• $0: name of the script
• $1 to $9, arguments to the script. $1 is the first argument and so on.
• $@: all the arguments
• $#: number of arguments
• $?: return code of the previous command
• $$: process identification number (PID) for the current script

FYI:

• https://tldp.org/LDP/abs/html/special-chars.html
• https://missing.csail.mit.edu/2020/shell-tools/

“App” can’t be opened. You should move it to the Trash

or

“App” 已损坏，无法打开。你应该将它移到废纸篓。

Solution:

sudo xattr -rd com.apple.quarantine /Applications/App.app

brew error:

Operation timed out after 5000 milliseconds with 2740800 out of 3443379 bytes received

Slow internet connection will cause this error. export HOMEBREW_NO_INSTALL_FROM_API=1 to fix this, installing from API is the default behavior in brew 3.6.20.

C

• H 项目延期导致亏损，直接影响就是团队裁员
• 项目中间进行变更，痛苦的过程最后有点无厘头的结束，结论：不是所有人都认真关注你关注的，大差不差即可，时间会帮助你
• 和聪明但流程贪婪的人做生意，结果就是被吃干抹净
• 全年收获：团队，认可

git worktree，不切换 git 分支，又在多个分支同时工作。

• git worktree list list all worktree
• git worktree add [-b <new-branch>] <path> [<commit-ish>] create a worktree at path and checkout commit-ish into it
• git worktree remove <worktree> remove the special worktree
• git worktree prune prune dirty infos

function base64ToArrayBuffer(_base64Str) {
  var binaryString = window.atob(_base64Str);
  var binaryLen = binaryString.length;
  var bytes = new Uint8Array(binaryLen);
  for (var i = 0; i < binaryLen; i++) {
    var ascii = binaryString.charCodeAt(i);
    bytes[i] = ascii;
  }
  return bytes;
}

function showDocument(_base64Str, _contentType) {
  var byte = base64ToArrayBuffer(_base64Str);
  var blob = new Blob([byte], {type: _contentType});
  document.location.replace(URL.createObjectURL(blob));
}


showDocument('PGh0bWw+Cgo8Ym9keT4KICBoZWxsbyB3b3JsZC4KPC9ib2R5PgoKPC9odG1sPgo=', 'text/html');

• https://itechowl.wordpress.com/2020/01/27/javascript-not-allowed-to-navigate-top-frame-to-data-url-chrome/

power but poor, very host limited

macOS Ventura changed SSH algorithm, you need to update your SSH config file ~/.ssh/config to make it work.

Host *
    UseKeychain yes
    IdentitiesOnly yes
    HostkeyAlgorithms +ssh-rsa
    PubkeyAcceptedKeyTypes +ssh-rsa
    PubkeyAcceptedAlgorithms +ssh-rsa

2012.09.29 -> 2022.09.29, I LOVE Linn

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