C++ : Is it lots harder than c# and VB
Hi everyone, I learned Java whilst at university and have taught myself c# and VB.net. I think I am ok at it. I was thinking, these languages will probably be bigger in the future so I better get ready for them. But then, I also realised that COM is still quite important and so is C++. So I thought I better just try and have a look at C++ and COM. And now I'm scared. So my question is - why does C++ look so much harder than c#? For example : 1. The methods all have really stupid names that are hard to descern a function from. 2. You need to think about pointers and cleaning up memory. But in my preffered languages, I dont even need to think about that. Why do I need to worry about these things in C++ and is C++ really that hard - at the moment, it looks as scarry as my Gran Oh, and just how hard is it to learn COM - I've been looking all over the place and even the com section on MS's site doesnt really have that much for absolute beginners! Thanks all Simon
sh856531
vc.mfc
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If you enjoyed Java, you'll probably have no problems with C++. If looking
at it scared you, it was probably ugly source code (which you can see in
Java BTW...) Get a good book on C++, the old "Interactive" series was great
as was the old "Object Oriented Programming in C++." These are good books
for starters. If you've really learned Java then you've got the major C++
hump out of the way, learning about why/what/how objects work.
WTH
"Simon Harvey" <sh856531@microsofts_free_email_service.com> wrote in message
news:110a01c38a7e$122ff0f0$a101280a@phx.gbl...
> Hi everyone,
>
> I learned Java whilst at university and have taught
> myself c# and VB.net. I think I am ok at it.
>
> I was thinking, these languages will probably be bigger
> in the future so I better get ready for them. But then, I
> also realised that COM is still quite important and so is
> C++. So I thought I better just try and have a look at
> C++ and COM.
>
> And now I'm scared.
>
> So my question is - why does C++ look so much harder than
> c#? For example :
>
> 1. The methods all have really stupid names that are hard
> to descern a function from.
> 2. You need to think about pointers and cleaning up
> memory.
>
>
> But in my preffered languages, I dont even need to think
> about that. Why do I need to worry about these things in
> C++ and is C++ really that hard - at the moment, it looks
> as scarry as my Gran
>
> Oh, and just how hard is it to learn COM - I've been
> looking all over the place and even the com section on
> MS's site doesnt really have that much for absolute
> beginners!
>
> Thanks all
>
> Simon
spamsucksSimon, > 1. The methods all have really stupid names that are hard > to descern a function from. I'm not sure why you say this. When writing C++ code, you can call the methods whatever you like. > 2. You need to think about pointers and cleaning up > memory. Yes, and this is a bit confusing for some. However, memory you allocated needs to be freed--it isn't all that complicated. > But in my preffered languages, I dont even need to think > about that. Why do I need to worry about these things in > C++ and is C++ really that hard - at the moment, it looks > as scarry as my Gran Well, if you want easy--you might try something like Visual Basic. If you want more power and control, then you'll need to use a language that requires you to be aware of a few more things. C and C++ are, by far, my favorite languages. It's a personal thing so that doesn't mean to much but what I like about them are the simplicity and flexibility--things that don't always go together. However, that said, I'm not sure if I'd choose to learn those languages at this time. While COM is still important, it is on it's way out. And there will undoubtedly be something else after .NET. So I personally think it makes more sense to be learning things that are on the way in rather than out. But, in the end, it depends on exactly what you want to accomplish. Jonathan
