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• Netbeans or Eclipse for C++?

  - by Robert Gould

  I'm currently working on a pet project and need to do C++ development on Windows, Mac, Linux, and Solaris, and I've narrowed it down to Netbeans and Eclipse, so I was wonderig which is more solid as a C++ editor. I just need solid editing, good autocompletion for templated code ad external libraries, and project file management, the build tools are external, so thats irrelevant here, for my comparison. Thus which is a better choice? Note: I know I should be using emacs or vim, but the issue is, my theory at least, that I'm left handed, so I use my right side (design,creativity) of the brain more than the left side (logic, memory), so I just simply cannot use emacs or vim, my brain simply isn't compatible, I tried them many times too, even used emacs for a few months but it drove me crazy... Thanks

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• Manage widgets from page edit screen

  - by Greenie

  Hi there. I'm looking to find a way to integrate the widget control area into the page edit screen. For the site I'm making it would be perfect with the same drag and drop functionality. I want a list of the available widgets that I can drag and drop into the page widget area. The widgets will then only be shown on that particular page. I've looked through the wp-admin/widgets.php file and tried to use some code from there. I even tried just including widgets.php at the end of the post.php (which is basically what I want, but of course gave me funny results). Please don't suggest plug-ins like Widget Context or Widget Logic. Those are my fallback if I cant do this :) So I would like ideas and/or input on how to accomplish this. Preferably I'd like to do it in the functions.php file, or in a plug-in.

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• Linq to SQL - design question.

  - by UshaP

  HI, Currently i have one big datacontex with 35 tables (i dragged all my DB tables to the designer). I must admit it is very comfortable cause i have ORM to my full DB and query with linq is easy and simple. My questions are: 1. Would you consider it bad design to have one datacontext with 35 tables or should i split it to logic units? 2. Is there any performance penalties for using such a big datacontext? Thanks, Pini.

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• Active Record's SessionScope in BL or DL ?

  - by StupidDeveloper

  Imagine that I have 3 projects: DL, BL and WS. DL contains Active Record implementation with all the mappings, BL has some logic (calling various DL methods) and finally WebService project exposes some BL methods (using some DTO mappings). The questions are: Should I put all data related methods in DL or is it allowed to use SessionScope in BL ? There are some complicated stuff that is right now done on BL. Should/can BL operate on classes-mappings of the Active record? The question is where should be the translation to DTO be made (at the BL level? ) ?

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• Redirecting before POST upload has been completed

  - by vartec

  I have form with file upload. The files to be uploaded actually are pictures and videos, so they can be quite big. I have logic which based on headers and first 1KB can determine if the rest will be processed or immediately rejected. In the later case I'd like to redirect client to error page without having to wait for upload to finish. The case is, that just sending response before POST is complete doesn't seem to work. The redirect get's ignored and if I close connection, browser complains with "Connection reset by peer" error. So the question is: is it even possible to do that in pure HTTP (without JavaScript on client-side), and if so, how?

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• How to keep a Generic list unmodified when its copy is modified?

  - by user1801934

  When I create a copy of the original list lstStudent in lstCopy and send the lstCopy to modification function, the lstStudent also gets modified. I want to keep this list unmodified. List<Student> lstStudent = new List<Student>(); Student s = new Student(); s.Name = "Akash"; s.ID = "1"; lstStudent.Add(s); List<Student> lstCopy = new List<Student>(lstStudent); Logic.ModifyList(lstCopy); // "Want to use lstStudent(original list) for rest part of the code" public static void ModifyList(List<Student> lstIntegers) { foreach (Student s in lstIntegers) { if (s.ID.Equals("1")) { s.ID = "4"; s.Name = "APS"; } } }

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• ASP webservice serialization of properties

  - by badra

  I got a class like this which gets returned from an ASP webservice: class Data { public int A { get; set; } public int B { get; set; } public int Sum { get { return A + B; } } } When I try to consume the webservice on the client side using Silverlight I only get the properties A and B but I also need Sum. I know I can't return any logic from a webservice, so the expected behavior was it will return the the Sum as a fixed/precalculated property in the client which is what I need. Any ideas except for redesigning my class? Thanks ...

