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LeetCode-Unique Word Abbreviation
An abbreviation of a word follows the form <first letter><number><last letter>. Below are some examples of word abbreviations: Assume you have a dicti ...
分类:其他好文   时间:2016-08-30 09:24:08    阅读次数:314
关于在ubuntu14.04下编译安装ffmpeg
首先下载ffmpeg-2.4.3.tar.bz2和last_x264.tar.bz2,可以见附件。 cd ~ mkdir ffmpeg && cd ffmpeg libx264需要yasm,所以先安装yasm sudo apt-get install yasm 然后安装libx264 sudo ap ...
分类:系统相关   时间:2016-08-29 22:43:40    阅读次数:254
编译Twitter的Heron时一直报错“heron/bazel_configure.py", line 25, in <module> import semver ImportError: No module named semver”如何处理。
今天编译heron的时候,从官方git到的源码bazel_configure的时候一直报错如下: Traceback (most recent call last): File "/comexData/package/heron/bazel_configure.py", line 25, in im... ...
分类:其他好文   时间:2016-08-29 06:54:46    阅读次数:240
Dig out deleted chat messages of App Skype
Last month Candy was arrested on suspicion of having doing online porn webcam shows, but Candy refused to confess to her crime. The Police extracted d ...
分类:移动开发   时间:2016-08-28 22:19:16    阅读次数:825
字符函数
--lower,upper :大小写转换select last_name,lower(last_name),upper(last_name) from employees; --initcap 单词首字母大写,其他全小写select initcap('this is a book') from du ...
分类:其他好文   时间:2016-08-28 01:01:56    阅读次数:152
单行函数和多行函数
--单行函数(左边为原始状态,右边为修改后的状态,每一个字符都大写)select last_name,upper(last_name) from employees; --单行函数select last_name,upper(last_name),lower(last_name) from empl ...
分类:其他好文   时间:2016-08-27 14:04:43    阅读次数:201
58. Length of Last Word
1. 问题描述 Given a string s consists of upper/lower-case alphabets and empty space characters ' ', return the length of last word in the string.If the la ...
分类:其他好文   时间:2016-08-27 00:22:16    阅读次数:159
postgreSQL 一些基础操作
获取every_check_accident表中的自增id的最大值 SELECT last_value FROM every_check_accident_id_seq; $list = DB::getInstance(self::DBNAME)->pg_insert_id('every_check ...
分类:数据库   时间:2016-08-26 20:04:47    阅读次数:245
leetcode 58 Length of Last Word ----- java
Given a string s consists of upper/lower-case alphabets and empty space characters ' ', return the length of last word in the string. If the last word ...
分类:编程语言   时间:2016-08-26 01:11:42    阅读次数:201
rownum和rowid伪列
select row employee_id,last name,salary from employees; select row employee_id,last name,salary from employees where department_id=50; --查询牟彪中的前5条数据se ...
分类:其他好文   时间:2016-08-26 01:07:18    阅读次数:182
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