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• Smooth table view like on iPod.app

  - by Gilo

  Hey folks ;), Im trying to redo the table view in the ipod.app. The one with 2 labels and the cover on the left. I want the same information there. I mean the cover plus all the other MPMediaItem stuff. Everything works fine. I can build the table and get all the information from the music library I need. My only problem is that my table is far away from being smooth. It lacks. When I remove the MPMediaArtworkItem from the table its super fast. So I guess its a problem with that. Is there any way to load the MPMediaProperties more faster? Whats the fastest way? THX in advance :)

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• How do you deal with duplicate street suffixes?

  - by Matt

  I have a system where users need to enter addresses. I am trying to limit duplicates of course and something I started noticing was becoming a big problem was some users putting in "Road" and others "Rd", therefore duplicates were creeping in. I looked up the list of USPS street suffix abbreviations but I still have a question which I can't find an answer to. Can I replace all words in a street address with the USPS standard abbreviation? An example would be "123 Forest Hill Road". If I were to replace it with the abbreviations it would then be "123 Frst Hl Rd" or does the "street suffix" that USPS is referring to mean they only want you to make go as far as "123 Forest Hill Rd"?

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• Is there a better way than #if DebugMode for logging

  - by Daniel

  I'm making a c++ library thats going to be P/Invoked from c#, so i am unable to breakpoint/debug the c++ side of things. So i decided to add logging so i can see if anything goes wrong and where it happens. I add a #define DebugMode 1 in order to determine if i am to log or not. First of all i'm not very good at c++ but i know enough to get around. So my questions are: Is there a better way than wrapping #if DebugMode #endifs around every Log call? I could simply do that inside the method and just return if logging isn't disabled but won't that mean then all those logging strings will be in the assembly? How can i emulate what printf does with its "..." operator enabling me to pass something like Log("Variable x is {0}", x); Thanks!

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• Buffer management for socket application best practice

  - by Poni

  Having a Windows IOCP app............ I understand that for async i/o operation (on network) the buffer must remain valid for the duration of the send/read operation. So for each connection I have one buffer for the reading. For sending I use buffers to which I copy the data to be sent. When the sending operation completes I release the buffer so it can be reused. So far it's nice and not of a big issue. What remains unclear is how do you guys do this? Another thing is that even when having things this way, I mean multi-buffers, the receiver side might be flooded (talking from experience) with data. Even setting SO_RCVBUF to 25MB didn't help in my testings. So what should I do? Have a to-be-sent queue?

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• Where are the new languages?

  - by Johnson William

  Most now mainstream/popular (interpreted|scripting) programming languages were created around the 1990's. (Perl, Python, Ruby, PHP just to name a few). How many people knew about those languages around 1-2 years after they had been first published? Are there languages with potential of becoming as important as e.g.: Python or PHP being developed at the moment? I mean ... is there someone even seriously trying to create a new one? If the first version of a programming language is published and nearly nobody knows about it, as it was with all the languages I've mentioned above, where could I find out? Is there some sort of "list" or "network" dealing just with non-language-specific news? Is the area where Perl, Python, Ruby and PHP fit in already fully covered? Do you know of concrete examples of new programming languages being seriously developed or rising at the moment? (Except Google's go!)

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• PayPal testing without using Sandbox

  - by Webbo

  I am developing a website in PHP that accepts PayPal payments. It uses the IPN from PayPal and has a custom payment template etc etc. It all works great through the Sandbox server but when it comes to showing my client, I don't want to have to tell them to login to/create a Sandbox account, create a buyer account and make a payment - he hasn't got time for that and probably won't be able to do it. Therefore, my question is - is there any simple way that I can show my client the PayPal integration in "test mode" without him using the sandbox? I realise that I can set the transaction value to 0.01 and just test on the live PayPal server but that isn't an ideal solution. Cheers! Edit: Just to better explain what I mean, this is what my client sees when he first goes to checkout; As you can see, he has to login to his Sandbox account before then purchasing the item using the buyer email that he sets up. It's just confusing and totally non user-friendly.

