12 2021 档案
摘要：A conditioner is a liquid that you put onto your hair after washing it to make it softer, or a liquid that you wash clothes in to make them softer. AC
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posted @ 2021-12-31 23:12
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摘要：n. 1) 空气/大气/空中; 2) 外观,印象,气氛; 3) 飞机相关v. a) 通风; b) 广播; c) 发表意见 1. airbrush: a device for spraying [喷] paint [油漆,颜料] by means of compressed [压缩的] air 2.
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posted @ 2021-12-31 22:11
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摘要：如题，x是32位unsigned integer. 有Quake公式，(n+1)**2 - n**2 = 2n + 1, 即1+3=4, 4+5=9, 9+7=16 ... [说错了：Babbage difference and Quake's Fast Inverse Square Root -
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posted @ 2021-12-31 17:18
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摘要：def tab2space(s, ts=4): out = ''; i = 0 for c in s: if c == '\t': j = ((i + ts) // ts) * ts out += (j - i) * ' ' i = j else: out += c; i += 1 return o
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posted @ 2021-12-31 11:26
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摘要：CHAPTER 17 ENGLAND UNDER EDWARD THE SECOND King Edward the Second, the first Prince of Wales, was twenty-three years old when his father died. There w
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posted @ 2021-12-31 08:48
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摘要：Bruce, after losing a battle and undergoing many dangers and much misery, fled to Ireland, where he lay concealed through the winter. That winter, Edw
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posted @ 2021-12-30 23:36
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摘要：Who betrayed William Wallace in the end, is not quite certain. That he was betrayed - probably by an attendant [侍从] - is too true. He was taken to the
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posted @ 2021-12-30 23:29
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摘要：Human immunodeficiency [免疫不足] virus infection and acquired immunodeficiency syndrome [症状] (HIV/AIDS) is a spectrum [系列] of conditions caused by infect
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posted @ 2021-12-30 23:15
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摘要：King Edward was abroad at this time, and during the successes on the Scottish side which followed, and which enabled bold Wallace to win the whole cou
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posted @ 2021-12-30 22:36
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摘要：Math for Programmers, 3D graphics, machine learning, and simulations with Python, Version 10, Copyright 2020 Manning Publications My (fictional) frien
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posted @ 2021-12-30 21:55
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摘要：a是个词根, in the state or process of. 有人问老板能不能去参加学术会议，老板答"go ahead"，他的意思可能是"去个头。" go ahead1. used to tell sb they can do sth2. do sth that was planned, e
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posted @ 2021-12-30 21:35
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摘要：Agriculture is the science and art of cultivating [耕作] plants and livestock [牲畜]. Agriculture was the key development in the rise of sedentary [tendin
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posted @ 2021-12-30 21:13
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摘要：GitHub - lsils/benchmarks: EPFL logic synthesis benchmarks 有许多Verilog的.v文件可以下载。mem_ctrl.v 5万多行 2MB，变量名全是n+数字，几万行assign啊！ Verilog里转义标识符(escaped identif
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posted @ 2021-12-30 19:01
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摘要：2011年的书，更像是论文集，不同章的作者不同，好多亚洲名字。1 IntroductionSunil P. Khatri and Kanupriya Gulati1.1 Logic Decomposition1.2 Boolean Satisfiability1.3 Boolean Matching
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posted @ 2021-12-30 18:29
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摘要：作者: Rajeev Murgai, Robert K. Brayton, Alberto Sangiovanni-Vincentelli. Recently, user-programmable gate arrays, called field-programmable gate arrays
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posted @ 2021-12-30 17:10
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摘要：到 https://www.bookzz.ren/ 下了些书，按size从大到小排序，翻完即删，反正也看不懂啊。翻指的是查找字符串simulat，下错书了 :-) 这本书是Winner of The Frederic Emmons Terman Award in Electrical & Compu
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posted @ 2021-12-30 16:16
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摘要：Espresso功能强大。处理16 in 40 out时不仅速度很快，而且只用了494x359的矩阵。集合则多到了用set family的程度，所占空间我没数，想必不会太多，因为494x359它就用稀疏矩阵来存了，row和column都是排序的双链表。Espresso是1960年代写的，到1988年
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posted @ 2021-12-30 15:20
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摘要：gcc -w -c espresso.h 2021/12/29 23:07 18,915 espresso.h2021/12/29 23:12 1,561,284 espresso.h.gch To create a precompiled header file, simply compile i
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posted @ 2021-12-29 23:18
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摘要：Scotland had a strong will of its own yet, however. King Edward, determined that the Scottish King should not forget he was his vassal, summoned him r
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posted @ 2021-12-29 08:57
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摘要：有人在Verilog里用门写个复杂电路吗？Mostly RTL吧？用C/C++...写个simulator，当然不简单，可是像SystemC那样搞上一堆宏啥的，感觉和nginx这样的异步I/O比较类似。网络仿真好像是个学科。 在Verilog里写个 + , simulator还是用高级语言来做 +
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posted @ 2021-12-29 00:36
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摘要：Input:.i 4.o 10000 10001 00010 00011 00100 10101 10110 00111 11000 11001 01010 01011 11100 11101 01110 01111 1 Output:1-1101-1--00 高档、专业: .i 16.o 4000
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posted @ 2021-12-28 23:25
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摘要：King Edward being much renowned [获得声誉] for his sagacity [wisdom] and justice, it seems to have been agreed to refer [交给...处理] the dispute to him. He a
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posted @ 2021-12-28 22:25
