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BLE(一)概述&工作流程&常见问题 - 创客硬件开发 - 清泛IT社区,...
...与前面几代不同的是,蓝牙4.0版引入的BLE协议更注重功耗问题,而非通信速率的提升。这也使得低功耗蓝牙更加节能,能使设备的电池维持很长时间,因此在很多可穿戴设备中得到了应用。
0x2 BLE工作流程0x21 工作过程蓝牙适用...
Purpose of memory alignment
...y subsystem throughput tightly bound to the execution unit throughput (aka cpu-bound); this is all reminiscent of how PIO mode was surpassed by DMA for many of the same reasons in hard drives.
The CPU always reads at its word size (4 bytes on a 32-bit processor), so when you do an unaligned address...
What are the main uses of yield(), and how does it differ from join() and interrupt()?
...iority) will get a chance to run before the yielded thread is next
given CPU time. When it is eventually re-scheduled, it will come back
with a full full quantum, but doesn't "carry over" any of the
remaining quantum from the time of yielding. This behaviour is a
little different from a non-...
How to find the Number of CPU Cores via .NET/C#?
Is there a way via .NET/C# to find out the number of CPU cores?
11 Answers
11
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LVN_ITEMCHANGED通知会响应多次的问题 - C/C++ - 清泛网 - 专注C/C++及内核技术
LVN_ITEMCHANGED通知会响应多次的问题CListCtrl LVN_ITEMCHANGED通知会响应多次(三次)的问题及替代方案。
#define LVIF_STATE 0x0008
#define LVIS_FOCUSED 0x0001
#define LVIS_SELECTED 0x0002
// 在CListCtrl派生类中响应LVN_ITEMCHANG...
C语言面试那些事儿──一道指针与数组问题 - C/C++ - 清泛网 - 专注C/C++及内核技术
C语言面试那些事儿──一道指针与数组问题首先看如下代码:int main(int argc, char** argv){ int a[5] = {1,2,3,4,5}; int* ptr = (int*)(&a + 1); ...首先看如下代码:
int main(int argc, char** argv)
{
int a[5] = {1,2,3,4,5};
int* ptr = (int*)(&a + 1);
...
Error: must call SetScrollSizes() or SetScaleToFitSize()问题的解决 - C...
Error: must call SetScrollSizes() or SetScaleToFitSize()问题的解决我的程序原来是基于CView的,但后来为了支持滚动功能所以按照网上的方法,手动把CView改为CScrollView(一些相应的处理都改了),但是程序...我的程序原来是基于CView的,但...
Picture Control(图片控件)中静态显示位图,解决位图不显示的问题 - C/C++ ...
...cture Control(图片控件)中静态显示位图,解决位图不显示的问题Picture Control(图片控件)中静态显示位图,如果出现不显示的问题,可以再手动调一下ShowWindow方法,一般就OK了。Picture Control(图片控件)中静态显示位图,代码如下:
v...
过去十年你吃的月饼有什么问题 - 资讯 - 清泛网 - 专注C/C++及内核技术
过去十年你吃的月饼有什么问题大数据告诉你,过去十年你吃的月饼有什么问题。
月饼 问题
ucenter应用之间cookietime不能传送问题解决 - 更多技术 - 清泛网 - 专注C/C++及内核技术
ucenter应用之间cookietime不能传送问题解决前段时间在应用uchome、discuz、cyask等进行二次开发时遇到了在关闭浏览器时不能同步退出的问题,即ucenter默认是在同步登陆的时候其他的应...前段时间在应用uchome、discuz、cyask等进行二次...
