Questions tagged [function-binding]

Function binding is the practice of taking a generic function and binding it to a specific context. For example taking a function which requires a parameter and creating a bound parameterless function where the parameter is supplied as the context.

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Exception in Tkinter callback: TypeError: float() argument must be a string or a number, not 'Event'

import tkinter as tk import tkinter.font as font import matplotlib.pyplot as plt import numpy as np import pandas as pd from sklearn.linear_model import LinearRegression from sklearn.model_selection import train_test_split s_data =…
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Javascript: currying function parameter without setting its function context

My understanding is that as per spec, the parameters set in bind() are final and cannot be overridden. I would like to know if there is any way of achieving something like this, which fails to give me the results that I want: const Student = { …
Maths noob
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How to re-bind() the same function in Javascript?

I am writing a wrapper that accepts a callback function to pass on to another function or execute directly. The problem is that another functions have bound parameters with callback parameter having a different argument number. Therefore initial…
Anonymous
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How to call a function in componentDidMount dynamically?

Consider this componentDidMount() { const { currentUserId, userList } = this.props; //I get these from redux' mapStateToProps function; //these are not passed down as regular props. Mousetrap.bind(['shift+right'], () => …
R. Kohlisch
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Python 2.6.6: Binding print to any other function causes 'Syntax Error'

I'm trying to implement a basic debugging flag into my code. I'm planning on doing this by binding print to logFile.write so instead of logging the process my code executes, it'll print it so the user can see it done and see where it may mess up. I…
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Bind click events on loaded ajax contents

I'm trying to load contents through ajax and then perform some click events on those contents. So basically I want to first load the contents(Buttons in this case) and then apply some click events on them . and hence I'm using callbacks for the…
Nprogrammer
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Avoiding a per-iteration bind inside React render loop

I have a React component that renders a list of files. Sometimes the list is quite long, and as pagination isn't ideal from a UI perspective in this case, the list of files becomes quite slow during re-rendering (e.g. when dragging and dropping…
Malvineous
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Using a single Azure Function to access multiple users' resources on their behalf

TL;DR: I'm not sure how to go about accessing multiple users' in our organization's calendar resources (read only), and if it's possible to do so in a single Azure Function. Any guidance to what I can do would be much appreciated. As the title says,…
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boost::bind()-like thing, but for function calls

Given boost::bind or the std:: equivalents, I can make this: int f(int a, int b) { return a + b; } auto f_two = boost::bind(f, 1, 1); So that f_two() will return 2 by effectively calling an intermediate function that calls f(1, 1) via whatever…
Ken Y-N
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setState interferes with binding a function

I have a working piece of code. It shows 5 stars on the screen, and you can click on them to change your rating of a product. The code posted below works. However, once I insert the "this.loadInitialState()" function in my componentWillMount, it…
Campo Blanco
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Binding / piping output of run() on/into function in python3 (lynux)

I am trying to use output of external program run using the run function. this program regularly throws a row of data which i need to use in mine script I have found a subprocess library and used its run()/check_output() Example: def…
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How to bind function as a property of object

I have a function which takes an object property, in this object I want to pass a function as one of the properties. I will like to execute the function when the property is called. I need to bind the function as the this context is lost before the…
lboyel
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Error using .bind() in React event handler

I am working through a React tutorial and cannot understand why I am having a bug. I am attempting to add this button element using React: the event handler should call the…
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JavaScript Function.bind(): default this argument

The first parameter to the bind method is the new this value. The problem is that this appears to replace the natural this value. In particular, if used for an event listener, it is no longer the triggering element. For example: var…
Manngo
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404 error when binding named function with jQuery ajax inside

Doing an ajax request when click button works fine, return as expected. But the problem is when I try to bind a function to an element with an ajax request inside. The function give me 404 error on this url, but the file exist (same server, same…