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* @param int $dec 显示类型 * @return int*/publicfunctionbyte_format($size,$dec= 2) {$a=array("B", "KB", "MB", "GB", "TB", "PB", "EB", "ZB", "YB");$pos= 0;while($size>= 1024) {$size/= 1024;$pos++; }returnround($size,$dec) . " " .$a[$pos]; }/** * ...
* - mb_strrichr - Finds the last occurrence of a character in a string within another, case insensitive * - mb_strripos - Finds position of last occurrence of a string within another, case insensitive * - mb_strstr - Finds first occurrence of a string within another * - mb_strwidth -...
latin1编码的,一个字符占用1个字节,gbk编码的,一个字符占用2个字节,utf8编码的,一个字符占用3个字节。 utf8mb4是一个字符占4个字节 5.使用explain语句查询到的key_len字段,可以适用于上面的计算规则,可以看到查询是否使用到了联合索引 6.mysql优化器会对条件中的 and的前后顺序根据多列索引顺序自动纠正过来 =...
intset-entries 512 zset-max-ziplist-entries 128 zset-max-ziplist-value 64 hll-sparse-max-bytes 3000 activerehashing yes client-output-buffer-limit normal 0 0 0 client-output-buffer-limit slave 256mb 64mb 60 client-output-buffer-limit pubsub 32mb 8mb 60 hz 10 aof-rewrite-incremental-fsync ...
} elseif(function_exists('mb_convert_encoding')) { $out = mb_convert_encoding($str, $out_charset, $in_charset); } } if($out == '') { require_once libfile('class/chinese'); $chinese = new Chinese($in_charset, $out_charset, true); ...
回到刚毕业的时候,就算变天了你还会觉得很兴奋,百度一下“行业寒冬”,你就就会发现2014、2015、2016、2017、2018年年都寒冬。哪年不过冬了?哪年各位的薪资没涨的?哪年各位生活质量有下降的? === 2018年12月11日 记录: postfix配置测试smtp 修改/etc/postfix/transport 然后执行 postmap /etc/postfix/transport...
EEsUNlDjFJFisgktT1qypdzYM8AE2JXAS80CmJTiMMluTHRGn1G%0ApjicCzFcIWihOJ+bqPFdIJSHJWg4q2WT4mP7caaMw9b41vNkqrhK+xOKnCS2%0Ahv+mSMjt539bJEpMUeeMUQvEyTEQa0PMlOckRKltMJsiESem30amiFfmbwOx%0An1ASEaLmxyZkysLjNfayPHl/vdgCkZgbo8GV+aLESA3PDj5Plb8RxE1CCTup%0An0coHxPdX4tAGBqmrh27JJQkaerF2qX5...
if (substr($destination, mb_strlen(DIRECTORY_SEPARATOR, "UTF-8") * -1) != DIRECTORY_SEPARATOR) { $destination .= DIRECTORY_SEPARATOR; } if (substr($subdir, -1) != "/") { $subdir .= "/"; } // Extract files for ($i = 0; $i < $this->numFiles; $i++) { $file...
(a.message));b.push('pos='+Q('Line: '+a.lineNumber+', Col: '+a.columnNumber));b.push('rf='+Q(m.referrer));b.push('page='+Q(q.location.href));b.push('agent='+Q(ab));b.push('ex='+Q(c));(new Image).src=bb+b.join('&')+'&rnd='+Math.random()}catch(p){}}...