BrambleXu

.DS_Store
.ipynb_checkpoints
__pycache__
.idea
.pyc

BrambleXu

# fetch the changes from the remote
git fetch origin

# show commit logs of changes
git log master..origin/master

# show diffs of changes
git diff master..origin/master

# apply the changes by merge..

BrambleXu

from django.db import models

class CharNullField(models.CharField):
    """
    Subclass of the CharField that allows empty strings to be stored as NULL.
    This class is used to set charfield be optional but unique when added.
    Set blank=True, null=True when declaring the field
    """
    description = "CharField that stores NULL but returns ''."
    

BrambleXu

from collections import OrderedDict

EMOJI_UNICODE = OrderedDict({
    u':1st_place_medal:': u'\U0001F947',
    u':2nd_place_medal:': u'\U0001F948',
    u':3rd_place_medal:': u'\U0001F949',
    u':AB_button_(blood_type):': u'\U0001F18E',
    u':ATM_sign:': u'\U0001F3E7',
    u':A_button_(blood_type):': u'\U0001F170',
    u':Afghanistan:': u'\U0001F1E6\U0001F1EB',

BrambleXu

🥇 1
🥈 1
🥉 1
🆎 1
🏧 1
🅰 1
🇦🇫 2
🇦🇱 2
🇩🇿 2
🇦🇸 2

BrambleXu

var fs = require('fs');
var text = fs.readFileSync('./emoji_length.txt');
var lines = text.toString().split('\n')

for (i=0; i < lines.length; i++) {
    // console.log(lines[i].split(' '));
    emoji = lines[i].split(' ')[0];
    count = lines[i].split(' ')[1];
    
    // test for not use spread operator 

BrambleXu

"""
BMP ranges:

0000-007F：C0控制符及基本拉丁文 (C0 Control and Basic Latin) 
0080-00FF：C1控制符及拉丁文补充-1 (C1 Control and Latin 1 Supplement) 
0100-017F：拉丁文扩展-A (Latin Extended-A) 
0180-024F：拉丁文扩展-B (Latin Extended-B) 
0250-02AF：国际音标扩展 (IPA Extensions) 
02B0-02FF：空白修饰字母 (Spacing Modifiers) 
0300-036F：结合用读音符号 (Combining Diacritics Marks) 

BrambleXu

  1
! 1
" 1
# 1
$ 1
% 1
& 1
' 1
( 1
) 1

BrambleXu

var fs = require('fs');
var text = fs.readFileSync('./unicode_plane.txt');
var lines = text.toString().split('\n')

for (i=0; i < lines.length; i++) {
    // console.log(lines[i].split(' '));
    unicode_char = lines[i].split(' ')[0];
    count = lines[i].split(' ')[1];
    
    // test for not use spread operator 

BrambleXu

class Solution:
    def removeDuplicates(self, nums: List[int]) -> int:
        if len(nums) == 0: return 0
        if len(nums) == 1: return 1
        
        # nums = [0,0,1,1,1,2,2,3,3,4]
        j = 1 # slover pointer, only move when meet unique number
        for i in range(1, len(nums)): # faster pointer, i will iterate over all element in nums
            if nums[i] != nums[i-1]: # when nums[i] is a unique number, assign it to nums[j]
                nums[j] = nums[i]