C and C++ Forum RSS Feed (Replies Included)

Re: pls hlp me implement the function malloc in c

Sat, 21 Nov 2009 06:13:53 -0700

malloc is a system function. What I mean is that it needs to allocate memory from the OS. And every C language has malloc already implemented. I do not see the point to do it.

Re: pls hlp me implement the function malloc in c

Fri, 20 Nov 2009 21:42:59 -0700

and pls d help m as fast as u can cuz iv only 5 days left to complete this

pls hlp me implement the function malloc in c

Fri, 20 Nov 2009 21:34:13 -0700

hello!
i am new to this language and i was asked to implement malloc() in c language. i understand how malloc works but have difficulties in implementation. pls help me out. if can gv m a simple code so dat i can learn more on this.

pls hlp me implement the function malloc in c

Fri, 20 Nov 2009 21:32:29 -0700

Re: initializing static array

Fri, 20 Nov 2009 12:35:56 -0700

Let mne clarify what I mean by "static". I mean that the array is a static member of the class.

initializing static array

Fri, 20 Nov 2009 12:22:21 -0700

I am writing a class which will have a static array. I need to initialize the array using a for loop. There will be several instances of the class, each of which will read values from the array. The instances need to treat the array as "constant". The code to initialize the array needs to be executed only once, not once for each instance.

Can I do all of this, and what is the syntax?

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Re: Forums no longer moderated

Wed, 18 Nov 2009 06:25:07 -0700

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Tue, 17 Nov 2009 23:31:24 -0700

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Tue, 17 Nov 2009 23:31:22 -0700

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Tue, 17 Nov 2009 23:29:32 -0700

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Re: opendialog boxes and selecting multiple files

Tue, 17 Nov 2009 16:54:19 -0700

Hi if You still got problem with that, I can help You, contact with me on e-mail.

Re: Effective tool for run-time errors and memory leaks detection

Tue, 17 Nov 2009 05:22:35 -0700

Call this function just before your main() returns:
http://msdn.microsoft.com/en-us/library/d41t22sb(VS.80).aspx

Re: help with strings

Tue, 17 Nov 2009 05:16:26 -0700

If you have a linked list - binary search will not be effective, because it requires that collection be accessed with an index and linked list does not have that ability. You need an array here.

Once you have an array filled and sorted - you should be able to use binary search. In callback function for a search you need to check not the whole string, but only its prefix - it should be easy enough.

And binary search will only give you the answer - if the prefix found or not. The full list of words starting with the prefix you will find using the found index. Go up the array (from index returned by BS) and find where the group of words begins (at which index), then go down the array (from index returned by BS) and find the end of the group.

Effective tool for run-time errors and memory leaks detection

Tue, 17 Nov 2009 01:44:28 -0700

Hi!

Created application is working toooo slow, looks like there are a lot of memory leaks, there are a lot of pointers. So, please, can you advice some effective tool for run-time errors and memory leaks detection in Visual Studio C++?

help with strings

Tue, 17 Nov 2009 00:34:31 -0700

Hello I need help with the following algorithm:

We have a sorted list of strings( as in dictionary) and a string (a “word”), we need to find if there is any string in the dictionary which starts with the given word.For example, if the word is "ho", we need to find if the dictionary has any words starting with "ho".

I thought of proceeding by using the binary search method but am unable to proceed much with it Can someone kindly help me with this problem.

Thanx a lot,
Akshay

help with strings

Tue, 17 Nov 2009 00:32:52 -0700

Re: Forums no longer moderated

Mon, 16 Nov 2009 08:47:50 -0700

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Re: VC++ Build Error

Sat, 14 Nov 2009 05:20:14 -0700

This is actually a Run-Time error, not a Build error. When you see the assertion box - press 'Debug' button on it and check the code (stack trace it back to your code).

Re: C double variable takes up too much space

Sat, 14 Nov 2009 05:14:12 -0700

The proper size of any variable is taken with sizeof() operator and not by calculating address difference:

double value;
printf ("\nType 'double' takes %d bytes for storage.\n", sizeof (value));

The results you seeing are the effect of stack alignment - stack must be aligned on 8 or 16 byte frame. If variables on stack are crossing these boundaries - the storage room is aligned for:

1. Performance - aligned variables are faster to access by CPU
2. Stack room in general (see Intel Manuals) must be aligned, otherwise program will crash.

Re: Forums no longer moderated

Fri, 13 Nov 2009 12:13:31 -0700

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Re: code equivalent ot MSDOS/WINDOWS tree command

Fri, 13 Nov 2009 07:49:24 -0700

Hi. I a a student on a technological institute of Serres Greece and i have as project to simulate the ms dos tree command on a c programm. Could you please give me a full code example to study cause i read the example here and i wasn't able to write the code. thanks

VC++ Build Error

Fri, 13 Nov 2009 02:00:33 -0700

Hai

I am very much new to VC++. iam a new guy.

I am giving VC++ .cpp files and asked to compile the files.

During Build the following error comes..

Debug assertion failed:
Program: c:\windows\system32.exe
File: oletyplb.cpp
Line: 32

Kindly help me on this....

Waiting for your reply

S

Re: CreateProcess Q?

Thu, 12 Nov 2009 13:08:14 -0700

Hi,

Do you have any idea about how to read the message on the console using your programme? i want to execute something on the cmd.exe and i would like to read the output of the command executed.

for eg: PING 127.0.0.1
Reply from 127.0.0.1: bytes=32 time<1ms TTL=128

i would like to read " Reply from 127.0.0.1: bytes=32 time<1ms TTL=128
into a string.

is it possible?

Re: CreateProcess Q?

Thu, 12 Nov 2009 13:00:40 -0700