大约有 15,467 项符合查询结果（耗时：0.0276秒） [XML]
如何获取控件的值？ - C++ UI - 清泛IT社区，为创新赋能！
最简单直观的：
CString str;
GetDlgItemText(IDC_EDIT_TEST, str);
int d=atoi(str.GetBuffer(0));
更优雅的：
.h：int m_editTest;
.cpp：
void CxxDlg::DoDataExchange(CDataExchange* pDX)
{
DDX_Text(pDX, IDC_EDIT_TEST, m_editTest);
}
这样就绑定了控件和一...
C++ SpinLock 自旋锁的代码实现（全网最简略的方式） - C/C++ - 清泛网 - ...
...:f_(ATOMIC_FLAG_INIT) {}
virtual ~SpinLock() {}
void lock() { while(f_.test_and_set(memory_order_acquire)); }
void unlock() { f_.clear(memory_order_release); }
};
2、有退避策略的自旋锁，尝试一定次数(65535)失败后让出线程调度权：
class SpinLockWithYield {
ato...
App Inventor 2 实现上传文件到服务器全方案总结 · App Inventor 2 中文网
...制流保存为图片
img = request.get_data()
with open("test.png", "wb") as f:
f.write(img)
return 0
# 后面的路径可以自己定义
api.add_resource(receive_pic,'/test')
if __name__ == '__main__':
app_port = 8081
app.run(host="0.0.0.0", po...
使用模拟器构建应用程序 · App Inventor 2 中文网
...ntor includes an emulator for the phone. The emulator lets you develop and test apps using a virtual phone instead of a real phone. Instead of connecting a phone to the USB port, just start the emulator program. When you click Connect to Phone in the Blocks Editor, your app will appear in the emulat...
App Inventor 2 AsciiConversion 拓展，ASCII编码与解码，Ascii码转换 · App Inventor 2 中文网
...
.aix 拓展下载：
AsciiConversion.aix
demo程序下载：
test_AsciiConversion.aia
此扩展允许用户将 Ascii 代码(列表)转换为相应的文本，也可以将指定的字符转换为相应的 Ascii 代码。
此扩展提供 3个 函数：
AsciiCode: 给出字符，返...
“当屏幕1.关闭其他屏幕时”这个事件是怎么触发的？ - App Inventor 2 中文...
...，如Screen1的事件代码如下：
当Screen1跳转到屏幕"test"时，屏幕"test"调用“关闭屏幕并返回值”方法后，上面的事件就会触发，代码如下：
事件触发后的测试结果，Screen1打印出了关闭前的屏幕名称及关闭时...
What are the correct link options to use std::thread in GCC under linux?
Hi I am trying to use std::thread with G++. Here is my test code
5 Answers
5
...
Should programmers use SSIS, and if so, why? [closed]
...nd maintaining functionality in a VS solution is so very much easier. Unit testing with VS is easy. All I need to do is to check in the source in Subversion, and verify how it loaded. Unit testing SSIS packages is very involved to put it mildly.
Besides, there were situations when SSIS was silently...
How to calculate md5 hash of a file using javascript
... HTML5 FileAPI, so be sure to check for it.
There is a full example in the test folder.
https://github.com/satazor/SparkMD5
share
|
improve this answer
|
follow
...
How can I count text lines inside an DOM element? Can I?
...e padding and inter-line spacing into account.
EDIT
Fully self-contained test, explicitly setting line-height:
function countLines() {
var el = document.getElementById('content');
var divHeight = el.offsetHeight
var lineHeight = parseInt(el.style.lineHeight);
var lines = divHe...