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总结const_cast、static_cast、dynamic_cast、reinterpret_cast - C/C++ - ...
...父类和子类指针或应用的互相转化;
static_cast一般是普通数据类型(如int m=static_cast<int>(3.14));
reinterpret_cast很像c的一般类型转换操作
const_cast是把cosnt或volatile属性去掉
介绍
大多程序员在学C++前都学过C，并且习惯于C风格...
MFC 中CImageList的用法 - C/C++ - 清泛网 - 专注C/C++及内核技术
...图标资源。
一、图像控件的对象结构
1 图像控件的数据成员
m_hImageList连接图像对象的控件句柄
2 图像控件的建立方法
CImageList& ImageList建立图像控件对象结构，Create初始化图像列表并绑定对象，图像控件的建立方...
“21天教你学会C++” - 创意 - 清泛网 - 专注C/C++及内核技术
...（包括缓存命中和未命中的情况），从磁盘上读取连续的数据要多长时间，定位到磁盘上的新位置又要多长时间。（答案在这里）
尝试参与到一项语言标准化工作中。可以是ANSI C++委员会，也可以是决定自己团队的编码风格到...
菜单的背景颜色 - C/C++ - 清泛网 - 专注C/C++及内核技术
...状态，
关联图片，就查看CMenu类的函数。。。
（菜单项数据(itemData)对应的分配内存，就自己释放吧）菜单 背景 颜色
Hash collision in git
...
Picking atoms on 10 Moons
An SHA-1 hash is a 40 hex character string... that's 4 bits per character times 40... 160 bits. Now we know 10 bits is approximately 1000 (1024 to be exact) meaning that there are 1 000 000 000 000 000 000 000 000 000 000 000 000 000 000 000 000 d...
Secure hash and salt for PHP passwords
...pectively).
Don't mix bcrypt and with the raw output of hash(), either use hex output or base64_encode it. (This applies to any input that may have a rogue \0 in it, which can seriously weaken security.)
Dos
Use scrypt when you can; bcrypt if you cannot.
Use PBKDF2 if you cannot use either bcryp...
Is git's semi-secret empty tree object reliable, and why is there not a symbolic name for it?
... empty tree value is formally defined in cache.h.
#define EMPTY_TREE_SHA1_HEX \
"4b825dc642cb6eb9a060e54bf8d69288fbee4904"
Since Git 2.16 (Q1 2018), it is used in a structure which is no longer tied to (only) SHA1, as seen in commit eb0ccfd:
Switch empty tree and blob lookups to use hash...
WheelView 拓展：滚轮选择框扩展，滚轮日历选择框和旋转日历扩展 · App In...
... 设置 活动日期 = 年 & "-" & 月 & "-" & 日
保存预约信息到数据库
年龄限制注册
当 注册用户按钮.被点击
调用 WheelCalendar1.打开轮盘
// 设置最小出生日期为18年前
设置 当前年份 = WheelCalendar1.当前年份
设...
Is either GET or POST more secure than the other?
...?o??`o"FyVOByY_ Supo? /'i?Oi"4
tr'9/o_7too7q?c2Pv
(note: I converted the HEX to ASCII, some of it should obviously not be displayable)
The entire HTTP conversation is encrypted, the only visible portion of communication is on the TCP/IP layer (meaning the IP address and connection port informatio...
How to develop a soft keyboard for Android? [closed]
...true; // Consume touch event
}
});
// Disable spell check (hex strings look like words to Android)
edittext.setInputType(edittext.getInputType()
| InputType.TYPE_TEXT_FLAG_NO_SUGGESTIONS);
}
}
// NOTE How can we change the background color of some keys (like the
// ...