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摘要：请看代码: from html.parser import HTMLParser # pip install html-parser from htmldom import htmldom # pip install htmldom import urllib.request import time
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posted @ 2021-12-28 17:43
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摘要：0. Java面试高端局都要问虚拟机的, Java虚拟机，不是KVM和Xen. 1. 我一个外行老头子，都会那么一丢丢: module m(input a, b, c); reg y; always @(a) begin $display("@(a)"); y=a; end always @(a,b
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posted @ 2021-12-28 12:49
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摘要：好书多, 好多书, 书好多 - 博客园 (cnblogs.com) An FPGA is a gate array where the logic network can be programmed into the device after its manufacture. An FPGA con
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posted @ 2021-12-28 09:17
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摘要：Structured Exception Handling (C/C++) | Microsoft Docs 结构化异常处理 (SEH) 是 Microsoft 对 C 的扩展……尽管 Windows 和 Microsoft c + + 支持 SEH，但建议使用 ISO 标准 C++ 异常处理。 t
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posted @ 2021-12-27 22:54
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摘要：agenda: 'things to be done'; agent: 'to drive, lead, act, move, do' An agenda is a list of meeting activities in the order in which they are to be tak
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posted @ 2021-12-27 22:33
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摘要：Minimizing Boolean functions by hand using the classical Karnaugh maps is a laborious, tedious and error prone process. It isn't suited for more than
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posted @ 2021-12-27 21:29
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摘要：下文的大字.html版 3KB 我们有4个逻辑变量a,b,c,d, 要用它们造出一个输出y来，即y=f(a,b,c,d). 先看简单的例子: f(0000)=1, f(0001)=1, f(其它)=0. 当abcd=0000时，~a & ~b & ~c & ~d = 1. 当abcd=0001时，~
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posted @ 2021-12-27 21:02
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摘要：D:\>t.py 4 variables A B C D 0 0 0 0 0 0 0 1 0 0 1 0 1 0 0 1 1 0 1 0 0 0 1 0 1 0 1 1 0 0 1 1 1 1 0 0 0 1 0 0 1 1 0 1 0 1 1 0 1 1 1 1 0 0 1 1 0 1 1 1 1
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posted @ 2021-12-27 17:42
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摘要：D:\Python39\Lib\site-packages>md zzD:\>python>>>import zz# 目录zz可以当module import，__init__.py不是必需的。 D:\Python39\Lib\site-packages\zz>type m.pydef p(): p
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posted @ 2021-12-27 16:21
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摘要：Out of bad things, good things sometimes arise. Out of this hanging of the innocent merchant, and the bloodshed and strife [冲突] it caused, there came
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posted @ 2021-12-27 08:24
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摘要：vvp的代码里出现了nb, GNU Chess里好多nb. 想起个笑话：老外说：你们中国人太不谦虚了！满大街的中国很行，中国工商很行，中国农业很行。切，中国人民也很行，那俩字念银行。:-)
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posted @ 2021-12-26 23:30
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摘要：大量C++书籍下载: c++ 20: free download. Ebooks library. On-line books store on Bookzz 大量机器学习书籍下载: machine learning: free download. Ebooks library. On-line b
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posted @ 2021-12-26 23:23
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摘要：Wales was now subdued. The Queen giving birth to a young prince in the Castle of Carnarvon, the King showed him to the Welsh people as their countryma
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posted @ 2021-12-26 21:48
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摘要：main h1=00000000 h2=00000000 main h1=009B0048 h2=00000000 main h1=009B0048 h2=009C0078 main h1=009B0048 h2=009C0078 coroutine: 0 @ 009B005C coroutine:
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posted @ 2021-12-26 19:23
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摘要：真正干事的是__builtin_coro_done, __builtin_coro_resume和__builtin_coro_destroy, coroutine_handle只是在void*外面包了一层。它没有析构函数，得去调destroy(). 它重载了(), h()等于h.resume()等
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posted @ 2021-12-26 15:50
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摘要：affix: 词缀; prefix: 前缀; suffix: 后缀 cholesterol: 胆固醇 chole 'choler' + stereos 'solid' + -ol [chemical compound]choler: great anger. 胆汁质的人常有精力旺盛、不易疲倦，但易冲
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posted @ 2021-12-26 11:35
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摘要：affluent: flow in large quantities; fluent: flow的现在分词(拉丁文); effluent: liquid waste, especially chemicals or sewage; flow out. 同近反义词: abundant, ample,
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posted @ 2021-12-26 11:06
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摘要：But the Welsh, although they were naturally a gentle, quiet, pleasant people, who liked to receive [接待] strangers in their cottages among the mountain
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posted @ 2021-12-26 10:39
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摘要：看雪-安全培训 ctf-wiki/README-zh_CN.md at master · ctf-wiki/ctf-wiki · GitHub CTF（Capture The Flag，夺旗赛）起源于 1996 年 DEFCON 全球黑客大会，是网络安全爱好者之间的竞技游戏。 作为一个自由的站点，围
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posted @ 2021-12-25 23:27
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摘要：vvp的代码很长，我们可以先看重点: lexor.lex, parser.y, compile.cc, delay.cc, event.cc, schedule.cc和main.cc。处理位向量，把它们拼来接去，每位有01xz四种状态等等比较无聊。有点像时序电路和组合电路: 组合电路当然也复杂，但有
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posted @ 2021-12-25 22:49
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摘要：Cadence Xcelium仿真环境搭建及常用Option总结_元直的博客 SystemC中文教程一@博客园 SystemC: an Introduction for beginners (electrosofts.com) SystemC恐怕前景堪忧。1. 现在就有systemc.org和sys
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posted @ 2021-12-25 19:16
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摘要：ffmpeg的安装目录下有个ffmpeg-all.html，巨长无比，下面是它的摘录。 ffmpeg [global_options] {[input_file_options] -i input_url} ... {[output_file_options] output_url} ... ffm
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posted @ 2021-12-25 17:41
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摘要：在 好懂的Quine-McCluskey算法 里我们知道所有的逻辑表达式，或者说任意的真值表，都可以用not, and和or来表示。 在电路里，除了x和y这样的变量外，我们还有常量1和0可用，即接正极VCC或接地GND. not(x) = nand(x, 1) and(x,y) = not(nand
