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• TFS 2008 and Common libraries folder structure.

  - by Doerr

  TFS 2008 and Common Libraries I have created a Team Project called "Common Library" that will host code used in numerous different Team Projects throughout TFS. For sake of argument, lets say we have 2 distinct Librarys under the "Common Library" Team Projects, MailProject and LoggingProject. Other projects throughout TFS will be using the binary representation of these projects via branching and not the actual source code. What is the best way to set up the folder structure for this Team Project? Do I add the project to the "Common Library" and simply "include" the bin/release folder as part of the project? I have seen some examples of people creating a seperate "Deploy" folder. I assume this is synonamous with the bin/release folder?

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• Why is '\x' invalid in Python?

  - by Paul McGuire

  I was experimenting with '\' characters, using '\a\b\c...' just to enumerate for myself which characters Python interprets as control characters, and to what. Here's what I found: \a - BELL \b - BACKSPACE \f - FORMFEED \n - LINEFEED \r - RETURN \t - TAB \v - VERTICAL TAB Most of the other characters I tried, '\g', '\s', etc. just evaluate to the 2-character string of a backslash and the given character. I understand this is intentional, and makes sense to me. But '\x' is a problem. When my script reaches this source line: val = "\x" I get: ValueError: invalid \x escape What is so special about '\x'? Why is it treated differently from the other non-escaped characters?

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• MS Excel 03 - Deleting rows that have live string identifiers in column A, while concatenating other

  - by Justin

  I have this xml document that is provided as a data feed (right off the bat I can not modify the source of the data feed) and i import it into excel with the xml import. there is no schema that comes with this xml so i get a table that ends up having a whole bunch of duplicates for an identifier, because of the unique values spread throughout the spreadsheet. XML in XLS Col1(IDnum) Col2(name) Col3(Type) Col4(Category) Col(etc) ================================================================= 0011 Item 01 6B 0011 Item xxj9 7B 0011 Item xxj9 0011 Item 02 0011 Item 01 xxj9 6B 0012 etc I need to delete all rows where columnA string/number matches while concatenating all potential values from Col3, Col4 & Col5 together so it looks like this Col1(IDnum) Col2(name) Col3(Type) Col4(Category) Col(etc) ================================================================= 0011 Item 01, 02 xxj9 6B, 7B what visual basic method would allow me to accomplish this? thanks

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• Copying a database into a new database including structure and data

  - by Jason

  In phpMyAdmin under operations I can "Copy database to:" and select Structure and data CREATE DATABASE before copying Add AUTO_INCREMENT value I need to be able to do that without using phpMyAdmin. I know how to create the database and user. I have a source database that's a shell that I can work from so all I really need is the how to copy all the table structure and data part. (I know, the harder part) system() & exec() are not options for me which rules out mysqldump. (I think) How can I loop through each table and recreate it's structure and data? Is it just looping through the results of SHOW TABLES then for each table looping through DESCRIBE tablename Then, is there an easy way for getting the data copied?

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• difference between 2 pieces Python code

  - by draw

  Hello, I'm doing an exercise as following: # B. front_x # Given a list of strings, return a list with the strings # in sorted order, except group all the strings that begin with 'x' first. # e.g. ['mix', 'xyz', 'apple', 'xanadu', 'aardvark'] yields # ['xanadu', 'xyz', 'aardvark', 'apple', 'mix'] # Hint: this can be done by making 2 lists and sorting each of them # before combining them. sample solution: def front_x(words): listX = [] listO = [] for w in words: if w.startswith('x'): listX.append(w) else: listO.append(w) listX.sort() listO.sort() return listX + listO my solution: def front_x(words): listX = [] for w in words: if w.startswith('x'): listX.append(w) words.remove(w) listX.sort() words.sort() return listX + words as I tested my solution, the result is a little weird. Here is the source code with my solution: http://dl.dropbox.com/u/559353/list1.py. You might want to try it out.

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• What things didn't you know you needed but are now very glad you have?

