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<!DOCTYPE html>
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hits: {"per_page":10},
labels: {"input_placeholder":"Search for Posts","hits_empty":"We didn't find any results for the search: ${query}","hits_stats":"${hits} results found in ${time} ms"}
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<a href="/2019/07/24/cjyi0v1un000hko8d9dqm7gea/" class="post-title-link" itemprop="url">Java单例模式几种实现方式</a>
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<p>
单例模式虽然自己经常用，但始终只使用一种方式，对于其他各种实现方式还是比较生疏，特意恶补了下。
1.静态常量单例(饿汉式)类加载时创建实例，如果该类始终没有使用，存在内存占用问题public class Instance { private static final Instance INSTANCE = new Instance(); private Instance(){ } p
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<a href="/2019/01/18/cjyi0h2sw0000ko8do30fv6sw/" class="post-title-link" itemprop="url">Mysql删库跑路</a>
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<time title="创建时间：2019-01-18 15:07:22 / 修改时间：15:46:11" itemprop="dateCreated datePublished" datetime="2019-01-18T15:07:22+08:00">2019-01-18</time>
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进入命令行页面mysql -u{root} -p{pwd}
显示所有数据库mysql> show databases;+-----------------------------+| Database |+-----------------------------+| information_schema | | zaproxy
...
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<a href="/2016/11/25/cjyi0h31c000eko8df5cys1xv/" class="post-title-link" itemprop="url">Django学习05---Admin后台</a>
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基于 python 2.7 和 django 1.10
说起后台管理，是一个完整的 web 项目不可获缺的部分。我们在后台实现对用户信息的增删改查，对业务数据的查询、整理和统计。由于功能单一（无非就是增删改查），功能类似。在使用其他语言的编写web后台时，在没有好的方案的情况下，只得从0开始写管理后，面对这样的无技术含量的事情，怎么能如此低效呢？而 django 的一大杀器就是自动生成管理后台，这也是我开始关注他并努力学习的目标，毕竟人
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基于 python 2.7 和 django 1.10
本节来我们开始学习 django 的模型，在前3节的基础上，学习了视图函数，基本的URL配置，视图模板，对 django 有了初步的认识，现在再学习下模型，后面结合数据库一起使用。最后来写个 blog 项目练习练习废话不说了，开始学习吧…
1.创建第一个用户模型继续用 atom 打开 myproject ，在 firstapp models.py 文件中创建第一个模型，由名字应该得
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