How to Define Inheritable Record/Structure in Delphi (Object Pascal)?
In Delphi (Object Pascal), you can use the record keyword to define a C-like structure. For example, type data = record key: string; value: integer; end; It is interesting …
Author: ACMer
How to Generate 100K Test Data to MySQL Database?
If you want to test the performance of the SQL statements or just want to test the Database performance, you will need to generate lots of records in a …
How to Compute Minkowski, Euclidean and CityBlock Distance in C++?
Given a number of coordinates (could be any dimensions, but for simplicity we use 2 dimension X/Y coordinates for demonstration), you can get the ‘central’ point by averaging all …
How to Compute the Power of Arbitrary Base without Loops in C/C++?
If we want to compute , and if the y is integer, we can easily do this using a straigtforward loop O(n), or a O(logn) approach. However, if the …
How to Read File Content from URL with Time out in PHP?
In PHP, you can read the content via the function file_get_contents or fopen. However, by default, there is no time out setting for these two functions. So if the …