在分析转录组数据时,用bowtie2比对生成的bam文件,下一步call peak使用m6Aviewer,需要bam文件的index文件.所以我直接敲命令 samtools index xx.bam [E::hts_idx_push] NO_COOR reads not - 报上面的错误.后来发现,samtools建索引时,bam或sam文件必须是排序好了的,而且必须使用samtools的默认排序方法,即坐标顺序排序. time nohup samtools sort -@ .m6A.bam -…
C语言的AES加密 稍微封装了几个函数 方便使用 #if 1 #include <stdio.h> #include <stdlib.h> #include <string.h> /*aes_small.c*/ //辅助矩阵 /*s盒矩阵:The AES Substitution Table*/// 256 位的密匙256 位支持长度为32 个字符 ]={ //static:内部变量 const:只读,不可变常量 0x63,0x7c,0x77,0x7b,0xf2,0x6…
Coins Time Limit: 3000MS   Memory Limit: 30000K Total Submissions: 32309   Accepted: 10986 Description People in Silverland use coins.They have coins of value A1,A2,A3...An Silverland dollar.One day Tony opened his money-box and found there were some…
对Oracle数据库整体性能的优化,首先要关注的是在有性能问题时数据库排名前几位等待事件是哪些.Oracle等待事件众多,随着版本的升级,数量还在不断增加,可以通过v$event_name查到当前数据库版本包含的等待事件.例如我在Linux平台查11.2.0.4版本的Oracle是有1367个等待事件.SELECT name FROM V$EVENT_NAME ORDER BY name; 如此多的等待事件自然是要分类汇总,并对常见的等待事件有比较深入的认识,才能在Oracle数据库调优这条路上…
Description Whuacmers use coins.They have coins of value A1,A2,A3...An Silverland dollar. One day Hibix opened purse and found there were some coins. He decided to buy a very nice watch in a nearby shop. He wanted to pay the exact price(without chang…
Coins Time Limit: 3000MS   Memory Limit: 30000K Total Submissions: 34814   Accepted: 11828 Description People in Silverland use coins.They have coins of value A1,A2,A3...An Silverland dollar.One day Tony opened his money-box and found there were some…
Problem Description Whuacmers use coins.They have coins of value A1,A2,A3...An Silverland dollar. One day Hibix opened purse and found there were some coins. He decided to buy a very nice watch in a nearby shop. He wanted to pay the exact price(witho…
http://acm.hdu.edu.cn/showproblem.php?pid=2844 题意: 有n个硬币,知道其价值A1.....An.数量C1...Cn.问在1到m价值之间,最多能组成多少种价值. 思路: dp[i]表示i价值能够组成的最大种数. New~ 欢迎“热爱编程”的高考少年——报考杭州电子科技大学计算机学院关于2015年杭电ACM暑期集训队的选拔 Coins Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 327…
from http://www.akadia.com/services/ora_chained_rows.html Overview If you notice poor performance in your Oracle database Row Chaining and Migration may be one of several reasons, but we can prevent some of them by properly designing and/or diagnosin…
Binary Stirling Numbers Time Limit: 1000MS   Memory Limit: 10000K Total Submissions: 1761   Accepted: 671 Description The Stirling number of the second kind S(n, m) stands for the number of ways to partition a set of n things into m nonempty subsets.…