Search results for: "caching instructions"

What are the advantages and disadvantages of using mysql_num_rows versus COUNT() in PHP for counting database entries?

When counting database entries in PHP, it is generally recommended to use the COUNT() function in SQL queries rather than the mysql_num_rows function....

What considerations should be made when deciding between using arrays, databases, or a combination of both for managing complex data structures like a Techtree in PHP development?

When deciding between using arrays, databases, or a combination of both for managing complex data structures like a Techtree in PHP development, consi...

Where are session data stored in PHP, on the hard drive or in memory?

Session data in PHP can be stored either on the hard drive or in memory, depending on the configuration set in the php.ini file. By default, PHP store...

What best practices should be followed when using .js to display current weather and news on a website?

When using .js to display current weather and news on a website, it is important to follow best practices to ensure optimal performance and user exper...

What are the advantages and disadvantages of directly manipulating BLOB images in PHP compared to storing image paths in a database and loading them separately?

When dealing with images in PHP, one common approach is to either directly store the image data (BLOB) in the database or store the file path in the d...