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posted @ 2021-12-25 13:21
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摘要：To dismiss this sad subject of the Jews for the present, I am sorry to add that in this reign they were most unmercifully pillaged [掠夺]. They were han
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posted @ 2021-12-25 11:24
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摘要：试用Verilog中的=, <=和assign - 博客园 Synchronous sequential circuits do not process their Verilog statements in sequence within the always block. 我理解这句话的前提是用
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posted @ 2021-12-25 10:40
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摘要：1 module cpu(input reset, clk, input[0:55] rom); 2 reg[7:0] i; // instruction 3 reg[4:0] rf[2], pc; // register file and program counter 4 always @(re
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posted @ 2021-12-25 00:59
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摘要：https://dspace.mit.edu/handle/1721.1/16674 The core is approximately 27K gate count, runs at a maximum of 250 MHz, and is synthesized to a current sta
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posted @ 2021-12-24 21:12
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摘要：Karnaugh Map Solver (charlie-coleman.com) 最多10个变量，有js源码. 在右下角表里点，f会变。 class Petrick { constructor(minterms, maxterms, dontCares, dimension, variableNa
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posted @ 2021-12-24 20:21
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摘要：我这个第一个对，第二个不对: module flipflop(output q, q_, input set, enable, reset); wire er, es; and g1(er, enable, reset), g2(es, enable, set); nor g3(q, er, q_)
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posted @ 2021-12-24 18:20
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摘要：改编自Deepak Kumar Tala@www.asic-world.com和Shubham Singh的Verilog Fundamentals@csg.csail.mit.edu/6.375等。参考资料下载 3MB 面包板(Bread Board)和印刷电路板(Printed Circuit
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posted @ 2021-12-24 16:21
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摘要：用错assign的一个例子@博客园 .v: module my_circuit(output reg[7:0] c, input wire[7:0] a, b); // Remove/change 'reg' and 'wire' to see error messages like who can
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posted @ 2021-12-24 13:33
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摘要：近义词: ally, amalgamate, annex, band together, combine, confederate, connect, incorporate, link http://www.freethesaurus.com/affiliate The High School A
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posted @ 2021-12-24 09:12
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摘要：As the King his father had sent entreaties [请求] to him to return home, he now began the journey. He had got as far as Italy, when he met messengers wh
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posted @ 2021-12-24 08:51
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摘要：看fliplot的源码时看到若干新奇(对我而言)的东西，如： import { config, simDB} from "../main.js"; const WAVEARRAY = 0; export class Wave { constructor(waveTable) { setTimeout
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posted @ 2021-12-23 23:00
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摘要：窃以为: 多位的值的波形在改变时交叉下，交叉线只有装饰效果。变下0000和1010的颜色不就得了吗?! 搜了半天不知道正式的叫法。fliplot里分别叫bit和bus. 打log和改线的宽度证实了:
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posted @ 2021-12-23 22:41
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摘要：我刚学Verilog，说的自然是砖。说得可能不中听，会引来板砖，所以很机智地没有开放评论。请看代码和注释： // User Defined Primitives primitive xor_cell_level(output c, input a, input b); table // truth
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posted @ 2021-12-23 20:31
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摘要：The Windows Projected File System (ProjFS) allows a user-mode application called a "provider" to project hierarchical data from a backing data store i
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posted @ 2021-12-23 17:20
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摘要：affection的意思单一: feeling of fondness, love or caring. 如果考试考了"疾病, 病情"的词义: 1. 牛津标的是(dated 旧); 2. 朗文和柯林斯根本没这个词义。 affect的词源是influence, cause sb/sth to chan
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posted @ 2021-12-23 13:36
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摘要：A romantic affair, also called an affair of the heart, may refer to sexual liaisons [交流] among unwed or wedded [未婚或已婚] parties, or to various forms of
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posted @ 2021-12-23 13:15
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摘要：A Brief Introduction to Verilog by Sat Garcia Verilog Tutorial@riptutorial.com Ways To Use Verilog: Structural/Lower Level has all the details in it (
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posted @ 2021-12-23 11:00
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摘要：CHAPTER 1 ENGLAND UNDER EDWARD THE FIRST, CALLED LONGSHANKS It was now the year of our Lord one thousand two hundred and seventy-two; and Prince Edwar
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posted @ 2021-12-23 08:58
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摘要：So, on a day that was agreed upon, he said to his attendants after dinner (being then at Hereford), 'I should like to ride on horseback, this fine aft
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posted @ 2021-12-23 08:43
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摘要：假设我们要做个电路，输入为0到3的数，输出为4盏灯ABCD。输入为0时只有A灯亮，为3时只有D灯亮。它是个2-4 Decoder，输入XY两根线，输出ABCD4根线。输入不叫High和Low的原因后面会提到。 下面是用Verilog写的Encoder，懒得写Decoder了，大同小异: module
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posted @ 2021-12-22 10:38
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摘要：MemoryCache 如何清除全部缓存？ c# - How to clear MemoryCache in ASP.NET Core? - Stack Overflow Clear Caching in Asp.net MVC: remove memory cache from server (w
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posted @ 2021-12-21 23:52
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摘要：把GNU Chess 6.2.9像SQLite那样合并成了3个文件: 284 chess-boring.cpp 8387 chess.cpp 77 chess.h 8748 total 它是个支持UCI的引擎，在stdin读入命令，计算后输出到stdout. 我把限制时间的代码删掉了，改成了只限制深
