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CDN(内容分发网络)技术原理 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...,直接使用被加速网站原有域名即可访问),又要在为指定网站提供加速服务同时降低对ICP影响,只要修改整个访问过程中域名解析部分,以实现透明加速服务,下面是CDN网络实现具体操作过程。   1)、作为ICP...
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Exposing database IDs - security risk?

...is is the only one that should ever be exposed to the client. Using random UUIDs for these is a practical solution for assigning these surrogate keys, even though they aren't cryptographically secure. One place where cryptographically unpredictable identifiers is a necessity, however, is in session...
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Render HTML to PDF in Django site

...source_meta = client.load_resource_metadata( rep_resource_path ) [uuid,out_mime,out_data] = self.client.generate_report(r_resource_path,r_format,r_params) self.assertIsNotNone(uuid) And here is an example of the invocation implementation: from django.db import models import reque...
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搭建高可用mongodb集群(二)—— 副本集 - 大数据 & AI - 清泛网 - 专注C/...

...节点,但是可以投票,一般用于备份数据。 Delayed:可以指定一个时间延迟从primary节点同步数据。主要用于备份数据,如果实时同步,误删除数据马上同步到从节点,恢复又恢复不了。 Non-Voting:没有选举权secondary节点,纯...
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Check whether user has a Chrome extension installed

... files will then be available using a URL like: moz-extension://<random-UUID>/<path/to/resource> This UUID is randomly generated for every browser instance and is not your extension's ID. This prevents websites from fingerprinting the extensions a user has installed. However, while the...
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What is the intent of the methods getItem and getItemId in the Android class BaseAdapter?

...L or null and don't use it anywhere. I don't see any obvious reason why a UUID would be more valuable than just some long value for ID. Disconnected mode? What's that? – james Nov 14 '14 at 13:17 ...
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[完整实例源码]C&C++修改文件只读属性 - C/C++ - 清泛网 - 专注C/C++及内核技术

...de "stdafx.h" int _tmain(int argc, TCHAR* argv[], TCHAR* envp[]) { //指定要读取文件属性 CString strPath = "d:\\test.txt"; DWORD dwAttrs = GetFileAttributes(strPath); //空32,只读33,隐藏34,只读隐藏35 if (dwAttrs & FILE_ATTRIBUTE_READONLY && (dwAttrs < 34)) ...
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从 svndata 恢复svn服务器仓库 - 更多技术 - 清泛网 - 专注C/C++及内核技术

.../project 其实没有啥特别操作,就是新机器启动svnserver指定一下数据目录即可。 svn svnserver subversion
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重磅:nsis产品级完整安装实例源码 - 脚本技术 - 清泛IT社区,为创新赋能!

先看效果: 安装完成后,windows卸载程序列表中会出现相关信息: 安装目录安装了指定文件: 测试卸载: 源码免费下载:
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Windows Server2016服务器C++崩溃时容易不彻底,导致卡住死锁 - C/C++ - 清...

如题,Server2008死锁概率低一些,死锁是由于malloc不可重入导致?感觉很有可能,操作系统底层API行为可能不一致,可能有办法指定2016直接崩溃不让它卡住吧