Useful tips for everyday
How to delete a source file in rsync? It tells rsync to remove from the sending side the files (meaning non-directories) that are a part…
How to install developer toolset 7 on CentOS? Install a package with repository for your system: # On CentOS, install package centos-release-scl available in CentOS…
How do I put a message on the logon screen? On the Local Policy Setting tab, enter your message in the text box and click…
Do DB indexes need to be unique? primary: must be unique, is an index, is (likely) the physical index, can be only one per table.…
How do I use Instanceof operator? instanceof is a binary operator used to test if an object is of a given type. The result of…
How can I output text from the terminal? To output any string or number or text on the terminal, type the following command and press…
How many examples do you need to train a neural network? But if you’re trying to solve ImageNet then you need training data on the…
What are the disadvantages of a pocket joint? Not much to complain about compared to all the benefits you get with a pocket hole joint.…
How do I turn on Home and End keys on a Mac? With a Mac keyboard, there are two keyboard shortcuts that provide Home and…
Which is the state update equation in Kalman filter? I’ve provided extensive description of the State Update Equation in the ” α − β −…