mondwan

# Find filename with gcc under folder /usr
find /usr -name gcc

# Find directory based on filename gcc under folder /usr
find /usr -type d -name gcc

# Find file which modified today under current directory
find -type f -mtime 0

# Find file which filesize is zero

mondwan

# Look up hostname using dns
host linuxfoundation.org

# To look up name server interactively
nslookup linuxfoundation.org

# To look up domain name server information from the name server
dig linuxfoundation.org

mondwan

# redirect stdout
echo "hello" > a.out

# redirect stderr
echo "hello" 2> a.out

# redirect both of them
echo "hello" > a.out 2>&1
# shortcut
echo "hello" >& a.out

mondwan

# Extract files fomr mydir.tar
tar xvf mydir.tar

# Create the archive for file mydir and compress with gzip 
tar zcvf mydir.tar.gz mydir

# Create the archive for file mydir and compress with bz2
tar jcvf mydir.tar.bz2 mydir

# Create the archive for file mydir and compress with xz

mondwan

from bisect import bisect_left

# Source https://docs.python.org/2/library/bisect.html

def index(a, x):
    'Locate the leftmost value exactly equal to x'
    i = bisect_left(a, x)
    if i != len(a) and a[i] == x:
        return i
    raise ValueError

mondwan

from treelib import Tree
tree = Tree()

# Create a tree for demo purpose
tree.create_node('A', 'a')
tree.create_node('B', 'b', parent='a')
tree.create_node('C', 'c', parent='a')
tree.create_node('D', 'd', parent='b')
tree.create_node('E', 'e', parent='b')
tree.create_node('F', 'f', parent='c')

mondwan

from treelib import Tree
tree = Tree()

# Create a tree for demo purpose
tree.create_node('A', 'a')
tree.create_node('B', 'b', parent='a')
tree.create_node('C', 'c', parent='a')
tree.create_node('D', 'd', parent='b')
tree.create_node('E', 'e', parent='b')
tree.create_node('F', 'f', parent='c')

mondwan

# [MUST] Define user information which will be recorded in any newly created commits
[user]
	name = Mond Wan
	email = mondwan.1015@gmail.com
# [OPTIONAL] Define personal working preferences
[core]
	# for window, use true
	# for linux, MacOS, use input
	autocrlf = input
	editor = vim

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{
  "parser": "babel-eslint",
  "env": {
    "browser": true,
    "node": true,
    "amd": true
  },
  "settings": {
      "ecmascript": 6,
      "jsx": true

mondwan

Source

https://github.com/reactjs/react-basic/blob/master/README.md

function NameBox(name) {
  return { fontWeight: 'bold', labelContent: name };
}

// Level 1 reuse: Show user name with blue border