Useful tips for everyday
How to check uptime of HMC? At boot time, a log is created, so you can look at the timestamp: hscroot@hmc14:~> ls -l /var/log/boot.log. -rw-r–r–…
Do LEDs have different voltages? The LED voltage VL is determined by the colour of the LED. Red LEDs have the lowest voltage, yellow and…
How do I make my Mac keyboard like a PC? Connect the Windows PC keyboard to the Mac as usual, either by USB or Bluetooth.…
What is the difference between DevOps and continuous delivery? You might look at it as a manufacturing production line: DevOps is the machine that builds…
How do I import data into MongoDB? Go to cloud.mongodb.com to login to your user account. In the cluster panel, click the “…” button as…
What is a phone number input mask? An input mask is a string of characters that indicates the format of valid input values. You can…
Where does the author appear in a reference list? This means that the author’s last name and the year of publication for the source should…
How do you see which cron jobs are running? Cron jobs are typically located in the spool directories. They are stored in tables called crontabs.…
How do I select a row from a CSV file in Python? Treat it like any other file object. If you want the nth line,…
What is sales Cloud Service Cloud and Marketing Cloud in Salesforce? Sales Cloud offers Web-to-lead functionality, whereas Service Cloud offers Web-to-case functionality. Salesforce Service Cloud…