Valgrind says
==11604== Invalid read of size 4
==11604== at 0x8048ABB: main (foo.cc:36)
==11604== Address 0x1B92415C is 4 bytes inside a block of size 8 free'd
==11604== at 0x1B90514F: operator delete(void*) (vg_replace_malloc.c:156)
==11604== by 0x804A1BA: __gnu_cxx::new_allocator<Foo>::deallocate(Foo*, unsigned) (new_allocator.h:86)
==11604== by 0x8049C08: std::_Vector_base<Foo, std::allocator<Foo> >::_M_deallocate(Foo*, unsigned) (stl_vector.h:117)
==11604== by 0x80492A0: std::vector<Foo, std::allocator<Foo> >::_M_insert_aux(__gnu_cxx::__normal_iterator<Foo* , std::vector<Foo, std::allocator<Foo> > >, Foo const&) (vector.tcc:264)
==11604==
==11604== Invalid read of size 4
==11604== at 0x8048ABE: main (foo.cc:36)
==11604== Address 0x1B924158 is 0 bytes inside a block of size 8 free'd
==11604== at 0x1B90514F: operator delete(void*) (vg_replace_malloc.c:156)
==11604== by 0x804A1BA: __gnu_cxx::new_allocator<Foo>::deallocate(Foo*, unsigned) (new_allocator.h:86)
==11604== by 0x8049C08: std::_Vector_base<Foo, std::allocator<Foo> >::_M_deallocate(Foo*, unsigned) (stl_vector.h:117)
==11604== by 0x80492A0: std::vector<Foo, std::allocator<Foo> >::_M_insert_aux(__gnu_cxx::__normal_iterator<Foo* , std::vector<Foo, std::allocator<Foo> > >, Foo const&) (vector.tcc:264)
When this program is run with the command
valgrind --tool=memcheck --leak-check=yes -v ./foo
The complete valgrind output is at the end of this message.
This is not the real program but only the smallest possible
program that shows the error. The real program crashes
with segmentation fault.
=============================
//Compile command: g++ -g -Wall -O0 foo.cc -o foo
#include <vector>
#include <iostream>
#include <cstdlib>
using namespace std;
struct Foo {
double x;
Foo() : x (0) {}
Foo (const double a) : x (a) {}
};
struct Bar {
vector<Foo> foo;
Bar (const Foo &f)
{
foo.push_back (f);
}
};
int main()
{
vector<Bar> bar;
const size_t N = 10;
for (size_t i = 0; i < N; i++) {
bar.push_back (Bar(Foo(i)));
for (size_t j = 0; j < bar.size()-1; j++) {
const Foo &f = bar[j].foo.back();
bar[j].foo.push_back (Foo(j));
cout << f.x << endl; // Line 36.
}
}
return 0;
}
=============================
==11604== Memcheck, a memory error detector for x86-linux.
==11604== Copyright (C) 2002-2004, and GNU GPL'd, by Julian Seward et al.
==11604== Using valgrind-2.2.0, a program supervision framework for x86-linux.
==11604== Copyright (C) 2000-2004, and GNU GPL'd, by Julian Seward et al.
