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• How do I find useful code previously deleted but still stored in source control?

  - by sharptooth

  Whenever someone asks what to do with code that is no longer needed the answer is usually "delete it, restore it from source control if you need it back". Now how do I find that piece of source code in the repository? Let's limit scope to SVN for simplicity - I suspect that using any other source control system will not make much difference in this aspect (correct me if I'm wrong). If I delete that code and commit the changes it will no longer be in the latest revision. How do I find it without exporting each revision and searching thoroughly (which is nearly impossible)?

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• Subversion pre-commit hook to clean XML from WebDAV autocommit client

  - by rjmunro

  I know that it isn't normally safe to modify a commit from a pre-commit hook in Subversion because SVN clients will not see the version that has been committed, and will cache the wrong thing, but I'd like to clean the code from a versioning-naïve WebDAV client that won't keep a local cached copy. The idea is that when I look at the repository with an SVN client, the diffs are clean. The client, by the way is MS Word, using 2003 XML format files. We're already using this format in a WebDAV system, but we'd like to add a versioning capability for expert users. Everywhere I look for documentation on how to modify the code in a pre-commit hook, I get the answer "Don't do this", not the answer "Here's how to do this, but it's reccomeded you don't", so I can't even easily try it to see if it's going to cause me problems.

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• How do I join two git repos without a common root, where all modified files are the same?

  - by Evan Carroll

  I have a git-cpan-init of a repo which yielded a different root node from another already established git repo I found on github C:A:S:DBI. I've developed quite a bit on my repo, and I'd like to merge or replay my edits on a fork of the more authoritative repository. Does anyone know how to do this? I think it is safe to assume none of the file-contents of the modified files are different -- the code base hasn't been since Nov 08'. For clarity the git hub repo is the authoritative one. My local repo is the one I want to go up to git hub shown as a real git fork.

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• Mixing Transaction Script pattern with DDD/CQRS

  - by Herman

  Hi all, Here is the situation, in order to support our legacy system, we need to insert to a table whenever a user logs in. This is basically an CRUD operation, so it doesn't really make sense to create repository/entity/command/event for this since this doesn't tie to any business rules at all. The only benefit to create a CQRS command is that this database write can happen asynchronously under that model. Which is a better route to take? Use CQRS, and then call a stored proc. when handling that command? Just call database directly in the controller (I am using asp.net mvc)

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• Export and Import MS Access table defenitions as text files

  - by CodeSlave

  How can I export/import MS Access table definitions as text files (in a human readable format like I can with Forms or Reports)? I know how I can export the whole table out into CSV file; however: I don't need the data to go (actually really rather that it didn't) When I import a CSV file (especially without data) there's no guarantee that the data types will be the same as my original database. I'm hoping to store my table definitions in a SVN repository. I don't want to have to house any import specifications in the destination database.

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• Use delegate for Projection in Linq to SQL

  - by Redeemed1

  I have code something like this in an IRepository implementation in Linq to Sql: var newlist = from h in list where h.StringProp1 == "1" select new MyBusinessBO{ firstProp = h.StringProp1, secondProp = h.StringProp2 }; The projection into MyBusinessBO is not difificult but when the Business Object has many properties the projection code becomes very lengthy. Also, as the projection can occur in several places in the Repository we break the DRY principle. Is there any way to abstract out the projection or replace it with a delegate? I.e. replace the code firstProp = h.StringProp1, secondProp = h.StringProp2 with something reusable?

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• Surely there is a better grid than DataGrid for the .NET Compact Framework...

  - by PavelR

  Having spent a couple of days wrestling with DataGrid in .NET CF, especially controlling the look and feel, I'm looking for alternatives. I don't mind purchasing a solution. I'm looking for Redistributable to our enterprise customers. We control the hardware so it doesn't have to work perfectly on every device. Display strings and numbers in columns with headings. Scrollable, but no paging. Don't row editing. Need to add and delete rows. User re-sizable column widths, and a way to persist that. Work with .NET CF 2.0 or 3.5 on Windows CE 6.0 Any suggestions on grids or toolkits?

