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memory_get_peak_usage() with “real usage”
...ent is set to true the PHP DOCS say it will get the real size of memory allocated from system. If it's false it will get the memory reported by emalloc()
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Intersection of two lists in Bash
... comm requires the inputs to be sorted. In this case, ls automatically sorts its output, but other uses may need to do this: comm -12 <(some-command | sort) <(some-other-command | sort)
– Alexander Bird
Jan 15 '15 at 21:11
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Apache Proxy: No protocol handler was valid
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For me on WAMP, I installed the modules above via the menu and had to uncomment LoadModule slotmem_shm_module modules/mod_slotmem_shm.so in httpd.conf
– Flion
Dec 20 '17 at 19:55
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How to terminate the script in JavaScript?
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JavaScript equivalent for PHP's die. BTW it just calls exit() (thanks splattne):
function exit( status ) {
// http://kevin.vanzonneveld.net
// + original by: Brett Zamir (http://brettz9.blogspot.com)
// + input by: Paul
// + bugfixed by: Hyam Singer...
PHP去除字符串中的最后一个字符 - 更多技术 - 清泛网 - 专注C/C++及内核技术
PHP去除字符串中的最后一个字符最常见的方法是substr($str, strlen($str) - 1),但使用rtrim($str, , )更优雅。
<?php //PHP去除字符串中的最后一个字符
$str="aaaa,bbb,ccc,ddd,eee,";
echo rtrim($str,','); //第一种方法 trim($str,$chsrlist)去除两边的
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【解决】php报错:Can not connect to MySQL server - 更多技术 - 清泛网 -...
【解决】php报错:Can not connect to MySQL server遇到这种情况,如果是mysql安装问题,可以通过命名测试一下:mysql -uroot -p如果用户名密码验证能够正常连接,但php报错的话,那大概率是因为你访问的库没有被创建,创建一下就OK了。...
phpcms后台表单多选统计不准确的解决方法 - 更多技术 - 清泛网 - 专注C/C++及内核技术
phpcms后台表单多选统计不准确的解决方法这是由于逻辑有误导致,原逻辑为值与选项值相等才统计一次,但针对多选肯定就不适用了,比如选项1,选项2算两项而不是判断失败不统计。正确...这是由于逻辑有误导致,原逻辑为值与...
String concatenation vs. string substitution in Python
...catenation is (significantly) faster according to my machine. But stylistically, I'm willing to pay the price of substitution if performance is not critical. Well, and if I need formatting, there's no need to even ask the question... there's no option but to use interpolation/templating.
>>&g...
How can I put strings in an array, split by new line?
...ength=8)
Note that you have to use a double-quoted string, so \n is actually interpreted as a line-break.
(See that manual page for more details.)
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get all keys set in memcached
How can I get all the keys set in my memcached instance(s)?
6 Answers
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