==11604== Valgrind library directory: /usr/local/lib/valgrind
==11604== Command line
==11604== ./foo
==11604== Startup, with flags:
==11604== --tool=memcheck
==11604== --leak-check=yes
==11604== -v
==11604== Contents of /proc/version:
==11604== Linux version 2.6.10-1.760_FC3smp (bh*******@bugs.build.redhat.com) (gcc version 3.4.2 20041017 (Red Hat 3.4.2-6.fc3)) #1 SMP Wed Feb 2 00:29:03 EST 2005
==11604== Reading syms from /home/hvaisane/foo (0x8048000)
==11604== Reading syms from /lib/ld-2.3.4.so (0x1B8E4000)
==11604== object doesn't have any debug info
==11604== Reading syms from /usr/local/lib/valgrind/stage2 (0xB0000000)
==11604== Reading syms from /lib/ld-2.3.4.so (0xB1000000)
==11604== object doesn't have any debug info
==11604== Reading syms from /usr/local/lib/valgrind/vgskin_memcheck.so (0xB7C91000)
==11604== Reading syms from /lib/tls/libc-2.3.4.so (0xB7EBA000)
==11604== object doesn't have any debug info
==11604== Reading syms from /lib/libdl-2.3.4.so (0xB7FE4000)
==11604== object doesn't have any debug info
==11604== Reading suppressions file: /usr/local/lib/valgrind/default.supp
==11604== REDIRECT soname:libc.so.6(__GI___errno_location) to soname:libpthread.so.0(__errno_location)
==11604== REDIRECT soname:libc.so.6(__errno_location) to soname:libpthread.so.0(__errno_location)
==11604== REDIRECT soname:libc.so.6(__GI___h_errno_location) to soname:libpthread.so.0(__h_errno_location)
==11604== REDIRECT soname:libc.so.6(__h_errno_location) to soname:libpthread.so.0(__h_errno_location)
==11604== REDIRECT soname:libc.so.6(__GI___res_state) to soname:libpthread.so.0(__res_state)
==11604== REDIRECT soname:libc.so.6(__res_state) to soname:libpthread.so.0(__res_state)
==11604== REDIRECT soname:libc.so.6(stpcpy) to *vgpreload_memcheck.so*(stpcpy)
==11604== REDIRECT soname:libc.so.6(strnlen) to *vgpreload_memcheck.so*(strnlen)
==11604== REDIRECT soname:ld-linux.so.2(stpcpy) to *vgpreload_memcheck.so*(stpcpy)
==11604== REDIRECT soname:ld-linux.so.2(strchr) to *vgpreload_memcheck.so*(strchr)
==11604==
==11604== Reading syms from /usr/local/lib/valgrind/vg_inject.so (0x1B8FE000)
==11604== Reading syms from /usr/local/lib/valgrind/vgpreload_memcheck.so (0x1B901000)
==11604== TRANSLATE: 0x1B8F5AE0 redirected to 0x1B90420C
==11604== Reading syms from /usr/lib/libstdc++.so.6.0.3 (0xCAC000)
==11604== object doesn't have a symbol table
==11604== object doesn't have any debug info
==11604== Reading syms from /lib/tls/libm-2.3.4.so (0xAA6000)
==11604== object doesn't have any debug info
==11604== Reading syms from /lib/libgcc_s-3.4.2-20041018.so.1 (0xCA2000)
==11604== object doesn't have a symbol table
==11604== object doesn't have any debug info
==11604== Reading syms from /lib/tls/libc-2.3.4.so (0x97A000)
==11604== object doesn't have any debug info
==11604== TRANSLATE: 0xD4D930 redirected to 0x1B904B7B
==11604== TRANSLATE: 0xD4C424 redirected to 0x1B9050CE
==11604== Invalid read of size 4
==11604== at 0x8048ABB: main (foo.cc:36)
==11604== Address 0x1B92415C is 4 bytes inside a block of size 8 free'd
==11604== at 0x1B90514F: operator delete(void*) (vg_replace_malloc.c:156)
==11604== by 0x804A1BA: __gnu_cxx::new_allocator<Foo>::deallocate(Foo*, unsigned) (new_allocator.h:86)
==11604== by 0x8049C08: std::_Vector_base<Foo, std::allocator<Foo> >::_M_deallocate(Foo*, unsigned) (stl_vector.h:117)
