cnruby

using ssh-forever

# need to install ruby
# install ssh-forever on macos or linux
gem install ssh-forever

# adding password to .ssh/config

cnruby

Command

exa -d _* **/../_*
ls -d _* **/../_*

References

• https://superuser.com/questions/1416177/run-ls-recursively-with-wildcards
• https://the.exa.website/

cnruby

BFG Repo-Cleaner

• Remove files and folders from git history permanently(代码库历史文件和目录删除软件)
• Removes large or troublesome blobs like git-filter-branch does, but faster, simpler, better and easier

Step 0: Get tool: BFG Repo-Cleaner

wget https://repo1.maven.org/maven2/com/madgag/bfg/1.13.0/bfg-1.13.0.jar

Step 1: download your Repo

cnruby

// https://stackoverflow.com/questions/18444194/cutting-the-videos-based-on-start-and-end-time-using-ffmpeg
INPUT_VIDEO=input
CUT_OUTPUT_VIDEO=cut_output
BEGIN_TIME="00:00:03"
END_TIME="00:00:08"
ffmpeg -ss $BEGIN_TIME -t $END_TIME -i $INPUT_VIDEO.mp4 -acodec copy -vcodec copy -async 1 $CUT_OUTPUT_VIDEO.mp4

cnruby

# fix my permissions for OSX Homebrew
# https://github.com/Homebrew/legacy-homebrew/issues/43301

sudo chown -R "$USER":admin /usr/local 

cnruby

# install ffmpeg on MacOS
brew install ffmpeg
brew cask install vlc

# merge two vidoes into one video 
ls
INPUT_VIDEO_1=input_01
INPUT_VIDEO_2=input_02
OUTPUT_VIDEO=output
ffmpeg -i $INPUT_VIDEO_1.mp4 -c copy -bsf:v h264_mp4toannexb -f mpegts $INPUT_VIDEO_1.ts

cnruby

import 'package:flutter/material.dart';
import 'package:flutter/foundation.dart';
import 'package:flutter/cupertino.dart';

const String _name = "YourName";

final ThemeData kIOSTheme = new ThemeData(
  primarySwatch: Colors.orange,
  primaryColor: Colors.grey[100],
  primaryColorBrightness: Brightness.light,

cnruby

import 'package:flutter/material.dart';

const String _name = "YourName";

void main() {
  runApp(new FriendlychatApp());
}

class FriendlychatApp extends StatelessWidget {
  @override

cnruby

import 'package:flutter/material.dart';

const String _name = "YourName";

void main() {
  runApp(new FriendlychatApp());
}

class FriendlychatApp extends StatelessWidget {
  @override

cnruby

import 'package:flutter/material.dart';

const String _name = "YourName";

void main() {
  runApp(new FriendlychatApp());
}

class FriendlychatApp extends StatelessWidget {
  @override