Useful tips for everyday
How do you use or in SQL? The OR condition can be used in the SQL UPDATE statement to test for multiple conditions. This example…
Do you need a privacy policy for a mailing list? If you’re part of the vast majority of marketers and business owners who invest in…
Can t connect to wifi after installing arch linux? What you should do: Boot into your Live-CD and arch-chroot into your system. From there you…
What is a form fill? A form filler is a software program that automatically fills forms in a UI. Form fillers can be part of…
What print resolution is best for art prints? Resolution For most artwork, 300 dpi is preferred. You can use 150 dpi for large prints because…
How do I open multiple windows in Emacs? In the mode line or scroll bar of a window, split that window. The command C-x 2…
What to do with OS X Utilities? The OS X recovery utilities includes access to Disk Utility for managing storage volumes. You can select an…
How to trigger a relay using transistor? As well as the standard Common Emitter configuration for a relay switch circuit, the relay coil can also…
What is difference between PyPy and Python? PyPy is a drop-in replacement for the stock Python interpreter, CPython. Whereas CPython compiles Python to intermediate bytecode…
How do I get summary statistics in R? R provides a wide range of functions for obtaining summary statistics. One method of obtaining descriptive statistics…