Useful tips for everyday
Can I setup my iPhone without a SIM card? The first most effective method to activate an iPhone without a SIM card is using iTunes…
How do you calculate aggregate value? Write out the numbers in the group. In the example, assume the student’s respective scores were 45, 30 and…
What is SQL bottleneck? What is Bottleneck in SQL Server. The term bottleneck means the neck of a bottle that reduces the flow from the…
How do you make a curve in Python? Following steps were followed: Define the x-axis and corresponding y-axis values as lists. Plot them on canvas…
How do I unmount a device in Linux? To unmount, you can either specify a directory of a device name. For example, in order to…
Can MacBook camera be turned on without green light? No, the camera on a Mac can not be turned on without the light being on…
Is clean code a good book? Clean Code is one of the most commonly seen books on a programmer’s desk because it’s more approachable, especially…
Why does MySQL replication read only on slave database? Arbitrary or unintended updates to a slave may break replication or cause a slave to be…
What causes a #ref error? The #REF! error shows when a formula refers to a cell that’s not valid . This happens most often when…
Are the Tube tracks electrified? The Underground is electrified using a four-rail system, the DC traction supply being independent of the running rails. Planned improvements…