Forwarded from 雨落
Neblk
违背1NF，个人信息这个属性是由姓名和性别组成的，所有列都应该不可再分
违背2NF，班主任姓名和学生的姓名没有关系，而是只与班级有关，（所以应该把班级和班主任信息放到另一个表里）
#计算机组成原理
https://stackoverflow.com/questions/50966676/why-do-arm-chips-have-an-instruction-with-javascript-in-the-name-fjcvtzs#50966903
https://stackoverflow.com/questions/50966676/why-do-arm-chips-have-an-instruction-with-javascript-in-the-name-fjcvtzs#50966903
Stack Overflow
Why do ARM chips have an instruction with Javascript in the name (FJCVTZS)?
FJCVTZS is "Floating-point Javascript Convert to Signed fixed-point, rounding toward Zero". It is supported in Arm v8.3-A chips and later. Which is odd, because you don't expect to see
#计算机组成原理
https://electronics.stackexchange.com/questions/123760/how-can-a-cpu-deliver-more-than-one-instruction-per-cycle#123778
https://electronics.stackexchange.com/questions/123760/how-can-a-cpu-deliver-more-than-one-instruction-per-cycle#123778
Electrical Engineering Stack Exchange
How can a CPU deliver more than one instruction per cycle?
Wikipedia's Instructions per second page says that an i7 3630QM deliver ~110,000 MIPS at a frequency of 3.2 GHz; it would be (110/3.2 instructions) / 4 core = ~8.6 instructions per cycle per c...
Neblk
libreoffice --headless --convert-to pdf --outdir pdf/ $i
https://stackoverflow.com/questions/30349542/command-libreoffice-headless-convert-to-pdf-test-docx-outdir-pdf-is-not
#信息技术基础
#信息技术基础
Stack Overflow
Command `libreoffice --headless --convert-to pdf test.docx --outdir /pdf` is not working
I have to wait for long after using this LibreOffice command which is intended to convert DOCX into PDF:
libreoffice --headless --convert-to pdf test.docx --outdir /pdf
But I'm getting no respons...
libreoffice --headless --convert-to pdf test.docx --outdir /pdf
But I'm getting no respons...
为什么 .NET 一宣布开源和支援跨平台，一些人就在喊 Java 可以去死？因果关系何在？ - 涛吴的回答 - 知乎
https://www.zhihu.com/question/26601888/answer/33571406
#计算机学科导论
https://www.zhihu.com/question/26601888/answer/33571406
#计算机学科导论