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• Login screen using user custom control

  - by Mocco

  Hi, I have followed some advices I got here today and would need a bit more help now: I have an user control with login logic. In mainForm I am using this: private void Form1_Load(object sender, EventArgs e) { LoginScreen login = new MainMenu(); login.Parent = this; login.Dock = DockStyle.Fill; login.Show(); } But I guess it is not modal and thus does not stop the original Form application. Sure I would need the main Form to do not continue until the login form is closed (and login sucessfull). Would using an event correct? Let login object to raise an event that login was successfull and let the MainForm handle it - run the app?

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• Account for cancelling an update process

  - by Aerus

  I'm trying to develop the logic of updating my (Java) application but I'm stuck on a particular problem. The user can, at any time, be it on purpose (by clicking the Cancel button) or unwillingly (system/power failure) cancel the update process. If the updater was busy downloading files or unpacking files and thus didn't make any changes to the main application yet, this can be easily recovered by re-downloading the files and continuing the update process like normally. But, how can i account for changes made to the main application (i.e. a file was only partially replaced, some files were corrupted, etc.) that result in a main application that can't be launched anymore? Is it possible to rollback the changes made during the update without having to keep a full backup of my application or without doing a full reinstall? Are there any standards for updating an application that can help me with this?

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• Design patter for extending Android's activities?

  - by Carl

  While programming on Android, I end up writing a parent activity which is extended by several others. A bit like ListActivity. My parent activity extends Activity. if I intend to use a Map or a List, I can't use my parent activity as superclass - the child activity can only extend one activity obviously. As such I end up writing my parent activities with the same logic for Activity, ListActivity, MapActivity and so forth. What am I looking for is some sort of trait functionality/design pattern which would help in this case. Any suggestions?

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• How to calculate textarea cols with 100% width?

  - by sehwoo

  I set the width of a textarea to 100%, but now I need to know how many characters can fit in one row. I'm trying to write a javascript function to auto-grow/shrink a textarea. I'm trying to keep from using jquery since I just need this one function. My logic is to rows = textarea.value.split('\n'), iterate through rows and count += rows[i].length/textarea.cols, then count += rows.length, and finally textarea.rows = count. The only problem is that count is too large because textarea.cols is too small.

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• Android game goes blank after pressing home and restarting

  - by sirconnorstack

  I am making an Android game with an Activity called Game, a SurfaceView called GameView and a Thread called GameThread. The Game's onCreate(), I make a new GameView, which makes a new GameThread, where all the game logic and canvas drawing is carried out. However, I'm having some lifecycle difficulties. When I press back and restart it, it works fine, but when I press home and restart it, all I see is a blank screen. Here are the GameView's onSurfaceCreated() and onSurfaceDestroyed(): @Override public void surfaceCreated(SurfaceHolder holder) { mThread.mRunning = true; mThread.mWidth = getWidth(); if(mThread.mWidth > 550) mThread.mWidth = 550; mThread.mHeight = getHeight(); try { mThread.start(); } catch(IllegalThreadStateException e) { } } @Override public void surfaceDestroyed(SurfaceHolder holder) { // Wait for the secondary thread to end before finishing boolean retry = true; mThread.mRunning = false; while (retry) { try { mThread.join(); retry = false; } catch (InterruptedException e) { } } }

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• how to store multile images full path into database so that i can display them in user home page lik

  - by Deepak Narwal

  I am making an application in which every user have to sign in first and then he can access his home page.Now on home page i have given a option of uploading image.Now if user is uploading one image i am storing the full path of uploaded image into database and from there i can display image easily by img tag... But what should i do when user want to upload many images.Then how i should store their full paths in database for same user.Give me an idea just like orkut or facebook.Should i amade a differnt table named images and i should store images in differnt rows with same username..Plz explain what showuld i do..I dont know the logic what showild i do...How i can upload many images and how i can store thri path and what will be the wisest method and how to display many images on one page(i can display one )

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• Good way to fetch XML from a remote URL, convert it to HTML and display it in a ASP.NET-page

  - by Binary255

  Hi, The use case I want to achive is. 1. Fetch XML from a remote URL. 2. Convert it to HTML using XSLT 3. Insert the generated HTML at a position in my ASP.NET web forms page. Alternative on the above, if 1 returns a 404: 2. Generate HTML which display an error message to the user. Only step 3 is left as I've completed 1-2. As there are logic for handling the two execution paths and performing the XSLT-transformation I thought it would be suitable to keep it in the code-behind file. What's a good, clean way of inserting generated HTML at a position in my ASP.NET web forms page?

