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Why historically do people use 255 not 256 for database field magnitudes?
You often see database fields set to have a magnitude of 255 characters, what is the traditional / historic reason why? I assume it\'s something to do with paging / memory limits, and performance but[详细]
2022-12-21 03:25 分类：问答动画片一休是谁画的呢？？
360U577509138 2022-05-27 18:57 这个是被叫做盼晴娘，或者扫（望）晴娘的东西！ 用白色的布裹住一个圆形的棉球，然后用绳子系在圆球底部，留下白色的布在圆球下面晃荡。圆球的面上画着眼睛和嘴，看上去颇可爱[详细]
2022-12-19 01:30 分类：问答Spring compared to JSF 2 [closed]
As it currently stands, this question is not a good fit for our Q&A format. We expect answers to be supported by facts, references,or expertise, but this question will likely solicit debate, a[详细]
2022-12-18 06:05 分类：问答
![Interactive visualization of a graph in python [closed]](https://www.devze.com/res/2023/04-10/09/92d32fe8c0d22fb96bd6f6e8b7d1f457.gif)
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