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posted @ 2021-12-21 23:21
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摘要：Taken from Chess Programming 已经有人用JavaScript做过了，8x8真好:-) Online Resources A step-by-step guide to building a simple chess AI by Lauri Hartikka, freeCo
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posted @ 2021-12-21 19:54
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摘要：美语里也可拼成esthetic. 词源: experience with the senses. aesthetics: 美学, 美语可拼成esthetics. Aesthetics is a branch of philosophy that deals with the nature of be
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posted @ 2021-12-21 18:44
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摘要：有时我们想把自己的"网站"copy给别人，它有一大堆小文件，很不清爽。给人一个httpd.py和data.zip不好吗？下面的代码能做到： import os import sys from zipfile import ZipFile zf = ZipFile('fliplot.zip', 'r'
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posted @ 2021-12-21 17:03
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摘要：用ctypes模块是可以的。但是也可以去system("getopenfilename.exe"): tdm-gcc-10.3.0.exe 61,647KB. 自带了Windows的头文件和库。 #define WIN32_LEAN_AND_MEAN #define VC_EXTRALEAN #de
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posted @ 2021-12-21 16:35
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摘要：全部文件在这里。无需上网即可使用，自带了jquery.min.js等。页面最下面有作者信息, 不是我做的, 我只是下载删减压缩了一番。不好意思少了行 port = int(sys.argv[1]) What is a Value Change Dump (VCD) file? 博客园 python可
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posted @ 2021-12-21 08:57
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摘要：# sys.path -- module search path. sys.path.append(os.path.join(here, '..')) from fliplot.core import parseFileapp = Flask('fliplot') 今天改一个程序，在原先的文件夹里好
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posted @ 2021-12-20 23:53
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摘要：今天jquery-ui和jquery配合出错：Uncaught TypeError: Cannot read property 'step' of undefined 这里说是因为用了jquery的slim版，没那个函数了。可我用的不是slim版。反正换版本呗。 这里是新浪的CDN. 折腾了一会，还
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posted @ 2021-12-20 21:55
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摘要：首先要知道less: @width: 10px; @height: @width + 10px; #header { width: @width; height: @height; } 转换为CSS: #header { width: 10px; height: 20px; } 功能倒是强了，不过我
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posted @ 2021-12-20 20:23
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摘要：JavaScript和C都是编程语言。运行库和语言是两码事，如C的fopen和fprintf; JS在浏览器里运行的时候，可以调用alert()和console.log(). C是编译型语言，编译成.exe后单独运行；JS则需要个解释器/虚拟机(Virtual Machine)/引擎。 微软有自己的
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posted @ 2021-12-20 19:46
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摘要：[stackoverflow] Q. I have seen an HTML code like this for the ID attribute: id="t1:c3" Can someone explain this to me? What is the purpose of the colo
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posted @ 2021-12-20 16:35
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摘要：https://files.cnblogs.com/files/blogs/714801/iverilog-12.0-windows.7z 5,536KB 不带GTKWave. 玩玩在console看01就行。还有$dumpvars和$monitor呢。 Icarus Verilog is avai
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posted @ 2021-12-20 14:05
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摘要：6.111 Fall 2017 (mit.edu) MIT的网站，有不少资料可供下载。
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posted @ 2021-12-20 13:32
华容道专家
摘要：补充: 今天干别的事情时发现D:\Python39\Lib\site-packages\Verilog_VCD\下没有__init__.py，我当初from Verilog_VCD import *咋work的？目前合理的解释是：当初把Verilog_VCD.py复制到当前目录下了。不是因为发现找不
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posted @ 2021-12-20 11:13
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摘要：It would require a great deal of writing on my part, and a great deal of reading on yours, to follow the King through his disputes with the Barons, an
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posted @ 2021-12-20 08:22
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摘要：Verilog is a Hardware Description Language (HDL) used to model digital logic. The values of signals can be written out to a Value Change Dump (VCD) fi
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posted @ 2021-12-20 08:10
华容道专家
摘要：Icarus Verilog的使用 博客园 test.vcd是文本文件！看文本比看波形习惯多了。 #16 b110 ! b110 % b1000000 # b1000000 $ dsn也是文本文件！the compiler can generate an intermediate form call
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posted @ 2021-12-20 00:24
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摘要：搜(通过网页链接打开应用程序)，有许多信息。HTTP是一种协议，ftp等也还没死。Windows, Android和mac OS下，都可以注册自己的协议，比如wdxy://... 我的协议:-)) Windows下就是改注册表喽，别的原理也差不太多。 有意思的是当没安装客户端时，网页里可能有个定时器
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posted @ 2021-12-19 23:43
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摘要：It was easy to make oaths, and easy to break them; and the King did both, as his father had done before him. He took to his old courses again when he
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posted @ 2021-12-19 22:46
华容道专家
摘要：Synthesis: Verilog Gates - MIT OpenCourseWare Icarus Verilog的使用 博客园 Icarus Verilog for Windows (bleyer.org) Verilog 环境搭建 | 菜鸟教程 SPICE简史 - 回声小站 - 博客园 O
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posted @ 2021-12-19 19:01
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摘要：As of 2 September 2017 GNU Chess 5.60 is rated at 2813 Elo points (when using one CPU) on CCRL's 40-moves-in-40-minutes list. For comparison, the stro
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posted @ 2021-12-19 10:23
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摘要：https://github.com/pytorch/pytorch PyTorch is a Python package that provides two high-level features: Tensor [张量] computation (like NumPy) with strong
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posted @ 2021-12-19 08:00
华容道专家
摘要：AI vs. Machine Learning vs. Deep Learning vs. Neural Networks: What’s the Difference? | IBM 摘要: Deep Learning就像最新式的手机/电脑CPU，游戏等等，好的很。可CPU早就有了，超级玛丽、魂斗罗
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posted @ 2021-12-18 21:56
华容道专家
摘要：Automate Debugging with GDB Python API | Interrupt (memfault.com) 事前： 事后: D:\gcc\gdb32\bin>gdb32 GNU gdb (GDB) 10.2 Copyright (C) 2021 Free Software F
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posted @ 2021-12-18 21:42