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• Strategy for developing namespaced and non-namespaced versions of same PHP code

  - by porneL

  I'm maintaining library written for PHP 5.2 and I'd like to create PHP 5.3-namespaced version of it. However, I'd also keep non-namespaced version up to date until PHP 5.3 becomes so old, that even Debian stable ships it ;) I've got rather clean code, about 80 classes following Project_Directory_Filename naming scheme (I'd change them to \Project\Directory\Filename of course) and only few functions and constants (also prefixed with project name). Question is: what's the best way to develop namespaced and non-namespaced versions in parallel? Should I just create fork in repository and keep merging changes between branches? Are there cases where backslash-sprinkled code becomes hard to merge? Should I write script that converts 5.2 version to 5.3 or vice-versa? Should I use PHP tokenizer? sed? C preprocessor? Is there a better way to use namespaces where available and keep backwards compatibility with older PHP?

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• How to become MCT

  - by Incognito

  Hi, Are there any MCTs here. Please let us know the path to it. I have done some research on it, but would be interesting to know that from first hands. Or may be someone also wants to pass for MCT can share some experience. I can see in requirements Meet MCT competency requirements for each course they deliver. Administer course evaluations to every student and maintain high customer-satisfaction scores. New MCTs must deliver at least one Microsoft course within their first year as an MCT. At various times during the program year. I am ok with the first point (MCPD Enterprise, planning for CopmTIA shortly), but includes the last 2 points? Do I need to find some training centers to have agreement with them or ... Thank you.

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• Perforce "Locked client" error

  - by Thanatos

  I'm new to Perforce, and it is not going well at all. But currently, I am completely stuck, as all I can get it to say is: $ p4 open a_code_file.cpp Locked client 'my_hostname' can only be used by owner 'perforce'. I have absolutely no idea what I did to upset it, and the error message itself is meaningless gibberish to me. "perforce" doesn't own anything - all the files are owned by me. I am in a Perforce repository, ie, there's a .p4rc a few directories up. Edit: It only seems to be some files. If I: $ cd some_other_directory_in_the_repo $ p4 open a_file ... it works. So it's only some things...

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• where should i encode this html data in an asp.net mvc site

  - by ooo

  here is my view code: <%=Model.HtmlData %> here is my controller code: public ActionResult GetPage() { ContentPageViewModel vm = new ContentPageViewModel(); vm.HtmlData = _htmlPageRepository.Get("key"); return View(vm); } my repository class basically queries a database table that has the fields: id, pageName, htmlContent the .Get() method passes in a pageName (or key) and returns the htmlContent value. Right now i have just started this (haven't persisted anything to the db yet) so i am not doing any explicit encoding in my code now. What is the best practice for where i need to do encoding (in the model, the controller, the view ??)

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• How should I structure my git commits?

  - by int3

  I'm trying to contribute to open source software for the first time, but I'm pretty inexperienced with version control systems. In particular, right now I want to make a number of changes to different parts of the code, but I'm not sure if the maintainer would want to integrate all of them into the master repository. However, the changes I'll be making are independent, i.e. they affect different parts of the file, or parts of different files. How should I go about making the changes? If I make a string of commits on the same branch, will the maintainer be able to pick and choose what he wants from the individual commit? E.g. can he patch in the changes I made in my second commit while ignoring the first one? Or should I make each change in a separate branch?

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• How to retrieve a bigint from a database and place it into an Int64 in SSIS

  - by b0fh

  I ran into this problem a couple years back and am hoping there has been a fix and I just don't know about it. I am using an 'Execute SQL Task' in the Control Flow of an SSIS package to retrieve a 'bigint' ID value. The task is supposed to place this in an Int64 SSIS variable but I getting the error: "The type of the value being assigned to variable "User::AuditID" differs from the current variable type. Variables may not change type during execution. Variable types are strict, except for variables of type Object." When I brought this to MS' attention a couple years back they stated that I had to 'work around' this by placing the bigint into an SSIS object variable and then converting the value to Int64 as needed. Does anyone know if this has been fixed or do I still have to 'work around' this mess? edit: Server Stats Product: Microsoft SQL Server Enterprise Edition Operating System: Microsoft Windows NT 5.2 (3790) Platform: NT INTEL X86 Version: 9.00.1399.06

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• Linux standard input issue

