Skip to content

Instantly share code, notes, and snippets.

View riywo's full-sized avatar
🏈
Go 49ers!

Ryosuke Iwanaga riywo

🏈
Go 49ers!
297 followers · 453 following
View GitHub Profile
@riywo
riywo / config
Created July 19, 2023 03:49
Host i-*
GSSAPIAuthentication no
StrictHostKeyChecking no
UserKnownHostsFile /dev/null
LogLevel ERROR
IdentityFile ~/.ssh/id_rsa
ProxyCommand sh -c 'aws ec2-instance-connect send-ssh-public-key --instance-id %h --instance-os-user %r --ssh-public-key file://~/.ssh/id_rsa.pub && exec aws ec2-instance-connect open-tunnel --instance-id %h'
@riywo
riywo / gist:5023060
Created February 24, 2013 07:58
Join mp3 files with homebrew
$ brew install -v mp3wrap ffmpeg id3lib
$ mp3wrap tmp.mp3 1.mp3 2.mp3 3.mp3 ....
$ ffmpeg -i tmp_MP3WRAP.mp3 -acodec copy all.mp3 && rm tmp_MP3WRAP.mp3
$ id3cp 1.mp3 all.mp3
@riywo
riywo / reference.md
Last active May 12, 2021 05:37
gdbとかassemblyのアンチョコ

2進数

  • 0xXX
    • 1 byte = 16進数2桁 = 8 bit
  • 0xXXXXXXXX
    • 4 byte = 16進数8桁 = 32 bit
    • int
  • 0xYYYYYYYYXXXXXXXX
    • 8 byte = 16進数16桁 = 64 bit
    • long int
@riywo
riywo / gist:870515
Created March 15, 2011 09:46
GNU parallel使って並列でrsyncする＆ちゃんとmkdirする
find /path/to/dir/ -type f | time parallel --eta 'rsync -aRz --compress-level=1 {} remote:/'
@riywo
riywo / gist:874011
Created March 17, 2011 08:37
bashでパイプとかでつないでバッファされちゃう時

tail -fみたいに流しながら見たいんだけど、色んなコマンドが出力をバッファしちゃうので、困ったときはそのコマンドにバッファしないオプションが無いか探すのがオヌヌメ。 man command -> bufferとかで検索

grep

   --line-buffered
          Use line buffering, it can be a performance penality.

$ iostat -x 1 | grep --line-buffered 'sda'

awk

@riywo
riywo / gist:b36c7cd7ef2560b0e5e1a713205d8e28
Created March 28, 2019 08:41
$ ./runsample open foo.db
COMMAND: scan
START KEY: {"name": "bar", "timestamp": 0}
END KEY: {"name": "foo", "timestamp": 100}
{"name": "bar", "timestamp": 1} {"value": "bbb"}
{"name": "bar", "timestamp": 10} {"value": "bbb"}
{"name": "foo", "timestamp": 1} {"value": "bbb"}
{"name": "foo", "timestamp": 10} {"value": "bbb"}
@riywo
riywo / dict.ll
Created May 4, 2018 14:26
declare i32 @putchar(i32)
declare i8* @gets(i8* nocapture) nounwind
declare i32 @strcmp(i8*, i8*) nounwind
%node = type{ %node*, i8*, i32 }
@foo.key = private constant [4 x i8] c"foo\00"
@foo = private constant %node {
%node* @bar,
i8* getelementptr([4 x i8], [4 x i8]* @foo.key, i32 0, i32 0),
@riywo
riywo / itc.ll
Created May 4, 2018 05:44
declare i32 @putchar(i32)
@xt_A = private constant i8* blockaddress(@main, %i_A)
@xt_B = private constant i8* blockaddress(@main, %i_B)
@xt_exit = private constant i8* blockaddress(@main, %i_exit)
@code = private constant [5 x i8**] [
i8** @xt_A,
i8** @xt_B,
i8** @xt_A,
@riywo
riywo / dtc.ll
Last active May 4, 2018 05:30
declare i32 @putchar(i32)
@code = private constant [5 x i8*] [
i8* blockaddress(@main, %A),
i8* blockaddress(@main, %B),
i8* blockaddress(@main, %A),
i8* blockaddress(@main, %B),
i8* blockaddress(@main, %exit)
]
@riywo
riywo / CMakeLists.txt
Last active April 24, 2018 22:12
cmake_minimum_required(VERSION 3.10)
project(myproject)
set(CMAKE_CXX_STANDARD 14)
find_package(LLVM REQUIRED CONFIG)
include_directories(${LLVM_INCLUDE_DIRS})
add_definitions(${LLVM_DEFINITIONS})