Useful tips for everyday
What makes an estimate consistent? If the sequence of estimates can be mathematically shown to converge in probability to the true value θ0, it is…
How do you improve the performance of a selected query? 25 tips to Improve SQL Query Performance Use EXISTS instead of IN to check existence…
What can we do with the ETC skel directory? /etc/skel allows a system administrator to create a default home directory for all new users on…
How to get the value of selected radio button? To get the value of selected radio button, a user-defined function can be created that gets…
Why do you need multiple users in access? To use Access in a multi-user environment you must split it into separate front and back ends,…
What is Internet aggregation? Bandwidth aggregation is simple in concept: you simply combine the bandwidth of two or more connections to provide a single connection.…
Can you USB tether while connected to WIFI? Then, swipe down from the top to show your notifications and one should say “Android System: USB…
What is RSS widget? The RSS Widget displays posts from any RSS feed. You might find this handy if you want to show off one…
What is a 31 subnet? Using a /31 subnet mask helps conserve your IP address space for point to point links. It doubles the number…
Why does Google Docs say unsupported image? If you are trying to upload a file that does not have these extensions then you are likely…