  - by George2

  Hello everyone, I am new to Linux. And I am using Red Hat Enterprise Version 5. There is a ruby program which use standard input as its input (e.g. the Ruby program process input from standard input). I think standard input should be keyboard, correct? So, I think other kinds of input (non-standard input) should not work (i.e. the ruby program should not be able to read input from such non-standard input), but actually I have tried using pipe works, I am so confused because I think pipe should be some other kinds of input -- other than standard input, why it could work? i.e. put text "123" in abc.txt with pipe, could achieve the same result as using keyboard as input to type "123" for the ruby program. Here is the sample which works and makes me confused, cat abc.txt | ~/test/rubysrc/foo.rb thanks in advance, George

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• Picking Up Repositories With Structuremap

  - by alphadogg

  I am not sure how to use StructureMap to scan for all repositories in a particular namespace. Most repositories take the form: namespace CPOP.Infrastructure.Repositories { public class PatientRepository : LinqRepository<Patient>, IPatientRepository { } } namespace CPOP.Infrastructure.Repositories { public class LinqRepository<T> : Repository<T>, ILinqRepository<T> { } } namespace CPOP.Domain.Contracts.Repositories { public interface IPatientRepository : ILinqRepository<Patient> { } } I tried: x.Scan(scanner => { scanner.Assembly(Assembly.GetExecutingAssembly()); scanner.ConnectImplementationsToTypesClosing(typeof(ILinqRepository<>)); }) But, it only picks up the LinqRepository class. What's the best way to pick up the various repositories I'll be dumping in there?

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• Select row data as ColumnName and Value

  - by Bobcat1506

  I have a history table and I need to select the values from this table in ColumnName, ColumnValue form. I am using SQL Server 2008 and I wasn’t sure if I could use the PIVOT function to accomplish this. Below is a simplified example of what I need to accomplish: This is what I have: The table’s schema is CREATE TABLE TABLE1 (ID INT PRIMARY KEY, NAME VARCHAR(50)) The “history” table’s schema is CREATE TABLE TABLE1_HISTORY( ID INT, NAME VARCHAR(50), TYPE VARCHAR(50), TRANSACTION_ID VARCHAR(50)) Here is the data from TABLE1_HISTORY ID NAME TYPE TRANSACTION_ID 1 Joe INSERT a 1 Bill UPDATE b 1 Bill DELETE c I need to extract the data from TABLE1_HISTORY into this format: TransactionId Type ColumnName ColumnValue a INSERT ID 1 a INSERT NAME Joe b UPDATE ID 1 b UPDATE NAME Bill c DELETE ID 1 c DELETE NAME Bill Other than upgrading to Enterprise Edition and leveraging the built in change tracking functionality, what is your suggestion for accomplishing this task?

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• m2eclipse/svn project with packaging of pom

  - by wuntee

  I have a project with the following layout taac * taac-web * taac-backend-api * taac-scheduler all of this is checked into an SVN repository. When creating a new project in eclipse (originally) I checked out the root taac directory, and it gave me the option to select each of the sub-projects to create new eclipse projects for. I had a problem with svn and had to remove the projects from eclipse, and now when trying to check them out, i no longer get this option. If I select just the sub-projects, then their pom's are invalid (due to not having the parent pom).... Does anyone know how to get that option to select each separate project out?

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• Viewing Crystal Reports other than through custom developed webform or winform apps

  - by Andrew

  At work we currently have a custom in-house built winforms app for the business users to view reports. It has role-based security and several administrator functions. My boss is thinking about getting me to port this app to webforms. My question is, are there options other than custom built winforms and webforms apps for deploying/viewing/administrating Crystal Reports at an enterprise level (role-based security, easy report deployment, etc)? I'm thinking about third-party packages or perhaps applications provided by Microsoft/Business Objects/SAP? We are using Crystal Reports 11.5.

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• Can GIT, Mercurial, SVN, or other version control tools work well when project tree has binary files

  - by Jian Lin

  Sometimes our project tree can have binary files, such as jpg, png, doc, xls, or pdf. Can GIT, Mercurial, SVN, or other tools do a good job when only part of a binary file is changed? For example, if the spec is written in .doc and it is part of the repository, then if it is 4MB, and edited 100 times but just for 1 or 2 lines, and checked in 100 times during the year, then it is 400MB. If it is 100 different .doc and .xls files, then it is 40GB... not a size that is easy to manage. I have tried GIT and Mercurial and see that they both seem to add a big size of data even when 1 line is changed in a .doc or .pdf. Is there other way inside of GIT or Mercurial or SVN that can do the job?