==11604== by 0x80492A0: std::vector<Foo, std::allocator<Foo> >::_M_insert_aux(__gnu_cxx::__normal_iterator<Foo* , std::vector<Foo, std::allocator<Foo> > >, Foo const&) (vector.tcc:264)
==11604==
==11604== Invalid read of size 4
==11604== at 0x8048ABE: main (foo.cc:36)
==11604== Address 0x1B924158 is 0 bytes inside a block of size 8 free'd
==11604== at 0x1B90514F: operator delete(void*) (vg_replace_malloc.c:156)
==11604== by 0x804A1BA: __gnu_cxx::new_allocator<Foo>::deallocate(Foo*, unsigned) (new_allocator.h:86)
==11604== by 0x8049C08: std::_Vector_base<Foo, std::allocator<Foo> >::_M_deallocate(Foo*, unsigned) (stl_vector.h:117)
==11604== by 0x80492A0: std::vector<Foo, std::allocator<Foo> >::_M_insert_aux(__gnu_cxx::__normal_iterator<Foo* , std::vector<Foo, std::allocator<Foo> > >, Foo const&) (vector.tcc:264)
==11604== TRANSLATE: 0x1B8E47A0 redirected to 0x52BFF040
0
0
1
0
1
2
0
1
2
3
0
1
2
3
4
0
1
2
3
4
5
0
1
2
3
4
5
6
0
1
2
3
4
5
6
7
0
1
2
3
4
5
6
7
8
==11604== TRANSLATE: 0x9DBA70 redirected to 0x1B904F30
==11604==
==11604== ERROR SUMMARY: 56 errors from 2 contexts (suppressed: 15 from 1)
==11604==
==11604== 28 errors in context 1 of 2:
==11604== Invalid read of size 4
==11604== at 0x8048ABE: main (foo.cc:36)
==11604== Address 0x1B924158 is 0 bytes inside a block of size 8 free'd
==11604== at 0x1B90514F: operator delete(void*) (vg_replace_malloc.c:156)
==11604== by 0x804A1BA: __gnu_cxx::new_allocator<Foo>::deallocate(Foo*, unsigned) (new_allocator.h:86)
==11604== by 0x8049C08: std::_Vector_base<Foo, std::allocator<Foo> >::_M_deallocate(Foo*, unsigned) (stl_vector.h:117)
==11604== by 0x80492A0: std::vector<Foo, std::allocator<Foo> >::_M_insert_aux(__gnu_cxx::__normal_iterator<Foo* , std::vector<Foo, std::allocator<Foo> > >, Foo const&) (vector.tcc:264)
==11604==
==11604== 28 errors in context 2 of 2:
==11604== Invalid read of size 4
==11604== at 0x8048ABB: main (foo.cc:36)
==11604== Address 0x1B92415C is 4 bytes inside a block of size 8 free'd
==11604== at 0x1B90514F: operator delete(void*) (vg_replace_malloc.c:156)
==11604== by 0x804A1BA: __gnu_cxx::new_allocator<Foo>::deallocate(Foo*, unsigned) (new_allocator.h:86)
==11604== by 0x8049C08: std::_Vector_base<Foo, std::allocator<Foo> >::_M_deallocate(Foo*, unsigned) (stl_vector.h:117)
==11604== by 0x80492A0: std::vector<Foo, std::allocator<Foo> >::_M_insert_aux(__gnu_cxx::__normal_iterator<Foo* , std::vector<Foo, std::allocator<Foo> > >, Foo const&) (vector.tcc:264)
--11604--
--11604-- supp: 15 dl_relocate_object/dl_main
==11604==
==11604== IN SUMMARY: 56 errors from 2 contexts (suppressed: 15 from 1)
==11604==
==11604== malloc/free: in use at exit: 0 bytes in 0 blocks.
==11604== malloc/free: 68 allocs, 68 frees, 2196 bytes allocated.
==11604==
==11604== No malloc'd blocks -- no leaks are possible.
--11604-- TT/TC: 0 tc sectors discarded.
--11604-- 3507 tt_fast misses.
--11604-- translate: new 3329 (61827 -> 812144; ratio 131:10)
--11604-- discard 1 (23 -> 320; ratio 139:10).
--11604-- chainings: 2258 chainings, 2 unchainings.
--11604-- dispatch: 250000 jumps (bb entries); of them 39279 (15%) unchained.
--11604-- 166/3937 major/minor sched events.
--11604-- reg-alloc: 787 t-req-spill, 150297+6325 orig+spill uis,
--11604-- 18341 total-reg-rank
--11604-- sanity: 167 cheap, 7 expensive checks.
