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How to create cron job using PHP?
...by url on your browser.
its very simple if you run curl
while(true)
{
sleep(60); // sleep for 60 sec = 1 minute
$s = curl_init();
curl_setopt($s,CURLOPT_URL, $your_php_url_to_cron);
curl_exec($s);
curl_getinfo($s,CURLINFO_HTTP_CODE);
curl_close($s);
}
...
What does a lazy val do?
... it is not sure if it is later used.
scala> class X { val x = { Thread.sleep(2000); 15 } }
defined class X
scala> class Y { lazy val y = { Thread.sleep(2000); 13 } }
defined class Y
scala> new X
res5: X = X@262505b7 // we have to wait two seconds to the result
scala> new Y
res6: Y = ...
C语言结构体里的成员数组和指针 - c++1y / stl - 清泛IT社区，为创新赋能！
...危险玩法——相对于C++来说，C++编译器帮你管了继承和虚函数表，语义也清楚了很多）指针和数组的差别有了上面的基础后，你把源代码中的struct str结构体中的char s[0];改成char *s;试试看，你会发现，在13行if条件的时候，程序因...
Creating the Singleton design pattern in PHP5
...e instance.
*/
private function __clone() {}
/**
* Make sleep magic method private, so nobody can serialize instance.
*/
private function __sleep() {}
/**
* Make wakeup magic method private, so nobody can unserialize instance.
*/
private function __wake...
live output from subprocess command
...ocess.poll() is None:
sys.stdout.write(reader.read())
time.sleep(0.5)
# Read the remaining
sys.stdout.write(reader.read())
This way you will have the data written in the test.log as well as on the standard output.
The only advantage of the file approach is that your code ...
scheduleAtFixedRate vs scheduleWithFixedDelay
...
Try adding a Thread.sleep(1000); call within your run() method... Basically it's the difference between scheduling something based on when the previous execution ends and when it (logically) starts.
For example, suppose I schedule an alarm to g...
Creating a daemon in Linux
...nize.c
* This example daemonizes a process, writes a few log messages,
* sleeps 20 seconds and terminates afterwards.
*/
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <signal.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sy...
Logstash实践: 分布式系统的日志监控 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...a/log/logstash/all.log
我们来测试一下，切到Shipper主机上，模拟日志产生：
echo "Hello World" >> /data/log/php/php_fetal.log
再切换到Indexer主机上，如果出现：10.140.46.134 B[1] Hello World，说明Logstash部署成功。
3.6. 日志着色脚本
在tail -f...
.NET Global exception handler in console application
...h();
Console.WriteLine("{0}", 24 / i);
System.Threading.Thread.Sleep(1000);
if (exiting) return;
}
}
You can receive notification of when another thread throws an exception to perform some clean up before the application exits, but as far as I can tell, you cannot, from a cons...
How to set a timer in android
...red a wakeLock and hence you are sure that the phone shall not go into the sleep state. If phone does go to the sleep state then sendMessageDelayed as well as sendMessageAtTime will not work. Hence in that scenario AlarmManager would be reliable choice.
– crazyaboutliv
...