Useful tips for everyday
What is considered good test-retest reliability? Test-retest reliability has traditionally been defined by more lenient standards. Fleiss (1986) defined ICC values between 0.4 and 0.75…
Can you make a method inside a method? Java does not support “directly” nested methods. But you can achieve nested method functionality in Java 7…
Is there a way to scrub your Facebook? Facebook has now added a bulk delete tool to make it easier to clean up your posts,…
How can I make Ubuntu 20.04 more secure? How to Secure your Ubuntu 20.04 Home Server Change the default SSH port. Install and setup ufw.…
Why is sufficient statistic important? In layman’s terms, a sufficient statistic is your best bet for summarizing your data; You can use it even if…
How do you add a bleed line? Add a bleed Choose File > Print. Select Marks & Bleed on the left side of the Print…
What does sudo group do? The Ubuntu default /etc/sudoers configuration has two groups to allow sudo access. Members of these groups are allowed sudo access…
How can I store a PDF in PostgreSQL? Probably the best way store PDF file in postgresql is via large object. You should have a…
How does a transistor audio amplifier work? A transistor acts as an amplifier by raising the strength of a weak signal. The DC bias voltage…
How to filter by maximum values in each group? Closed 3 years ago. I have a 180,000 x 400 dataframe where the rows correspond to…