Useful tips for everyday
What is the main difference between user based and item based collaborative filtering? Item based collaborative filtering finds similarity patterns between items and recommends them…
What is responsible for validating a vendor and binding the vendor with their digital certificates? Verifiers are responsible for validating the signature and any certificates…
Which complement is used for subtraction? Subtraction is done by adding the ten’s complement of the subtrahend, which is the nines’ complement plus 1. The…
What happens if I charge my phone with inverter? No. You cannot charge your mobile battery using an inverter circuit. An inverter converts a DC…
Which schema tag allows you to specify elements in any order? XSD – how to allow elements in any order any number of times? Allow…
Is OS x Lion still usable? Remember, even Lion isn’t supported anymore, and Snow Leopard hasn’t gotten new security updates for quite a while, so…
How do I insert a blank line in Excel when value changes? Select the data range that you want to use, and then choose the…
How do I remove the default header image in WordPress? Log in to your WordPress dashboard, click the “Appearance” menu and select “Header.” Click the…
What two types of tunneling are supported by PPTP? PPTP supports two types of tunneling: Voluntary tunneling: Initiated by the PPTP client (such as Microsoft…
What is emitter stabilized bias? A configuration in which a bipolar junction transistor or a BJT is reinforced with an emitter resistor for enhancing its…