  - by DrStalker

  Take a programmer that has never used source control, show them what it does, and their eyes light up... the benefits are obvious but until they actually see it most people had never considered the existence of such a tool. What other such things exist? Tools or approaches or techniques that aren't obvious before you encounter them, but once seen have obvious value. Things that are likely so ingrained in the way you work that it's hard to think of working without them, things almost embarrassing to bring up because you expect the other person to say "duh, that's obvious!" No matter how petty something seems there is a chance that other people don't know about it yet; I'd like to get an idea on what things I'm missing simply because I never thought of them.

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• Not getting return value

  - by scottO

  I am trying to get a return value and it keeps giving me an error. I am trying to grab the "roleid" after the username has been validated by sending it the username-- I can't figure out what I am doing wrong? public string ValidateRole(string sUsername) { string matchstring = "SELECT roleid FROM tblUserRoles WHERE UserName='" + sUsername +"'"; SqlCommand cmd = new SqlCommand(matchstring); cmd.Connection = new SqlConnection("Data Source=(local);Initial Catalog="mydatabase";Integrated Security=True"); cmd.Connection.Open(); cmd.CommandType = CommandType.Text; SqlDataAdapter sda = new SqlDataAdapter(); DataTable dt = new DataTable(); sda.SelectCommand = cmd; sda.Fill(dt); string match; if (dt.Rows.Count > 0) { foreach (DataRow row in dt.Rows) { match = row["roleid"].ToString(); return match; } } else { match = "fail"; return match; } }

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• C++: Switching from MSVC to G++: Global Variables

  - by feed the fire

  I recently switched to Linux and wanted to compile my Visual Studio 2010 C++ source code, which uses only the STL, on G++. My Linux machine currently isn't available but I can try to tell you what is going on, first: As I try to compile my project, all global variables I use in main and which perfectly work on MSVC result in myGlobalVar is not defined in this scope errors. My project is built nearly the same as the example below: // myclass.h class myClass { // .... }; extern myClass globalInstance; // myclass.cpp #include "myclass.h" // myClass functions located here myClass globalInstance; // main.cpp #include "myclass.h" int main( ) { // Accessing globalInstance results in an error: Not defined in this scope } What am I doing wrong? Where are the differences between G++ and MSVC in terms of global variables?

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• Get detailed information on FileSystemEventArgs.ChangeType

  - by case23

  I using the FileWatcher Class to locate changes on Files in a specific Folder. I managed to detect Changes on Files but not detailed Information. On the WatcherChangeTypes Enumeration Page http://msdn.microsoft.com/en-us/library/t6xf43e0%28v=VS.100%29.aspx they write the Change Type detects the changes include: changes to size, attributes, security settings, last write, and last access time. Is there a way to detect which kind of change happened? Thats the Event handler method i use. private void OnChanged(object source, FileSystemEventArgs e) { Console.WriteLine("File: " + e.FullPath + " Change Type: " + e.ChangeType); } Thank you in advance Case

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• Calling some functions before main in C

  - by minjang

  I'd like to do some stuffs before main function. I have multiple source files. In each file, there is some work that needs to be done before main. It was no problem in C++, but problematic with C. In C++, this can be done by two ways: Exploiting a constructor of a global class/struct. Calling a function to a global variable For example, static const int __register_dummy_ = __AddRegisterMetaInfo(...); However, in C, either ways is impossible. Obviously, there is no constructor. So, the first option is inherently impossible. I thought that the second option would be possible, but not compiled in C (I tested only with Visual C++. It gives C2099.). C only allows a constant to a non-automatic variable. Is there any way to call some functions before main?

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• problem loading resource from class library

  - by mishal153

  I have a class library (mylibrary) which has a resource called "close.png". I used redGate reflector to confirm that the resource is actually present in the dll. Now i use mylibrary.dll in a project where i attempt to extract this "close.png" resource like this : BitmapImage crossImage = new BitmapImage(); crossImage.BeginInit(); crossImage.UriSource = new Uri(@"/mylibrary;component/Resources/close.png", UriKind.RelativeOrAbsolute); crossImage.EndInit(); This BitmapImage crossImage is then used like : Button closeButton = new Button() { Content = new System.Windows.Controls.Image() { Source = crossImage }, MaxWidth = 20, MaxHeight = 20 }; On doing this i get no exceptions being thrown but the button shows no image. Also, i do see some exception info if i investigate the button's 'content' in the debugger.

