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• Why make anything internal?

  - by c-charp N00b

  I don't really see the point of making methods or classes internal. In my very limited understanding, all it does is make working with your code very difficult for other programmers. Say I write Big_Important_Class for Project A and make said class internal. Then Bob, working on Project B needs to use my class to have project B work with Project A, but since its internal he can't. As of now this is the only thing I have seen internals do, make things really complicated for the guy working on Project B. I know there has to be a good reason to use internals, but I don't see any. Could someone please explain how they can be a good thing?

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• Joomla of ASP.NET

  - by Sakhawat Ali

  Hi all, If i look into PHP they have Joomla, although it was initially build for CMS only but currently it is doing much more then that, like it have Shopping Card module, blogging, forums and many more. In short for PHP guy they have Joomla as opensource, which just need a little customization and the side is ready within 3days. Now what we have in ASP.NET, the most famous opensource here is dotNetNuke but don't support web2.0. My question here is that what do we have in ASP.NET platform or in other word what is Joomla of ASP.NET.

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• CheckBox gets converted to Button in Flex

  - by Ravz

  Hi, I am new to Flex, so please bear with me. I have encountered a strange problem. There's a ActionScript class which dynamically creates basic UI element. So I create RadioButton as var rBtn:RadioButton = new RadioButton(); and then put it in a Panel Container. The problem is that it appears to be a Button. However it behaves like RadioButton. I have found this problem with one more guy who has posted it here. CheckBoxes and RadioButton looks like Push Buttons. Please help me out with this. Thanks.

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• [C++] Wrong EOF when unzipping binary file

  - by djzmo

  Hello there, I tried to unzip a binary file to a membuf from a zip archive using Lucian Wischik's Zip Utils: http://www.wischik.com/lu/programmer/zip_utils.html http://www.codeproject.com/KB/files/zip_utils.aspx FindZipItem(hz, filename.c_str(), true, &j, &ze); char *content = new char[ze.unc_size]; UnzipItem(hz, j, content, ze.unc_size); delete[] content; But it didn't unzip the file correctly. It stopped at the first 0x00 of the file. For example when I unzip an MP3 file, it will only unzip the first 4 bytes: 0x49443303 (ID3\0) because the 5th to 8th byte is 0x00000000. I also tried to capture the ZR_RESULT, and it always return ZR_OK (which means completed without errors). I think this guy also had the same problem, but no one replied to his question: http://www.codeproject.com/KB/files/zip_utils.aspx?msg=2876222#xx2876222xx Any kind of help would be appreciated :)

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• Color blindness: Are you aware of it? Do you design for it?

  - by User

  I'm curious whether many of us who do design or take design decisions have ever heard of this problem. I'm aware there are dangerous color combinations, like green + red. This is probably one of the most popular cases of color blindness. If you have green text on a red background and vice versa some people won't see anything. I've also seen in practice that green text on a blue background was not seen by one guy. What other color compositions should be avoided, and how often these cases are to be expected? Let us make some ranging by encounter probability who has the numbers. Addition: I've just remembered one very bad example that causes problems to just about everyone - blue text on a black background. It's unreadable for all intents and purposes. Never could understand what could possibly compel a web master to use this color combination...

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• Difference between internet and Desktop jave EE app server

  - by immer

  Hello. I need some clarification. I know that in order to run a java EE project, one needs a java EE compliant application server, such as tomcat, jboss, glashfish, etc. But, i download these to my desktop, but how about when i run it online? Are Jboss, tomcat, glashfish, etc. application servers just for your desktop, or are these the app server internet service providers have as well. I am trying to use godaddy as my internet service provider; i called them, but the customer service guy didnt know what application server they had, or did i ask the wrong question? Or how can i know waht application server they have? Thank you, any help is greatly appreciated.

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• Is there a name for the technique of using base-2 numbers to encode a list of unique options?

