC Drivers (0x80004005) [Microsoft][ODBC Microsoft Access Driver] Operation must use an updateable query. /eleave/leaveApplicationOut.asp, line 39

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• SQL to search duplicates

  - by Ram

  I have a table for animals like Lion Tiger Elephant Jaguar List item Cheetah Puma Rhino I want to insert new animals in this table and I am t reading the animal names from a CSV file. Suppose I got following names in the file Lion,Tiger,Jaguar as these animals are already in "Animals" table, What should be a single SQL query that will determine if the animals are already exist in the table.

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• approximating log10[x^k0 + k1]

  - by Yale Zhang

  Greetings. I'm trying to approximate the function Log10[x^k0 + k1], where .21 < k0 < 21, 0 < k1 < ~2000, and x is integer < 2^14. k0 & k1 are constant. For practical purposes, you can assume k0 = 2.12, k1 = 2660. The desired accuracy is 5*10^-4 relative error. This function is virtually identical to Log[x], except near 0, where it differs a lot. I already have came up with a SIMD implementation that is ~1.15x faster than a simple lookup table, but would like to improve it if possible, which I think is very hard due to lack of efficient instructions. My SIMD implementation uses 16bit fixed point arithmetic to evaluate a 3rd degree polynomial (I use least squares fit). The polynomial uses different coefficients for different input ranges. There are 8 ranges, and range i spans (64)2^i to (64)2^(i + 1). The rational behind this is the derivatives of Log[x] drop rapidly with x, meaning a polynomial will fit it more accurately since polynomials are an exact fit for functions that have a derivative of 0 beyond a certain order. SIMD table lookups are done very efficiently with a single _mm_shuffle_epi8(). I use SSE's float to int conversion to get the exponent and significand used for the fixed point approximation. I also software pipelined the loop to get ~1.25x speedup, so further code optimizations are probably unlikely. What I'm asking is if there's a more efficient approximation at a higher level? For example: Can this function be decomposed into functions with a limited domain like log2((2^x) * significand) = x + log2(significand) hence eliminating the need to deal with different ranges (table lookups). The main problem I think is adding the k1 term kills all those nice log properties that we know and love, making it not possible. Or is it? Iterative method? don't think so because the Newton method for log[x] is already a complicated expression Exploiting locality of neighboring pixels? - if the range of the 8 inputs fall in the same approximation range, then I can look up a single coefficient, instead of looking up separate coefficients for each element. Thus, I can use this as a fast common case, and use a slower, general code path when it isn't. But for my data, the range needs to be ~2000 before this property hold 70% of the time, which doesn't seem to make this method competitive. Please, give me some opinion, especially if you're an applied mathematician, even if you say it can't be done. Thanks.

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• What are the most useful software development metrics?

  - by kchad

  I would like to track metrics that can be used to improve my team’s software development process, improve time estimates, and detect special case variations that need to be addressed during the project execution. Please limit each answer to a single metric, describe how to use it, and vote up the good answers.

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• recommendations for firestorm dao replacement

  - by Casey

  I have taken over some code that has been using the Firestorm DAO code generator from CodeFutures. I believe that the license for this is going to be up soon, and was wondering if anyone could recommend any alternatives, open source or not, so that I can get an idea of what's out there to better make a decision.

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• what else text editors can be used to editor Objective-C code except xcode.

  - by Tony

  I am new to mac, my question is what else text editors can be used to edit Objective-C code except xcode. And which one is the best for productively editing source code?

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• Detect winning game in nought and crosses

  - by Dennis

  I need to know the best way to detect a winning move in a game of noughts and crosses. Source code doesn't matter, I just need a example or something I can start with. The only thing I can come up with is to use loops and test every direction for every move a player makes, to search for e.g five in a row. Is there a faster and more efficient way?

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• How does GMail display the sidebar?

  - by wrongusername

  You know, like the "Compose Mail," "Inbox," "Sent Mail," etc., on the left hand-side when you load up GMail? I did a search for "Compose Mail" in the page source and got nothing.

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• facebook connect for android

  - by Daniel Benedykt

  Hi I am looking for a solution for facebook connect for Android. Before I used an open source solution from codecarpet: http://code.google.com/p/fbconnect-android/ but now it doesnt work anymore. Now the Official facebook connect for Android is out, but there are about 11 big time issues and it fails almost all the time, so its not a real solution. http://github.com/facebook/facebook-android-sdk/ Any idea how to resolve this issue? Thanks

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• Unit testing with Entity Framework

  - by mosessaur

  I want to test my Entities that are built using Entity Framework. My concern is that using Entity Framework means directly working with data source. So any ideas how to unit testing Entity Framework based components?

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• How do I identify an ASP.NET MVC website?

  - by Alejandro

  I am trying to determine whether a company has websites built with ASP.NET MVC in their portfolio. Is there a reliable way of determining that without asking them assuming that I can visit the website in question in my browser? This might seem simple, but I wasn't able to find this information online. I would think that the lack of viewstate related stuff in the HTML source and the noun-verb URL structure would be good indicators. Are there any other indicators?

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• ABSMIDDLE works differently on firefox and chrome?

  - by Axel

  Hi, i have an icon image and text like the following, the code source of everything is : <img src="...." align="absmiddle" /> My Title Here The problem is that the icon is not aligned vertically with the title in chrome better than firefox. I think the absmiddle doesn't work at all ! is there any solution, i don't want to use a table with 2 columns to fix this issue. Thanks

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• iPhone OS SDK: Possible to download SDK 3.0 w/o Xcode?

  - by Cirrostratus

  I recently downloaded the iPhone SDK 4 along with Xcode and neglected to install 3.0 and 3.1. I've since deleted the install package. I of course can re-download the whole package, but for future reference, I wonder if you are able to download individual SDK versions separately and independent of Xcode, like you would with almost any open source package.

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• Using Maven for project distribution

  - by Thomas

  I have an Project that I distribute by sending out large packages. I'd like to know if there is a user friendly way of using Maven to distribute updates of the project? I'd need something like what is done for updating softwares like Firefox or Acrobat Reader. Check a respository, warn user of an update, download and reconfigure. All within a simple and friendly interface. Alternative open source java projects are welcome.

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