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• SVN project folder tree structure vs production folder tree structure

  - by Marco Demaio

  While developing a PHP+JS web application we always try to separate big blocks of code into small modules/components, in order to make these last ones as much reusable as possible in other applications. Let's say we now have: the EcommerceApp (an ecommerce main application) a Server-file-mgr component (a component to view/manage file on server) a Mylib (a library of useful functions) a MailistApp (another main application to handle mail lists) ... EcommerceApp needs both Server-file-mgr component and Mylib to work Server-file-mgr needs Mylib to work MaillistApp needs both Server-file-mgr component and Mylib to work too. My idea is to simply structure the SVN project folder tree putting everything at the same level: trunk/EcommerceApp trunk/Server-file-mgr trunk/Mylib trunk/MaillistApp But in real life to make these apps to work the folder tree structure must be the following: EcommerceApp |_ Mylib |_ Server-file-mgr MaillistApp |_ Mylib |_ Server-file-mgr I mean Mylib and Server-file-mgr needs to be inside the EcommerceApp/MaillistApp folder. How would you then structure the SVN folder, as I did or in a different/better/smarter way???

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• adding an existing implementation file to an xcode project won't work

  - by karsten

  As I write most of my code using MacVIM, I need to add the new files to the XCode project in order to compile them into the executable. Today however I encoutered an implementation file (.m) wich XCode won't allow to be added. It appears light gray the appropriate finder window as if it were already included in the project, but when I try to build, I get a linker error, stating that the symbol defined this implementation file could not be found. The corresponding header file could be added without problems. Any idea what could have caused this problem? Btw. I deleted a former version of the same file from the "Classes" tree before, as well as many others wich were successfully re-added. Thanks in advance.

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• (interactive) graph as in graph theory on a web page ?

  - by LB

  Hi, I have to integrate a graph with nodes and edges on a web page. Ideally, i would like to be able to interact with it (like moving the nodes around). Actually, i'm beginning by representing trees, so i would appreciate to be able to collapse subtrees. How can I do that ? I was considering google-visualization api but i wasn't able to find the kind of visualization i'm looking for (org chart doesn't allow to have multiple fathers, if i understood well) I've got no idea of the kind of technology so my tagging may not be really accurate :-). thanks

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• nested for loop

  - by Gary

  Hello, Just learning Python and trying to do a nested for loop. What I'd like to do in the end is place a bunch of email addresses in a file and have this script find the info, like the sending IP of mail ID. For now i'm testing it on my /var/log/auth.log file Here is my code so far: #!/usr/bin/python # this section puts emails from file(SpamEmail) in to a array(array) in_file = open("testFile", "r") array = in_file.readlines() in_file.close() # this section opens and reads the target file, in this case 'auth.log' log = open("/var/log/auth.log", "r") auth = log.readlines() for email in array: print "Searching for " +email, for line in auth: if line.find(email) > -1: about = line.split() print about[0], print Inside 'testfile' I have the word 'disconnect' cause I know it's in the auth.log file. It just doesn't find the word 'disconnect'. In the line of "if line.find(email) -1:" i can replace email and put "disconnect" the scripts finds it fine. Any idea? Thanks in advance. Gary

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• crystal report problem

  - by Baharanji

  Dear all, I have a Table which Contains items and its prices and those prices some in Dollars and the rest in pounds and the items are divided into sections and I want to use a modified Sum function in the Crystal Report so as to show at the end of each group the total in pounds like that in C# int price=0; foreach (item it in items) { if (it.curr=="$") { price+=it.price*DollarPrice } else price+=it.price; } return price; That's exactly what i want to do in crystal reports but i dont have any clue how to do so So if you have any Idea please help me, Regards, Baher.

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• SQLite data-types

  - by Alan Harris-Reid

  Hi there, When creating a table in SQLite3, I get confused when confronted with all the possible datatypes which imply similar contents, so could anyone tell me the difference between the following data-types? INT, INTEGER, SMALLINT, TINYINT DEC, DECIMAL LONGCHAR, LONGVARCHAR DATETIME, SMALLDATETIME Is there some documentation somewhere which lists the min./max. capacities of the various data-types? For example, I guess smallint holds a larger maximum value than tinyint, but a smaller value than integer, but I have no idea of what these capacities are. Any help would be appreciated. Alan Harris-Reid

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• How to create a UDF that takes a query string and returns the query's resultset

