Start a new Kumite
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Kumite (ko͞omiˌtā) is the practice of taking techniques learned from Kata and applying them through the act of freestyle sparring.

You can create a new kumite by providing some initial code and optionally some test cases. From there other warriors can spar with you, by enhancing, refactoring and translating your code. There is no limit to how many warriors you can spar with.

A great use for kumite is to begin an idea for a kata as one. You can collaborate with other code warriors until you have it right, then you can convert it to a kata.

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Code
Diff
  • SELECT *
    FROM transactions
    WHERE store NOT IN ('BIE Store Jakarta','BIE Store Bandung')
    • -- Code Here
    • SELECT *
    • FROM transactions
    • WHERE store NOT IN ('BIE Store Jakarta','BIE Store Bandung')
Code
Diff
  • -- Code Here
    SELECT *
    FROM transactions
    WHERE
      store IN ('BIE Store Bandung','BIE Store Palembang','BIE Store Malang');
    • --- Code Here
    • -- Code Here
    • SELECT *
    • FROM transactions
    • WHERE
    • store IN ('BIE Store Bandung','BIE Store Palembang','BIE Store Malang');
Code
Diff
  • SELECT 
      date, 
      store, 
      total_price 
    FROM 
      transactions
    WHERE 
      date BETWEEN '2022-01-01' AND '2022-01-03'
    • -- Code Here
    • SELECT
    • date,
    • store,
    • total_price
    • FROM
    • transactions
    • WHERE
    • date BETWEEN '2022-01-01' AND '2022-01-03'
Code
Diff
  • -- Code Here
    select * from transactions where store = 'BIE Store Bandung' and total_price <= 100000;
    • --- Code Here
    • -- Code Here
    • select * from transactions where store = 'BIE Store Bandung' and total_price <= 100000;
Code
Diff
  • -- Code here
    SELECT id, name, age, kota
    FROM customers
    WHERE kota = 'Tasikmalaya';
    • --- Code here
    • -- Code here
    • SELECT id, name, age, kota
    • FROM customers
    • WHERE kota = 'Tasikmalaya';
Code
Diff
  • -- Code Here
    SELECT name AS nama, age AS umur FROM customers
    • --- Code Here
    • -- Code Here
    • SELECT name AS nama, age AS umur FROM customers
Code
Diff
  • -- Code Here
    SELECT name, age FROM customers;
    • --- Code Here
    • -- Code Here
    • SELECT name, age FROM customers;
Code
Diff
  • select * from customers
    
    
    • -- Code here
    • select * from customers
Code
Diff
  • def return_hundred():
        return 0xFF ^ 0x9B
    • def return_hundred():
    • return 10000000000000000000000000000000 - 9999999999999999999999999999900
    • return 0xFF ^ 0x9B
Recursion
Mathematics
Code
Diff
  • function fibonacci(n) {
        return n <= 1 ? n : fibonacci(n - 1) + fibonacci(n - 2);
    }
    • function fibonacci(n) {
    • if (n <= 1) return n;
    • return fibonacci(n - 1) + fibonacci(n - 2);
    • return n <= 1 ? n : fibonacci(n - 1) + fibonacci(n - 2);
    • }