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Using crontab to execute script every minute and another every 24 hours [closed]
I need a crontab syntax which should execute a specific PHP script /var/www/html/a.php every minute. The execution on every minute must start at 00:00. The other task which must execute a script at 00:00 /var/www/html/reset.php (once every 24 hours).
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How to drop unique in MySQL?
...swered Oct 14 '09 at 8:12
Wael DalloulWael Dalloul
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How to add elements to an empty array in PHP?
...ration, but it also doesn't impose the performance overhead of a function call, which array_push() would. Edit: But, great answer. Effectively the same, and majority of uses won't even notice a performance difference, but helps to know those nuances.
– Mattygabe
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mfc 画圆角矩形 - C/C++ - 清泛网 - 专注C/C++及内核技术
...大家自行调整下。
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《MFC采用双缓存解决闪屏问题(使用了双缓存还是闪屏的)》
mfc 画图 圆角矩形
The operation is list empty? cannot accept the arguments: , ["&qu...
...溃。
多加一个判断（文本.是否为空），可以避免这类问题：
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{:8_389:}The arguments,[“xxx“], [false], [0]
想试着做一个间歇运动的计时器 - App应用开发 - 清泛IT社区，为创新赋能！
... 2025-05-08 23:37 编辑
用deepseek生成了代码 使用AI2 遇到了问题
to formatTime seconds
set minutes to (seconds / 60)
set secs to (seconds - (minutes * 60))
return join strings( padZero(minutes), ":", padZero(secs) )
to padZero num
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Modbus硬件控制01——什么是Modbus - 创客硬件开发 - 清泛IT社区，为创新赋能！
...再回复；如果不一样，说明你这个数据在传输的时候出了问题，数据不对的，所以就抛弃了。
2、实战只谈理论大家可能不太明白，下面举一个例子。Modbus-RTU协议一般我们用的最多功能码就是03和06，大部分都是用modbus来查询传...
How do you use the “WITH” clause in MySQL?
I am converting all my SQL Server queries to MySQL and my queries that have WITH in them are all failing. Here's an example:
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Sorting an IList in C#
...ting problem today. We have a WCF web service that returns an IList. Not really a big deal until I wanted to sort it.
15 An...
How to set HTTP header to UTF-8 using PHP which is valid in W3C validator?
...HTTP header:
header('Content-Type: text/html; charset=utf-8');
Note to call this function before any output has been sent to the client. Otherwise the header has been sent too and you obviously can’t change it any more. You can check that with headers_sent. See the manual page of header for mor...