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Linux日志切分工具：Logrotate - 更多技术 - 清泛网 - 专注C/C++及内核技术
...of backlogs
rotate 4
# create new (empty) log files after rotating old ones
create
# uncomment this if you want your log files compressed
#compress
# RPM packages drop log rotation information into this directory
include /etc/logrotate.d
# no packages own wtmp -- we'll rotate them he...
HTTPKeepAlive，开启还是关闭 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...ginx accepted 66542336512 connections, handled 66542336512 connections (no one was closed just it was accepted), and handles 67713042963 requests
Reading: nginx reads request header
Writing: nginx reads request body, processes request, or writes response to a client
Waiting: keep-alive connection...
Phpcms v9 实现首页|列表页|内容页点击量调用的代码 - 更多技术 - 清泛网 -...
...b获取：
{php $db = pc_base::load_model('hits_model'); $_r = $db->get_one(array('hitsid'=>'c-'.$modelid.'-'.$r[id])); $views = $_r[views]; }
<td class="hit" align="center">{$views}</td>
参数根据自己的实际情况酌情调整。（注$modelid默认都有值）Phpcms 点击量
MFC日历控件完全自绘MyCalendar Control - 源码下载 - 清泛网 - 专注C/C++及内核技术
...Gregorian calendar was established) to year 4099.
Background
This is a clone of the MFC CDateTimeCtrl with some advantages.
Using the code
To use the source provided, one must include the header files MyCalendar.h and create a CMyCalendar object like in the example below:
Hide Copy Code
#i...
C++简练易用的线程池(threadpool)及上下文隔离的无锁线程池(isolated_threa...
...X_NUM)
addThread(1);
#endif // !THREADPOOL_AUTO_GROW
_task_cv.notify_one(); // 唤醒一个线程执行
return future;
}
//......
// 执行任务
while (_run)
{
Task task; // 获取一个待执行的 task
{
// unique_lock 相比 lock_guard 的好处是：可以随时 un...
C++ protobuf使用入门实例 - C/C++ - 清泛网 - 专注C/C++及内核技术
...uct value, or a
// list of values. A producer of value is expected to set one of that
// variants, absence of any variant indicates an error.
//
// The JSON representation for `Value` is JSON value.
message TestValue {
// The kind of value.
oneof kind {
// Represents a null value.
...
[es6] import, export, default cheatsheet - 更多技术 - 清泛网 - 专注C/C++及内核技术
...are(11)); // 121
console.log(lib.diag(4, 3)); // 5
2. Default exports (one per module)
//------ myFunc.js ------
export default function () { ... };
//------ main1.js ------
import myFunc from 'myFunc';
myFunc();
3. Mixed named & default exports
//------ underscore.js ------
expo...
使用位置传感器 · App Inventor 2 中文网
...r David Wolber at The University of San Francisco.
The LocationSensor component can determine the phone’s latitude and longitude as well as a street address. You can use it to share your location with others, record “breadcrumbs” on a journey or treasure hunt, or as a way to take roll in clas...
MQTT 之保留消息（Retained Messages） - 创客硬件开发 - 清泛IT社区，为创新赋能！
...ill receive the message immediately after subscribing. For each topic only one retained message will be stored by the broker.保留消息作用 可以让新订阅的客户端得到发布方的最新的状态值，而不必要等待发送。A retained message makes sense, when newly connected su...
【iOS】有关苹果iOS App的一些进展、BluetoothLE蓝牙拓展等 - App Inventor...
...可行。
We're working on porting the BluetoothLE extension as a component on iOS. Because of the constraints that Apple puts on apps, we cannot use the extensions approach like we do on Android.
Which particular model of Arduino are you using? One challenge here is that Apple has restricted ac...