  - by Lunatik

  Apologies for the rather vague nature of this question, I've never been taught programming and Google is rather useless to a self-help guy like me in this case as the key words are pretty ambiguous. I am writing a couple of functions that encode and decode a list of options into a Long so they can easily be passed around the application, you know this kind of thing: 1 - Apple 2 - Orange 4 - Banana 8 - Plum etc. In this case the number 11 would represent Apple, Orange & Plum. I've got it working but I see this used all the time so assume there is a common name for the technique, and no doubt all sorts of best practice and clever algorithms that are at the moment just out of my reach.

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• Where/When does C# and the .NET Framework fail to be the right tool?

  - by Nate Bross

  In my non-programming life, I always attempt to use the approprite tool for the job, and I feel that I do the same in my programming life, but I find that I am choosing C# and .NET for almost everything. I'm finding it hard to come up with (realistic business) needs that cannot be met by .NET and C#. Obviously embedded systems might require something less bloated than the .NET Micro Framework, but I'm really looking for line of business type situations where .NET is not the best tool. I'm primarly a C# and .NET guy since its what I'm the most comfertable in, but I know a fair amount of C++, php, VB, powershell, batch files, and Java, as well as being versed in the web technologes (javascript, html/css). But I'm open minded about it my skill set and I'm looking for cases where C# and .NET are not the right tool for the job. The bottom line here, is that I feel that I'm choosing C# and .NET simply because I am very comfertable with it, so I'm looking for cases where you have chosen something other than .NET, even though you are primarly a .NET developer.

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• Framework Recommendation request: spring, struts, j2ee?

  - by Jack BeNimble

  The last time I looked at web applications, the consensus seemed to be Struts/J2EE. Now, it looks like Spring MVC/J2EE or Struts/J2EE are both viable solutions. Is this generally correct? Or is Spring MVC now the consensus choice over Struts? We have at least one guy who has worked with Struts before and wants to go with that. I'm more familiar with Struts as well, having reviewed in the past. Also, is J2EE still considered the viable solution for handling remote components? Or are there alternatives?

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• TFS no release folder in build folder

  - by brian b

  I have a tfs build that works fine on the client, but when executed on the server, no actual binaries get created. When I go to the folder: \[MyServer]\builds[BuildName], I see BuildLog.txt ErrorsWarningsLog.txt Release.txt I expect to see a big \Release folder full of my dlls, but I get nothing. The error log reports no problems up until we ask the build to copy the binaries to our staging server. If I comment those out, I get no errors. CustomizableOutDir is true, DropLocation is set to something sensible BuildDirectoryPath is set to something sensible But no matter what, I just don't get any dlls built. Our local TFS guy is baffled too. Any suggestions?

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• Best data store for billions of rows

  - by Jody Powlette

  I need to be able to store small bits of data (approximately 50-75 bytes) for billions of records (~3 billion/month for a year). The only requirement is fast inserts and fast lookups for all records with the same GUID and the ability to access the data store from .net. I'm a SQL server guy and I think SQL Server can do this, but with all the talk about BigTable, CouchDB, and other nosql solutions, it's sounding more and more like an alternative to a traditional RDBS may be best due to optimizations for distributed queries and scaling. I tried cassandra and the .net libraries don't currently compile or are all subject to change (along with cassandra itself). I've looked into many nosql data stores available, but can't find one that meets my needs as a robust production-ready platform. If you had to store 36 billion small, flat records so that they're accessible from .net, what would choose and why?

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• Improving my career in web development

  - by Dilse Naaz

  Hi I am a new guy in web development using .net technology. I have strong ambition to make up a good career in this field. But when i starting to learn something from the internet tutorials, i can't complete that. I will stop the reading before completion. so i decided everyday to start a new life in development. But i cant to do that. please help me for improving my career by suggesting some tips for increasing the concentration or something like that. thanks in advance.

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• What is Ruby's double-colon (::) all about?

  - by Meltemi

  I'd probably be able to answer this for myself if "::" wasn't so hard to Google. Didn't see anything on SO so thought I'd try my luck. What is this double-colon :: all about? I see it everywhere in Rails: class User < ActiveRecord::Base or… ActionController::Routing::Routes.draw do |map| I found a definition from this guy: The :: is a unary operator that allows: constants, instance methods and class methods defined within a class or module, to be accessed from anywhere outside the class or module. but that just leads to more questions. What good is scope (private, protected) if you can just use :: to expose anything?