--11604-- ccalls: 15511 C calls, 55% saves+restores avoided (50450 bytes)
--11604-- 20825 args, avg 0.87 setup instrs each (5226 bytes)
--11604-- 0% clear the stack (46404 bytes)
--11604-- 5874 retvals, 32% of reg-reg movs avoided (3644 bytes)
2  22745  hv******@cc.joensuu.fi wrote: Valgrind says
==11604== Invalid read of size 4
==11604== at 0x8048ABB: main (foo.cc:36)
==11604== Address 0x1B92415C is 4 bytes inside a block of size 8 free'd
==11604== at 0x1B90514F: operator delete(void*) (vg_replace_malloc.c:156)
==11604== by 0x804A1BA: __gnu_cxx::new_allocator<Foo>::deallocate(Foo*, unsigned) (new_allocator.h:86)
==11604== by 0x8049C08: std::_Vector_base<Foo, std::allocator<Foo> >::_M_deallocate(Foo*, unsigned) (stl_vector.h:117)
==11604== by 0x80492A0: std::vector<Foo, std::allocator<Foo> >::_M_insert_aux(__gnu_cxx::__normal_iterator<Foo* , std::vector<Foo, std::allocator<Foo> > >, Foo const&) (vector.tcc:264)
==11604==
==11604== Invalid read of size 4
==11604== at 0x8048ABE: main (foo.cc:36)
==11604== Address 0x1B924158 is 0 bytes inside a block of size 8 free'd
==11604== at 0x1B90514F: operator delete(void*) (vg_replace_malloc.c:156)
==11604== by 0x804A1BA: __gnu_cxx::new_allocator<Foo>::deallocate(Foo*, unsigned) (new_allocator.h:86)
==11604== by 0x8049C08: std::_Vector_base<Foo, std::allocator<Foo> >::_M_deallocate(Foo*, unsigned) (stl_vector.h:117)
==11604== by 0x80492A0: std::vector<Foo, std::allocator<Foo> >::_M_insert_aux(__gnu_cxx::__normal_iterator<Foo* , std::vector<Foo, std::allocator<Foo> > >, Foo const&) (vector.tcc:264)
When this program is run with the command
valgrind --tool=memcheck --leak-check=yes -v ./foo
The complete valgrind output is at the end of this message.
This is not the real program but only the smallest possible
program that shows the error. The real program crashes
with segmentation fault.
=============================
//Compile command: g++ -g -Wall -O0 foo.cc -o foo
#include <vector>
#include <iostream>
#include <cstdlib>
using namespace std;
struct Foo {
double x;
Foo() : x (0) {}
Foo (const double a) : x (a) {}
};
struct Bar {
vector<Foo> foo;
Bar (const Foo &f)
{
foo.push_back (f);
}
};
int main()
{
vector<Bar> bar;
const size_t N = 10;
for (size_t i = 0; i < N; i++) {
bar.push_back (Bar(Foo(i)));
for (size_t j = 0; j < bar.size()-1; j++) {
const Foo &f = bar[j].foo.back();
bar[j].foo.push_back (Foo(j));
cout << f.x << endl; // Line 36.
}
}
return 0;
}
=============================
==11604== Memcheck, a memory error detector for x86-linux.
==11604== Copyright (C) 2002-2004, and GNU GPL'd, by Julian Seward et al.
==11604== Using valgrind-2.2.0, a program supervision framework for x86-linux.
==11604== Copyright (C) 2000-2004, and GNU GPL'd, by Julian Seward et al.
