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同张表中同时查询两个字段显示一个字段,对两个字段进行按时间排序
select b.bid_name as bidName,bd.repayment_way as depict,r.exact_repayment_time as time, r.should_repayment_principal as amount, '待收本金' as typeContent ... ...
分类:编程语言   时间:2018-05-03 11:14:10    阅读次数:185
IO负载高的来源定位
在一般运维工作中经常会遇到这么一个场景,服务器的IO负载很高(iostat中的util),但是无法快速的定位到IO负载的来源进程和来源文件导致无法进行相应的策略来解决问题。 这个现象在MySQL上更为常见,在5.6(performance_schema提供io instrument)之前,我们通常只 ...
分类:其他好文   时间:2018-05-02 20:50:01    阅读次数:130
nginx session 丢失解决
今天配置一个新项目,nginx 反向代理java,验证码总是不通过,查询发现是session丢失,nginx 文档:Sets a text that should be changed in the path attribute of the “Set-Cookie”&
分类:其他好文   时间:2018-05-02 19:08:52    阅读次数:177
logging模块
logging模块简介 ============== 很多程序都有记录日志的需求,并且日志中包含的信息即有正常的程序访问日志,还可能有错误、警告等信息输出. python的logging模块提供了标准的日志接口,你可以通过它存储各种格式的日志,logging的日志可以分为: debug(), inf ...
分类:其他好文   时间:2018-05-02 13:12:09    阅读次数:161
samba
"reference" Sample configuration file for the Samba suite for Debian GNU/Linux. This is the main Samba configuration file. You should read the smb.con ...
分类:其他好文   时间:2018-05-02 02:59:13    阅读次数:227
CodeForces 122G Lucky Array(一脸懵逼的树状数组)
Petya loves lucky numbers. Everybody knows that lucky numbers are positive integers whose decimal representation contains only the lucky digits 4 and ...
分类:编程语言   时间:2018-05-01 23:47:27    阅读次数:350
C. Greedy Arkady
kk people want to split nn candies between them. Each candy should be given to exactly one of them or be thrown away. The people are numbered from 11  ...
分类:其他好文   时间:2018-05-01 23:18:48    阅读次数:172
tomorrow is another day
Can you sell yourself in two minutes? go for it with my qualifications and experience I feel i am hardworing responsible and diligent in any project i ...
分类:其他好文   时间:2018-05-01 20:21:21    阅读次数:174
代写statistical R 程序、代做留学生R统计作业
代写statistical R 程序、代做留学生R统计作业1. This is a take-home final exam.2. Answers to Questions 1,2,3,4 should be written using a Latex editor. Question 5 can ...
分类:其他好文   时间:2018-04-30 23:31:18    阅读次数:274
769. Max Chunks To Make Sorted
class Solution { public: // O(n) // The idea is to maintain a window for all chars seen so far. // For [1,0,2,3,4], i = 0, we know the window should a... ...
分类:其他好文   时间:2018-04-30 16:44:36    阅读次数:177
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