bash test boolean
the_world_is_flat=true
# ...do something interesting...
if [ "$the_world_is_flat" = true ] ; then
echo 'Be careful not to fall off!'
fibash test boolean
the_world_is_flat=true
# ...do something interesting...
if [ "$the_world_is_flat" = true ] ; then
echo 'Be careful not to fall off!'
fiarray differenc javascript
let difference = arr1.filter(x => !arr2.includes(x));diff two arrays javascript
function diffArray(arr1, arr2) {
return arr1
.concat(arr2)
.filter(item => !arr1.includes(item) || !arr2.includes(item));
}Diff Two Arrays
const diffArray = (arr1, arr2) => {
// Store the different elements
const diffArray = []
// Concat both arrays
const uniqueArr = [...new Set([...arr1, ...arr2])];
// OR const uniqueArr = [...new Set(arr1.concat(...arr2))]
// Loop through the unique array and confirm that each element in it
// is in both arrays(arr1,arr2), else push element not found in both
// arrays to the diffArray and return it
uniqueArr.forEach(elem => {
if(!arr1.includes(elem) || !arr2.includes(elem))
diffArray.push(elem)
})
return diffArray
}
diffArray([1, 2, 3, 5], [1, 2, 3, 4, 5]);
// With love @kouqharCopyright © 2021 Codeinu
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