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Other 2022-02-28 16:25:04
mysql create the database and table
<?php CREATE TABLE IF NOT EXISTS `my_contacts` ( `id` int(11) NOT NULL AUTO_INCREMENT, `full_names` varchar(255) NOT NULL, `gender` varchar(6) NOT NULL, `contact_no` varchar(75) NOT NULL, `email` varchar(255) NOT... Add solution -
Dart 2022-02-26 20:35:02
dart null aware operators
int minVal = (a < b) ? a : b; // if(a < b) {minVal = a;} else {minVal = b;} var x = y ?? z; // assign y to x if y is not null, else z var x ??= y; // assign y to x only if x is null myObject?.myProp // (myObject != null) ? myObject.m... Add solution -
SQL 2022-02-26 14:50:18
mysql store ip address
-- `ip_address` int(4) unsigned NOT NULL INSERT INTO my_table (`ip_address`) VALUES (INET_ATON("127.0.0.1")); SELECT INET_NTOA(ip_address) as ip FROM my_table; -- php <?php var_dump(ip2long('123.63.153.253')); -- 2067765757 var_dump(long2ip(2... Add solution