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python lxml 使用
>>> import lxml.html >>> broken_html='AreaPopulation' >>> tree=lxml.html.fromstring(broken_html) #parse the HTML >>> fixed_html=lxml.html.tostring(tre... ...
分类:编程语言   时间:2018-01-03 14:04:39    阅读次数:146
USACO Broken Necklace 题解(环展开成链,枚举)
题目大意:有一个项链,由红、蓝、白三种颜色的珠子组成,然后现在选择项链中的某一处断开,然后沿断开处的两个珠子分别查找,直至找到一个颜色不同的珠子,并统计个数(其中颜色以第一个非白色的为准,白色的珠子可以视为红色,也可以视为蓝色),要求找到的珠子个数的最大值。 分析:首先读取项链字符串,考虑到这是一个 ...
分类:其他好文   时间:2017-12-24 12:46:34    阅读次数:110
HDU3727 Jewel(主席树+树状数组(或二分))
Problem Description Jimmy wants to make a special necklace for his girlfriend. He bought many beads with various sizes, and no two beads are with the ...
分类:编程语言   时间:2017-12-02 16:21:09    阅读次数:216
错误:php70w-common conflicts with php-common-5.3.3-4
博客原文地址https://xgs888.top/post/view?id=43错误:php70w-common conflicts with php-common-5.3.3-49.el6.x86_64 You could try using --skip-broken to记录一下  由于之前系统自带的php5.3.3没有卸载干净;在执行phpize时报错说需要php-devel&n
分类:Web程序   时间:2017-11-27 11:12:48    阅读次数:882
1084. Broken Keyboard (20)
On a broken keyboard, some of the keys are worn out. So when you type some sentences, the characters corresponding to those keys will not appear on sc ...
分类:其他好文   时间:2017-11-24 21:29:51    阅读次数:133
Vsftpd虚拟用户配制安装
安装vsftpdyuminstallvsftpd*-y查看vsftpd安装后的配置文件路径、启动Vsftpd服务及查看进程是否启动rpm-qlvsftpd|moresystemctlrestartvsftpd.serviceps-ef|grepvsftpd1.安装Vsftpd虚拟用户需用到的软件及认证模块:yuminstallpamlibdb-utilslibdb--skip-broken-y2.创建虚拟用..
分类:其他好文   时间:2017-11-11 22:16:32    阅读次数:133
EM自动任务导致数据库缓慢
这两天客户抱怨数据库慢,查看性能什么的没发现什么异常。查看job发现一个内容为EMD_MAINTENANCE.EXECUTE_EM_DBMS_JOB_PROCS执行特别频繁。使用 EXEC DBMS_JOB.BROKEN(job#,TRUE);EXEC DBMS_JOB.REMOVE(job);均无 ...
分类:数据库   时间:2017-11-10 15:08:16    阅读次数:171
Usaco 1.1.4 Broken Necklace
You have a necklace of N red, white, or blue beads (3<=N<=350) some of which are red, others blue, and others white, arranged at random. Here are two ...
分类:其他好文   时间:2017-10-25 11:24:18    阅读次数:150
UVA——11988 Broken Keyboard (a.k.a. Beiju Text)
11988 Broken Keyboard (a.k.a. Beiju Text)You’re typing a long text with a broken keyboard. Well it’s not so badly broken. The only problem withthe key ...
分类:其他好文   时间:2017-10-24 18:17:40    阅读次数:158
Codeforces Round #442 A Alex and broken contest【字符串/常量数组/string类】
A. Alex and broken contest time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output A. Alex and b ...
分类:编程语言   时间:2017-10-24 13:20:36    阅读次数:295
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