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<a href="/2021/08/03/splite-file-pdf/">
pdf文件拆分
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<p>背景：实现pdf文件拆分，支持并发</p>
<p>实现：通过itextpdf读取pdf文件，获取总页数，根据拆分数进行分割，并将分割的各分部内容写入新的文件</p>
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记一次加密解密文件
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<p>背景：实现数据文件加密，并支持解密</p>
<p>实现：采用AES算法，生成密码对象，在写数据时，对数据进行加密写入，解密同理</p>
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<a href="/2020/08/05/docker_install_informix/">
Docker安装imformix
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1.搜索镜像选择如下第一个官方镜像:
[tom@host15 ~]$ sudo docker search imform
NAME DESCRIPTION ...
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EsgynDB问题总结
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<p>日常开发中遇到的 EsgynDB/Qianbase 相关的问题及解决方案。</p>
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<span><i class="fas fa-history"></i> <span class="home-article-date" data-date="Sun Jul 26 2020 14:20:11 GMT+0800">2020-07-26</span></span>
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<p>日常开发中遇到的CDH相关的问题及解决方案。</p>
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<span><i class="fas fa-history"></i> <span class="home-article-date" data-date="Sun Jul 26 2020 12:33:21 GMT+0800">2020-07-26</span></span>
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数据库字符串拼接
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<p>数据库字符串拼接总结：</p>
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<span><i class="fas fa-history"></i> <span class="home-article-date" data-date="Sun Jul 19 2020 18:26:26 GMT+0800">2020-07-19</span></span>
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<p>Docker 是一个开源的应用容器引擎，让开发者可以打包他们的应用以及依赖包到一个可移植的容器中,然后发布到任何流行的Linux机器或Windows 机器上,也可以实现虚拟化,容器是完全使用沙箱机制,相互之间不会有任何接口。</p>
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<span><i class="fas fa-history"></i> <span class="home-article-date" data-date="Tue May 19 2020 20:20:25 GMT+0800">2020-05-19</span></span>
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<p>对于程序员来说，换电脑是一件比较痛苦的事，因为在旧电脑上工作很长一段时间了，上面配置了各种开发环境，一下子换到新的电脑上，所有的配置都得重新折腾一遍，这过程不仅繁琐，有时候还会出现各种稀奇古怪的错误，该文章用于记录自己在开发中的各种环境配置及方案，避免每次都百度到处找配置。。。</p>
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windos命令行设置UTF8中文显示
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<p>在公司开发Java工具的时候，用bat脚本进行启动时，打印的中文日志出现乱码，不能正常显示，这是因为cmd窗口默认的编码是GBK，而我的Java文件等设置的字符集是UTF8，所以在启动Java程序前应先将当前cmd窗口的编码设置为UTF8。通过查询资料，找到chcp指令，该指令可用于显示或设置windows活动页的编码。具体用法如下：</p>
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<span><i class="fas fa-history"></i> <span class="home-article-date" data-date="Sun Apr 19 2020 16:41:26 GMT+0800">2020-04-19</span></span>
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<a href="/2020/04/19/md5sum/">
命令行计算文件MD5值
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<p>通常，在打包软件过程中需要计算文件的md5值一并上传到服务器，接下来介绍在windows和linux下怎么通过命令行得出文件的md5值。</p>
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<span><i class="fas fa-history"></i> <span class="home-article-date" data-date="Sun Apr 19 2020 09:11:42 GMT+0800">2020-04-19</span></span>
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