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czheo
V2EX  ›  自言自语

吐槽下天猫 app

  •  
  •   czheo · 2016-06-11 14:10:37 +08:00 via iPhone · 268 次点击
    这是一个创建于 3122 天前的主题,其中的信息可能已经有所发展或是发生改变。
    首页向左滑向右滑用户看来根本是鸡肋。这算 ABtest ?两个页面看不出啥大差别,根本无所谓。不知道的用户还会纳闷下。
    为了 metrics driven 而硬做 ABtest 和为了 test driven 而破坏代码结构一样,都是本末倒置。
    4 条回复    2017-02-01 19:33:19 +08:00
    czheo
        1
    czheo  
    OP
       2017-02-01 19:32:38 +08:00
    ``` python
    def quick_sort(numbers,left,right):
    if right - left <= 0:
    return numbers

    tmp = numbers[left]
    i = left + 1
    j = right

    while i < j:
    while numbers[j] > tmp and i < j:
    j -= 1
    while numbers[i] <= tmp and i < j:
    i += 1
    numbers[i], numbers[j] = numbers[j], numbers[i]

    if numbers[i] > numbers[left]:
    numbers[i-1], numbers[left] = numbers[left], numbers[i-1]
    else:
    numbers[i], numbers[left] = numbers[left], numbers[i]

    quick_sort(numbers,left,i-1)
    quick_sort(numbers,i+1,right)

    return numbers

    test = [3,7,8,5,1,2,2,2,22,11,5,4]
    print(quick_sort(test, 0, len(test) - 1))
    ```
    czheo
        2
    czheo  
    OP
       2017-02-01 19:32:48 +08:00
    ```
    def quick_sort(numbers,left,right):
    if right - left <= 0:
    return numbers

    tmp = numbers[left]
    i = left + 1
    j = right

    while i < j:
    while numbers[j] > tmp and i < j:
    j -= 1
    while numbers[i] <= tmp and i < j:
    i += 1
    numbers[i], numbers[j] = numbers[j], numbers[i]

    if numbers[i] > numbers[left]:
    numbers[i-1], numbers[left] = numbers[left], numbers[i-1]
    else:
    numbers[i], numbers[left] = numbers[left], numbers[i]

    quick_sort(numbers,left,i-1)
    quick_sort(numbers,i+1,right)

    return numbers

    test = [3,7,8,5,1,2,2,2,22,11,5,4]
    print(quick_sort(test, 0, len(test) - 1))
    ```
    czheo
        3
    czheo  
    OP
       2017-02-01 19:33:00 +08:00
    ~~~
    def quick_sort(numbers,left,right):
    if right - left <= 0:
    return numbers

    tmp = numbers[left]
    i = left + 1
    j = right

    while i < j:
    while numbers[j] > tmp and i < j:
    j -= 1
    while numbers[i] <= tmp and i < j:
    i += 1
    numbers[i], numbers[j] = numbers[j], numbers[i]

    if numbers[i] > numbers[left]:
    numbers[i-1], numbers[left] = numbers[left], numbers[i-1]
    else:
    numbers[i], numbers[left] = numbers[left], numbers[i]

    quick_sort(numbers,left,i-1)
    quick_sort(numbers,i+1,right)

    return numbers

    test = [3,7,8,5,1,2,2,2,22,11,5,4]
    print(quick_sort(test, 0, len(test) - 1))
    ~~~
    czheo
        4
    czheo  
    OP
       2017-02-01 19:33:19 +08:00
    ~~~
    def quick_sort(numbers,left,right):
    if right - left <= 0:
    return numbers

    tmp = numbers[left]
    i = left + 1
    j = right

    while i < j:
    while numbers[j] > tmp and i < j:
    j -= 1
    while numbers[i] <= tmp and i < j:
    i += 1
    numbers[i], numbers[j] = numbers[j], numbers[i]

    if numbers[i] > numbers[left]:
    numbers[i-1], numbers[left] = numbers[left], numbers[i-1]
    else:
    numbers[i], numbers[left] = numbers[left], numbers[i]

    quick_sort(numbers,left,i-1)
    quick_sort(numbers,i+1,right)

    return numbers

    test = [3,7,8,5,1,2,2,2,22,11,5,4]
    print(quick_sort(test, 0, len(test) - 1))
    ~~~
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