shortid | 可以看出一年大概是这么多秒,16 6 16777216,16 7
kandi X-RAY | shortid Summary
kandi X-RAY | shortid Summary
shortid is a Python library. shortid has no bugs, it has no vulnerabilities, it has build file available, it has a Permissive License and it has low support. You can download it from GitHub.
可以看出一年大概是这么多秒,16 ^ 6 = 16777216,16 ^ 7 = 268435456,所以如果8年不更新REDUCE_TIME都能保证不计算并发的情况下生成的shortid在9位之内。. 分析完生成的id长度后再看一下关键的生成随机字符的代码 str = str + lookup( ( (number >> (4 * loopCounter)) & 0x0f ) | randomByte() ); 这里用到了位运算,将number右移4 * loopCounter位之后和0x0f做与运算,保证最后的结果小于16。接下来做一个验证:.
可以看出一年大概是这么多秒,16 ^ 6 = 16777216,16 ^ 7 = 268435456,所以如果8年不更新REDUCE_TIME都能保证不计算并发的情况下生成的shortid在9位之内。. 分析完生成的id长度后再看一下关键的生成随机字符的代码 str = str + lookup( ( (number >> (4 * loopCounter)) & 0x0f ) | randomByte() ); 这里用到了位运算,将number右移4 * loopCounter位之后和0x0f做与运算,保证最后的结果小于16。接下来做一个验证:.
Support
Quality
Security
License
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Support
shortid has a low active ecosystem.
It has 1 star(s) with 0 fork(s). There are no watchers for this library.
It had no major release in the last 6 months.
shortid has no issues reported. There are no pull requests.
It has a neutral sentiment in the developer community.
The latest version of shortid is current.
Quality
shortid has no bugs reported.
Security
shortid has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.
License
shortid is licensed under the MIT License. This license is Permissive.
Permissive licenses have the least restrictions, and you can use them in most projects.
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shortid releases are not available. You will need to build from source code and install.
Build file is available. You can build the component from source.
Installation instructions are not available. Examples and code snippets are available.
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shortid Key Features
No Key Features are available at this moment for shortid.
shortid Examples and Code Snippets
No Code Snippets are available at this moment for shortid.
Community Discussions
No Community Discussions are available at this moment for shortid.Refer to stack overflow page for discussions.
Community Discussions, Code Snippets contain sources that include Stack Exchange Network
Vulnerabilities
No vulnerabilities reported
Install shortid
You can download it from GitHub.
You can use shortid like any standard Python library. You will need to make sure that you have a development environment consisting of a Python distribution including header files, a compiler, pip, and git installed. Make sure that your pip, setuptools, and wheel are up to date. When using pip it is generally recommended to install packages in a virtual environment to avoid changes to the system.
You can use shortid like any standard Python library. You will need to make sure that you have a development environment consisting of a Python distribution including header files, a compiler, pip, and git installed. Make sure that your pip, setuptools, and wheel are up to date. When using pip it is generally recommended to install packages in a virtual environment to avoid changes to the system.
Support
For any new features, suggestions and bugs create an issue on GitHub.
If you have any questions check and ask questions on community page Stack Overflow .
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