Useful tips for everyday
What happens to a pointer after free? Because freeing memory (a pointer) just puts back that memory on the free memory pool. The memory doesn’t…
Is it safe to use used tires? The used tire industry in the U.S. is completely unregulated – there’s simply no guarantee that used tires…
Does car need to be running to check coolant? However, it’s of vital importance that you know you cannot and must not check your coolant…
Can Android emulator receive push notifications? If your target platform is Android, you can test a push notification on an emulator if the emulator target…
How do I use two cameras on my Raspberry Pi? When building a Raspberry Pi setup to leverage multiple cameras, you have two options: Simply…
How do you know if a joint probability distribution is independent? Independence: X and Y are called independent if the joint p.d.f. is the product…
How do you outline in Google Earth? Draw a path or polygon Open Google Earth. Go to a place on the map. Above the map,…
How do I tag people in iCloud photos? 1) Click to open a photo of the person you want to add. 2) Swipe up from…
What happens when you run setup di compile? If you do run setup:di:compile — even with your app in developer deployment mode — you will…
How do I whitelist a port in Linux? How to open Ports on Iptables in a Linux server Step 1 : List the current Iptables…