Useful tips for everyday
How do I know if CloudFront is working? In order to check if AWS Cloudfront (CDN) is being used, just look for an x-cache response…
How do I add addons to ArcGIS Pro? View add-ins Open the ArcGIS Pro Settings page: On the ArcGIS Pro start page, click Settings .…
Which EVAP valves are normally closed? The vent valve is a normally open valve and the purge valve is a normally closed valve. How do…
How do I block a subdomain? If you want to block every subdomain for a website, then you should use an asterisk (*). For example,…
What does a clock mean on a WhatsApp message? You will usually see this symbol when your device is not connected to a network (WiFi…
What is the message status icon on Facebook? The check marks on Facebook Messenger indicate the status of your message. The color and icon next…
Does Cloudflare hide your server IP? Cloudflare hides your origin server IP addresses for traffic you proxy to Cloudflare. As an extra security precaution, we…
What does iptables l do? iptables is a user-space utility program that allows a system administrator to configure the IP packet filter rules of the…
What is DBMS job? DBMS JOB is a job scheduler package. Users on Oracle 10g may have advantage to use the new DBMS_SCHEDULER package. Apart…
How do I test an outlet for continuity? Before you begin, turn off the power. Then disconnect the outlet from the wiring. Set your multimeter…