苹果推送 iOS 26.4 Beta 2，液态玻璃再调整
Self-attention is required. The model must contain at least one self-attention layer. This is the defining feature of a transformer — without it, you have an MLP or RNN, not a transformer.，更多细节参见搜狗输入法2026
Diagrams from redesign 3, hand-written SVG。同城约会对此有专业解读
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.
描述：给定字符串 num（非负整数）和整数 k，移除 k 位数字，使剩余数字最小。以字符串形式返回（不含前导零）。