• Git copy file preserving history
    • Other • Git
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  • MongoDB update with a random number. For example, I update field viewcount with a random number. I can use Math.random. Here is an example to update a random number between 50 to 100.
    • Other • MongoDB
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  • I installed MongoDB in DigitalOcean Droplets. Here is how I connect MongoDB externally like remote, localhost or Studio 3T.
    • Other • MongoDB
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  • How to Serve ES6 to Modern Browsers and ES5 to Legacy Browsers
    • Javascript • Typescript • ES6 • ES5
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  • MongoDB loads but breaks, returning status=14
    • Other • MongoDB
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  • This tutorial is to build a point-of-interest (POI) favouriting system.
    • React • Javascript • Typescript • Create-react-app • CRA • Mapbox • point-of-interest • POI
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  • Here are the two function utils to load state or save state with localStorage.
    • Javascript • Typescript • localStorage
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  • When zooming in the map, save some national parks in the lists. Then, zooming out and clicking the national parks from the saved places, with flyTo method, it can fly to the selected Poi area. But the Poi mark may not be shown because the zoom size is not appropriate.
    • React • Javascript • Typescript • Create-react-app • CRA • Mapbox • Zoom
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