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摘要：What is Deep Learning? | IBM 摘要: Deep learning is a subset of machine learning, which is essentially a neural network with three or more layers. Deep
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posted @ 2021-12-18 21:23
华容道专家
摘要：线性回归和非线性回归是统计学里的概念。机器学习(百度百科) 非线性回归(百科) | Machine Learning [Python] – Non-linear Regression (geekering.com) | NonlinearRegression.dvi (toronto.edu) y(
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posted @ 2021-12-18 20:16
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摘要：test_and_set是这个意思： /* UINT32& u = hb[h >> 5]; const UINT32 m = 1 << (h & 0x1f); const UINT32 seen = u & m; u |= m; // test_and_set */ #include <iostre
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posted @ 2021-12-18 19:48
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摘要：比如我在博客园里写帖子，用IrfanView打开了一个.jpg文件，在里面复制，在博客园的TinyMCE里粘贴，发帖后发现图片变成了.png，既不是.jpg，也不是.bmp. 其原理是什么呢？ HTML5里有ClipboardEvent.clipboardData，通过它可以。Flash好像也可以，
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posted @ 2021-12-18 19:28
华容道专家
摘要：超快只是和我自己用python写的比而已。再写搜索就剁手。g++ -O3 pushbox.cpp Sorry，起个耸人听闻的标题骗点击。 // @ = man; $ = box; * = goal; # = wall; floor is represented by ' ', '-' or '_'
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posted @ 2021-12-18 17:07
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摘要：''' N = 2097152 0.0455327033996582 0.9995155334472656 0.9995260238647461 0.9997577667236328 起因是做推箱子游戏，想把箱子们的坐标hash下。如6个箱子，每个的x和y 都是0~31(一个字节有10位就好了)。上
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posted @ 2021-12-17 15:33
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摘要：aerial, antenna An aerial work platform (AWP), also known as an aerial device, elevating work platform (EWP), bucket truck or mobile elevating work pl
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posted @ 2021-12-17 10:31
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摘要：The Black Band never blushed, or they might have blushed at this. They knocked the Smith about from one to another, and swore at him, and tied the Ear
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posted @ 2021-12-17 09:09
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摘要：一个超简单的Microsoft Edge Extension - Fun_with_Words - 博客园 (cnblogs.com) 能在每个页面里注入JS代码，那我们有啥不能干的？我们可以弹出个窗口，输入编辑JS代码，然后在网页内执行。Ladies and gentlemen, I give y
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posted @ 2021-12-16 23:30
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摘要：界面程序很短。引擎不是我写的，棋力不是很强——但我写不出来，正在学GNU chess的源码。 全部文件: https://files.cnblogs.com/files/blogs/714801/ccib.zip 引擎是可以换的，如 象棋旋风官方网站--中国象棋第一AI智能引擎 (ccyclone.
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posted @ 2021-12-16 21:03
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摘要：# -*- coding: utf-8 -*- # 94个区，每个区94个汉字/符号/python会throw exception的东东 # 内码 := <区码+0xa0> <位码+0xa0>, little endian. 0xa0+94=0xfe # 汉字从1601(啊)开始，它的内码是B0 A
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posted @ 2021-12-16 10:40
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摘要：脑袋发懵走了点弯路，记下来： import subprocessengine = subprocess.Popen([wd + 'ELEEYE.EXE',]) ... from subprocess import *engine = subprocess.Popen([wd + 'ELEEYE.EX
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posted @ 2021-12-15 16:28
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摘要：24行Verilog写了个电脑:-) 博客园 《从美国1890年人口普查到IBM公司的崛起——浅谈机械式计算机的历史贡献》《“分析计算机”的三种基本设备与通用计算机体系结构的源流》。 The Punched Card Tabulator 下面是穿越小说《临高启明》中的片段[在原文里查找 命题 ]：
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posted @ 2021-12-15 13:52
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摘要：The Protectorship was now divided. Peter de Roches, whom King John had made Bishop of Winchester, was entrusted with the care of the person of the you
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posted @ 2021-12-15 09:29
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摘要：用了HTML5里的canvas. 这个"游戏"的”玩法“是： 改迷宫折腾电脑 改程序折腾自己:-)。我自以为程序挺简明，注释挺多，比如： // 全局变量坑死人，这里曾经少个var // 虽然直接drawImage有时能出来，但这么做绝对必要。坑了我好长时间。 单.HTML文件146行，包括数张嵌入式
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posted @ 2021-12-14 21:55
华容道专家
摘要：阿里程序员先向美国报告安全漏洞@博客园 不及时通报工信部@博客园 Log4j漏洞原理解析及复现@博客园 1. 窃以为这个漏洞算不上史诗级，黑客干不了啥 2. 如果认为是史诗级，也很好，安全意识强。那就同时向工信部和美国报告，最好先报告工信部，后者晚点 3. 悄悄地只向美国报告，倒也罢了，别发通告：“
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posted @ 2021-12-14 10:52
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摘要：#include <vector> #include <stdio.h> struct X : public std::vector<int> { void print() const { printf("%p ", this); } }; void fn1(X x) { x.print(); }
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posted @ 2021-12-14 07:03
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摘要：大量IT电子书下载: Bookzz - Bookzz.org Alternatives Site 这个比微软官网上的例子简单很多，适合入门。总共4个文件: https://files.cnblogs.com/files/blogs/714801/cet6wordpicker.zip 36KB 1.p
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posted @ 2021-12-13 23:18
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摘要：别琢磨画棋子了。我们是程序员，又不是美工。真想画不如学Photoshop. https://files.cnblogs.com/files/blogs/714801/chess-pic.zip 有些互联网公司真是小家子气啊。 象棋资源 - 象棋百科全书 (xqbase.com) 附带源程序的: El
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posted @ 2021-12-13 14:25
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摘要：https://pe-cn.github.io/ ”欧拉计划是一系列有挑战性的数学与计算机编程题；要解开它们，需要的不止是数学知识：尽管数学能够帮助你找到一些优雅而有效的方法，大多数题目仍需要借助计算机和编程技巧来完成解答。 创立欧拉计划的初衷，以及不断维持其运行的动力，在于为好奇的头脑提供一个平台
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posted @ 2021-12-13 13:42
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摘要：advocate 词源: summon[召唤], call. 有点像号召：吹号召集。 If you play devil's advocate in a discussion or debate, you pretends to disagree with someone in order to h
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posted @ 2021-12-13 10:21
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摘要：CHAPTER 15 ENGLAND UNDER HENRY THE THIRD, CALLED, OF WINCHESTER If any of the English Barons remembered the murdered Arthur's sister, Eleanor the fair
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posted @ 2021-12-13 09:23
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摘要：今天用git下载东西很慢，把URL的https改http，很快就下好了。 有些新闻类网站真是吃饱了撑的：我手工把https改http，它还非https不可。[修改:可能不是网站而是浏览器的原因，请看后面] https不给自己的服务器增加负担吗？又不是网银。要是有个专用的网银浏览器就好了。https.
