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How to convert a date string to different format [duplicate]
I need to convert date string "2013-1-25" to string "1/25/13" in python.
I looked at the datetime.strptime but still can't find a way for this.
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SQL: How to perform string does not equal
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179
Your where clause will return all rows where tester does not match username AND where tester i...
How do I zip two arrays in JavaScript? [duplicate]
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217
Use the map method:
var a = [1, 2, 3]
var b = ['a', 'b', 'c']
var c = a.map(function(e,...
error C2664: “std::list::list(const std::allocator &)”: 不能将参数 1...
...rror C2664: “std::list::list(const std::allocator &)”: 不能将参数 1 从 “std::vector”转换为“const std::allocator &”错误日志:error C2664: std::list<_Ty>::list(const std::allocator<_Ty> &): 不能将参数 1 从std::vector<_Ty>转换为const std::...错误日志:
error C...
ORACLE 常用日期函数 - 数据库(内核) - 清泛网 - 专注C/C++及内核技术
...,返回值日期之前几个月日期。
select add_months(to_date('20150201','yyyymmdd'), -1) from dual
结果:2015/1/1
相应的,加减天数add_days函数是不存在的,直接用+、-即可,例如:
select to_date('20150201','yyyymmdd')+1 from dual
结果:2015/2/2
当月...
PHP操作MongoDB时的整数问题及对策 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...先来生成一些测试数据:
<?php
ini_set('mongo.native_long', 1);
$instance = new Mongo();
$instance = $instance->selectCollection('test', 'test');
for ($i = 0; $i < 10; $i++) {
$instance->insert(array(
'group_id' => rand(1, 5),
'count' => rand(1, 5),
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jumpserver-华为云免费堡垒机解决方案 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...中的SELINUX="" 为 disabled ,然后重启。
二、配置163源和依赖rpm
cd /etc/yum.repos.d/
mkdir bak
mv * /etc/yum.repos.d/bak/
wget http://mirrors.163.com/.help/CentOS6-Base-163.repo
yum clean all
yum makecache
如果是REHL需要修改
1.删除redhat原有的yum
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scrapy xpath抓取节点的文本innerText、innerHTML、outerHTML - 更多技术 -...
...<b>x< b>< p>response xpath(& 39; div[@class="question"] div[2] div[2] div[1] p[1]& 39;) extract() 抓 假设抓取:
<p>
xx<b>x</b>
</p>
scrapy代码:
# 抓取p节点本身,得到的内容:<p>xx<b>x</b></p>
response.xpath('//div[@class="question"]/div[2]/div[2]/div[1]/p[1]').e...
PHP 安装 ZIP 扩展 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...一、安装libzipcd usr local srcwget https: libzip org download libzip-1 3 2 tar gztar zxf libzip-1 3 2 tar gzcd libzip-1 3 2 configuremake && make install如 一、安装libzip
cd /usr/local/src
wget https://libzip.org/download/libzip-1.3.2.tar.gz
tar zxf libzip-1.3.2.tar.gz
cd libzip...