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• HOw I can verify my SQL / SQL Pl syntax

  - by rima

  Hi all Sorry my English is bad.I hope u can get what I want. I have lots of *.sql files that i want to write a program to compile them and if there is any issue(problem or mistake) report me. One of my friend write an IDE for java,as I remember he use javac to generate the codes error,in other hand maybe u see when u try to write code in a Visual stadio or Netbean the IDE generate errors for u.so now I want to know any one have any idea how I can do it for my sql files? In other mean I want to write a Editor for SQL files(PL/SQL) that compile my code and tell me what is my error. this problem raise up when I try to compile all of them in SQL PLUS,it's so boring. please help me...

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• Fibonacci using SBN in OISC in Machine Language

  - by velociraptor

  Hello, I want to generate fibonacci series using SBN in an OISC architecture. My initial approach is to implement it in assembly language first and then convert it to machine language. The first steps involve storing 0 and 1 in 2 registers and then subtract 1 from 0 and repeatedly subtract 1 in the consequent steps. Everytime it will generate a negative number and since its negative, it branches off and fetches the absolute value finding instruction. Is my approach correct? My confusion in the meaning of OISC. Correct me if i'm wrong, if i perform a subtraction and then an absolute value finding, it means that that i'm using 2 instructions everytime. or is it that in the OISC processor both these instructions are done at the sametime which would mean that my approach is correct. Please help. thank you all

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• ASP.NET MVC - Alternative to Role Provider?

  - by ebb

  Hey there, I'm trying to avoid the use of the Role Provider and Membership Provider since its way too clumsy in my opinion, and therefore I'm trying to making my own "version" which is less clumsy and more manageable/flexible. Now is my question.. is there an alternative to the Role Provider which is decent? (I know that I can do custom Role provier, membership provider etc.) By more manageable/flexible I mean that I'm limited to use the Roles static class and not implement directly into my service layer which interact with the database context, instead I'm bound to use the Roles static class which has its own database context etc, also the table names is awful.. Thanks in advance.

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• retrivenewly inserted record ID with Linq2SQL

  - by devmania

  hi, i am using the following private BlogDataContext db = new BlogDataContext (); article.Created = DateTime.UtcNow; article.Modified = DateTime.UtcNow; db.Articles.InsertOnSubmit(article); db.SubmitChanges( ); int id = article.Id; i am wondering is this save, i mean will it give me the Id of the article user inserted or will there be case of concurrences if another user update the article in fraction of second of second after this user ? thanks in advanced.

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• Why does it work

  - by A-ha

  Guys I've asked few days ago a question and didn't have really time to check it and think about it, but now I've tried one of the solutions and I can't understand why does it work? I mean why destructor is called at the end of line like this: #include "stdafx.h" #include "coutn.h" #define coutn coutn() int _tmain(int argc, _TCHAR* argv[]) { coutn << "Line one " << 1;//WHY DTOR IS CALLED HERE coutn << "Line two " << " and some text."; return 0; } I assume that it has something to do with lifetime of an object but I'm not sure what and how. As I think of it there are two unnamed objects created but they do not go out of scope so I can't understand for what reason is dtor called. Thank you.

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• Why did Steve Sanderson in his "Pro ASP.NET MVC 2 Framework" book change an example IoC container?

  - by rem

  I like Steve Sanderson's "Pro ASP.NET MVC Framework" book. It helped me a lot. I have been waiting for its new edition and it is ready now, as we can see in this Steve's blog post It is updated a lot taking into account all new features of ASP.NET MVC 2, .NET 4 and Visual Studio 2010. In addition, "SportsStore" tutorial of this edition uses Ninject instead of first edition's Castle Windsor for DI. I wonder, why? Does it mean that Castle Windsor became a little outdated?

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• How to do manual DI with deep object graphs and many dependencies properly

  - by Fabian

  I believe this questions has been asked in some or the other way but i'm not getting it yet. We do a GWT project and my project leader disallowed to use GIN/Guice as an DI framework (new programmers are not going to understand it, he argued) so I try to do the DI manually. Now I have a problem with deep object graphs. The object hierarchy from the UI looks like this: AppPresenter-DashboardPresenter-GadgetPresenter-GadgetConfigPresenter The GadgetConfigPresenter way down the object hierarchy tree has a few dependencies like CustomerRepository, ProjectRepository, MandatorRepository, etc. So the GadgetPresenter which creates the GadgetConfigPresenter also has these dependencies and so on, up to the entry point of the app which creates the AppPresenter. Is this the way manual DI is supposed to work? doesn't this mean that I create all dependencies at boot time even I don't need them? would a DI framework like GIN/Guice help me here?