==11604== Valgrind library directory: /usr/local/lib/valgrind
==11604== Command line
==11604== ./foo
==11604== Startup, with flags:
==11604== --tool=memcheck
==11604== --leak-check=yes
==11604== -v
==11604== Contents of /proc/version:
==11604== Linux version 2.6.10-1.760_FC3smp (bh*******@bugs.build.redhat.com) (gcc version 3.4.2 20041017 (Red Hat 3.4.2-6.fc3)) #1 SMP Wed Feb 2 00:29:03 EST 2005
==11604== Reading syms from /home/hvaisane/foo (0x8048000)
==11604== Reading syms from /lib/ld-2.3.4.so (0x1B8E4000)
==11604== object doesn't have any debug info
==11604== Reading syms from /usr/local/lib/valgrind/stage2 (0xB0000000)
==11604== Reading syms from /lib/ld-2.3.4.so (0xB1000000)
==11604== object doesn't have any debug info
==11604== Reading syms from /usr/local/lib/valgrind/vgskin_memcheck.so (0xB7C91000)
==11604== Reading syms from /lib/tls/libc-2.3.4.so (0xB7EBA000)
==11604== object doesn't have any debug info
==11604== Reading syms from /lib/libdl-2.3.4.so (0xB7FE4000)
==11604== object doesn't have any debug info
==11604== Reading suppressions file: /usr/local/lib/valgrind/default.supp
==11604== REDIRECT soname:libc.so.6(__GI___errno_location) to soname:libpthread.so.0(__errno_location)
==11604== REDIRECT soname:libc.so.6(__errno_location) to soname:libpthread.so.0(__errno_location)
==11604== REDIRECT soname:libc.so.6(__GI___h_errno_location) to soname:libpthread.so.0(__h_errno_location)
==11604== REDIRECT soname:libc.so.6(__h_errno_location) to soname:libpthread.so.0(__h_errno_location)
==11604== REDIRECT soname:libc.so.6(__GI___res_state) to soname:libpthread.so.0(__res_state)
==11604== REDIRECT soname:libc.so.6(__res_state) to soname:libpthread.so.0(__res_state)
==11604== REDIRECT soname:libc.so.6(stpcpy) to *vgpreload_memcheck.so*(stpcpy)
==11604== REDIRECT soname:libc.so.6(strnlen) to *vgpreload_memcheck.so*(strnlen)
==11604== REDIRECT soname:ld-linux.so.2(stpcpy) to *vgpreload_memcheck.so*(stpcpy)
==11604== REDIRECT soname:ld-linux.so.2(strchr) to *vgpreload_memcheck.so*(strchr)
==11604==
==11604== Reading syms from /usr/local/lib/valgrind/vg_inject.so (0x1B8FE000)
==11604== Reading syms from /usr/local/lib/valgrind/vgpreload_memcheck.so (0x1B901000)
==11604== TRANSLATE: 0x1B8F5AE0 redirected to 0x1B90420C
==11604== Reading syms from /usr/lib/libstdc++.so.6.0.3 (0xCAC000)
==11604== object doesn't have a symbol table
==11604== object doesn't have any debug info
==11604== Reading syms from /lib/tls/libm-2.3.4.so (0xAA6000)
==11604== object doesn't have any debug info
==11604== Reading syms from /lib/libgcc_s-3.4.2-20041018.so.1 (0xCA2000)
==11604== object doesn't have a symbol table
==11604== object doesn't have any debug info
==11604== Reading syms from /lib/tls/libc-2.3.4.so (0x97A000)
==11604== object doesn't have any debug info
==11604== TRANSLATE: 0xD4D930 redirected to 0x1B904B7B
==11604== TRANSLATE: 0xD4C424 redirected to 0x1B9050CE
==11604== Invalid read of size 4
==11604== at 0x8048ABB: main (foo.cc:36)
==11604== Address 0x1B92415C is 4 bytes inside a block of size 8 free'd
==11604== at 0x1B90514F: operator delete(void*) (vg_replace_malloc.c:156)
==11604== by 0x804A1BA: __gnu_cxx::new_allocator<Foo>::deallocate(Foo*, unsigned) (new_allocator.h:86)
