Useful tips for everyday
How many pairs do you need for ethernet? Inside the ethernet cable, there are 8 color coded wires. These wires are twisted into 4 pairs…
How do I change my email address in Nagios? Re: Change the default email address What you need to do is change that variable. Take…
How do you find out what template a website is using? Start with the front-end. Right click your browser web page and click “View page…
Is AC Watts same as DC Watts? In most cases, Watts out DC are 75% to 85% of AC Watts. At 100% efficiency, the AC…
What does the Sbatch command do? sbatch is used to submit a job script for later execution. The script will typically contain one or more…
How do you prevent duplicate records in Salesforce trigger? trigger PreventDuplicateContacts on Contact (before insert) { Set emailSet = new Set(); Set phoneSet = new…
Is it safe to allow modify system settings? To appease power users by giving apps like Tasker more capabilities, there’s a permission called “Modify System…
Are there any robots that are open source? Poppy is competing with yet another open source humanoid robots: the Darwin-OP from Robotis (see Video 2).…
How is SQL query execution time calculated? One simplistic approach to measuring the “elapsed time” between events is to just grab the current date and…
What names are not allowed on Facebook page? Page names can’t include: Terms or phrases that may be abusive or violate someone’s rights. The word…