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How does this milw0rm heap spraying exploit work?
...code. unscape will be used to put the sequence of bytes represented of the string in the spray variable. It's valid x86 code that fills a large chunk of the heap and jumps to the start of shellcode. The reason for the ending condition is string length limitations of the scripting engine. You can't h...
How can I programmatically get the MAC address of an iphone
... to use it
InitAddresses();
GetIPAddresses();
GetHWAddresses();
int i;
NSString *deviceIP = nil;
for (i=0; i<MAXADDRS; ++i)
{
static unsigned long localHost = 0x7F000001; // 127.0.0.1
unsigned long theAddr;
theAddr = ip_addrs[i];
if (theAddr == 0) break;
if (theAddr...
What's the point of malloc(0)?
...ht_be_zero) perhaps could have their uses, although again you have to take extra care not to treat a NULL return as a failure if the value is 0, but a 0 size is supposed to be OK.
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Why does Windows64 use a different calling convention from all other OSes on x86-64?
...arg[0] and arg[1] has some advantages. See cHao's comment.
?SI and ?DI are string instruction source / destination operands, and as cHao mentioned, their use as argument registers means that with the AMD64 UN*X calling conventions, the simplest possible strcpy() function, for example, only consists ...
“:” (colon) in C struct - what does it mean? [duplicate]
... struct
{
short a : 4;
short b : 3;
} test2;
struct
{
char a : 4;
char b : 3;
} test3;
struct
{
char a : 4;
short b : 3;
} test4;
printf("test1: %d\ntest2: %d\ntest3: %d\ntest4: %d\n", sizeof(test1), sizeof(test2), sizeof(test3), sizeof(test4));
test...
SET NAMES utf8 in MySQL?
...fault talks latin1
your hole app is in utf8
connection is made without any extra (so: latin1) (no SET NAMES utf8 ..., no set_charset() method/function)
Store and read data is no problem as long mysql can handle the characters.
if you look in the db you will already see there is crap in it (e.g.us...
How to remove new line characters from a string?
I have a string in the following format
11 Answers
11
...
Unique fields that allow nulls in Django
...here is that the normalized "blank" value for a form CharField is an empty string, not None. So if you leave the field blank, you get an empty string, not NULL, stored in the DB. Empty strings are equal to empty strings for uniqueness checks, under both Django and database rules.
You can force the...
How to print VARCHAR(MAX) using Print Statement?
...
I used print(substring(@script, @Counter * 8000, (@Counter + 1) * 8000)) to print my script.
– Lukas Thum
Oct 9 '18 at 12:24
...
What is the best collation to use for MySQL with PHP? [closed]
...QL (most currently distributed versions) where functions always return the string using utf8_general_ci, causing problems if you're using another collation for your strings - see bugs.mysql.com/bug.php?id=24690
– El Yobo
Feb 9 '11 at 10:49
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