Re: A few beginner questions
Re: A few beginner questions
- Subject: Re: A few beginner questions
- From: "Jason Sallis" <email@hidden>
- Date: Mon, 7 Apr 2008 10:41:48 -0600
"Actually, it is:
dCostValueRatio, iPeopleCount, etc.."
That's one style of Hungarian notation, but the three-character style is perfectly valid as well. You'll find the 3-character style used primarily in the Visual Basic (pre .NET) community. It was a Microsoft effort to standardize naming across the VB6/VBA/Access platforms back in the day which, unfortunately, caught on. Humor your instructor and use it in your class and then promptly forget about it as it's a fairly deprecated naming style.
On Mon, Apr 7, 2008 at 10:18 AM, matty jones <
email@hidden> wrote:
On Apr 7, 2008, at 12:07 PM, Keary Suska wrote:
on 4/7/08 9:32 AM, email@hidden purportedly said:
I have been reading through the Becoming an XCoder pdf and the user
Guids for XCode and I can't figure something out. In the guide it
gives you a sample program that calculates the area of a circle and a
rectangle, it says to press the build and go button and the results
will be displayed in the run log. I cannot find the runlog box. I
found a box called build results that displays the results, errors and
the returned state but not a box that displays the output of the
program. I have no errors in the code according to XCode. Do I have to
enable something to display the results or am I hitting the wrong
button?
What you are looking for is the "console". It sounds like you may have the
three-page all-in-one view in Xcode 3. In Xcode 3, the console window only
seems to show in the debugger window, so you can go to the debugger
(Run->Debugger menu). IIRC, in Xcode preferences, in the "debugging"
options, I set "On Start" to "Show Console" to show the debugger/console on
run. I may be wrong about that, but it sounds right.
I am in a Visual Basic course right now and my teacher is having us
declare variables with Hungarian notation. I have been coding C and
Bash shell scripts in Linux for a few years and have never done it,
nor have I ever seen it in a book.
Sounds like your teacher is rather old-school. What you describe is a
convention commonly known as Hungarian "System" notation. Originally
developed for use in a non-typed language, it found usefulness in
strongly-typed structured languages. There are good reasons or using it, but
I believe most modern compilers can detect the types of issues that the
convention is trying to prevent (such as trying to stuff an int into a
char), and in any case other conventions have superseded it.
In particular you will find that Objective-C/Cocoa tends to use a convention
similar to the Hungarian "Apps" notation, were the purpose of the symbol is
incorporated into the name, although not always (or usually) as a prefix.
Best regards,
Keary Suska
Esoteritech, Inc.
"Demystifying technology for your home or business"
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