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Which cryptographic hash function should I choose?
... just not feasible to do so. Not for MD5 and not for Skein.
MD5/SHA1/Sha2xx have no chance collisions
All the hash functions have collisions, its a fact of life. Coming across these collisions by accident is the equivalent of winning the intergalactic lottery. That is to say, no one wins the int...
How is Perl's @INC constructed? (aka What are all the ways of affecting where Perl modules are searc
...ve, the OS X version of Perl also has two more ways:
The /Library/Perl/x.xx/AppendToPath file. Paths listed in this file are appended to @INC at runtime.
The /Library/Perl/x.xx/PrependToPath file. Paths listed in this file are prepended to @INC at runtime.
...
程序员之网络安全系列（五）：数字证书以及12306的证书问题 - 更多技术 - ...
...个我们在前面介绍公钥密码体制时介绍过，公钥是用来对消息进行加密的。
Subject (主题)
这个证书是发布给谁的，或者说证书的所有者，一般是某个人或者某个公司名称、机构的名称、公司网站的网址等。
Signature algorithm ...
Logging levels - Logback - rule-of-thumb to assign log levels
...ated dependency... e.g. database, REST example would be it has received a 4xx error from a dependency). Get me (maintainer of this component) out of bed.
WARN - This component has had a failure believed to be caused by a dependent component (REST example would be a 5xx status from a dependency). Get...
Referenced Project gets “lost” at Compile Time
...ject properties - I bet one or the other will be set to build against .NET XX - Client Profile.
With inconsistent versions, specifically with one being Client Profile and the other not, then it works at design time but fails at compile time. A real gotcha.
There is something funny going on in Visu...
网站备案那些事 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...说的；网站名称（不可太随便，而且貌似最近不允许使用xx网了，通过的概率较低，可以取自己的网名等都行）；域名证书，证明这个域名归你所有。然后备案时间大概15-30天，当然了你如果直接租用境外主机，你可以直接忽略...
App Inventor 2 多用户注册登录功能如何实现？ - App Inventor 2 中文网 - ...
...ame":"张三","password":"123456","xx":"xxx"}
用户信息注册后，按key和json值进行网络存储；登录时，通过用户名即key去查询网络微数据库，拿到用户的基本信息。
如果用户基本信息更新，则...
任何组件块 · App Inventor 2 中文网
...边缘时消失。 以前，您必须为每个雪花创建一个 when Ball_XX_.EdgeReached 才能实现此目的。 使用当任何Ball.EdgeReached事件时，您只需要编写一次代码：
图 7. 顶部：使用通用事件处理程序之前的重复事件处理程序。 底部：所有代...
dify 的数据库在哪？如何备份数据？ - C/C++ - 清泛IT社区，为创新赋能！
数据在 dify 源码的 xx/docker/volumes 下面，直接打包备份即可。
导入数据包后，重启docker即可重新加载最新数据。
普通码农和CTO之间的差距，就是这7点了 - 杂谈 - 清泛网 - 专注C/C++及内核技术
...的Result里面用isSuccess表示是否执行成功，如果失败则错误消息通过errorMessage返回；用泛型解决了Object强制转换的问题，。
当然，后来我用了异常。因为我觉得没有正常人喜欢用if来不停的判断，看起来就像C语言一样“二”。函...