在eclisep的安装目录,打开eclipse.ini文件,加上这么一行,如下红色所示,注意加在-Vmargs前面,这两种方式的区别是:第二种方式除了会有eclipse进程外还会启动个java进程. 很多时候再启动eclipse时会报could not carea the java virtual machine, A fatal exception...异常,就可以修改eclipse.ini指定其jdk再启动试一下. -vmC:/Program Files (x86)/Java/jdk1.8.…
方法一: public static int indexOf (字符串/字符,int从第几位开始,int共查几位) string tests = "1absjjkcbfka2rsbcfak2bfka1"; //测试字符串 int i = tests.IndexOf("2b",5,tests.Length-5); //查找从第五字符向后查找“2b” textBox2.Text = i.ToString(); int i = tests.IndexO…
Given an array of integers nums sorted in ascending order, find the starting and ending position of a given targetvalue.Your algorithm's runtime complexity must be in the order of O(log n). If the target is not found in the array, return [-1, -1]. Ex…