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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...
SimpleTest vs PHPunit
...here again even so I already did it on some other (newer) questions.
I'm really really baffled that SimpleTest still is considered an alternative to phpunit. Maybe i'm just misinformed but as far as I've seen:
PHPUnit is the standard; most frameworks use it (like Zend Framework (1&2), Cake, Aga...
How do I get the current date and time in PHP?
...e time would go by your server time. An easy workaround for this is to manually set the timezone by using date_default_timezone_set before the date() or time() functions are called to.
I'm in Melbourne, Australia so I have something like this:
date_default_timezone_set('Australia/Melbourne');
Or...
Find nearest latitude/longitude with an SQL query
...
Additionally, it does not take into account the curvature of the earth. This would not be an issue for short search radii. Otherwise Evan's and Igor's answers are more complete.
– John Vance
N...
PHP parse/syntax errors; and how to solve them
...as T_STRING explains which symbol the parser/tokenizer couldn't process finally. This isn't necessarily the cause of the syntax mistake, however.
It's important to look into previous code lines as well. Often syntax errors are just mishaps that happened earlier. The error line number is just where ...
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);
...
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
重装系统后硬盘不引导了怎么办？ - 更多技术 - 清泛网 - 专注C/C++及内核技术
...冷静思考了一下，能用U盘启动到XP桌面，硬件应该是没有问题的！WINDOWS系统也应该是没有问题的！最有可能出现的问题是硬盘的主引导（MBR）扇区，一定有问题！因为U盘引导后，菜单上选择从硬盘启动可以正常进入硬盘上的XP...
宽度默认980px？手机浏览器及pc浏览器width自适应问题 - 更多技术 - 清泛网...
宽度默认980px？手机浏览器及pc浏览器width自适应问题Tips: 调试 iPad 或 iPhone 可在设置中启动调试模式，在 Mac 中的 Safari 浏览器 同样开启开发者模式后，进行联机调试。功能彪悍...Tips: 调试 iPad 或 iPhone 可在设置中启动调试模式，...