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Parsing JSON with Unix tools
There are a number of tools specifically designed for the purpose of manipulating JSON from the command line, and will be a lot easier and more reliable than doing it with Awk, such as jq: You can also do this with tools that are likely already installed on your system, like Python using the json module, and so…
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Detect Route Change with react-router
react-router v6 In react-router v6, this can be done by combining the useLocation and useEffect hooks For convenient reuse, you can do this in a custom useLocationChange hook If you also need to see the previous route on change, you can combine with a usePrevious hook It’s important to note that all the above fire on the first client route being mounted, as well as…
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How to update location.state in react-router v6?
You could read the passed route state into local component state and issue a redirect without state to the current path to clear out the state. This would prevent any back navigations to the page to retain any route state. Example:
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How to Delete cache and app dir in flutter
You need path_provider package Then try this code:
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How to get the size of a directory including its files
This is a example walk a directory recursively (sync version). Async version can be done with dir.list() and its listen() method.
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ScrollController how can I detect Scroll start, stop and scrolling?
From this link https://medium.com/@diegoveloper/flutter-lets-know-the-scrollcontroller-and-scrollnotification-652b2685a4ac Just Wrap your SingleChildScrollView to NotificationListener and update your code like .. And just declare method like You will be notify by particular method.
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How to make flutter app responsive according to different screen size?
126 Using MediaQuery class: MediaQuery: Establishes a subtree in which media queries resolve to the given data. MediaQueryData: Information about a piece of media (e.g., a window). To get Device Pixel Ratio: To get width and height of the device screen: To get text scale factor: Using AspectRatio class: From doc: A widget that attempts to size the child…
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Read content of *multipart.FileHeader into []byte
Try ioutil.ReadAll In your case do; You may also want to see this example from multipart package docs, https://play.golang.org/p/084tWn65-d
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How to clear a map in Go?
You should probably just create a new map. There’s no real reason to bother trying to clear an existing one, unless the same map is being referred to by multiple pieces of code and one piece explicitly needs to clear out the values such that this change is visible to the other pieces of code.…
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How to convert DateTime into different timezones?
Here is my solution for EST time zone but you can change it to any other