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• How to find the most recent associations created between two objects with Rails?

  - by Kevin

  Hi, I have a user model, a movie model and this association in user.rb (I use has_many :through because there are other associations between these two models): has_many :has_seens has_many :movies_seen, :through = :has_seens, :source = :movie I'm trying to get an array of the ten most recent has_seens associations created. For now, the only solution I found is to crawl through all the users, creating an array with every user.has_seens found, then sort the array by has_seen.created_at and only keep the last 10 items… Seems like a heavy operation. Is there a better way? Kevin

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• MP4 video plays on localhost but not after publish

  - by teahou

  I made a video using Camtasia Studio 8. I added it to my MVC App and ran it on local host, video plays fine. I publish to my local dev web server (windows server 2008), the video will not play. Gives no error. I have tried on chrome and IE11. On chrome I checked the network tab and it says "Status - Cancelled". Do I need to make some changes on the web server settings? <video width="320" height="240" controls="controls"> <source src="@Url.Content("~/Content/videos/3_Comments_Letters.mp4")" /> </video>

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• getResourceAsStream() is always returning null

  - by Andreas Grech

  I have the following structure in a Java Web Application: TheProject -- [Web Pages] -- -- [WEB-INF] -- -- -- abc.txt -- -- index.jsp -- [Source Packages] -- -- [wservices] -- -- -- WS.java In WS.java, I am using the following code in a Web Method: InputStream fstream = this.getClass().getResourceAsStream("abc.txt"); But it is always returning a null. I need to read from that file, and I read that if you put the files in WEB-INF, you can access them with getResourceAsStream, yet the method is always returning a null. Any ideas of what I may be doing wrong? Btw, the strange thing is that this was working, but after I performed a Clean and Build on the Project, it suddenly stopped working :/

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• Count the number of objects in an Image

  - by kunjaan

  I am investigating the possibility of image processing to identify certain objects and also count them in an image. I will be given a picture and I need to identify the number of boxes present in that image. Does anybody have any experience with any Machine Vision/ Image Processing libraries like ImageJ, Fiji, JAI, jMagick ,Java Vision Toolkit? Which do you think is best suited for the job? What do you guys suggest? If the APIs can be used from Java, it would be better. Thank you. Edit: I am dealing with warehouse brown boxes. Yes I am talking about regular photos. The source is usually a mobile phone picture.

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• What are your experiences as a programmer?

  - by jenf

  I haven't finished school yet and plan on studying Informatics and searching a job as a programmer. However I don't know any real programmers and so I don't have a real source for information on how their job actually is. I apologize if this question is subjective but I think that it is an important one to ask. What do you actually program (with)? Do you generally work with one programming language or more? Do you like working with it/them? Do you like your job? Is it kind of a hobby and a job at once?

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• WPF StaticResource bound to subproperty

  - by mizipzor

  I have a class thats created as a resource: <Window.Resources> <Model:MyModel x:Key="model" /> </Window.Resources> The MyModel class has a cli property named Foo. I want the selected value in a combobox to be bound to this property. I thought I could do this but Im getting errors: <ComboBox SelectedItem="{Binding Source={StaticResource model.Foo}}" /> Heres the error: Cannot find resource named '{model.Foo}'. Where did I go wrong? What extra parameters do I need to specify to properly bind to a subproperty?

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• C++ conversion operator between types in other libraries

  - by Dave

  For convenience, I'd like to be able to cast between two types defined in other libraries. (Specifically, QString from the Qt library and UnicodeString from the ICU library.) Right now, I have created utility functions in a project namespace: namespace MyProject { const icu_44::UnicodeString ToUnicodeString(const QString& value); const QString ToQString(const icu_44::UnicodeString& value); } That's all well and good, but I'm wondering if there's a more elegant way. Ideally, I'd like to be able to convert between them using a cast operator. I do, however, want to retain the explicit nature of the conversion. An implicit conversion should not be possible. Is there a more elegant way to achieve this without modifying the source code of the libraries? Some operator overload syntax, perhaps?

