Useful tips for everyday
How often should the oil be changed in a Honda Fit? every 3,000-5,000 miles Honda recommends getting your Honda Fit oil & filter changed every…
What do you use atomic vectors for in R? Atomic vectors are constructed with the c function or the vector function. dim() applied on a…
Why the voltage gain decreases as we move from mid frequency to low frequency? The capacitive reactance of coupling and by pass capacitors is large…
How use base64 in Linux? “base64” Command Usage Examples in Linux -w, –wrap=COLS. Wrap encoded lines after COLS character (default 76). Use 0 to disable…
How do you check if a certain character is in a string c? The strchr function returns a pointer to the first occurrence of character…
What is one way and two-way authentication? In one way SSL, the client always verifies the server certificates and the server never verifies the client…
Does Btrfs support copy on write? Naturally, Btrfs uses extents as well. But it differs from most other Linux filesystems in a significant way: it…
How do I change my search engine from Yahoo to Firefox? You can add Yahoo Search to Firefox as follows: Visit the yahoo.com homepage. Click…
What is product URL on Amazon? The ASIN is specified on almost every Amazon product page. Because the URL of each product varies, simply look…
Why is NOx bad? NOx can cause serious health damage to humans, including respiratory diseases. NOx is also responsible for smog and the typical brown…