'abc\n'.trim('a') // 'abc'
_.trim('abc\n', 'a') // 'bc\n'

>>> def foo(numbers=[]):
...     numbers.append(9)
...     return numbers
>>> foo()
[9]
>>> foo()
[9, 9]
>>> foo()
[9, 9, 9]

def foo(numbers=None):
    if numbers is None:
        numbers = []
    numbers.append(9)
    return numbers

#include<stdio.h>
int main() {
    int a = -2147483648; // 0x80000000
    int b = -1;
    int ans = a / b;
    printf("%d\n", ans);
    return 0;
}

'([{'.search('(')
// Uncaught SyntaxError: Invalid regular expression: /(/: Unterminated group

if (Array.isArray(array) &&  array.length === 0) {
  // empty array
}

console.log("abc".substr(1,2)); // returns "bc"
console.log("abc".substring(1,2)); // returns "b"

@Component
public class GlobalValue {
    // @Value("${datasource}") ×
    public static String DATABASE;

    @Value("${datasource}")
    public void setDatabase(String db) {
        DATABASE = db;
    }
}

@Value("classpath:menu.json")
private Resource res;

// res.getFile(); ×
res.getInputStream();

String str = new BufferedReader(new InputStreamReader(inputStream)).lines().collect(Collectors.joining("\n"));

@JsonIgnoreProperties(ignoreUnknown = true)
class { ... }

* * * * * LANG=en_US.UTF-8 python3 main.py >> log.log