Category: Popular lifehacks

What is MongoDB $exist? In MongoDB, we can check the existence of the field in the specified collection using the $exists operator. When the value of $exists operator is set to true, then this operator matches the document that contains the specified field(including the documents where the value of that field is null). How do […]

What does the Andalusia flag represent? Its name used to be Arbonaida or also Arbondaira. bajo el sol de nuestra tierra. under our land’s Sun….Flag of Andalusia. Use Civil flag Proportion 2:3 What is Andalusia called today? To the south the geographic subregion of Upper Andalusia lies mostly within the Baetic System, while Lower Andalusia […]

What is the visibility on Mars? Mars is currently visible, reaching its highest point in the sky around midnight. Earth’s closest neighbor is also at its brightest and will remain that way well into November. Right now, Mars is the third brightest object in Earth’s night. The Moon and Venus are the two brightest objects, […]

Is food allowed in San Diego Zoo? Guests are welcome to bring personal food items into our parks. Large food storage containers such as coolers are not permitted on grounds and no facilities are available for food storage. What days is San Diego Zoo open? Do Go All Year: The San Diego Zoo is open […]

What is a voltage divider circuit? A voltage divider is a simple series resistor circuit. It’s output voltage is a fixed fraction of its input voltage. The divide-down ratio is determined by two resistors. A very common and useful series resistor circuit goes by the nickname voltage divider. How does a potential divider circuit work? […]

Do Ray-Ban do prescription lenses? You can pair all of our iconic sunglasses with prescription lenses, from bold acetate frames like Wayfarer and Caribbean, to classic and geometric metal frames like Aviator and Round. Choose from a wide range of lens options including gradient lenses and Polarized lenses for enhanced clarity and contrast. How much […]

What is Indian Remy virgin hair? Virgin Indian Remy hair is not processed or chemically treated in any way. It is 100% natural, so there is no damage to the cuticles which protect the hair from the elements. This pure form gives the virgin hair a healthy, vibrant look you can see and feel. What […]

Which Mad Dog 357 Hot Sauce is the hottest? Mad Dog 357 Hot Sauce Silver Collector’s Edition 357 Mad Dog Collector’s Silver Edition Hot Sauce is the world’s hottest hot sauce (non-extract). How many scovilles is 357 hot sauce? Mad Dog 357 Silver Hot Sauce comes in at a whopping 750,000 Scoville units and rings […]

Is mini USB the same as micro USB? As their name suggests, mini and micro USBs are smaller than the regular Type A USB connector. They are slim and small like micro and mini USB connectors, but they are not the same thing and are only compatible with Apple devices. How do I know if […]

What does Begin the Beguine meaning? Originally Answered: What does begin the beguine mean? The beguine is a type of dance. “When they begin the beguine” is a song my Cole Porter, in which the singer recounts how when he hears the music for that dance, it brings back memories. So sometimes the phrase is […]