==11604== by 0x8049C08: std::_Vector_base<Foo, std::allocator<Foo> >::_M_deallocate(Foo*, unsigned) (stl_vector.h:117)
==11604== by 0x80492A0: std::vector<Foo, std::allocator<Foo> >::_M_insert_aux(__gnu_cxx::__normal_iterator<Foo* , std::vector<Foo, std::allocator<Foo> > >, Foo const&) (vector.tcc:264)
==11604==
==11604== Invalid read of size 4
==11604== at 0x8048ABE: main (foo.cc:36)
==11604== Address 0x1B924158 is 0 bytes inside a block of size 8 free'd
==11604== at 0x1B90514F: operator delete(void*) (vg_replace_malloc.c:156)
==11604== by 0x804A1BA: __gnu_cxx::new_allocator<Foo>::deallocate(Foo*, unsigned) (new_allocator.h:86)
==11604== by 0x8049C08: std::_Vector_base<Foo, std::allocator<Foo> >::_M_deallocate(Foo*, unsigned) (stl_vector.h:117)
==11604== by 0x80492A0: std::vector<Foo, std::allocator<Foo> >::_M_insert_aux(__gnu_cxx::__normal_iterator<Foo* , std::vector<Foo, std::allocator<Foo> > >, Foo const&) (vector.tcc:264)
==11604== TRANSLATE: 0x1B8E47A0 redirected to 0x52BFF040
0
0
1
0
1
2
0
1
2
3
0
1
2
3
4
0
1
2
3
4
5
0
1
2
3
4
5
6
0
1
2
3
4
5
6
7
0
1
2
3
4
5
6
7
8
==11604== TRANSLATE: 0x9DBA70 redirected to 0x1B904F30
==11604==
==11604== ERROR SUMMARY: 56 errors from 2 contexts (suppressed: 15 from 1)
==11604==
==11604== 28 errors in context 1 of 2:
==11604== Invalid read of size 4
==11604== at 0x8048ABE: main (foo.cc:36)
==11604== Address 0x1B924158 is 0 bytes inside a block of size 8 free'd
==11604== at 0x1B90514F: operator delete(void*) (vg_replace_malloc.c:156)
==11604== by 0x804A1BA: __gnu_cxx::new_allocator<Foo>::deallocate(Foo*, unsigned) (new_allocator.h:86)
==11604== by 0x8049C08: std::_Vector_base<Foo, std::allocator<Foo> >::_M_deallocate(Foo*, unsigned) (stl_vector.h:117)
==11604== by 0x80492A0: std::vector<Foo, std::allocator<Foo> >::_M_insert_aux(__gnu_cxx::__normal_iterator<Foo* , std::vector<Foo, std::allocator<Foo> > >, Foo const&) (vector.tcc:264)
==11604==
==11604== 28 errors in context 2 of 2:
==11604== Invalid read of size 4
==11604== at 0x8048ABB: main (foo.cc:36)
==11604== Address 0x1B92415C is 4 bytes inside a block of size 8 free'd
==11604== at 0x1B90514F: operator delete(void*) (vg_replace_malloc.c:156)
==11604== by 0x804A1BA: __gnu_cxx::new_allocator<Foo>::deallocate(Foo*, unsigned) (new_allocator.h:86)
==11604== by 0x8049C08: std::_Vector_base<Foo, std::allocator<Foo> >::_M_deallocate(Foo*, unsigned) (stl_vector.h:117)
==11604== by 0x80492A0: std::vector<Foo, std::allocator<Foo> >::_M_insert_aux(__gnu_cxx::__normal_iterator<Foo* , std::vector<Foo, std::allocator<Foo> > >, Foo const&) (vector.tcc:264)
--11604--
--11604-- supp: 15 dl_relocate_object/dl_main
==11604==
==11604== IN SUMMARY: 56 errors from 2 contexts (suppressed: 15 from 1)
==11604==
==11604== malloc/free: in use at exit: 0 bytes in 0 blocks.
==11604== malloc/free: 68 allocs, 68 frees, 2196 bytes allocated.
==11604==
==11604== No malloc'd blocks -- no leaks are possible.
--11604-- TT/TC: 0 tc sectors discarded.
--11604-- 3507 tt_fast misses.
--11604-- translate: new 3329 (61827 -> 812144; ratio 131:10)
--11604-- discard 1 (23 -> 320; ratio 139:10).
--11604-- chainings: 2258 chainings, 2 unchainings.
--11604-- dispatch: 250000 jumps (bb entries); of them 39279 (15%) unchained.
--11604-- 166/3937 major/minor sched events.
