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一个宏命令，就可以程序崩溃时生成dump文件 - C/C++ - 清泛网 - 专注C/C++及内核技术
... if(pOrgEntry == NULL)
return FALSE;
unsigned char newJump[ 100 ];
DWORD dwOrgEntryAddr = (DWORD) pOrgEntry;
dwOrgEntryAddr += 5; // add 5 for 5 op-codes for jmp far
void *pNewFunc = &MyDummySetUnhandledExceptionFilter;
DWORD dwNewEn...
How can I use pointers in Java?
... public int value;
}
public class Binky() {
public static void main(String[] args) {
IntObj x; // Allocate the pointers x and y
IntObj y; // (but not the IntObj pointees)
x = new IntObj(); // Allocate an IntObj pointee
// and set x to...
How to ALTER multiple columns at once in SQL Server
... of the columns in your table to the same datatype (such as expanding a VARCHAR field from 50 to 100 chars), you can generate all the statements automatically using the query below. This technique is also useful if you want to replace the same character in multiple fields (such as removing \t from a...
How to only get file name with Linux 'find'?
...'
You can also use $PWD instead of . (on some systems it won't produce an extra dot in the front).
If you still got an extra dot, alternatively you can run:
find . -type f -execdir basename '{}' ';'
-execdir utility [argument ...] ;
The -execdir primary is identical to the -exec primary with the...
best practice to generate random token for forgot password
...ield in my sql database to store this token. I set $length to 64, but the string returned is 128 characters long. How can I get a string with a fixed size (here, 64 then) ?
– gordie
Feb 22 '16 at 19:12
...
URL Encode a string in jQuery for an AJAX request
...w can I either replace the space with a + , or just safely URL Encode the string?
5 Answers
...
What does -D_XOPEN_SOURCE do/mean?
...t;some number>
it tells your compiler to include definitions for some extra functions that are defined in the X/Open and POSIX standards.
This will give you some extra functionality that exists on most recent UNIX/BSD/Linux systems, but probably doesn't exist on other systems such as Windows.
...
In C/C++ what's the simplest way to reverse the order of bits in a byte?
...
This should work:
unsigned char reverse(unsigned char b) {
b = (b & 0xF0) >> 4 | (b & 0x0F) << 4;
b = (b & 0xCC) >> 2 | (b & 0x33) << 2;
b = (b & 0xAA) >> 1 | (b & 0x55) << 1;
retu...
Struct Constructor in C++?
...s.
struct blocknode
{
unsigned int bsize;
bool free;
unsigned char *bptr;
blocknode *next;
blocknode *prev;
blocknode(unsigned int sz, unsigned char *b, bool f = true,
blocknode *p = 0, blocknode *n = 0) :
bsize(sz), free(f), bptr(b), prev(p), ne...
How to use UTF-8 in resource properties with ResourceBundle
...UTF8Control extends Control {
public ResourceBundle newBundle
(String baseName, Locale locale, String format, ClassLoader loader, boolean reload)
throws IllegalAccessException, InstantiationException, IOException
{
// The below is a copy of the default implementat...