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• Is it possible to convert Gregorian to Hijri date in Vb ?

  - by ahmed

  Hi, I have a table in sql where the date format is stored in Hijri. Now I am working on a vb.net application where I have to let the user update that dateField. So is it possible that if I place a datepicker(which is in Gregorian) and user selects the date and its converts into Hijri date before updating. I mean when the user selects the date and clicks the save button the date should be updated in hijri format in the sql . For now , the user is entering the date manually on a tms AdvEdit. Is there any code available to accomplish this task. Thanking you all in advance for your time and consideration.

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• Program ends abruptly even in debugger - how did that happen?

  - by Mick

  I am trying to debug a program that unexpectedly shuts down. When I say "shuts down, I mean one moment I am seeing all the windows being displayed, each of which is showing all the right data,then suddenly all the windows disappear. The is no messagebox reporting anything wrong. So I tried running the program in the debugger hoping that it would somehow trap whatever was causing the program to abort, but even within the debugger the program simply ends abruptly. The last line in the debugger is: The program '[5500] test.exe: Native' has exited with code 0 (0x0). My program which is extremely large and extremely old has a lot of self diagnostics. My suspicion is that perhaps a self test has failed and maybe I just called "exit()", forgetting to pop up a dialog explaining why. My question now is, how can I find out from which point in the code, my program quit?

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• execute javascript method after method excution complete ?

  - by James123

  I want execute below callback()method after completion of process document.getElementById('btnDownload').click(); method. click() is the code behind method. That means, I mean after complete process of click() then excute callback() method. Because my modelpop is not hiding in code behind. So I want hide in javascript method. function LoadPopup() { // find the popup behavior this._popup = $find('mdlPopup'); // show the popup this._popup.show(); // synchronously run the server side validation ... document.getElementById('btnDownload').click(); callback(); } function callback() { this._popup = $find('mdlPopup'); // hide the popup this._popup.hide(); alert("hi"); }

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• How to force asp.net GridView control to wrap first row within <thead> </thead> tags

  - by burak ozdogan

  Hi, I want to use Christian Bach's tableSorter client-side table sorting jQuery plugin with my asp.Net GridView control. But the problem is, in the documentation it writes: tablesorter works on standard HTML tables. You must include THEAD and TBODY tags: And unfortunately asp.net renders my GridView only with tags and header row stays within as the 1st row. I have tried: dgvRate.HeaderRow.TableSection = TableRowSection.TableHeader; after calling .DataBind(); It only helped to have <TH></TH> within the header . But still everything is inside <tbody> Can I accomplish this, I mean moving my 1st row from <tbody></tbody> to <thead></thead> ? I do not want to add it manually on PreRender stage; I am sure this could be handled much simpler, isn't it? thanks

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• C++: warning: '...' declared with greater visibility than the type of its field '...::<anonymous>'

  - by Albert

  I'm getting these two warnings (with GCC 4.2 on MacOSX): /Users/az/Programmierung/openlierox/build/Xcode/../../src/main.cpp:154:0 /Users/az/Programmierung/openlierox/build/Xcode/../../src/main.cpp:154: warning: 'startMainLockDetector()::MainLockDetector' declared with greater visibility than the type of its field 'startMainLockDetector()::MainLockDetector::<anonymous' /Users/az/Programmierung/openlierox/build/Xcode/../../src/main.cpp:154:0 /Users/az/Programmierung/openlierox/build/Xcode/../../src/main.cpp:154: warning: 'startMainLockDetector()::MainLockDetector' declared with greater visibility than its base 'Action' In this code: struct Action { virtual ~Action() {} virtual int handle() = 0; }; static void startMainLockDetector() { /* ... */ struct MainLockDetector : Action { bool wait(Uint32 time) { /* ... */ } int handle() { /* ... */ } }; /* ... */ } I'm not exactly sure what these warnings mean (what visibility?) and how to fix them. (I really want the class MainLockDetector to be local for that function only.) I have already compiled the same code with a lot of other compilers (clang, GCC 3.*, GCC 4.0, GCC 4.4, etc) and never got any warning for this code.

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• need suggestions about content filtering project

  - by serdar

  i'm thinking of designing and implementing a content filtering software as my graduation project. i want it to be a user contributed software. i mean, users can also add/categorize websites. it should be also a web project and extensions for browsers like chrome, firefox, ie.. my question is which programming language do you suggest for this project? i know that firefox extensions are javascript based maybe you can say use .net framework 3.5 because it's better in communication with extensions. sorry for my bad english.. btw any other suggessions about project will be good.. thx a lot.