jwoodSimon Harvey wrote: > Hi everyone, > > I learned Java whilst at university and have taught > myself c# and VB.net. I think I am ok at it. > > I was thinking, these languages will probably be bigger > in the future so I better get ready for them. But then, I > also realised that COM is still quite important and so is > C++. So I thought I better just try and have a look at > C++ and COM. > > And now I'm scared. > > So my question is - why does C++ look so much harder than > c#? For example : > > 1. The methods all have really stupid names that are hard > to descern a function from. > 2. You need to think about pointers and cleaning up > memory. > > > But in my preffered languages, I dont even need to think > about that. Why do I need to worry about these things in > C++ and is C++ really that hard - at the moment, it looks > as scarry as my Gran > > Oh, and just how hard is it to learn COM - I've been > looking all over the place and even the com section on > MS's site doesnt really have that much for absolute > beginners! > > Thanks all > > Simon Java and C# and VB all need huge libraries. The libraries define the language and what it can (and can't) do. C++ needs no such library. The CPU and Win APIs define what it can and can't do. C++ programs the "real" computer, which depends fundamentally on things like pointers and "cleaning up" memory. The library-based languages program an abstract machine that is implemented by the library. The abstract machines are deliberately designed to make things simpler, at the cost of some loss of power and performance. Yes, C++ is lots harder. It is most appropriately used to do work that is lots harder. If all you have to respond to is user clicks then you probably don't need it. -- Scott McPhillips [VC++ MVP]
scottmcpWell C++ is a lot harder, because C*, Java etc are designed to be easier. In those languages, you are basically writing scripts which are then read by a real program which does the actual execution. There is nothing wrong with this if it achieves the results you want, but you are limiting your potential for ever writing real programs in other environments. Using pointers, freeing up memory and interfacing with devices etc are an integral part of the art of programming. Simon Harvey wrote: > Hi everyone, > > I learned Java whilst at university and have taught > myself c# and VB.net. I think I am ok at it. > > I was thinking, these languages will probably be bigger > in the future so I better get ready for them. But then, I > also realised that COM is still quite important and so is > C++. So I thought I better just try and have a look at > C++ and COM. > > And now I'm scared. > > So my question is - why does C++ look so much harder than > c#? For example : > > 1. The methods all have really stupid names that are hard > to descern a function from. > 2. You need to think about pointers and cleaning up > memory. > > > But in my preffered languages, I dont even need to think > about that. Why do I need to worry about these things in > C++ and is C++ really that hard - at the moment, it looks > as scarry as my Gran > > Oh, and just how hard is it to learn COM - I've been > looking all over the place and even the com section on > MS's site doesnt really have that much for absolute > beginners! > > Thanks all > > Simon
isemmelExcellent answers guys Thanks very much Simon
blah5928Jonathan makes good points, but as an aside, until another method for
providing components to more 'managed' languages comes along to replace COM,
it isn't likely going anywhere soon...
WTH
"Jonathan Wood" <jwood@softcircuits.com> wrote in message
news:ON8FTUqiDHA.1940@TK2MSFTNGP09.phx.gbl...
> Simon,
>
> > 1. The methods all have really stupid names that are hard
> > to descern a function from.
>
> I'm not sure why you say this. When writing C++ code, you can call the
> methods whatever you like.
>
> > 2. You need to think about pointers and cleaning up
> > memory.
>
> Yes, and this is a bit confusing for some. However, memory you allocated
> needs to be freed--it isn't all that complicated.
>
> > But in my preffered languages, I dont even need to think
> > about that. Why do I need to worry about these things in
> > C++ and is C++ really that hard - at the moment, it looks
> > as scarry as my Gran
>
> Well, if you want easy--you might try something like Visual Basic. If you
> want more power and control, then you'll need to use a language that
> requires you to be aware of a few more things.
>
> C and C++ are, by far, my favorite languages. It's a personal thing so
that
> doesn't mean to much but what I like about them are the simplicity and
> flexibility--things that don't always go together.
>
> However, that said, I'm not sure if I'd choose to learn those languages at
> this time. While COM is still important, it is on it's way out. And there
> will undoubtedly be something else after .NET. So I personally think it
> makes more sense to be learning things that are on the way in rather than
> out. But, in the end, it depends on exactly what you want to accomplish.
