php Programming Glossary: overlaps

How to prevent the cron job execution, if it is already running

http://stackoverflow.com/questions/10552016/how-to-prevent-the-cron-job-execution-if-it-is-already-running

Calculating total quantity of equipments for a date range

http://stackoverflow.com/questions/12109737/calculating-total-quantity-of-equipments-for-a-date-range

the first part. Next up you have to work out the possible overlaps this wouldn't be practical to do with SQL so I would suggest.. permutation. using the segments you sum vertically for overlaps and you take the daily maximum across. Hope that helps. share..

Testing if a network in cidr notation overlaps another network

http://stackoverflow.com/questions/13608394/testing-if-a-network-in-cidr-notation-overlaps-another-network

if a network in cidr notation overlaps another network I'm searching for a php algorithm that efficiently.. that efficiently test if one cidr notated network overlaps another. Basically I have the following situation Array of cidr.. should throw an exception when a network is added that overlaps with a network allready in the array. So ie. if 192.168.10.0..

Checking for date range conflicts in MySQL

http://stackoverflow.com/questions/8914457/checking-for-date-range-conflicts-in-mysql

is this If the range defined by check_in and check_out overlaps the range defined by checkin and checkout in any way then the..