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python Binary to Str 编码格式化问题
相信编码问题困扰了不少coder,最近遇到的一些坑分享给大家。1、通用方法 :decode对应的编码>>> b"abcde" b'abcde' # utf-8 is used here because it is a very com
分类:编程语言   时间:2018-06-22 14:42:45    阅读次数:327
ORA-27300: OS system dependent operation:sendmsg failed with status: 105 ORA-27301: OS failure message: No buffer space available
早上查看数据库alert日志,发现如下ORA-报错: kgxpvfynet: mtype: 61 process 6460 failed because of a resource problem in the OS. The OS has most likely run out of buffer ...
分类:其他好文   时间:2018-06-21 18:27:09    阅读次数:417
HDU 1014 Uniform Generator(题解)
Uniform Generator Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 32990 Accepted Submission(s): 1 ...
分类:其他好文   时间:2018-06-20 00:07:17    阅读次数:147
Leetcode_1.Two Sum
1. Two Sum + 输入:一个整数数组nums[],一个整数target + 返回:数组中找出2个数,使其和为target,并返回两个数在数列中的索引。 比如: Given nums = [2, 7, 11, 15], target = 9, Because nums[0] + nums[1] ...
分类:其他好文   时间:2018-06-18 23:21:12    阅读次数:230
POJO是什么,javabean是什么,以及POJO与javabean的区别
参考:https://blog.csdn.net/qq_27093465/article/details/52527270 _POJO(Plain Ordinary Java Object)简单的Java对象,实际就是普通JavaBeans,是为了避免和EJB混淆所创造的简称。 使用POJO名称是为 ...
分类:编程语言   时间:2018-06-18 00:30:48    阅读次数:248
Spring
1) What is Spring? It is a lightweight, loosely coupled and integrated framework for developing enterprise applications in java. 2) What are the advan ...
分类:编程语言   时间:2018-06-16 23:34:29    阅读次数:242
Robberies(01背包)
The aspiring Roy the Robber has seen a lot of American movies, and knows that the bad guys usually gets caught in the end, often because they become t ...
分类:其他好文   时间:2018-06-15 22:40:18    阅读次数:222
Renewed Red Hat and updated the system with yum up
Renewed Red Hat and updated the system with yum update, the following error:Not using downloaded repomd.xml because it is older than what we have
分类:其他好文   时间:2018-06-15 18:23:47    阅读次数:122
mysql 时间字段介绍
mysql时间类型大概有5种,如下图1、创建数据库createtablet1(idint(11)NOTNULLAUTO_INCREMENTPRIMARYKEY,d1_datadate,d2_timetime,d3_datatimedatetime,d4_yearyear,d5_timestampTIMESTAMP);字符串方式插入INSERTINTOt1(d1_data,d2_time,d3_da
分类:数据库   时间:2018-06-15 17:50:02    阅读次数:206
Transaction rolled back because it has been marked as rollback-only
出现这种错误的原因 1.接口A 调用了接口B 2.接口B报异常了,没有在B里面进行try catch捕获 3.接口A对 接口B进行了try catch捕获 因为接口B报异常 会把当前事物A接口的事物(如果B没有开启新的事物) 标志成rollback-only 然后因为接口A对B进行了try catc ...
分类:其他好文   时间:2018-06-14 20:47:47    阅读次数:189
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