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Objective-C 2021-10-03 12:52:05
tabloe view delegate method + iOS
- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView { return 1; //count of section } - (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section { return [catagorry count]; //count number of row ... Add solution -
VBA 2021-10-03 11:05:02
excel vba error 424 object required when calling sub
'Excel VBA Error 424: Object required when calling sub. 'Error 424 is raised when an object is required but not provided. 'For the following Sub an argument of type Range is required. A Range is 'an object in Excel VBA. So when calling this Sub, the ca... Add solution -
Javascript 2021-10-03 03:58:05
object destruction in javascript
In JavaScript, destructuring is when you decompose the properties of an object or the indexes of an array to separate them to create specific variables. This does not mean that these separated objects or arrays can never be used again in the program. Add solution -
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Javascript 2021-10-01 16:58:05
loop array in javascript
var array = [1, 2, 3, 4, 5]; // made an array for (var i = 0; array[i]; i++) // browse your array with this simple condition on index console.log('element '+i+' = '+array[i]); //output: element 0 = 1 element 1 = 2 element 2 = 3 element 3 = 4 element 4 = 5 Add solution -
Javascript 2021-10-01 10:30:04
javascript sort numbers descending
// Sort an array of numbers let numbers = [5, 13, 1, 44, 32, 15, 500] // Lowest to highest let lowestToHighest = numbers.sort((a, b) => a - b); //Output: [1,5,13,15,32,44,500] //Highest to lowest let highestToLowest = numbers.sort((a, b) => b-a);... Add solution -
PHP 2021-10-01 04:47:06
breaking long array in php
To reverse an array_chunk, use array_merge, passing the chunks as a variadic: <?php $array = [1, 2, 3, 4, 5, 6, 7, 8, 9]; $chunks = array_chunk($array, 3); // $chunks = [[1, 2, 3], [4, 5, 6], [7, 8, 9]] $de_chunked = array_reduce($array, 'array_mer... Add solution
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