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• In C#, What is <T> After a Method Declaration?

  - by Drew

  I'm a VB.Net guy. (because I have to be, because the person who signs my check says so. :P) I grew up in Java and I don't generally struggle to read or write in C# when I get the chance. I came across some syntax today that I have never seen, and that I can't seem to figure out. In the following method declaration, what does < T represent? static void Foo < T (params T[] x) I have seen used in conjunction with declaring generic collections and things, but I can't for the life of me figure out what it does for this method. In case it matters, I came across it when thinking about some C# brain teasers. The sixth teaser contains the entire code snippet.

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• Are there still completely new programming languages and -paradigms to be born?

  - by llasa

  Are there still completely new programming languages and -paradigms (which will actually go mainstream and still be used decades after their appearance) to be born? What I'm talking about are groundbreaking things like the rise of object oriented programming, C++, or PHP. With new programming languages I mean that they actually are completely different from what you know, as different as when you set a guy who used assembler for a decade, and even programmed some kind of 3D game in it, in front of something as high-level as PHP, Ruby or Python? Which new paradigms and programming languages are there to come? What could be different about them? Who will possibly create them and how fast will they rise?

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• Is use of LEAKS instrument still common on 3G iPhone?

  - by gordonmcdowell

  I'm working with an iPhone 3G, and when I'm trying to investigate memory leaks using the LEAKS instrument, my app crashes. It does not crash when LEAKS is not used. I'm making no claim to having a bug-free or non-memory-intensive app here. But I'd like to investigate leaks on an actual device. When I'm running LEAKS it is incredibly slow. Are there still developers working on iPhone 3G? I don't want to be the whiny guy blaming his tools, but I'd also like to be sure the whole dev world hasn't moved on to iPhone 3GS and I'm the only one trying to run both my app and leaks on a 3G. Currently running iOS 4.0 "gold". Snow Leopard dev env with latest XCode.

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• Dropdownmenu SELECTED value as per value return fromDB

  - by Faizan Qadri

  All i am trying to do is to set the selected value of drop down menu according to the particular value returned from the database like if person saved his gender as 'Male' and he wants to update his profile then the selected option shown on the Gender's dropdown llist should be shown as Male cause if this doesn't happen 'Poor guy becomes a female due to this small problem in my code' KINDLY HELP!!!!!!! MY Current Code: <select name="Gender" id="Gender"> <option selected="selected"><?php echo $row_Recordset1['Gender']; ?></option> <option value="Male">Male</option> <option value="Female">Female</option> </select> The above code work fine but causes repitition of values in dropdown like Male Male Female

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• Most Efficient way to set Register to 1 or (-1)

  - by Bob

  I am taking an assembly course now, and the guy who checks our home assignments is a very pedantic old-school optimization freak. For example he deducts 10% if he sees: mov ax, 0 instead of: xor ax,ax even if it's only used once. I am not a complete beginner in assembly programing but I'm not an optimization expert, so I need your help in something (might be a very stupid question but I'll ask anyway): if I need to set a register value to 1 or (-1) is it better to use: mov ax, 1 or do something like: xor ax,ax inc ax I really need a good grade, so I'm trying to get it as optimized as possible. ( I need to optimize both time and code size)

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• Can I turn off implicit Python unicode conversions to find my mixed-strings bugs?

  - by Tal Weiss

  When profiling our code I was surprised to find millions of calls to C:\Python26\lib\encodings\utf_8.py:15(decode) I started debugging and found that across our code base there are many small bugs, usually comparing a string to a unicode or adding a sting and a unicode. Python graciously decodes the strings and performs the following operations in unicode. How kind. But expensive! I am fluent in unicode, having read Joel Spolsky and Dive Into Python... I try to keep our code internals in unicode only. My question - can I turn off this pythonic nice-guy behavior? At least until I find all these bugs and fix them (usually by adding a u'u')? Some of them are extremely hard to find (a variable that is sometimes a string...). Python 2.6.5 (and I can't switch to 3.x).