--11604-- reg-alloc: 787 t-req-spill, 150297+6325 orig+spill uis,
--11604-- 18341 total-reg-rank
--11604-- sanity: 167 cheap, 7 expensive checks.
--11604-- ccalls: 15511 C calls, 55% saves+restores avoided (50450 bytes)
--11604-- 20825 args, avg 0.87 setup instrs each (5226 bytes)
--11604-- 0% clear the stack (46404 bytes)
--11604-- 5874 retvals, 32% of reg-reg movs avoided (3644 bytes)
you create in line 34 an alias to a location, which is not valid anymore
in line 36, because you modify bar[j].foo in line 35.
"Thomas Maier-Komor" <ma******@lpr.e-technik.no-spam.tu-muenchen.de>
wrote... hv******@cc.joensuu.fi wrote: Valgrind says
[...]
you create in line 34 an alias to a location, which is not valid anymore
in line 36, because you modify bar[j].foo in line 35.
I am just curious: did you have to quote two hundred lines just to add
your two? This thread has been closed and replies have been disabled. Please start a new discussion. Similar topics | |
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by: Deephay |
last post by:
Greetings all,
I have a program that used the realloc() function to change the
allocated size of a buffer, the program works with some arguments, but
with some other arguments, it will show me...
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by: Stewart |
last post by:
Hi there,
I would like to calculate a person's age in years (between 2 dates). I
am using the following function for this calculation (source:
http://www.mvps.org/access/datetime/date0001.htm)...
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by: JHNielson |
last post by:
I have a simple question, but I can't seem to find the answer.
I have this code to count the number of records that pass through a set of processes:
It counts how many records go through...
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by: Systemino |
last post by:
Hallo,
I have a site developed on ASP.NET 2.0. It stay on my notebook and it works with a ORACLE database (ver. 9.0). It's all right!!
Then I reached my definite site version on IIS 6.0 in...
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by: tekctrl |
last post by:
Anyone:
I have a simple MSAccess DB which was created from an old ASCII flatfile.
It works fine except for something that just started happening. I'll enter
info in a record, save the record,...
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by: eBob.com |
last post by:
I have some code which is trying to determine where text will wrap in a
custom text box (which Inherits from Control). It determines the number of
characters which will fit in the first line, but...
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by: markryde |
last post by:
Hello,
Followed here is a simplified code example of something which I
try to implement; in essence , I want to assign a value to a return
value of a method is C. I know, of course, that in this...
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by: Hystou |
last post by:
Most computers default to English, but sometimes we require a different language, especially when relocating. Forgot to request a specific language before your computer shipped? No problem! You can...
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by: Oralloy |
last post by:
Hello folks,
I am unable to find appropriate documentation on the type promotion of bit-fields when using the generalised comparison operator "<=>".
The problem is that using the GNU compilers,...
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by: jinu1996 |
last post by:
In today's digital age, having a compelling online presence is paramount for businesses aiming to thrive in a competitive landscape. At the heart of this digital strategy lies an intricately woven...
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by: tracyyun |
last post by:
Dear forum friends,
With the development of smart home technology, a variety of wireless communication protocols have appeared on the market, such as Zigbee, Z-Wave, Wi-Fi, Bluetooth, etc. Each...
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by: agi2029 |
last post by:
Let's talk about the concept of autonomous AI software engineers and no-code agents. These AIs are designed to manage the entire lifecycle of a software development project—planning, coding, testing,...
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by: isladogs |
last post by:
The next Access Europe User Group meeting will be on Wednesday 1 May 2024 starting at 18:00 UK time (6PM UTC+1) and finishing by 19:30 (7.30PM).
In this session, we are pleased to welcome a new...
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by: adsilva |
last post by:
A Windows Forms form does not have the event Unload, like VB6. What one acts like?
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by: muto222 |
last post by:
How can i add a mobile payment intergratation into php mysql website.
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by: bsmnconsultancy |
last post by:
In today's digital era, a well-designed website is crucial for businesses looking to succeed. Whether you're a small business owner or a large corporation in Toronto, having a strong online presence...
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