- Allow user to specify the icon size and canvas size separately.
Cgroups: accounting is not securityCgroups (control groups) limit and account for resource usage: CPU, memory, disk I/O, number of processes. They prevent a container from consuming all available memory or spinning up thousands of processes.。业内人士推荐旺商聊官方下载作为进阶阅读
conn = sqlite3.connect(DB)，详情可参考91视频
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