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Zhai Can bczhc

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  • Jiangsu, China
  • 04:55 (UTC +08:00)
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@bczhc
bczhc / a.cpp
Created April 29, 2024 16:21
SIMD玩弄
// set(CMAKE_CXX_FLAGS "-mavx -mavx512vl -mavx512dq")
#include <cstdint>
#include <cstddef>
#include <cstdlib>
#include <cstdio>
#include <iostream>
#include <xmmintrin.h>
#include <cmath>
#include <immintrin.h>
@bczhc
bczhc / exif
Last active April 27, 2024 15:26
安卓早期App图标 Exif
ExifTool Version Number : 12.76
File Name : ic_launcher.png
Directory : .
File Size : 19 kB
File Modification Date/Time : 2024:04:27 23:24:33+08:00
File Access Date/Time : 2024:04:27 23:24:35+08:00
File Inode Change Date/Time : 2024:04:27 23:24:33+08:00
File Permissions : -rw-r--r--
File Type : PNG
File Type Extension : png
@bczhc
bczhc / Casio 991 CN X study
Created April 24, 2024 07:17
Casio 991 CN X study
110an:
5行+14
124an:
7行+5
栈的存取是两字节对齐的,an的偏移只能为偶数。栈顶也要为奇数!!!
F. xx xx xx xx xx yy xx x10 xx (后8个字符)
@= 1.0000 xx xx xx yy xx x10 xx (前6个字符)
*注意:标注yy的地方,不能含16进制的字母,并且,14个字符必须打满!
@bczhc
bczhc / a.md
Created April 13, 2024 05:59
高中时试出来的991CN X简便乱字+异常菜单

由于当时发的帖不是很好找(现在不怎么用百度贴吧了,百度里搜我的id也搜不到),往这记一份。

简便乱字+异常菜单
刷an,光标移到an左边
由于电脑不在身边,所以只能用纯文字叙述了,输入就是在数学模式下。
六个分数线,从上到下分别是√11,√(11√(11)),11,11,11,11
然后按=,6除2,八个左括号,2+1,=,AC
此时就乱字+异常菜单。菜单,科学常数,单位换算和复位都有乱字,但是不完全,有的还是原来的。
这个模式容易死机,设置中不能下翻,否则死机;菜单中貌似右键没用,左键只能按最低三下,否则死机。计算也会死机。
@bczhc
bczhc / a.rs
Created March 25, 2024 13:33
读Exif GPS数据,生成Google kml的关键xml
use std::collections::HashMap;
use std::fs::File;
use std::io::stdin;
use std::path::Path;
use rexif::{ExifEntry, ExifTag, TagValue, URational};
#[derive(Debug)]
struct GpsInfo {
latitude: f64,
@bczhc
bczhc / a
Created March 6, 2024 06:25
Crypto
昔有加密之市,近期尤见狂热,诸币种如离弦之箭,一夜之间涨幅惊人。众人皆以为得金。然而,市场之本质,如同浮云,变幻莫测,今日之富贵,或成明日之泡影。
@bczhc
bczhc / a.md
Last active March 5, 2024 08:27
Receive ADS-B with Airspy on Android, and show on tar1090 (in Termux)
@bczhc
bczhc / a
Last active March 2, 2024 05:13
闲鱼260买的4T硬盘 smartctl
~ ❯ sudo fdisk -l /dev/sda 13:13:04
Disk /dev/sda: 3.64 TiB, 4000787030016 bytes, 7814037168 sectors
Disk model: EJRX-89T1XY0
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disklabel type: gpt
Disk identifier: EA284CF3-B8EE-4670-AE35-85842648BA0D
Device Start End Sectors Size Type
@bczhc
bczhc / a.md
Last active March 5, 2024 07:53
Termux: grant USB permission and run
@bczhc
bczhc / a.md
Created February 23, 2024 09:15
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