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截图软件截图区域以外背景变灰的实现--AlphaBlend - C/C++ - 清泛网 - 专注...
...--------画黑色背景----------------
COLORREF bgColor = RGB(0, 0, 0);
char alpha = (255 * 30) / 100;
int screenX = GetSystemMetrics(SM_CXSCREEN);
int screenY = GetSystemMetrics(SM_CYSCREEN);
CDC memdc;
memdc.CreateCompatibleDC(&dc);
CBitmap bmp, *pOldBitmap;
bmp.CreateCompatibleBitmap(&...
How does HTTP file upload work?
...undary string that is passed as part of the Content-Type header field is 2 characters shorter than the boundary strings for the individual parts below. I've just spent an hour of trying to figure out why my uploader doesn't work because it's quite hard to notice that there are actually only 4 dashes...
Regular Expression to match only alphabetic characters
...et a regular expression which will match a string that only has alphabetic characters, and that alone.
5 Answers
...
How to clear stringstream? [duplicate]
... efficient this way, since you avoid calling string constructor on a const char *
– Moha the almighty camel
Sep 7 '15 at 13:05
2
...
Linux automake自动编译全攻略 - C/C++ - 清泛网 - 专注C/C++及内核技术
...st.c:
#include <stdio.h>
#include "lib/calc.h"
int main(int argc, char** argv)
{
int sum = add(1, 2);
printf("sum:%d\n", sum);
return 0;
}
编译及执行结果:
执行:
代码点此下载:automake.zip
Linux automake 自动编...
Linux automake自动编译全攻略 - 脚本技术 - 清泛IT社区,为创新赋能!
...nclude <stdio.h>
#include "lib/calc.h"
int main(int argc, char** argv)
{
int sum = add(1, 2);
printf("sum:%d\n", sum);
r...
What exactly is a C pointer if not a memory address?
...es after p (assuming p + 1 is still a valid pointer). If q is a pointer to char that points to the same address as p (char *q = p;), then q + 1 is not the same address as p + 1. If you think of pointer as addresses, it is not very intuitive that the “next address” is different for different poin...
Loop code for each file in a directory [duplicate]
...returns the type of the file. Thereby possible results would be file, dir, char, block, .... You can use something like mime_content_type() if you want to know the content type of the file.
– vallentin
Jul 24 '15 at 9:08
...
Press any key to continue [duplicate]
...gument(s): "The method or operation is not implemented." At C:\file.ps1:26 char:5 + $null = $Host.UI.RawUI.ReadKey('NoEcho,IncludeKeyDown'); + ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + CategoryInfo : NotSpecified: (:) [], MethodInvocationException + FullyQual...
使用NPAPI编写浏览器插件的源码实例(windows 7/linux) - C/C++ - 清泛网 - ...
...tp://code.google.com/p/npapi-headers/
plugin_exec.c中的一些函数
char* NP_GetMIMEDescription()
return的字符串的格式必须是:"text/html:htm,html:HTML Document;application/x-texinfo:tex,texi,texinfo:TexInfo Document;"
详情请看[3]
NPError NP_GetValue (void *future,
NPP...