Useful tips for everyday
What is the intent of Strategy pattern? Intent. Define a family of algorithms, encapsulate each one, and make them interchangeable. Strategy lets the algorithm vary…
Why is Photoshop making my images blurry? Make sure your image is in RGB color mode before you do anything! If it’s not, choose Image…
How do I find the IO size? To calculate the average I/O size of each disk, the total number of bytes read and written is…
How to rename all files with special characters? Following are the file names before their renaming was done: Now i have written a small shell…
How do I Fix ORA 01033 Oracle initialization or shutdown in progress? To avoid getting ORA-01033, make sure Oracle is not in the process of…
Why use emmeans in r? The emmeans package enables users to easily obtain least-squares means for many linear, generalized linear, and mixed models as well…
How do I fix hotkeys? Keyboard shortcuts & Hotkeys are not working 1] Physically clean the keyboard keys. 2] Run the Hardware troubleshooter. 2] Connect…
How can I make $5000 quickly? Table of Contents Start Driving: Uber and Lyft. Take Photos on Your Phone: Snapwire. Work-From-Home Jobs: Amazon. Wrap Your…
What is replica set Oplog? The oplog (operations log) is a special capped collection that keeps a rolling record of all operations that modify the…
How do you start a new buffer? You can enter the buffer number you want to jump/edit and press the Ctrl-W ^ or Ctrl-W Ctrl-^…