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• Making a rectangular selection in a RichTextBox with Alt-Left-Mouse sweep?

  - by Harold Bamford

  There are quite a few applications that allow you to select a box or rectangle of text by sweeping with mouse while the Alt key is pressed. Visual Studio 2010 does this in the code editor, for instance. Emacs does it. Winword does it. We've all seen it. It seems like there must be a standard pattern to follow to encode this behavior but I cannot seem to find it. I suspect I am not Googling with the correct keywords as all I am getting are false hits on rectangle, Alt-Left, sweep, selection, etc. I'm sure I can code it up but it would mean disabling the normal selection code used in, say, RichTextBox. And that sounds ugly, error prone and probably more work than it is worth. Anybody have a suggestion (be nice! :-) ) of how to do this or an example of how it is done?

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• Is it ok to Swallow SocketExceptions in some situations? (C#)

  - by NoPyGod

  Let's say I've programmed an application which connects to a server using the Socket Class (TCP). If I encounter a SocketException while reading or writing, then obviously I have to do go ahead and run a disconnection routine to change the application's state to Disconnected. But what if I've started to Disconnect, and while I'm cleaning up, a SocketException occurs? The SocketException doesn't really mean anything to me, as I was going to shutdown the socket myself anyway.. so is it ok to swallow it? I really want to know what the best practice for this situation is.

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• Why no ArgumentEmptyException in .NET ?

  - by Andrei Rinea

  I am beginning to think I am doing something wrong. I mean they did place System.String.IsNullOrWhitespace finally but no ArgumentEmptyException class. public FilterItem(string name, IEnumerable<string> extensions) { if (string.IsNullOrWhiteSpace(name)) { throw new ArgumentNullException("name"); } if (extensions == null) { throw new ArgumentNullException("extensions"); } if (extensions.Count() == 0) { throw new ArgumentOutOfRangeException("extensions"); } this.Name = name; this.Extensions = extensions; } throwing an ArgumentOutOfRangeException feels unnatural. Also an instance of ArgumentException is too general in my opinion. It's easy to me to create a new exception class call it this way and have it over with. What bugs me is that it's not in the BCL/FCL and I am beginning to think there's a good reason not to have it. Should there be one?

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• iframe for ad loading good or bad?

  - by Cedar Jensen

  According to Yahoo's "Best Practices for Speeding Up your Site", the pros for using iframes: Helps with slow third-party content like badges and ads Download scripts in parallel but the cons are: Costly even if blank Blocks page onload I want to use an iframe to load ads using the technique mentioned on this site: http://meanderingpassage.com/2007/08/15/keeping-javascript-widgets-from-controlling-your-blog/ Does using this technique mean that as soon as the html contents requested by the iframe are returned to the client, it will load the ad script, potentially blocking the rest of the page's rendering and downloading? Or will the iframe request get processed concurrently while rest of the document is downloaded and rendered?

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• The use of IN OUT in ada..

  - by maddy

  HI all, Given below is a code in ada with TYPE_VECT_B; use TYPE_VECT_B; Package TEST01 is procedure TEST01 ( In_State : IN VECT_B ; Out_State : IN OUT VECT_B ); function TEST02 ( In_State : IN VECT_B ) return Boolean ; end TEST01; The TYPE_VECT_B package specification and body is also defined below Package TYPE_VECT_B is type VECT_B is array (INTEGER range <>) OF BOOLEAN ; rounded_data : float ; count : integer ; trace : integer ; end TYPE_VECT_B; Package BODY TYPE_VECT_B is begin null; end TYPE_VECT_B; What does the variable In_State and Out_State actually mean?I think In_State means input variable.i just get confused to what actually Out_State means? Thanks Maddy

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• What are the pre-requisites to become a Business Developer

  - by T.Raghavendra

  I am not sure if this is the right portal, But i believe many entrepreneurs are available here. I wanted to know how can someone get in to business development. what are the factors that are necessary if the person has no MBA degree. is it possible to get into such profession. I mean is it just the fact you must know how to write RFP, or estimates. Understanding client requirements and getting them the best available solution. Please guide me as I am interested, with 5+ years of industry experience is it possible to move to different domain.

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