Connection refused通常是有連到DB,但是登入user/password 錯誤,所以回應 refused(拒絕).這時候就先不往 網路/防火牆...
listData = [{'ProductNo': 'P00001'}, {'ProductNo': 'P00002'},...
我查了一下你標題裡的 HakerRanker, Google 建議改成 HackerRank.
x = [ 'Fizz' * (n % 3 == 0) + 'Buzz' * (n % 5 == 0) or str(n) for n in range(1,4...
#!/usr/bin/swift let arr = [2, 1, 2, 3, 5, 6, 8, 9] let counts = arr.reduce(in...
package main import ( "fmt" ) func reverseStrRecursion(input strin...
create table it0418 ( pno char(1) not null , price int not null ); insert int...
一級屠豬士的鐵人檔案