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posted @ 2021-12-12 08:55
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摘要：# Numba translates Python functions to optimized machine code at runtime using the industry-standard LLVM compiler library. # Numba-compiled numerical
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posted @ 2021-12-11 10:34
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摘要：有时候加载X.dll失败，而它明明就在那里。原因可能是X.dll用了Y.dll，而Y.dll不在。 dumpbin/imports可看到某个.exe或.dll用了哪些.dll。dumpbin/?看帮助。 dumpbin.exe需要link.exe, link.exe需要mspdb60.dll。下面的
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posted @ 2021-12-11 09:49
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摘要：On Monday, the fifteenth of June, one thousand two hundred and fourteen, the King came from Windsor Castle, and the Barons came from the town of Stain
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posted @ 2021-12-11 08:58
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摘要：advent和adventure的词源分别是arrival和arrive。 embark on a hair-raising adventure. adventurer/adventuress: 冒险家. adventurous/adventurously: 爱冒险/惊险的地 An adventur
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posted @ 2021-12-10 23:12
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摘要：import bdb import linecache class Cdb(bdb.Bdb): def __init__(m, skip=None): print('''<html><style> *{font: 10pt "Source Code Pro", Hack, mono} b{color
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posted @ 2021-12-10 20:31
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摘要：# -*- coding: gbk -*- # 1. 到www.runoob.com/python/python或www.w3school.com.cn/python/index.asp学基本语法 # 2. 到这里(不定期更新)学中级语法，让程序更有python味。 # 3. 算法+数据结构=程序，
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posted @ 2021-12-10 18:55
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摘要：As there was nothing that King Philip desired more than to invade England, he collected a great army at Rouen, and a fleet of seventeen hundred ships
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posted @ 2021-12-10 16:18
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摘要：此贴长、有趣、信息量大。发报员按住键时收报员听到声音，放开键时声音消失。如果按键持续1ms代表0, 2ms代表1, ..., 65536毫秒代表65535，这个通信系统里的symbol就是16个位。它的问题：1. 发送65535这一个symbol耗时一分钟；2. 收报员哪能分清1ms和2ms？ Mo
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posted @ 2021-12-10 12:03
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摘要：# C调用python. search(Calling Python Functions From C PyObject Py_XDECREF Py_XINCREF). # # SetWindowsHookEx，回调函数用Python写: https://www.cnblogs.com/funwit
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posted @ 2021-12-10 09:55
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摘要：# termcolor outputs stuff like '\033[0m'. It doesn't work in Windows 10's cmd. class Color: kernel32 = hStdOut = None def init(): import ctypes Color.
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posted @ 2021-12-10 07:14
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摘要：# search(Using Python to build a spy program Develop Paper) def whatis(x, verbose = 0): print(x, 'is a ', end=''); x = eval(x); print(type(x), end='')
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posted @ 2021-12-09 22:33
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摘要：补充: print(f"{x= }"); 我又土了。 比如我们想有这么一个函数，其用法是：pr(x)，输出是x = 3。我们需要从x得到'x'这个字符串。 我写了个很土的： def whatis(x, verbose = 1): print(x, 'is a ', end=''); x = eval
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posted @ 2021-12-09 20:55
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摘要：advance, advantage, advertise advance和advantage的词源都是before. 如果别人都向前一步，而你原地不动，他们就到了你的前面，有了advantage. get the start of: gain an advantage over. 起跑线领先。 b
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posted @ 2021-12-09 16:20
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摘要：六级/考研单词: prestige, tentative, talent, medium, sponsor, brand, advertise, slot, notify, brochure, cater, podcast, irrespective, outdoor, digit, geograp
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posted @ 2021-12-09 16:06
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摘要：乘法原则：如果一件事分两个步骤，第1步n种方式，第2步m种，那么共有n*m种。例如第一步有好好工作挣钱、卖左肾、卖右肾3种方式，第二步有网上买和实体店买，共计6种。 如果一件事分两个步骤，第一步0种方式，第二步1种，那么有0*1=1种。哎，0 and 1也是0哎。还有true and false.
