Xiaomi Mi 20W Smart Tracking Wireless Charging Pad review: Worth the hype?


In a world that seems keen to ditch cables, wireless charging is enjoying a growth in popularity and in technical development. Manufacturers like Oppo, OnePlus, and Xiaomi have been pushing wireless charging speeds to new heights with 30W and even 50W chargers, in an attempt to catch up with the ever-growing fast wired charging.

Continue reading: Xiaomi Mi 10 Ultra review

However, one of the less convenient aspects of using a wireless charging pad or stand is lining up the coil in the device with the coil in the charger. Often chargers don’t have any obvious markings to show where

AI ruined chess. Now it’s making the game beautiful again


Chess has a reputation for cold logic, but Vladimir Kramnik loves the game for its beauty.

“It’s a kind of creation,” he says. His passion for the artistry of minds clashing over the board, trading complex but elegant provocations and counters, helped him dethrone Garry Kasparov in 2000 and spend several years as world champion.

Yet Kramnik, who retired from competitive chess last year, also believes his beloved game has grown less creative. He partly blames computers, whose soulless calculations have produced a vast library of openings and defenses that top-flight players know by rote. “For quite a number of

Solving Null Pointer Exception in Java


Null Pointer Exception Java

While Java is one of the most in-demand and widely used programming languages in the world, it is not without its detractors. Java is not a particularly beginner-friendly language and it is rife with rigid rules and structures that can be tough to wrap your head around. Then there’s the NullPointerException.

Null pointer exception is an “exception” (error) that is particularly common when programming in Java. For a beginner, this is a confusing and daunting message to receive, but it can be just as much of a headache for pros to deal with! In fact, null pointer exceptions are so

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