  - by Martin

  I want to create a stored procedure that takes a simple SELECT statement and return the resultset as a CSV string. So the basic idea is get the sql statement from user input, run it using EXEC(@stmt) and convert the resultset to text using cursors. However, as SQLServer doesn't allow: select * from storedprocedure(@sqlStmt) UDF with EXEC(@sqlStmt) so I tried Insert into #tempTable EXEC(@sqlStmt), but this doesn't work (error = "invalid object name #tempTable"). I'm stuck. Could you please shed some light on this matter? Many thanks EDIT: Actually the output (e.g CSV string) is not important. The problem is I don't know how to assign a cursor to the resultset returned by EXEC. SP and UDF do not work with Exec() while creating a temp table before inserting values is impossible without knowing the input statement. I thought of OPENQUERY but it does not accept variables as its parameters.

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• WPF Error when implementing Login.xaml

  - by LnDCobra

  I am getting the following exception: "Nullable object must have a value" Everything was working when I was using StartupURI="MainWindow.xaml" but I wanted to implement a login screen so I changed this to Startup="Application_Startup" and then created the following method in App.xaml.cs: private void Application_Startup(object sender, StartupEventArgs e) { UpdateAccounts(); bool result = true; ///* LoginWindow login = new LoginWindow(); result = login.ShowDialog().Value; /* */ if (!result) { return; } MainWindow window = new MainWindow(); bool main = window.ShowDialog().Value; } Does anyone have any idea what is going on? Or any suggestions on what is the best practice for implementing login interface.

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• iPhone: Changing CGImageAlphaInfo of CGImage

  - by TechZen

  I have a PNG image that has an unsupported bitmap graphics context pixel format. Whenever I attempt to resize the image, CGBitmapContextCreate() chokes on the unsupported format (Error formatted for easy reading): CGBitmapContextCreate: unsupported parameter combination: 8 integer bits/component; 32 bits/pixel; 3-component colorspace; kCGImageAlphaLast; 1344 bytes/row. The list of supported pixel formats definitely does not support this combination. It appears I need to redraw the image and move the alpha channel information to kCGImageAlphaPremultipliedFirst or kCGImageAlphaPremultipliedLast. I have no idea how to go about doing this. There is nothing unusual about the PNG file and it isn't corrupted. It works in all other context just fine. I encountered this error just by chance but obviously my users might have similarly formatted files so I will have to check my app's imported images and correct for this problem.

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• OpenFileDialog.AutoUpgradeEnabled doesn't work under 7?

  - by Digiku

  If I specify OpenFileDialog.AutoUpgradeEnabled = true, my program still shows the old XP-style dialog. Any idea why this would happen? This is after I enable theming in Main() [STAThread] static void Main() { Application.EnableVisualStyles(); Application.Run(new Primary()); } and this is my dialog code: private void OpenProgramFile() { OpenFileDialog programFileDialog = new OpenFileDialog(); programFileDialog.Filter = "Program files (*.exe;*.lnk)|*.exe|All files (*.*)|*.*"; programFileDialog.FilterIndex = 0; programFileDialog.Title = "Select program file"; programFileDialog.AutoUpgradeEnabled = true; programFileDialog.ShowHelp = true; DialogResult fileResult = programFileDialog.ShowDialog(); if (fileResult != DialogResult.OK) return false; programFileDialog.Dispose(); } So why would AutoUpgradeEnabled not work on 7?

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• Java generics parameters with base of the generic parameter

  - by Iulian Serbanoiu

  Hello, I am wondering if there's an elegant solution for doing this in Java (besides the obvious one - of declaring a different/explicit function. Here is the code: private static HashMap<String, Integer> nameStringIndexMap = new HashMap<String, Integer>(); private static HashMap<Buffer, Integer> nameBufferIndexMap = new HashMap<Buffer, Integer>(); // and a function private static String newName(Object object, HashMap<Object, Integer> nameIndexMap){ .... } The problem is that I cannot pass nameStringIndexMap or nameBufferIndexMap parameters to the function. I don't have an idea about a more elegant solution beside doing another function which explicitly wants a HashMap<String, Integer> or HashMap<Buffer, Integer> parameter. My question is: Can this be made in a more elegant solution/using generics or something similar? Thank you, Iulian

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• MongoMapper, Rails, Increment Works in Console but not Controller

  - by Michael Waxman

  I'm using mongo_mapper 0.7.5 and rails 2.3.8, and I have an instance method that works in my console, but not in the controller of my actual app. I have no idea why this is. #controller if @friendship.save user1.add_friend(user2) ... #model ... key :friends_count, Integer, :default => 0 key :followers_count, Integer, :default => 0 def add_friend(user) ... self.increment(:friends_count => 1) user.increment(:followers_count => 1) true end And this works in the console, but in the controller it does not change the follower count, only the friends count. What gives? The only thing I can even think of is that the way that I'm passing the user in is the problem, but I'm not sure how to fix it.