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posted @ 2021-12-09 10:19
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摘要：The news of this atrocious [awful] murder being spread in England, awakened a hatred of the King (already odious [obnoxious] for his many vices, and f
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posted @ 2021-12-09 10:13
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摘要：adopt 词源: choose. [afth.org] What's The Difference Between Foster Care And Adoption? Adoption is forever, foster children often reunite with their bir
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posted @ 2021-12-08 23:39
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摘要：Python有线程。import threading; class EventLoopThread(Thread): def run(self): ... import asyncore class EchoHandler(asyncore.dispatcher_with_send): def ha
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posted @ 2021-12-08 16:54
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摘要：module Python { mod = Module(stmt* body, type_ignore* type_ignores) | Interactive(stmt* body) | Expression(expr body) | FunctionType(expr* argtypes, e
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posted @ 2021-12-08 16:28
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摘要：开通JS权限后能干啥？请看侧边栏公告、页首和页脚的演示：算24、胡几张、计算器。可以做个漂亮的时钟。 如何开通JS权限？管理-设置-JS权限，申请。管理员很nice，很痛快地给开通了。博客侧边栏公告，页首HTML代码，页脚HTML代码自己填。 开通JS权限会增加博客园网站的负担？.html文件肯定会
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posted @ 2021-12-08 15:59
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摘要：adult是adolescere (grow up)的过去分词。 egg - embryo [胚胎] - foetus [就要出生的胎儿] - toddler [刚会走路] - adolescent (12~18) | teenager (13~19) - adult Biologically [生
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posted @ 2021-12-07 22:00
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摘要：'Arthur,' said the King, with his wicked eyes more on the stone floor than on his nephew, 'will you not trust to the gentleness, the friendship, and t
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posted @ 2021-12-07 19:29
华容道专家
摘要：RTSP基于TCP传输请求和响应报文，RTP基于UDP传输流媒体数据，RTCP基于UDP传送传输质量信息(如丢包和延迟)。 比如喀什一个局域网内10个人同时点播广州的同一个源，喀什和广州之间就要传10x4Mbps的数据。1. 是为讨论下文编的; 2. 4Mbps算不上高清。 在局域网和城域网之间有个
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posted @ 2021-12-07 09:46
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摘要：struct 音符 { int nPai; // 拍子数。nPai * per_pai_millisec得到毫秒。 int volume; // 音量 int note; // 音符，比220 Hz复杂，多组正弦波};音符 music[]; music分成小节。像一个很长的函数，若干组语句用空行分隔
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posted @ 2021-12-07 09:40
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摘要：# 1-((2+3)*4) = -19ptns = ''' N?N?N?N N?N?(N?N) N?(N?N)?N N?(N?N?N) N?(N?(N?N)) N?((N?N)?N) (N?N?N)?N (N?(N?N))?N ((N?N)?N)?N'''.splitlines() def perm
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posted @ 2021-12-06 19:55
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摘要：我想知道有哪些牌型能和好几张牌，所以编了程序来算。做法是：123456789 + 类C(9, 4)，检查是否能能和。下面的代码生成类C(9, 4): cnt = 0; combo = set() for a in range(1, 10): for b in range(1, 10): for c
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posted @ 2021-12-06 16:45
华容道专家
摘要：用过n-gram但没用好，所以改行了。没事瞎琢磨的： n-门问题用来面试不坏。 什么叫句子的概率？设一个语言有10个句子，某个句子100%属于这个语言，P(该句子)=0.1而不是1，因为还有别的句子呢，句子们的概率和是1. 不过在比较句子的概率时，可以大家都放大一个倍数，免得一堆小数字乘到最后成了0
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posted @ 2021-12-06 12:42
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摘要：CHAPTER 14 ENGLAND UNDER KING JOHN, CALLED LACKLAND At two-and-thirty years of age, John became King of England. His pretty little nephew Arthur had t
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posted @ 2021-12-06 10:02
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摘要：一些草率不精确的观点： 并发: 一起发生，occurence: sth that happens。 并行: 同时处理. parallel lines: 平行线。thread.join()之前是啥？落霞与孤鹜齐飞，秋水共长天一色。小霞与小鹜并发下单，线程1与线程2并行处理。并发是要被处理的，并行是处理
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posted @ 2021-12-06 09:57
华容道专家
摘要：在VC里我们： #include <windows.h> DWORD dwNumberOfBytesWritten; int main() { HANDLE hStdOut = GetStdHandle(STD_OUTPUT_HANDLE); WriteFile(hStdOut, "Hello Wo
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posted @ 2021-12-05 21:10
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摘要：从 模仿UP主，用Python实现一个弹幕控制的直播间！ - 蛮三刀酱 - 博客园 (cnblogs.com) 知道了 PyAutoGUI: * Moving the mouse and clicking in the windows of other applications.* Sending
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posted @ 2021-12-05 15:38
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摘要：search(诊断试验中的贝叶斯定理：检验阳性就一定患病了吗？); search(Bayes' rules, Conditional probability, Chain rule) 10天的统计表： 天 1 2 3 4 5 6 7 8 9 10 乌云 c c c c c Cloud 下雨 r r
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posted @ 2021-12-05 14:21
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摘要：问题：三扇门，只有一扇门后面有奖品。你随便选择了一扇门。然后主持人打开了另一扇门，里面是空的。他问你"换不换？" 换还是不换的中奖率高？答案：换的中奖率是2/3，不换的中奖率是1/3。注意：主持人必定打开空门。他知道哪扇门有奖品。他不会打开你选择的门。 如果选择不换，即忽略主持人，中奖率是1/3。如
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posted @ 2021-12-05 10:25
华容道专家
摘要：'Knave [man without honor]!' said King Richard. 'What have I done to thee [you] that thou [you] shouldest [should] take my life?' 'What hast thou [hav
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posted @ 2021-12-05 07:57
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摘要：我想用python做个tiny BASIC编译器。赋值和加减乘除，IF和FOR。 语法分析python有ply包，用ply.lex和ply.yacc做个计算器很简单，我已经做了。 做个解释器应该也不难。但解释器和编译器之间还差着代码生成呢。一来看书，二来用python的dis包看"汇编"形式的byt
