Useful tips for everyday
Can you sniff 4G packets? Yes. It does requires special equipment as most wireless cards or devices do not monitor transactions other then that device’s.…
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…