MySQL how to keep track of file directory in database when they move?

I have a table like so: create table files (id int not null primary key auto_increment, path varchar(255)); insert into files (path) values (‘C:\\Users\\eduards\\Desktop\\range.jpg’); select * from files; Result table: If the file mentioned above, moves to another folder. Does MySQL have a function or something to watch this path and update the path wherever…

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ChangeNotifierProvider shows gray screen

I have the following code class to hold my items as follows: class ItemList extends ChangeNotifier { List items = [ { “id”: “1”, “type”: “men”, “liked” : true, “cuisine”: “Americain”, “img”: “../../images/jeans.png”, “price” : 1, }, { “id”: “2”, “type”: “men”, “liked” : true, “cuisine”: “Americain”, “img”: “../../images/jeans.png”, “price” : 2, }, { “id”:…

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Testing for bits on numpy

I need to do some bitstream parsing using Python & numpy. It seems to be not that straightforward, as the bitwise and doesn’t seem to work with numpy bytes (uint8). What am I missing here..? import bitstring import numpy byteform = b”\x56″ bitarray = bitstring.BitArray(byteform) numbyte = numpy.uint8(56) pyint = 56 bitarray.bin # that gives…

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Phone Number Authentication for React Native using FireBase

I’m getting this Error called undefined is not a constructor (evaluating ‘new_firebase.default.auth.RecaptchaVerifier’) //React-Native Design Part <View style = {styles.buttonStyle} > <Button title = ‘Next’ id = ‘next-button’ onPress={this.NextButton.bind(this)} color=”#6a0dad”> </Button> </View> //Node JS Firebase Authentication part NextButton() { console.log(this.state.number); //The Phone Number recieved from the User. firebase.auth().languageCode = ‘it’; window.recaptchaVerifier = new firebase.auth.RecaptchaVerifier(‘next-button’, { ‘size’:…

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