>
> Jonathan
>
>
WTH, > Jonathan makes good points, but as an aside, until another method for > providing components to more 'managed' languages comes along to replace COM, > it isn't likely going anywhere soon... Can you clarify this? Hasn't .NET done exactly this already? Jonathan Wood SoftCircuits Programming http://www.softcircuits.com
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Click on mailto in outlook2003 open a lot of i.e windows
hi, i'm using outlook 2003 and when i click one on the mailto link (in a mail i recieved), IE open more than 20 windows instead opening oulook new message. ty for your help regards emk emeric <emk@free.fr> wrote: > i'm using outlook 2003 and when i click one on the mailto link (in a > mail i recieved), IE open more than 20 windows instead opening oulook > new message. In IE, try this: click Tools>Internet Options>Programs>Reset Web Settings. Let us know if it changes anything. -- Brian Tillman Brian Tillman a �crit : > emeric <emk@free.fr&...
C# extension functions using MSXML?
I'm having performance/memory problems using .NET's XslTransform class so I thought I'd give the MSXML object's a whirl. The question I haven't been able to find in these groups is can I use C# extension functions with the MSXML objects? More specifically to use a C# class which has all my extension functions. I've seen examples where the stylesheet uses the <msxsl:script> element and embeds C# code, but that's not a viable solution for my situation since I'll be maintaining lots of different stylesheets which require the same extension functions. (if ...
Hey /w VB Code...
I had this code to switch my view every hour to the Outlook main screen; but it no longer works /w Outlook 2003 - can anyone help? Thanks in advance! Dim iHour Private Sub SwitchView() If Hour(Now) <> iHour Then Dim ctl As Office.CommandBarControl Dim cbpop As Office.CommandBarPopup Dim cb As Office.CommandBar Set cb = Application.ActiveExplorer.CommandBars("Menu Bar") Set ctl = cb.FindControl(ID:=5599, Recursive:=True) ctl.Execute iHour = Hour(Now) Set ctl = Nothing Set cb = Nothing End If End...
Application crashing because of chkesp.c error..
Hi, File : i386\chkesp.c Line : 42 The value of ESP was not properly saved across a function call. This is usually a result of calling a function declared with one calling convention with a function pointer declared with a different calling convention. What does this error mean ?/ The executable runs perfectly on my machine but when i give it on to the client machine.. it crashes while loading.. I need to solve this issue.. how can I ?? ===== Regards, Jigar Mehta A calling convention is the protocol used to call the function (how parameters are passed and the stack is restored). Y...
for some reason when i deploy my C# application on windows 2003 occasionaly rdr[0].ToString() hangs where rdr is a System.Data.SqlClient.SqlDataReader. Is there a fix for this? is my visual studio.net
for some reason when i deploy my C# application on windows 2003 occasionaly rdr[0].ToString() hangs where rdr is a System.Data.SqlClient.SqlDataReader. Is there a fix for this? is my visual studio.net out dated? Hi, 1. Does this seem to you to be the right Newsgroup to ask this question ? I would have suggested "microsoft.public.dotnet.framework.adonet". 2. Is there supposed to be a difference between the Message Subject and the Message body ? Isn't the Message Subject supposed to be abbreviated ? 3. As for your question : I strongly doubt if your VS.NET can be called "o...
Money 2005 'C' Column
I have several bank accounts that I track on my computer using Microsoft Money 2005; I store the data online, so that it can be accessed and edited by two users. A co-worker also uses the same data online; the deposits and checks written show up correctly, no matter which of us has entered the information. What does not show up is an entry in the reconciliation column. The reconciliation is done on my system. Then, the entries that are marked with a “C,” don’t display a “C” for my co-worker. She can never tell which entries have cleared the bank. It is a puzzle why all the informa...
Hyperlinks with C++ 6.0
Hi, I hope this is the right place to post this question, it has to do with mfc i guess. I'm trying to hyperlink, a C++ application to a Microsoft Excel spread sheet. Basically I want to simply open a file in Microsoft Excel. Does anyone know of any ways of doing this? or any available ActiveX controls which I can use to do this? I have also tried to use the Microsoft Office Spreadsheet control version 9 and 10, and I just cannot get these to work. When I insert them into my application, it just does not run properly. It starts up, but it does not show any dialog boxes, just wast...
