2014/1/14-2/5 [Computer/SW/Languages/C_Cplusplus] UID:54763 Activity:nil | 1/14 Why is NULL defined to be "0" in C++ instead of "((void *) 0)" like in
C? I have some overloaded functtions where one takes an integer
parameter and the other a pointer parameter. When I call it with
"NULL", the compiler matches it with the integer version instead of
the pointer version which is a problem. Other funny effect is that
sizeof(NULL) is different from sizeof(myPtr). Thanks.
...
|
2011/3/7-4/20 [Computer/SW/Languages/C_Cplusplus] UID:54056 Activity:nil | 3/7 I have a C question. I have the following source code in two identical
files t.c and t.cpp:
#include <stdlib.h>
int main(int argc, char *argv[]) {
const char * const * p1;
const char * * p2;
...
|
2009/7/21-24 [Computer/SW/Languages/Java] UID:53168 Activity:moderate | 7/20 For those who care btw, it looks like eclipse is now A Standard Tool
at UCB ugrad cs, probably replaced emacs. Furthermore, people get
angry at seeing Makefiles, (since eclispe takes care of that). I
guess it's just a sign of the times.
\_ The more people at my work use eclipse the less the code is
managable in emacs. I'm not sure which application's fault
...
|
2005/2/15-16 [Computer/SW/Languages/C_Cplusplus, Computer/SW/Compilers] UID:36174 Activity:moderate | 2/15 Technical question: we have a memory leak in our C code, we think,
but it's not the sort of memory leak where the memory's unreferenced.
What we'd like to do is sort of a poor-man's profile, we want
to know who calls our memory allocator "New"... Sorta like a stack
trace. Using an actual profiler is sort of difficult 'cause it's
a parallel application. Thanks, --peterm
...
|
2004/9/23 [Computer/SW/Languages/C_Cplusplus] UID:33716 Activity:high | 9/23 Is the a C++ equivelent to the C realloc function?
\_ realloc(). But seriously, maybe you want an STL container
that automatically grows.
\_ Not in this case. I just need to grow a char array
automatically myself. (For speed reasons) Really, It's a
very isolated place in the code, and I'll probably just end
...
|
2004/8/10-11 [Computer/SW/Languages/C_Cplusplus, Computer/SW/Compilers] UID:32805 Activity:high | 8/10 C question. Is there anything wrong with the following?
const my_struct_t **pp;
pp = malloc(sizeof(my_struct_t *));
pp = realloc(pp, sizeof (my_struct_t *) * 2);
"gcc -Wall" doesn't complain. But the M$ compiler (cl.exe) complains
about the realloc line:
...
|
2004/4/13-14 [Computer/SW/Languages/C_Cplusplus] UID:13175 Activity:high | 4/13 How much C++/C knowledge do recent Berkeley CS/EECS grad have?
\_ Class CSGrad inherits FromDaddy and does not implement C++Knowledge
very well.
\_ funny. just the rich and poor as always. the middle class can't
afford education.
\_ They know how to deal with pointers and addresses, malloc and free.
...
|
2003/12/4-5 [Computer/SW/Languages/C_Cplusplus] UID:11317 Activity:nil | 12/4 Is there any reason to worry about mixing the usage of malloc and new?
Obviously, you can't delete() malloc'd memory (and vv), but aside from
that, will bad things happen? Oh, I should note that this is for a C
library that is used by C++ -- a coworker suggested wrapping my memory
allocations (and deletions) with
#ifdef __cplusplus
...
|
2003/1/18-19 [Computer/SW/Languages/C_Cplusplus] UID:27139 Activity:very high | 1/17 If I have "foo_bar_baz_struct_t *p, *q;", which of the following
is better?
1. p = malloc(sizeof (foo_bar_baz_struct_t));
memcpy(q, p, sizeof (foo_bar_baz_struct_t));
2. p = malloc(sizeof *p);
memcpy(q, p, sizeof *p);
...
|
2001/2/27 [Computer/HW/Memory, Computer/SW/Languages/C_Cplusplus] UID:20713 Activity:high | 2/26 Hey folks, I'm looking for something like Purify but cheap.
What do people do for C programming to guard against memory
bashing and leaks, other than write their own malloc and
buy expensive software from Rational?
\_ wasn't there some kind of program to analyze C code for
no no's. I think it was called something like lint.
...
|
2001/1/25-26 [Computer/SW/Languages/C_Cplusplus] UID:20431 Activity:high | 1/25 C question. I want to declare a variable p which stores the pointer to
a malloc'ed array of 65536 elements. Each of these 65536 elements
in turn stores the pointer to a malloc'ed array or 16 int's. What's
the best way to declare p to include as much type information as
possible? Sure I can do "int ***p;", but that doesn't contain much
type information. Thanks.
...
|
2000/2/11-13 [Computer/SW/Languages/C_Cplusplus] UID:17485 Activity:very high | 2/10 I get an impression that new grads coming out of berkeley don't
have much exposure to C. I mean pure C, not C++. How do most
people feel about this? I guess I'm asking alumni who are hiring
and also current students.
\_ I've spent the last year doing project in only C or Java, no C++.
\_ they don't necessarily have much exposure to C++ either...
...
|
2012/4/2-6/4 [Computer/SW/Languages/Java, Computer/SW/RevisionControl] UID:54353 Activity:nil | 4/02 We use Perforce at work for revision control. It seems to work okay.
Lately, a lot of the newer developers are saying that Perforce
sucks and we should switch to Mercurial or Git. I have done some
searching on the Internet and some others have this opinion. Added
advantage is that Mercurial and Git are free. However, there would
be some work to switch for the sysadmins and the developers.
...
|
2011/4/16-7/13 [Computer/SW/Languages/Python] UID:54086 Activity:nil | 4/16 Whoa, I just heard that MIT discontinued 6.001 (classic scheme)
to 6.01. In fact, 6.00, 6.01 and 6.02 all use Python. What the
hell? What has the world become? It's a sad sad day. SICP forever!
\_ old story, they've ditched that shitty book and lang for a while.
\_ I used to think scheme was cool, then I saw Ka Ping Yee's
"Beautiful Code" class aka 61a in python, and converted.
...
|
2011/4/26-7/13 [Computer/Theory, Health/Women] UID:54095 Activity:nil | 4/26 Is it correct to say that Godel's work on the incompleteness thm
proved the Principia Mathematica wrong?
\_ It didn't exactly prove it wrong; it proved that the true goal of
PM (a complete and consistent set of mathematical truths)
is unattainable. -tom
\_ Ah cool, no this is good. See ok yeah so the main goal of PM
...
|
2011/2/24-4/20 [Computer/SW/Languages/Java] UID:54048 Activity:nil | 2/24 Go Programming Language. Anyone here use it? It kind of
reminds me of java-meets python, and well, that is fitting given it's
a GOOG product. What is so special about it?
\_ as I understand it, it's a suitable OOP-y systems language with more
structure than C, less complexity than C++, and less overhead than
Java/Python.
...
|
2010/8/8-9/7 [Computer/SW/Languages/C_Cplusplus, Computer/SW/Languages/Web] UID:53914 Activity:nil | 8/8 Trying to make a list of interesting features languages have
touted as this whole PL field comes around, trying to see if they
have basis in the culture of the time: feel free to add some/dispute
1970 C, "portability"
1980 C++, classes, oop, iterators, streams, functors, templates
expert systems
...
|
|