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Javascript 2021-09-19 17:22:05
send multipart form data axios with node js
import React from 'react' import axios, { post } from 'axios'; class SimpleReactFileUpload extends React.Component { constructor(props) { super(props); this.state ={ file:null } this.onFormSubmit = this.onFormSubmit.bind(this) ... Add solution -
Python 2021-09-18 07:12:02
matplotlib custom ticks
axis.set_yticks([0.5,0.6,0.7,0.8,0.9,1.0]) Add solution -
Python 2021-09-18 07:08:02
python convert integer to signed base 2 complement
def twos_comp(val, bits): """compute the 2's complement of int value val""" if (val & (1 << (bits - 1))) != 0: # if sign bit is set e.g., 8bit: 128-255 val = val - (1 << bits) # compute ... Add solution -
Java 2021-09-18 01:18:03
how to switch between two stylesheets in javafx.
import javafx.application.Application; import javafx.event.ActionEvent; import javafx.event.EventHandler; import javafx.scene.Scene; import javafx.geometry.Pos; import javafx.scene.control.Button; import javafx.scene.control.Label; import javafx.scene.con... Add solution -
Javascript 2021-09-17 20:11:02
react convert excel to json
import React, { useState } from "react"; import "./App.css"; import * as XLSX from "xlsx"; class ExcelToJson extends React.Component { constructor(props) { super(props); this.handleClick = this.handleClick.bind(thi... Add solution
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