C# windows service freezes on System.Diagnostics.Process.Start(info)
C# windows service freezes on System.Diagnostics.Process.Start(info) When I launch PSCP from a C# windows service and launch pscp 0.53 there are no issues. but when I use C# windows service to launch pscp 0.58 C# freezes in System.Diagnostics.Process.Start(info)? pscp 0.58 works fine at command line, but causes C# to freeze on ystem.Diagnostics.Process.Start(info) also i noticed that the pscp process does not show in taske manager while ystem.Diagnostics.Process.Start(info) is hanging. Reguardless of the implementation of PSCP, how can ystem.Diagnostics.Process.Start(info) ever freeze ...
c/c++/vc++
Hi All, I want to learn c/c++/vc++ from the basics to attend an exam. I know there are many sites for that but what i want is the one in which there is a Question and Answer scenario so that i can brush them once. any help would be greatly appreciated. Thanks in advance. Kusuma. Why do you want to do this? An exam is to show proof of your existing knowledge of a particular subject. If you simply brushed over something as complex as C++, took an exam and (somehow) passed it, what value is there in that? I assume you are wanting the exam for employment purposes. If that is correct, do ...
How to convert Delphi Record to C#?
There is an old program that I'm rewriting. The program stores the data into an array and dumps it to a file. I can't seem to properly load the file though. Here is the record I'm working with: type TMyJob = record ReceiveDate: string[10]; JobName: string[150]; Contractor: string[100]; AssignDate: string[10]; DetailerName: string[30]; end; Jobs: array of TMyJob; Does anyone know how to convert this? "Magus" <mr.magus@gmail.com> wrote in message news:c234d4d2-221a-4389-802c-a1eaada8791c@v20g2000yqv.googlegroups.com... &...
Function address from VB?
Great day. I have a question. I'm trying to find out in VB from which cell my formula was called. For example I have a user defined formula public function MyFormula() MyFormula = 10 end function if somebody calls this function from sheet1 cell A1 (b "=MyFunction()"). Is there a way for me to find out that in VB? Thank you -- Message posted from http://www.ExcelForum.com Application.Caller.Address will give you the address that called th function. -- Message posted from http://www.ExcelForum.com kkknie, Thank you!!!! This works great!! -- Message posted from h...
decrease C:\exchsrvr\imcdata\out\archive ???
C:\exchsrvr\imcdata\out\archive Is there anything I can do to make the size of this folder to decrease? Right now, its at 10GB. Using Exchange 5.5. C drive free space is getting awefully tight... Please help... Chris H If you don't need the files, for archiving or diagnostic purposes, you can remove the files. If you do need them, then you may want to back them up before you remove them and store that backup tape separately and write protect it. Removing the files is a pretty straight-forward process. You will need to stop the IMS first... and you will likely not want to enu...
I check "windows in task bar", after restarting, it is no longer c
In Excel if I check "windows in task bar", (Tools, Opions, View Tab) after I have restarted the machine this option is now unchecked. I have unchecked "Group Similar Task Bar Buttons" in my Task Bar Properties What version of excel are you running? There's a bug in xl2k that shows up if you're working with shared workbooks. If you're not using xl2k and shared workbooks, it sounds like you don't have permission to save this setting in your windows registry. I'd talk to my IT folks to find out if they can fix it. but.... Saved from a previous post....
How do I define column C so C(n) =A(n)+B(n)
I want to create a spreadsheet where some cell entries are mathematical functions of data in corresponding cells (same row) of other columns. For example, assume fixed data in columns A and B. In column C, I want C(1) to = A(1) + B(1) etc. Hi in C1 type =A1+B1 then move your cursor over the bottom right hand corner until you see a + (known as the autofill handle) hold the left mouse down and drag down the column as far as you need to go and let go, the formula will be filled in for you for each line Cheers julieD "S M Raucher" <S M Raucher@discussions.microsoft.com>...