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Python
2021-09-09 07:29:01
django save another class data while saving a class
class Visit(models.Mode): attribute = etc etc etc def save(self, *args, **kwargs): # do something with Invoice here return super().save(*args, **kwargs)
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Javascript
2021-09-08 09:51:03
react allow only numbers in input
class App extends React.Component{ constructor(){ super(); this.state = {value: ''}; this.onChange = this.onChange.bind(this) } onChange(e){ const re = /^[0-9\b]+$/; if (e.target.value === '' || re.test(e.target....
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Python
2021-09-04 21:52:01
how to get the parent class using super python
class Foo(Bar): def __init__(self, *args, **kwargs): # invoke Bar.__init__ super().__init__(*args, **kwargs)
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Other
2021-09-01 00:00:04
tkinter explorateur de fichier image
import tkinter as tk class Application(tk.Frame): def __init__(self, master=None): super().__init__(master) self.master = master self.pack() self.create_widgets() def create_widgets(self): self.hi_there = ...
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Java
2021-08-31 22:51:02
super in javascirpt
class Rectangle { constructor(height, width) { this.name = 'Rectangle'; this.height = height; this.width = width; } sayName() { console.log('Hi, I am a ', this.name + '.'); } get area() { return this.height * this.width; } ...
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Javascript
2021-08-29 22:02:01
how to write statefull class in react
import React, {Component} from 'react' class Pigeons extends Component { constructor() { super() this.state = { pigeons: [] } } render() { return ( <div> <p>Look at all the pigeons spotted today!</...
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Javascript
2021-08-29 17:40:02
conditional css class styling
class App extends Component { constructor() { super() this.state = { isRed: true } } render() { const isRed = this.state.isRed return <p className={isRed ? 'class1' : 'class2'}>Example Text</p> } }
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Javascript
2021-08-29 15:00:02
class in react
class App extends Component { constructor() { super() this.state = { name: "Sally", age: 13 } } render() { return ( <div> <h1>{this....
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Python
2021-08-27 19:19:02
python kivy bind
from kivy.core.window import Window from kivy.lang import Builder from kivymd.app import MDApp from kivymd.uix.filemanager import MDFileManager from kivymd.toast import toast KV = ''' MDBoxLayout: orientation: 'vertical' MDToolbar: tit...
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