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• Alternative to 'publish' in visual studio

  - by acidzombie24

  I am working on an app with configurable files. When i publish i notice 1) I get an installer which i dont think i can opt out of 2) I dont know where the install path is and if i change the config files the application will not install (maybe not run either if i edit them in the right place?) So what alternatives do i have? I would like some event i can run which builds in release mode then copies the release.exe and any config/media file and move it to path/deploy/prj/ so i can zip it or share it instead of a path in my sensitive path/src area (bonus is i can share deploy if i want all projects to be available (and no source)) Using visual studio 2010 -edit- also i need some data in src/relatedprj/bin/*, to be copied into the root

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• iPhone using Camera causes array to be unloaded

  - by Aaron Dale

  I have an array of images that I'm displaying in a UITableView. When choosing images from the library using the UIImagePicker, everything is totally fine and I can add a lot of images to the array. As soon as I add an image from the camera using the Picker I receive a memory warning and my array of images is ditched. Coming back from the camera picker, the table view is empty. The UIImagePicker when using the camera as the source generates a memory warning before I have a chance to resize the image.

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• Preventing a security breach

  - by Wiz

  I am creating a website where you "post", and the form content is saved in a MySql database, and upon loading the page, is retrieved, similar to facebook. I construct all the posts and insert raw html into a template. The thing is, as I was testing, I noticed that I could write javascript or other HTML into the form and submit it, and upon reloading, the html or JS would treated as source code, not a post. I figured that some simple encoding would do the trick, but using is not working. Is there an efficient way to prevent this type of security hole?

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• latex and bibtex problem

  - by Hellnar

  Hello, I am trying to compile an academical paper with chicago style citations. For this I am using a file named chicago.sty, Document compiles however I do not see any reference or citation.Instead I somehow get error when reading the paper.blg file: This is BibTeX, Version 0.99cThe top-level auxiliary file: paper.aux I couldn't open style file chicago.bst ---line 62 of file paper.aux : \bibstyle{chicago} What is a blg file, and how can I generate it from the .sty file so that my citations and references display properly. I do a such include: .... \usepackage{chicago} \addto\captionsenglish{\def\refname{Reference-List}} .... .... %at the bottom of the source file: \bibliographystyle{chicago} \singlespacing \bibliography{paper}%name of the bib file Regards.

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• (Windows) How to lock all applications (explorer, task manager etc.) and make only the browser activ

  - by Unni

  I'm trying to run only the browser in the system - locking access to everything else. Only the supervisor can resume the normal functioning of the system after giving a password. This kind of activity is usually done by virus. Disabling the registry for Task manager etc. Does anyone know of any source available that does this? I might be able to pull it off in Windows XP. But have anyone tried this in Windows 7 ? The aim is to to emulate the Chrome OS on Windows. Only the browser. Nothing else.

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• How can I get Weblogic to connect to a RedBrick database?

  - by Scott

  I am trying to get Weblogic 9.2.3 to talk to a legacy RedBrick database and am having trouble. I have the redbrick.jar file from the software installation and have added to my APP_RUNTIME_CLASSPATH and my MANIFEST_CLASSPATH. This is my jConnect template line: <url>jdbc:rbw:protocol:${DB_LT_SERVER}:${DB_LT_PORT}/${DB_LT_NAME}</url> <driver-name>redbrick.jdbc.RBWDriver</driver-name> (Variables get replaced with good values during build.) When starting up I get this error: weblogic.common.ResourceException: Unknown Data Source jConnectLT weblogic.common.resourcepool.ResourceSystemException: Cannot load driver class: redbrick.jdbc.RBWDriver Do I have to do more to make Weblogic see the RedBrick database? Thanks for any tips or pointers.

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• otal Number of records required in paged grid

  - by sumitchauhan

  I am using a data grid and has bound a data source with it. I am trying to get the total number of records in the grid in overriden InitializePager method from pagedDataSource DataSourceCount. I thought DataSourceCount returns number of records from SelectCountMethod of ObjectDataSource. But DataSourceCount is giving me the page size and not the total number of records, whereas when I debug and see in SelectCountMethod it is returning correct number of total Records. I am not sure how to get the data from SelectCountMethod in DataGrid.

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