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How to open, read, and write from serial port in C?
...ed);
tty.c_cflag = (tty.c_cflag & ~CSIZE) | CS8; // 8-bit chars
// disable IGNBRK for mismatched speed tests; otherwise receive break
// as \000 chars
tty.c_iflag &= ~IGNBRK; // disable break processing
tty.c_lflag = 0; // n...
print call stack in C or C++
...oid my_func_1(int i) {
(void)i;
my_func_2();
}
int main(int argc, char **argv) {
long long unsigned int n;
if (argc > 1) {
n = strtoul(argv[1], NULL, 0);
} else {
n = 1;
}
for (long long unsigned int i = 0; i < n; ++i) {
my_func_1(1); // l...
Android Replace “…” with ellipsis character
...Eclipse then you can always do the following:
Right click on the warning
Select "Quick Fix" (shortcut is Ctrl + 1 by default)
Select "Replace with suggested characters"
This should replace your three dots with the proper Unicode character for ellipsis.
Just a note: The latest version of ADT (21...
The tilde operator in C
... operator. It inverts the bits of the operand.
For example, if you have:
char b = 0xF0; /* Bits are 11110000 */
char c = ~b; /* Bits are 00001111 */
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Is it possible to declare two variables of different types in a for loop?
...ound (not that i'd actually use it unless forced to):
for(struct { int a; char b; } s = { 0, 'a' } ; s.a < 5 ; ++s.a)
{
std::cout << s.a << " " << s.b << std::endl;
}
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c/c++如何获取CPU的序列号？ - C/C++ - 清泛网 - 专注C/C++及内核技术
...0;
unsigned long st2 = 0;
unsigned long s1,s2;
unsigned char vendor_id[]="------------";
char CPUSERIAL[20];
memset(CPUSERIAL,0,20);
__asm{
xor eax,eax
cpuid
mov dword ptr vendor_id,ebx
mov dword ptr vendor_id[+4],edx
mov dword p...
UINavigationBar custom back button without title
...se that you have a navigation controller going to ViewA from ViewB. In IB, select ViewA's navigation bar, you should see these options: Title, Prompt and Back Button.
ViewA navigate bar options
The trick is choose your destiny view controller back button title (ViewB) in the options of previous ...
Stripping out non-numeric characters in string
Hey Im looking to strip out non-numeric characters in a string in ASP.NET C#
11 Answers
...
Why are Oracle table/column/index names limited to 30 characters?
...ine of code that goes something like
l_table_name VARCHAR2(30);
BEGIN
SELECT table_name
INTO l_table_name
FROM dba_tables
WHERE ...
to suddenly break because the DBA 15 years ago used VARCHAR2(30) rather than DBA_TABLES.TABLE_NAME%TYPE in the script would cause massive revolt. I w...
What does the Q_OBJECT macro do? Why do all Qt objects need this macro?
...ual const QMetaObject *metaObject() const; virtual void *qt_metacast(const char *); virtual int qt_metacall(QMetaObject::Call, int, void **); static inline QString tr(const char *s, cons
t char *c = nullptr, int n = -1) { return staticMetaObject.tr(s, c, n); } __attribute__ ((__deprecated__)) static...