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• className method?

  - by fuzzygoat

  I have just been watching the Stanford iPhone lecture online from Jan 2010 and I noticed that the guy from Apple keeps referring to getting an objects class name using "className" e.g. NSArray *myArray = [NSArray arrayWithObjects:@"ONE", @"TWO", nil]; NSLog(@"I am an %@ and have %d items", [myArray className], [myArray count]); However, I can't get this to work, the closest I can come up with it to use class, is className wrong, did it get removed, just curious? NSArray *myArray = [NSArray arrayWithObjects:@"ONE", @"TWO", nil]; NSLog(@"I am an %@ and have %d items", [myArray class], [myArray count]); Gary

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• From C# to JAVA

  - by Newbie

  Hi all, I don't know whether this is a valid question to ask here or not, but I made an attempt. I am basically a C# guy. But since the last 7 days I have been asked to work in java (J2SE 1.4) and I am working in that. and gradually I am finding interest in that. I want to learn more about it and since I am finding a lot of similarity between C# and Java(what ever I have gleaned + worked so far in those 7 days), I am planning to steer my career in that. But having spent for more than 2 years in C# and then moving to java, will it be a problem in future (say after 3/4 months) if I need to change my job.. I mean my most of the exp. lies in C# and just started JAVA. so how the technical panel will accept me if I need to change the platform? Thanks

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• Method of documentation for SQL Stored Procedures

  - by Chapso

  I work in a location where a single person is responsible for creating and maintaining all stored procedures for SQL servers, and is the conduit between software developers and the database. There are a lot of stored procedures in place, and with a database diagram it is simple enough 90% of the time to figure out what the stored procedure needs for arguments/returns as output. For the other 10% of the time, however, it would be helpful to have a reference. Since the DBA is a busy guy (aren't we all), it would be good to have some program which documents the stored procedures to a file so that the developers can see it without being able to access the SPs themselves. The question is, does anyone know of a good program to accomplish this? Basically what we need is something that gives the name of the SP, the argument list and the output, both with datatypes and a nullable flag.

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• Does it make a difference in performance if I use self.fooBar instead of fooBar?

  - by mystify

  Note: I know exactly what a property is. This question is about performance. Using self.fooBar for READ access seems a waste of time for me. Unnecessary Objective-C messaging is going on. The getters typically simply pass along the ivar, so as long as it's pretty sure there will be no reasonable getter method written, I think it's perfectly fine to bypass this heavy guy. Objective-C messaging is about 20 times slower than direct calls. So if there is some high-performance-high-frequency code with hundreds of properties in use, maybe it does help a lot to avoid unnessessary objective-c messaging? Or am I wasting my time thinking about this?

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• CSS: Explicitly declaring position, padding, margin, and overflow for every item?

  - by DavidR

  I've been working for a guy whose been teaching me css. I made a website based on his designs which I'm pretty proud of, but he got back to me saying that I need to explicitly declare the padding, margin, position, and overflow (specifically every item should have "overflow:hidden") on every item. Is there any basis to this at all? Is there anything I can use to refute this? I thought that declaring something like div,span,h1,[...] {padding:0;margin:0;postion:static;overflow:hidden} would take care of everything due to the cascade.

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• SQL Query Question ROW_CONCAT

  - by DaveC

  Hello Guy, I have been stuck on this problem for quite awhile... I hope someone out there can give me a hand. The following table is in my database: Product_ID Color Type 1 Red Leather 1 Silver Metal 1 Blue Leather 2 Orange Metal 2 Purple Metal I am trying to get the following output: Product_ID Type Color 1 Leather Red, Blue 1 Metal Silver 2 Metal Orange, Purple I know it has to do with some kind of double group by and a group_concat.... have been looking at this for an hour without figuring it out. Any help is much appreciated!!!

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