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• textFieldShouldBeginEditing + UIKeyboardWillShowNotification + OS 3.2

  - by user193545

  I have multiple textfields on a UIView. I resign for a previous textField in textFieldShouldBeginEditing method, where following sequence of events are performed UIKeyboardWillHideNotification is received corresponding to that field where the keyboard for the previous field is hidden. the method textFieldShouldBeginEditing returns a YES and then UIKeyboardWillShowNotification is received where the keyboard for the current field is displayed. However, in OS 3.2 even though textFieldShouldBeginEditing returns a YES, UIKeyboardWillShowNotification for the current field is not received. The logic works for OS < 3.2 Any ideas where I might be doing wrong?

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• Status corresponding to Minimum value

  - by Lijo

  Hi Team, I am using SQL Server 2005. I have a table as given below. There can be multiple cancellations for each FundingID. I want to select the FundingCancellationReason corrersponding to minimum date for each funding. I wrote a query as follows. It is an SQL error 1) Could you please help me to avoid the SQL Error? 2) Is there any better logic to achieve the same? CREATE TABLE #FundingCancellation( [FundingCancellationID] INT IDENTITY(1,1) NOT NULL, [FundingID] INT , FundingCancellationDt SMALLDATETIME , FundingCancellationReason VARCHAR(50) ) SELECT FundingID, MIN(FundingCancellationDt), ( SELECT FundingCancellationReason FROM #FundingCancellation FC2 WHERE FC1.FundingID = FC2.FundingID AND FC2.FundingCancellationDt = MIN(FundingCancellationDt) ) [Reason Corresponding Minimum Date] FROM #FundingCancellation FC1 GROUP BY FundingID -- An aggregate may not appear in the WHERE clause unless it is in a subquery contained in a HAVING clause or a select list, and the column being aggregated is an outer reference. I have seen the similar approach working in a somewhat complex query. So I believe tehre will be a way to correct my query Thanks Lijo

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• C# SQL create table IF it doesn't already exist

  - by jakesankey

  Hey, I am trying to put a little logic into my C# app that will create a table called Import, IF it doesn't already exist.. here is my code, it doesn't seem to work tho. con.Open(); using (SqlCommand cmd = con.CreateCommand()) { cmd.CommandText = @" IF (EXISTS (SELECT * FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA = 'RX_CMMData' AND TABLE_NAME = 'Import')) BEGIN CREATE TABLE Import ( RowId integer PRIMARY KEY NOT NULL, PartNumber varchar(200) NOT NULL, CMMNumber varchar(200) NOT NULL, Date varchar(200) NOT NULL, FeatType varchar(200) NOT NULL, FeatName varchar(200) NOT NULL, Value varchar(200) NOT NULL, Actual decimal, Nominal decimal, Dev decimal, TolMin decimal, TolPlus decimal, OutOfTol decimal, FileName varchar(200) NOT NULL ); END"; cmd.ExecuteNonQuery(); } con.Close();

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• How to keep Lucene index synchronized with Mysql database?

  - by ?????

  I am trying to utilize Lucene to develop full text search in my application, which need to build index based on my mysql database. I was wondering is how to keep these index synchronized with db? I came up with to ways: 1) add extra code in business logic tightly to update the search index . 2) running a separated task to rebuild the index periodically. do you have any other approaches? and what do you think is the best way? Any comments would be appreciate, thanks in advance!

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• PreparedStatement and 'null' value in WHERE clause

  - by bond

  I am using PrepareStatement and BatchUpdate for executimg a UPDATE query. In for loop I create a Batch. At end of loop I execute batch. Above logic works fine if SQL query used in PrepareStatement does not have null values in WHERE claues. Update Statement fails if there is null value in WHERE clasue. My code looks something like this, connection = getConnection(); PreparedStatement ps = connection.prepareStatement("UPDATE TEST_TABLE SET Col1 = true WHERE Col2 = ? AND Col3 = ?") for (Data aa : InComingData) { if(null == aa.getCol2()) { ps.setNull(1, java.sql.Types.INTEGER); } else { ps.setInteger(1,aa.getCol2()) } if(null == aa.getCol3()) { ps.setNull(2, java.sql.Types.INTEGER); } else { ps.setInteger(2,aa.getCol3()) } ps.addBatch(); } ps.executeBatch(); connection.commit(); Any help would be appreciated.

