Useful tips for everyday
How do I turn off direct sharing on Android? How to disable the “direct share” area on Samsung Galaxy smartphones Open the “Settings” app. Type…
How to use count in group concat in MySQL? You need to COUNT () with GROUP BY in an inner SELECT clause first and then…
How are query Vars used in WordPress.com? For example, in the URL http://example.com/?p=1 the p query var is set to 1, which will display the…
Can Docker images run anywhere? An application that runs using Docker will start up the same every time on every system. This means that if…
What does dBu mean in audio? dBu (a.k.a. dBv (lower case v)) Abbreviation for decibels as referenced to voltage. In this case the zero reference…
How does SQL Injection work in PHP application? The code accepts user input (in this case, from a GET parameter) and includes it directly in…
How to pass data from one Visualforce page to another? Please note – For simplicity creating and serializing JSON of Data has not been mentioned.…
How do I change the language of dictation on a Mac? How to change your Dictation language Open System Preferences from your Dock or Applications…
How do you pass more than one parameter? Any word after the question mark (?) in a URL is considered to be a parameter which…
What is the null hypothesis model? The null hypothesis is a typical statistical theory which suggests that no statistical relationship and significance exists in a…