tbar: [ { text: 'Load CSV', handler: function() { // Trigger a file input dialog to select a CSV file const fileInput = document.createElement('input'); fileInput.type = 'file'; fileInput.accept = '.csv'; fileInput.onchange = function(event) { const file = event.target.files[0]; if (file) { ..

tbar: [ { text: 'Export to CSV', handler: function() { const grid = this.up('grid'); // Get reference to the grid const store = grid.getStore(); // Get the grid's store // Filter columns to exclude those with dataIndex '_$_' const columns = grid.getColumns().filter(column => column.dataIndex !== '_$_'); // Extract column hea..

const columns = grid.getColumns().filter(column => column.dataIndex !== '_$_');'_$_'는 row의 상태값 컬럼의 header

Arrays.asList 이용String[] array = {"apple", "banana", "cherry"};String valueToCheck = "banana";boolean isIncluded = Arrays.asList(array).contains(valueToCheck);if (isIncluded) { System.out.println(valueToCheck + " is in the array.");} else { System.out.println(valueToCheck + " is not in the array.");}for문 이용String[] array = {"apple", "banana", "cherry"};String valueToCheck = "banana";boolea..

SELECT ROUND(10000000/1234, 1) AS resultFROM DUAL;

public boolean isNumeric(String str) { return str != null && str.matches("\\d+(\\.\\d+)?");}