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• How to match data between columns to do the comparasion

  - by NCC

  I do not really know how to explain this in a clear manner. Please see attached image I have a table with 4 different columns, 2 are identical to each other (NAME and QTY). The goal is to compare the differences between the QTY, however, in order to do it. I must: 1. sort the data 2. match the data item by item This is not a big deal with small table but with 10 thousand rows, it takes me a few days to do it. Pleas help me, I appreciate. My logic is: 1. Sorted the first two columns (NAME and QTY) 2. For each value of second two columns (NAME and QTY), check if it match with first two column. If true, the insert the value. 3. For values are not matched, insert to new rows with offset from the rows that are in first two columns but not in second two columns

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• Andriod Tutorials or book recommendations?

  - by chobo2

  Hi I want to an andriod application(a port from a windows mobile phone) but I need to learn a couple things How to program for different screen sizes and resolutions (so my controls get bigger smaller or whatever) How to dynamically create controls such labels and checkboxes ( and checkbox listeners) How to create a menu How to create a context menu( a menu when you right click on the screen it pops up) how to program for landscape and portrait mode How to consume a webservice Most of what I am after is mostly the display aspect as all my logic is on a webservice so I could port all my stuff to different phones faster. So I am looking for tutorials or a book to get me up to speed to do these things

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• Zend Framework 2 without MVC

  - by Luke

  I'm currently using Zend Framework 2 for all my web tier development using the MVC module that's shipped with the framework. However, I want to implement my business logic in a separate layer, call it the business tier which is a non HTTP layer and expose it through AMQP, and I'd like to reuse my knowledge of PHP for implementing this. Since there is a lot of "stuff" that I need in this business layer such as configuration, a service manager, database access, etc, etc, I'd like to use all the goodies shipped with Zend Framework 2 for this. Are there any examples or tutorials out there on how to build a Zend Framework 2 application that is not build for the web tier and doesn't require the MVC module?

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• Class architecture, no friends allowed

  - by Captain Comic

  The question of why there are no friends in C# has been extensively discussed. I have the following design problems. I have a class that has only one public function AddOrder(Order ord). Clients are allowed to call only this function. All other logic must be hidden. Order class is listening to market events and must call other other function of TradingSystem ExecuteOrder, so I have to make it public as well. Doing that I will allow clients of Trading system to call this function and I don't want that. class TradingSystem { // Trading system stores list of orders List<Order> _orders; // this function is made public so that Order can call ir public ExecuteOrder(Order ord) { } // this function is made public for external clients public AddOrder(OrderRequest ordreq) { // create order and pass it this order.OnOrderAdded(this); } } class Order { TradingSystem _ts; public void OnOrderAdded(TradingSystem ts) { _ts = ts; } void OnMarketEvent() { _ts.ExecuteOrder() } }

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• How to stop a Timer-X timer (jQuery)

  - by Damien K.

  I'm using Timer-X's timerDelayCall function in order to have a repeating rotator on my page, which starts automatically as the page loads: jQuery.timerDelayCall({ interval: 2000, repeat: true, callback: function(timer) { ... (my rotator logic here) } } }); The problem is that I'm trying to make a function that includes stopping that timer: function signUp() { ... (timer stop code here) } The documentation stats that timer.stop() does that, but however I format it, I get errors about it not being declared. I have tried every variation I can think of, such as: timer.stop(); jQuery.timer.stop(); $(document).timer.stop(); jQuery.timerDelayCall({ callback: function(timer) { timer.stop() } }); I'm sure I'm missing something simple - I come from a PHP background yet I'm new to javascript - but can't see what it is exactly. Help is much appreciated!

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• Interview Question: What are the characteristics of a good programmer?

  - by froadie

  I was asked this question on an interview a few months ago - "What would you say are the characteristics of a good programmer?" What would you answer to this? What, as a hiring manager, would you be looking for in an answer? I did get the job and am currently working with this company, although I don't know if that means I answered what they wanted to hear, but here were a couple of the points I mentioned: Passion PATIENCE Logic Teamwork etc. I'm especially curious to hear from the hiring side of things what would impress as an answer...

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