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posted @ 2021-12-04 23:59
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摘要：admire 当别人admire你时，小心掉进泥潭(mire)。词源:to wonder. wonderful夸人，awful骂人，awesome夸人。admiral与admire词源不同，碰巧长得像。 近/反义词: adore, awe, esteem; abhor, detest 1. If y
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posted @ 2021-12-04 23:23
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摘要：But he was shipwrecked in the Adriatic Sea, and was fain [happy, willing] to pass through Germany, under an assumed name [pseudonym]. Now, there were
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posted @ 2021-12-04 20:14
华容道专家
摘要：ffmpeg是个音视频转换软件。比如你有个good_movie.avi文件，你可以用ffmpeg.exe把里面的音轨抽出来保存为.mp3, .m4a等文件。你还可以把分辨率从1920x1080(1080p)变成720p、提高压缩比，最终减少文件的大小(以图像变模糊为代价)。ffmpeg调用一大堆库(
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posted @ 2021-12-04 19:17
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摘要：sqlite3.c, 237436行 = 全部源文件，找东西比多文件查找方便多了:-)，字符串查找一点都不慢。 不要太害怕，SQLite说它的代码里有非常多是用来做数据完整性检查和测试的。但愿B树，虚数据库引擎之类的不是太长。 /***********************************
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posted @ 2021-12-04 17:15
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摘要：最邻近插值算法和双线性插值算法——图像缩放 ...如果原图为5*5，缩放后的图为3*3，那么缩放后的图的像素点(1,1)对应的就是原图中([5/3 * 1], [5/3 * 1]) = ([0.6], [0.6]) = (1,1) 像素点对应的像素值... 图像插值算法总结 ...自适应的方法可以根
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posted @ 2021-12-04 16:56
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摘要：能用鼠标拉着转。 https://files.cnblogs.com/files/blogs/714801/%E7%A9%BA%E9%97%B4%E5%87%A0%E4%BD%95.7z var points = { A: [0, 0, 0], C: [20, 0, 0], B: [20, 0, 1
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posted @ 2021-12-04 16:42
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摘要：大中小[1] → [2] 大中[1] 小[2] 大中[1] → [3] 大[1] 中[3] 小[2] → 中[3] [2] 中小[3] 大[1] → [2] [1] 大[2] 中小[3] → [1] 中[3] 小[1] 中[3] → 大[2] [3] 大中[2] 小[1] → 大中[2] [1] 大
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posted @ 2021-12-04 16:19
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摘要：QEMU is a generic and open source machine emulator and virtualizer. 一般来说，emulator可以在x86上纯软件跑arm，virtualizer在同种architecture上跑，像add eax, ebx这样的直接在硬件上跑。
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posted @ 2021-12-04 11:43
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摘要：import ply.lex as lex # pip install ply import ply.yacc as yacc from functools import reduce tokens = ('WORD',); t_WORD = r'\w+'; literals = (':', ';'
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posted @ 2021-12-04 11:09
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摘要：got NUM(1) Is NUM(1) an expr? Is NUM(1) a term? Is NUM(1) a number? is_term got -(-) -(-) was back is_expr got -(-) is_expr got NUM(2) Is NUM(2) an ex
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posted @ 2021-12-03 20:36
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摘要：「回顾旧贴，以前不知道sympy，如今sympy用的还算可以，但没啥人对这个感兴趣。」 请先看下 https://www.cnblogs.com/funwithwords/p/15635065.html 可以边干边学：1. PLY (Python Lex-Yacc)的文档和源码。PLY is a p
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posted @ 2021-12-03 10:45
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摘要：Factorization or factoring consists of writing a number or another mathematical object as a product of several factors, usually smaller or simpler obj
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posted @ 2021-12-02 23:47
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摘要：(x - 1)(x2 + x + 1) = x3 - 1 1 import ply.lex as lex # pip install ply 2 import ply.yacc as yacc 3 4 def parse(s): 5 t = {} 6 tokens = ('NUM', 'VAR');
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posted @ 2021-12-02 20:17
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摘要：如果先给学生讲一点汇编，再讲一点C，再一点C++或其它OOP语言，再一点python或其它脚本语言，最后甚至一点机器学习框架，那会怎样？ 学生肯定喊“爽！”啊。几十行我就能整个人脸识别出来。在PUSHA和POPA出现之前，几十行汇编就够保存和恢复寄存器用。 然后想学的再深耕，不想学的直接调参，或者做
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posted @ 2021-12-02 13:02
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摘要：A few could not resolve to do this, but the greater part complied. They made a blazing heap of all their valuables, and, when those were consumed, set
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posted @ 2021-12-02 11:04
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摘要：字符串层面：add(35, 2)写成+352不行，得+35空格2, +35 2. 3+5空格*2=8*2=16; 3+空格5*2=3+10=13. 3+5 *2, 3 +5*2，机器无所谓，人主子受不了“喵了个去，这有个空格？！” token流层面：+ opnd * opnd opnd和opnd +
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posted @ 2021-12-02 08:26
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摘要：Search(c++在线运行). 有的网站很慢——不是下面的程序有问题。 #include <string.h> #include <stdio.h> #include <new> typedef unsigned char byte; struct C1 { char m_str[5]; C1(c
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posted @ 2021-12-02 00:27
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摘要：CHAPTER 13 ENGLAND UNDER RICHARD THE FIRST, CALLED THE LION-HEART In the year of our Lord one thousand one hundred and eighty-nine, [北宋: 960~1127] Ric
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posted @ 2021-12-01 17:19
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摘要：https://cn.bing.com/search?q=8+queens+92 1 # -*- coding: gbk -*- 2 # 把棋盘看成8根木条。判断斜线时滑动木条。 3 mask = list(map(lambda n:1<<n, range(15, 7, -1))) 4 b = 8
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posted @ 2021-12-01 15:27
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