Useful tips for everyday
Does iMessage cost extra? iMessage is located in the default messages app on your iPhone. (This is true if just one person in a group…
What is ASCII computer? Computers work in binary code. Computer manufacturers agreed to use one code called the ASCII (American Standard Code for Information Interchange).…
What measures the sensitivity of the image sensor? In practice, often the quantum efficiency (QE) is used to evaluate the sensitivity of an image sensor…
Can S3 objects be modified? You can use the Amazon S3 console to edit metadata of existing S3 objects. Some metadata is set by Amazon…
How do I stop a running query in MySQL? How to Kill MySQL Queries Show processlist; Then review the “Time” field to find the longest…
How to skip the current iteration of a loop? To skip the current iteration, use the Next loop action. The For each loop iterates through…
Can you password protect certain apps on iPad? Choose General, then Restrictions. A list of installed apps pop up on your iPad. Select Enable Restrictions…
How to use trigger.oldmap in a class? You should call your class from trigger code, and pass the Trigger.oldMap, Trigger.new to the class methods, then…
Why is atmospheric pressure in all directions? Pressure acts in all directions at a point inside a gas. At the surface of a gas, the…
What is the keyboard command to shut down jaws? Tabbed Browsing Quick Keys Description Keystroke Switch to the Previous Tab CTRL+SHIFT+TAB Switch to a Specific…