Useful tips for everyday
How do I restore my new iPhone from iCloud when my phone is broken? Question: Q: Restore from iCloud if old phone is broken Go…
Why does PostgreSQL duplicate key violate the unique constraint? The problem is that i have a table and a column “id” i want it to…
How do you group folders on a Mac? Organize items into folders You can quickly group items on the desktop into folders. Select all the…
Can WebSocket and HTTP on same port? Yes it can run on the same port, in fact it must run on the same port; the…
How do I reinstall the App Store on my Mac? To quickly refresh the App Store on Mac OS X, just hit Command+R at any…
How do I go to a specific line in vi editor? If you’re already in vi, you can use the goto command. To do this,…
What is the difference between Entity Framework and LINQ to SQL? LINQ to SQL allow you to query and modify SQL Server database by using…
How are sandboxed solutions managed in Visual Studio 2010? Sandboxed solutions are managed through a new Solution Gallery at the site collection level and farm-level…
How do I always open Visual Studio as an administrator? On the Windows desktop, right-click the Visual Studio shortcut, and then select Properties. Select the…
How do you find the magnetic field in Biot Savart law? The magnetic field at point P is calculated by the Biot-Savart law (Equation 12.2.…