Useful tips for everyday
What is placeholder shown? The :placeholder-shown pseudo-class selects the input element itself when placeholder text exists in a form input. Think of it as a…
Why does my iPad not have a software update option? The Settings>General>Software Update only appears if you have iOS 5.0 or higher currently installed. If…
How do you know if two boxes overlap? Then the way to check for an overlap is this: Compare the intervals [x1,X1] and [x2,X2], and…
What is a piezo trigger? The head piezo works as a shock pulse sensor, the rim piezo on the other hand, as a detector for…
What is rolling shutter problem? The rolling shutter effect takes the form of distortion appearing in photos where an object (or the camera) is moving…
Why does my SVG look pixelated in Photoshop? The problem is as the graphic becomes smaller there are less pixels to work with. When rendering…
What does it mean to be on top of your class? : having among the highest grades in one’s class He graduated at the top…
Why password expiration is bad? Password expiration is no longer relevant. In fact, if you conduct a risk-based analysis, you will quickly determine that password…
Do subdomains inherit SPF records? It is important to note that you must set a separate record for each subdomain as subdomains do not inherit…
What is PBKDF2? PBKDF2 prevents password cracking tools from making the best use of graphics processing units (GPUs), which reduces guess rates from hundreds of…