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  • What is the purpose of Java's unary plus operator?

    - by Syntactic
    Java's unary plus operator appears to have come over from C, via C++. As near as I can tell, it has the following effects: promotes its operand to int, if it's not already an int or wider unboxes its operand, if it's a wrapper object complicates slightly the parsing of evil expressions containing large numbers of consecutive plus signs It seems to me that there are better (or, at least, clearer) ways to do all of these things. In this SO question, concerning the counterpart operator in C#, someone said that "It's there to be overloaded if you feel the need." But in Java, one cannot overload any operator. So does this operator exist in Java just because it existed in C++?

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  • Which programming language to use for serious project?

    - by alex
    Hi! Which programming language to use for serious web project (price catalogue)? After some time of studying web PHP frameworks i got that: Codeigniter: good, but when i read about authorization (that 20% users can login correctly without party solutions), i am disappointed. Zend Framework: more serious, but raises questions about speed and i found only few examples. PHP: long time to understand PHP frameworks functionality

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  • What does IUrlHistoryStg::BindToObject Method do ?

    - by BHOdevelopper
    I'm looking for a way to access the address bar search so that i can append some personnal url at the end of the current list, and i found 'IUrlHistoryStg::BindToObject' but there is no documention linked to it. Anyone knows what this method does ? On msdn: http://msdn.microsoft.com/en-us/library/aa767718%28VS.85%29.aspx

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  • Languages/Technologies advice

    - by BL
    Hi all, a bit of advice required here :). I recently graduated(Computer Science), and need to decide a path to take programming/technology wise. I have knowledge of Java, C, SQL most of it is university level stuff. I work daily with PHP/SQL building web apps. Which language / technology would you advise me to learn. I am very interested in Database management, GIS etc. Web dev is also very interesting to me. It is all a bit confusing since i would like to learn something that will have a value at least in the near future. I would like to have some ideas on which language/technology is god choice in order to be marketable.

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  • Java compilers or JVM languages that support goto?

    - by unknown
    Is there a java compiler flag that allows me to use goto as a valid construct? If not, are there any third-party java compilers that supports goto? If not, are there any other languages that support goto while at the same time can easily call methods written in Java? The reason is I'm making a language that is implemented in Java. Gotos are an important part of my language; I want to be able to compile it to native or JVM bytecode, although it has to be able to easily use Java libraries (ie. C supports goto, but to use it I'd have to rewrite the libraries in C). I want to generate C or Java, etc source files, and not bytecode or machine code. I'm using a third-party compiler to do that.

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  • What inspired WPF?

    - by Andrei Rinea
    I was told by someon that, just as .NET started inspired from Java, WPF was inspired by a similar technology, as "Microsoft never innovates". However, I can't find anything remotely close to WPF. What particular technology did or could have inspired Microsoft to write WPF?

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  • Is there any kind of standard for 8086 multiprocessing?

    - by Earlz
    Back when I made an 8086 emulator I noticed that there was the LOCK prefix intended for synchonization in a multiprocessor environment. Yet the only multitasking I know of for the x86 arch. involves use of the APIC which didn't come around until either the Pentiums or 486s. Was there any kind of standard for 8086 multitasking or was it done by some manufacturer specific extensions to the instruction set and/or special ports? By standard, I mean things like: How do you separate the 2 processors if they both use the same memory? This is impossible without some kind of way to make each processor execute a different piece of code. (or cause an interrupt on only one processor)

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  • Other language string in SQL Server 2005

    - by balachandar
    I am trying you insert some string which is not in English (other language). when i fetch back they are not correct. They comes like "?????". But at the same time when I enter the string through the SQL Server UI (SSMS) to enter the string, it works OK. What could be the solution please?

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  • Language to learn metaprogramming

    - by Erup
    What's the best language (in terms of simplicity, readability and code elegancy) in your opinion, to learn and work with metaprogramming? I think metaprogramming is the "future of coding". Not saying that code will extinct, but we can see this scenario coming on new technologies.

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  • Tools to build a UI markup language parser

    - by Dan
    For a school project, I need to implement a parser for a (probably XML-based) markup language for User Interfaces. Based on the input it generates a HTML document with various UI components (textareas, inputs, panels, dialogs etc.) Do you have any suggestions for tools/libraries I might use for this? (At school we use Flex and Bison, but we're allowed to use modern tools -- maybe a tool that has the capabilities of both lex and yacc)

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  • What was the single byte change to port WordStar from CP/M to DOS?

    - by amarillion
    I was re-reading Joel's Strategy Letter II: Chicken and Egg problems and came across this fun quote: In fact, WordStar was ported to DOS by changing one single byte in the code. (Real Programmers can tell you what that byte was, I've long since forgotten). I couldn't find any other references to this with a quick Google search. Is this true or just a figure of speech? In the interest of my quest to become a "Real Programmer", what was the single byte change?

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  • Programming Language Choices for High Integrity Systems

    - by Finbarr
    What programming languages are a good choice for High Integrity Systems? An example of a bad choice is Java as there is a considerable amount of code that is inaccessible to the programmer. I am looking for examples of strongly typed, block structured languages where the programmer is responsible for 100% of the code, and there is as little interference from things like a JVM as possible. Compilers will obviously be an issue. Language must have a complete and unambiguous definition.

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  • Why does C's "fopen" take a "const char *" as its second argument?

    - by Chris Cooper
    It has always struck me as strange that the C function "fopen" takes a "const char *" as the second argument. I would think it would be easier to both read your code and implement the library's code if there were bit masks defined in stdio.h, like "IO_READ" and such, so you could do things like: FILE* myFile = fopen("file.txt", IO_READ & IO_WRITE); Is there a programmatic reason for the way it actually is, or is it just historic? (i.e. "That's just the way it is.")

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  • NSDateFormatter - set device language as locale?

    - by Emil
    Hey. I'm trying to get the iPhone to display dates formatted by an NSDateFormatter in the current device language. I have tried setLocale:[NSLocale currentLocale], but that only returns 5 instead of May (or Mai, as I want it to be). Any help is appreciated. Thanks! :)

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