操作系统中的死锁1.1究竟什么是僵局? (1.1 What exactly is a deadlock?) In a multiprogramming environment, there may be several processes with a finite number of resources. A process may request another resource while still holding some of the oth…
java treemapTreeMap类的lastEntry()方法 (TreeMap Class lastEntry() method) lastEntry() method is available in java.util package. lastEntry()方法在java.util包中可用。 lastEntry() method is used to return the entry (key-value pairs) that exists with the large…
题目: Given two strings s and t, write a function to determine if t is an anagram of s. For example,s "anagram", t "nagaram", return true.s "rat", t "car", return false. Note: You may assume the string…
apply p8727236_10123 for Developer Suite 10.1.2.3 in Linux首先到oracle的技术支持下载所需补丁,然后1先打补丁7121788,把p7121788_10123_LINUX.zip解压到/home/oracledev目录下(ORACLE_HOME为/u01/app/oracledev/OraHome_dev)$cd /home/oracledev/7121788$expo…
java treemapTreeMap类HigherKey()方法 (TreeMap Class higherKey() method) higherKey() method is available in java.util package. HigherKey()方法在java.util包中可用。 higherKey() method is used to return the lowest key value element higher than the given key e…
stringreaderStringReader类skip()方法 (StringReader Class skip() method) skip() method is available in java.io package. skip()方法在java.io包中可用。 skip() method is used to skip the given number of characters in the stream. skip()方法用于跳过流中给定数量的…
NFS部署及优化(一)一、NFS的基本概念NFS network file system 网络文件系统必然通过网络通信来实现文件的访问和写入,所以做这个实验的话最好有两台虚拟机配置:A:一个192.169.50.201为server端B:一个192.169.50.200为…
原博文:http://blog.chinaunix.net/uid-77311-id-3051382.html使用Dbms_Repair跳过坏块步骤1:表tb_test中有坏块(模拟坏块同方法1)SQL> select count(1) from hxl.tb_test;select count(1) from hxl.tb_test*ERROR at line 1:ORA-01578: ORACLE data block corru…
strictmathStrictMath类nextUp()方法 (StrictMath Class nextUp() method) Syntax: 句法: public static float nextUp(float fl);public static double nextUp(double do);nextUp() method is available in java.lang package. nextUp()方法在java.lang包中可用。…
printstreamPrintStream类close()方法 (PrintStream Class close() method) close() method is available in java.io package. close()方法在java.io包中可用。 close() method is used to close the underlying output stream. close()方法用于关闭基础输出流。 close() meth…
select语句结构与执行顺序select语句的结构与执行顺序,下面的序号代表执行顺序8 SELECT (9)DISTINCT11 1 ROM 3 JOIN 2 ON 4 WHERE 5 GROUP BY 6 WITH {CUBE | ROLLUP}7 HAVING 10 ORDER BY 补…
瞎搞题啊。找出1 1 0 0这样的序列,然后存起来,这样的情况下最好的选择是1的个数除以这段的总和。然后从前向后扫一遍。变扫边进行合并。每次合并。合并的是他的前驱。这样到最后从t-1找出的那条链就是最后满足条件的数的大小。Room and Moor Time Limit:…
java define长类解码()方法 (Long class decode() method) decode() method is available in java.lang package. 在java.lang包中提供了define ()方法 。 decode() method is used to decode the given String value into a Long value. encode()方法用于将给定的String值解码…