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• Difficulty to start up with basic unit test (Sample from my book -- SportsStore)

  - by Richard77

  Hello, I'm really new in TDD and, actually, I'm trying to follow the sample from my book (SportsStore -- Pro ASP.NET MVC Framework/Steve Sanderson/APRESS). I'm on pages 103-105. Although there are more on this, as new to all of this, I'm concerned with the following statements. ProductsController controller = new ProductsController(repository); var result = controller.List(2); //... regarding the above statements, when I write this (as in the book), var products = result.ViewData.Model as IList<Product>; I get a compiler error "System.Web.MVC.ActionResult" does not contain a definition for ViewData ..." But, when I remove the List() from the statement, then the compiler error disapear. var result = controller.List(2);//Doesn't work var result = controller;//It works Is something wrong there? I checked Apress website for that book, but there is nothing listed as Errata or issue. So I'm really lost. Thanks for helping

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• What should I learn to improve my Java skills ?

  - by hory.incpp

  Hello, I currently know Java SE and I want to learn something more 'enterprise'. I would like something more distributed (app server, server programming, web, content management system ...) but any suggestion is ok. There are many frameworks which I've heard: spring, hibernate, persistence, ejb, jsp, servlet, jsf, jboss, glassfish, ant etc etc etc etc. I'm very confused where to start. So the question is: Can somebody explain to me what actually there frameworks are; and which one should I start with ? Thank you.

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• Starting synergy automatically on RHEL/CentOS

  - by Matt

  I have a Red Had Enterprise Linux 5 and a CentOS 5 box, both of which I am trying to configure to automatically connect to a synergy server on startup. I have followed the guide at http://synergy2.sourceforge.net/autostart.html and configured them the same way I configured previous Ubuntu 7.10 boxes, and this only seems to get me half way there. Currently, synergy connects at the login screen, but once I login, it doesn't come back up. I added the following lines to /etc/gdm/{Init,PostLogin,PreSession}/Default : /usr/bin/killall synergyc sleep 1 /usr/bin/synergyc fried-chicken # Init,PreSession only All files are owned by root:root with 755 permissions, I'm just not sure what I'm missing here.

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• SQL Server indexed view matching of views with joins not working

  - by usr

  Does anyone have experience of when SQL Servr 2008 R2 is able to automatically match indexed view (also known as materialized views) that contain joins to a query? for example the view select dbo.Orders.Date, dbo.OrderDetails.ProductID from dbo.OrderDetails join dbo.Orders on dbo.OrderDetails.OrderID = dbo.Orders.ID cannot be automatically matched to the same exact query. When I select directly from this view ith (noexpand) I actually get a much faster query plan that does a scan on the clustered index of the indexed view. Can I get SQL Server to do this matching automatically? I have quite a few queries and views... I am on enterprise edition of SQL Server 2008 R2.

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• java System.nanoTime is really slow. Is it possible to implement a high performance java profiler?

  - by willpowerforever

  I did a test and found the overhead of a function call to System.nanoTime() is at least 500 ns on my machine. Seemed that it is very hard to have a high performance java profiler. For enterprise software, suppose a function takes about 350 seconds and has 12,500,000,000 times of method calls. Therefore, the number of calls to System.nanoTime() is: 12,500,000,000 * 2 = 25,000,000,000 (one for start timestamp, one for end timestamp) And the overhead of System.nanoTime in total is: 500 ns * 25,000,000,000 = 500 * 25000 s = 12500000s. Note: all data from real case. Any better way to acquire the timestamp?

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• Maeven et version de jar

  - by bgerin

  Bonjour, je débute en maeven 2 et j'ai un probleme avec la version d'un des jar de mon projet. Dans mon pom.xml j'ai bien : commons-logging commons-logging 1.1.1 Mais, dans mon war je retrouve la version 1.0.3. Comment est-ce-possible? j'ai bien la 1.1.1 dans mon repository en plus. Comment voir d'où elle provient? C'est un projet que j'ai repris, le pom "perent" mentionne cette version, le pom de mon war référence le pom parent. Merci,

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