public class TestSubStr {
public static void main(String[] args) {
String str1 = "abcdefghijklmn";
String str2 = "hca";
//开辟一个辅助数组，并初始化为0
int[] hash = new int[26];
//num为辅助数组中元素个数
int num = 0;
//扫描短字符串
for(int i=0; i
1、java.lang.IllegalStateException: Class invariant violation
at org.apache.log4j.LogManager.getLoggerRepository(LogManager.java:199)at org.apache.log4j.LogManager.getLogger(LogManager.java:228)
at o
hadoop jps出现process information unavailable提示解决办法
jps时出现如下信息：
3019 -- process information unavailable3053 -- process information unavailable2985 -- process information unavailable2917 --
<?php
class Image{
private $path;
function __construct($path='./'){
$this->path=rtrim($path,'/').'/';
}
//水印函数，参数：背景图，水印图，位置，前缀,TMD透明度
public function water($b,$l,$pos
