Useful tips for everyday
Why do we use time fixed effect? This model eliminates omitted variable bias caused by excluding unobserved variables that evolve over time but are constant…
Is there a recovery mode for mountain lion? (Mountain Lion’s OS X Recovery feature, known as Lion Recovery prior to Mountain Lion’s release, is a…
Which type of hypothesis test do we use to evaluate proportions from categorical data? For categorical variables, you can use a one-sample t-test for proportion…
How do you save a picture as a clipboard on a Mac? Go to the menu bar and select File>New from Clipboard. The Preview app…
How are colors mixed? If you mix red, green, and blue light, you get white light. Red, green, and blue (RGB) are referred to as…
How can I increase my usable RAM on my phone? Manually close or uninstall apps This can be done in Settings>Apps, then tap on an…
How do you do the inverse Caps Lock? Reverse Caps Lock The Caps Lock function can also be reversed by pressing Ctrl+Shift+Caps Lock. You can…
How do you record guitar amp output? Connect your guitar into your amp, then connect your amp’s line output to the line input of your…
How to create triggers that affect multiple rows? To design a trigger that affects multiple rows, use rowset-based logic instead of cursors. The DML triggers…
Can you mass copy Google Docs? The number of copies of the document and the document ID you are copying. If you want a different…