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MFC Grid control 2.27 - C/C++ - 清泛网 - 专注C/C++及内核技术
...aste, and Ctrl-A for "Select All"
In place editing of cell contents. If a character key is pressed while a cell has focus, editing will start on that cell, and the arrow keys will allow navigation to other keys. If the current focus cell is clicked on, editing will start and the arrow keys will mov...
MFC Grid control 2.27 - C/C++ - 清泛网 - 专注C/C++及内核技术
...aste, and Ctrl-A for "Select All"
In place editing of cell contents. If a character key is pressed while a cell has focus, editing will start on that cell, and the arrow keys will allow navigation to other keys. If the current focus cell is clicked on, editing will start and the arrow keys will mov...
MFC Grid control 2.27 - C/C++ - 清泛网移动版 - 专注C/C++及内核技术
...aste, and Ctrl-A for "Select All"
In place editing of cell contents. If a character key is pressed while a cell has focus, editing will start on that cell, and the arrow keys will allow navigation to other keys. If the current focus cell is clicked on, editing will start and the arrow keys will mov...
mmap() vs. reading blocks
... way faster. You might write a simple benchmark to prove it to yourself:
char data[0x1000];
std::ifstream in("file.bin");
while (in)
{
in.read(data, 0x1000);
// do something with data
}
versus:
const int file_size=something;
const int page_size=0x1000;
int off=0;
void *data;
int fd = open...
What's so bad about Template Haskell?
... of type Exp, but you don't know if it is an expression that represents a [Char] or a (a -> (forall b . b -> c)) or whatever. TH would be more reliable if one could express that a function may only generate expressions of a certain type, or only function declarations, or only data-constructor-...
Polymorphism in C++
...st std::string& x);
f("hello"); // invokes `std::string::string(const char*)`
Implications of compiler-provided overloads, conversions and coercion
Consider:
void f()
{
typedef int Amount;
Amount x = 13;
x /= 2;
std::cout << x * 1.1;
}
If we want the amount x to be t...
The case against checked exceptions
...y a method signature.
Here fopen requires that you pass it a string (or a char* in the case of C). If you give it something else you get a compile-time error. You didn't follow the protocol - you're not using the API properly.
In some (obscure) languages the return type is part of the protocol too...
REDHAT 6.4 X64下ORACLE 11GR2静默安装 - 数据库(内核) - 清泛网 - 专注C/C++及内核技术
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# Specify the Starter Database character set.
#非常关键的一步，选择字符集。错误的字符集会给后期带来无尽的麻烦，所以一定要确认好字符集。通常我们选择的是ZHS16GBK, 所谓的国标16位简体中文库
# It ...
How do I safely pass objects, especially STL objects, to and from a DLL?
...iler, not by any standard (all the standard guarantees is that 1 == sizeof(char) <= sizeof(short) <= sizeof(int) <= sizeof(long) <= sizeof(long long)), it's a good idea to use fixed-size datatypes to ensure datatype size compatibility where possible.
Heap issues
If your DLL links to a ...
How to run a program without an operating system?
...6_64 -hda main.img
Outcome:
Note that even without doing anything, a few characters are already printed on the screen. Those are printed by the firmware, and serve to identify the system.
And on the T430 we just get a blank screen with a blinking cursor:
main.img contains the following:
\364 in ...