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浮点数在内存中的表示 - C/C++ - 清泛网移动版 - 专注C++内核技术
...g.h>
#include <limits>
int _tmain(int argc, _TCHAR* argv[])
{
float f1 = FLT_MIN;
printf("%f\n", f1);
f1 = FLT_MAX;
printf("%f\n", f1);
// 0 10000101 11110110000000000000000
void * p = (void *)0x42fb0000;
memcpy(&f1, &p, 4);
printf("%f\n", f1);
// 1 11111111 00000000000000...
浮点数在内存中的表示 - C/C++ - 清泛网 - 专注C/C++及内核技术
...g.h>
#include <limits>
int _tmain(int argc, _TCHAR* argv[])
{
float f1 = FLT_MIN;
printf("%f\n", f1);
f1 = FLT_MAX;
printf("%f\n", f1);
// 0 10000101 11110110000000000000000
void * p = (void *)0x42fb0000;
memcpy(&f1, &p, 4);
printf("%f\n", f1);
// 1 11111111 00000000000000...
浮点数在内存中的表示 - C/C++ - 清泛网移动版 - 专注C/C++及内核技术
...g.h>
#include <limits>
int _tmain(int argc, _TCHAR* argv[])
{
float f1 = FLT_MIN;
printf("%f\n", f1);
f1 = FLT_MAX;
printf("%f\n", f1);
// 0 10000101 11110110000000000000000
void * p = (void *)0x42fb0000;
memcpy(&f1, &p, 4);
printf("%f\n", f1);
// 1 11111111 00000000000000...
浮点数在内存中的表示 - C/C++ - 清泛网 - 专注C/C++及内核技术
...g.h>
#include <limits>
int _tmain(int argc, _TCHAR* argv[])
{
float f1 = FLT_MIN;
printf("%f\n", f1);
f1 = FLT_MAX;
printf("%f\n", f1);
// 0 10000101 11110110000000000000000
void * p = (void *)0x42fb0000;
memcpy(&f1, &p, 4);
printf("%f\n", f1);
// 1 11111111 00000000000000...
How can I get zoom functionality for images?
... common way to show a big image and enable the user to zoom in and out and pan the image?
13 Answers
...
How to create an alias for a command in Vim?
...
Maybe you would like to map one of your function keys (F1..F12) to :w ? Then put this into your .vimrc:
noremap <f1> :w<return>
inoremap <f1> <c-o>:w<return>
(ctrl-o in insert mode switches temporarily to normal mode).
...
static function in C
... translation units, which helps provide encapsulation.
helper_file.c
int f1(int); /* prototype */
static int f2(int); /* prototype */
int f1(int foo) {
return f2(foo); /* ok, f2 is in the same translation unit */
/* (basically same .c file) as f1 */
}
int f...
SQL SELECT WHERE field contains words
...ECT DISTINCT
T.*
FROM
MyTable T
INNER JOIN @FilterTable F1 ON T.Column1 LIKE '%' + F1.Data + '%'
LEFT JOIN @FilterTable F2 ON T.Column1 NOT LIKE '%' + F2.Data + '%'
WHERE
F2.Data IS NULL
shar...
Declare and initialize a Dictionary in Typescript
...r persons: { [id: string] : IPerson; } = {};
persons["p1"] = { firstName: "F1", lastName: "L1" };
persons["p2"] = { firstName: "F2" }; // will result in an error
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...
What is an abstract class in PHP?
...est1() {
echo 'Hello World';
}
abstract protected function f1();
abstract public function f2();
protected function test2(){
echo 'Hello World test';
}
}
class B extends A {
public $a = 'India';
public function f1() {
echo "F1 Method Call";
}
...