AaronFlower

function insertionSort(data)
{
  for(let i = 1; i < data.length; ++i) {
    let j = i
    while(j > 0 && data[j] < data[j - 1]) {
      let tmp = data[j]
      data[j] = data[j - 1]
      data[j - 1] = tmp
      j --
    }

AaronFlower

a = Array.from({length: 15}).map((_,i) => i)

function binarySearch(arr, needle)
{
	let begin = 0, end = arr.length - 1
	while (begin <= end) {
		let mid = Math.floor((end - begin) / 2)  + begin
		if (arr[mid] === needle) {
			return mid
		} else if (arr[mid] > needle) {

AaronFlower

def vector_rotation(str, pos):
  '''Transpose concept: (A.T B.T).T = (BA)  '''
  l_half = str[:pos][::-1]
  r_half = str[pos:][::-1]
  new_str = l_half + r_half
  return new_str[::-1]

s = 'abcdefgh'
print(vector_rotation(s, 2))
print(vector_rotation(s, 3))

AaronFlower

def insertion_sort(data):
  length = len(data)
  for i in range(1, length):
    j = i
    while j > 0 and data[j] < data[j-1]:
      tmp = data[j-1]
      data[j - 1] = data[j]
      data[j] = tmp
      j -= 1

AaronFlower

quicksort :: (Ord a) => [a] -> [a]  
quicksort [] = []  
quicksort (x:xs) =   
    let smallerSorted = quicksort [a | a <- xs, a <= x]  
        biggerSorted = quicksort [a | a <- xs, a > x]  
    in  smallerSorted ++ [x] ++ biggerSorted 

AaronFlower

if [ -f .bashrc ] ; then
  echo "bashrc exists"
else
  echo "bashrc does not exist"
fi

if [[ -r .bashrc ]]
then
  echo ".bashrc exists and have permission granted."
fi

AaronFlower

str = 'hello {name}, say {msg}. {name} is a handsome boy, {age}!'
reg = /{([^{}]+)}/g
data = {
	name: 'eason',
	msg: 'hi'
}
str.replace(reg, function (_, key) {
	return data[key] || `{${key}}`
})
// "hello eason, say hi. eason is a handsome boy, {age}!"

AaronFlower

/**
 * 参考 https://github.com/janl/mustache.js/blob/b283da5c8c26dbf78c357a1f67bfed26d18f5e32/mustache.js#L60
 */
var entityMap = {
  '&': '&',
  '<': '&lt;',
  '>': '&gt;',
  '"': '&quot;',
  "'": '&#39;',
  '/': '&#x2F;',

AaronFlower

{
    "configurations": [
        {
            "name": "Mac",
            "includePath": [
                "/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/include/c++/v1",
                "/usr/local/include",
                "/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/clang/9.0.0/include",
                "/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/include",
                "/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.13.sdk/usr/include",

AaronFlower

const adder = new Function('a', 'b', 'return a + b')
adder(2, 3)