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• Visual Studio ignore try catch - debug only

  - by Praesagus

  I think error handling is a good idea. :) When debugging it can get in the way - especially with nice user friendly messages. In VB6 I could just check a box for the compiler to ignore my error handling. I found the dialog that allows me to do something similar in VS, but it's about 10,000 check boxes instead of one - which is too many to change every time I want a production compilation. Is there a way to set VS up so when I am in debugging mode I get one set of conditions and when I am in production I get another? ...or is there just another method to handling errors and debugging more efficiently? Thanks

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• How to add a view on top of a UIPopoverController

  - by Noah Witherspoon

  I've got an iPad app with a “drawer” table displayed in a popover. The user can tap-and-hold on an item in the drawer to drag that item out of it and into my main view. That part works fine; unfortunately, the view being dragged appears under the popover, and is too small to be visible until it's dragged out from underneath it. If I add the view as a subview of the view controller in the popover, it gets clipped by the popover's frame, and as I can't access the UIPopoverController's view, I can't disable its layer's masksToBounds—and that probably wouldn't be a great idea anyway. I suspect that I could use an additional UIWindow with a high windowLevel value to force the dragged view to appear on top of the popover, but this seems like overkill. Is there a better solution?

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• VB.NET GroupBy LINQ statement

  - by Jason

  I am having a bear of a time getting this to work. I have a List(Of MyItem) called Items that have a OrderId property on them. From those items, I want to create a list of Orders. Some items will have the same OrderId so I want to try to group by OrderId. I then want to sort by date. Here's what I have so far: Public ReadOnly Property AllOrders() As List(Of Order) Get Return Items.Select(Function(i As MyItem) New Order(i.OrderID)) _ .GroupBy(Function(o As Order) New Order(o.OrderID)) _ .OrderBy(Function(o As Order) o.DateOrdered).ToList End Get End Property This, of course, doesn't compile, and I get the error: Value of type 'System.Collections.Generic.List(Of System.Linq.IGrouping(Of Order, Order))' cannot be converted to 'System.Collections.Generic.List(Of Order))' I've bolded the part where I think the problem is, but I have no idea how to fix it. Also, it used to work fine (except there were duplicate values) before I added the .GroupBy statement. Anyone have any ideas? Thanks

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• Convert 2 bytes to a number

  - by Vaccano

  I have a control that has a byte array in it. Every now and then there are two bytes that tell me some info about number of future items in the array. So as an example I could have: ... ... Item [4] = 7 Item [5] = 0 ... ... The value of this is clearly 7. But what about this? ... ... Item [4] = 0 Item [5] = 7 ... ... Any idea on what that equates to (as an normal int)? I went to binary and thought it may be 11100000000 which equals 1792. But I don't know if that is how it really works (ie does it use the whole 8 items for the byte). Is there any way to know this with out testing? Note: I am using C# 3.0 and visual studio 2008

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• Generic Data Structure Description Language

  - by Jon Purdy

  I am wondering whether there exists any declarative language for arbitrarily describing the format and semantics of a data structure, that can be compiled to a specific implementation of that structure in any of a set of target languages. That is, something like a generic data definition language but geared toward describing arbitrary data structures such as vectors, lists, trees, etc., and the semantics of operations on those structures. I ask because I had an idea for a feasible implementation of this concept, and I'm just wondering whether it's worth it, and, consequently, whether it's been done before. Another, slightly more abstract question: is there any real difference between the normative specification of a data structure (what it does) and its implementation (how it does it)?

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• Needed list of special characters classification with respective characters

  - by pravin

  I am working on one web application , It's related to machine translation support i.e. which takes source text for translation and translated in to user specified language Currently it's in unit testing phase. Here, i want to check that, whether my machine translation feature is fully working for all the special characters. Because of different test cases I stuck at one point where i need all the special characters with classification. I needed all the special characters listing with classification. e.g. 1st : class name : Punctuation Characters : !?,"| etc test cases : segment1? segment2! segment3. 2nd : Class name : HTML entities characters : all the characters which belong under this class test cases : respective test cases 3rd : Class name : Extended ASCII characters :all the characters which belong under this class test cases : respective test cases Please folks provide this, if anyone has any idea or links so that i can make product perfect Thanks a lot

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• Cannot login with PhpMyAdmin on Mac os x 10.6. Does anyone know a fix to this error message?

