sudo pacman -S ntfs-3g
lsblk
sudo mount /dev/sdx1 /mnt
b1tg
/ scale_mm_example.py
Created
October 24, 2025 14:28
— forked from malfet/scale_mm_example.py
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| import torch | |
| import torch.nn.functional as F | |
| def to_float8(x, dtype=torch.float8_e4m3fn): | |
| finfo = torch.finfo(dtype) | |
| # Calculate the scale as dtype max divided by absmax | |
| scale = finfo.max / x.abs().max().clamp(min=1e-12) | |
| # scale and clamp the tensor to bring it to | |
| # the representative range of float8 data type | |
| # (as default cast is unsaturated) |
b1tg
/ jax_promo.py
Created
September 10, 2025 12:56
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| #!/usr/bin/env python3 | |
| # -*- coding: utf-8 -*- | |
| """ | |
| Compare JAX dtype promotion against tinygrad, including FP8 pairs. | |
| - Shows JAX result_type(a,b) vs tinygrad.least_upper_dtype(a,b) | |
| - Covers fp8e4m3/fp8e5m2 with {fp8, f16, bf16, f32, f64} and int64/uint64 combos | |
| Usage: | |
| python3 jax_promo.py |
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| // https://cloud.tencent.com/developer/article/1116151 | |
| // https://stackoverflow.com/questions/13652319/decode-netbios-name-python | |
| // When correctly reversed, Netbios_Name should output in ASCII : "TESDTDDSSS" | |
| const NetbiosName: &str = "\x46\x45\x45\x46\x46\x44\x45\x45\x46\x45\x45\x45\x45\x45\x46\x44\x46\x44\x46\x44\x43\x41\x43\x41\x43\x41\x43\x41\x43\x41\x43\x41"; | |
| fn netbios_encode(input: &str) -> Vec<u8> { | |
| let mut res: Vec<u8> = vec![]; | |
| for c in input.bytes() { | |
| res.push(c/0x10+0x41); | |
| res.push(c%0x10+0x41); |
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| wget -L https://github.com/jinfeihan57/p7zip/archive/refs/tags/v17.04.zip | |
| #7z x v17.04.zip | |
| unrar -x v17.04.zip | |
| cd p7zip-17.04/ | |
| make 7z | |
| ./bin/7z |
b1tg
/ x265-not-found.md
Last active
August 31, 2020 00:56
ERROR: x265 not found using pkg-config on Ubuntu 20.04
rebuild the x265 source not work for me.
my solution:
0x00. find "x265.pc"
sudo find / -name "x265.pc"
b1tg
/ security.txt
Created
January 27, 2020 11:05
— forked from rava-dosa/security.md
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| 01000011x10001000x000100000100x010000010010 | |
| ShellScript | |
| https://www.shellscript.sh/ | |
| Acl | |
| http://www.gsp.com/cgi-bin/mdroid.cgi?topic=extattrctl | |
| http://www.onlamp.com/pub/a/bsd/2003/08/14/freebsd_acls.html | |
| https://linux.die.net/man/1/setfacl | |
| https://www.bing.com/search?q=ACLs+with+Samba+andWindows&src=IE-TopResult&FORM=IETR02&conversationid= | |
| https://en.wikipedia.org/wiki/Chmod |
b1tg
/ easy_log.js
Created
December 20, 2019 01:30
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| let log = function(varStr) { | |
| if (typeof varStr !== "string"){ | |
| console.log(`[*] unknow ${varStr}`) | |
| } else { | |
| console.log(`[*]${varStr}: ${eval(varStr)}`) | |
| } | |
| } |
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| # method 0 | |
| vim body.json # write json | |
| curl -H "Content-Type: application/json" --data @body.json http://localhost:8080/ui/webapp/conf | |
| # method 1 | |
| curl --header "Content-Type: application/json" \ | |
| --request POST \ | |
| --data '{"username":"xyz","password":"xyz"}' \ | |
| http://localhost:3000/api/login |
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| ssh-copy-id -p 53 [email protected] # 复制密钥，无密码登录 | |
| scp -P 53 ~/Downloads/ngrok-stable-linux-arm.zip [email protected]:/home/pi # scp -P 指定端口 | |
| ssh -p 53 [email protected] # ssh -p 指定端口 |
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