  - by Jannis

  Hi, I just reinstalled Mac Os X 10.6.2 and had to reinstall/update my MySQL server. I run phpMyAdmin inside my localhost and I used to be able to login without a hitch. Since the updated (latest version MySQL 5.1.45 & PMA 3.3.1) versions I only get the following error when trying to login with phpMyAdmin: phpMyAdmin - Error Cannot start session without errors, please check errors given in your PHP and/or webserver log file and configure your PHP installation properly. The only thing I noticed is that mcrypt cannot be loaded (this has always been the case, no idea what to do to install this..) but this has never been a problem before. If anyone know what to do here that would be really appreciated. Thanks for reading, Jannis PS: The MySQL server itself is running and I am able to login with as root user via the MySQL Administrator.app

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• Cassandra/HBase or just MySQL: Potential problems doing the next thing

  - by alexeypro

  Say I have "user". It's the key. And I need to keep "user count". I am planning to have record with key "user" and value "0" to "9999+ ;-)" (as many as I'll have). What problems I will drive in if I use Cassandra, HBase or MySQL for that? Say, I have thousand of new updates to this "user" key, where I need to increment the value. Am I in trouble? Locked for writes? Any other way of doing that? Why this is done -- there will be a lot of "user"-like keys. Different other cases. But the idea is the same. Why keep it this way -- because I'll have more reads, so I can always get "counted value" very fast.

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• How to configure iReports to use grails domain class ?

  - by fabien-barbier

  I'm using JasperGrails plugins (http://www.grails.org/Jasper+Plugin) to generate reports. When I configure iReports dataSource with Database JDBC connection everything works well. But how to configure iReports with grails and Jasper plugin ? I try to configure my dataSource by selecting "JavaBeans set data source", but I have this error message : ClassNotFoundError ! (I try to add my domain in classpath by pointing to my IDEA project folder, but I have always same message). What is the best way to configure iReports with grails/groovy ?

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• Asp.net text box is only returning the first value

  - by queryne

  C sharp newbie question...I have a simple asp.net form that has a textbox that collects phonenumbers to send SMS messages. If I bypass the form and hardcode the numbers using the following format: "2133211234",#1233211234" the code works fine. However when i try to use this same format using my form, the sms will ONLY send to the first number. I have a feeling i'm missing out on some property on my form that will accept all of the values. also any idea how how i can add some lines of code that will allow users to enter numbers like this: 3123211234,4123212344 and have it converted to the format above when the number is submitted? Any ideas? Thanks in advance.

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• Mapping table and a simple view with Fluent NHibernate

  - by adrin

  I have mapped a simple entity, let's say an invoice using Fluent NHibernate, everything works fine... after a while it turns out that very frequently i need to process 'sent invoices' (by sent invoices we mean all entities that fulfill invoice.sent==true condition)... is there a way to easily abstract 'sent invoices' in terms of my data access layer? I dont like the idea of having aforementioned condition repeated in half of my repository methods. I thought that using a simple filtering view would be optimal, but how could it be done? Maybe I am doing it terribly wrong and someone would help me realize it :)?

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• TFS: How to dectet changed files when loading a solution?

  - by marco.ragogna

  I am new to TFS integration with Visual Studio 2010, and I have a problem I would like to solve. Practically, when I open a solution, how can I detect, looking only at the Solution Explorer which file has been changed since my last login? I am able to discover the changed files if I look at the Latest column of Source Control Explorer but it is not so intuitive. I attach you an image for better understanding. I would like to have a different icon, not the lock, for frmAbout.vb (in this case), associated to the item in Solution Explorer. Do you have any idea how can I achieve this behavior? Or some alternatives?

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• Custom Forum ~ Suggestions for topics pages (eg. active topics page, unanswered topics page) +1 othe

  - by Joe

  Lets say I was to develop a small forum script, what types of topics pages would you find most helpful? I'd like to get an idea of what should be added. Viewing popular phpBB forums, they offer "Unanswered Posts", "Active Topics" and "Unread Topics". Obviously I'm already including a page to view your own topics and posts. My other question was, is it a big deal that I'm not tracking whether or not you've read a topic? I already provide the page showing all topics you've participated in... just not ones that you've "viewed". Would this be something forum users would only end up complaining about? I don't like the options available to track topics that are read/not read, that's the only reason I am not considering adding this feature at this stage. Many thanks everyone for any help.

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