undefined-function

Backbone View: function is undefined

由 前提是你 提交于 2019-12-25 03:26:27
问题 I want to build a simple backbone app for depositing and withdrawing funds via Stripe. Since a lot of the functionality is common, I placed that in a Stripe view, and extend the Deposit and Withdraw views from it, like so: var App = { Models: {}, Collections: {}, Views: {}, Router: {} } App.Views.Home = Backbone.View.extend({ el: $('#main-content'), template: Handlebars.compile($('#home-template').html()), render: function() { this.$el.html(this.template()) return this }, events: { 'click

Undefined function error in LISP

由 孤街醉人 提交于 2019-12-14 04:23:57
问题 I am working on a Lisp program that contains code to read in the dimensions of boxes and then sort them from shortest to longest lengths (and set each of these new lengths as new variables). When I attempt to load my file into the interpreter, I get the following error: *** - EVAL: undefined function NEW-D1 I am confused as to why I'd be getting this error because new-d1 isn't a function, it's a variable for the length of the shortest edge of a given box. Here's the code where new-d1 is first

undefined reference to functions declared in lindo.h

由 淺唱寂寞╮ 提交于 2019-12-12 03:56:47
问题 I have the same problem described in this post: undefined reference to function declared in *.h file I am writing a C/C++ project Using Eclipse. How can I solve the same problem? I have tried going to: Project -> properties -> c c++ build -> settings -> Tool Settings->Gcc c++ libraries -> libraries -> libraries (-l) and adding the libraries in /lindoappi/bin/linux34. but it does not work. I added the directory to: Project -> properties -> c c++ build -> settings -> Tool Settings->Gcc c++

Error error C3861: 'cvPyrSegmentation': identifier not found

由 醉酒当歌 提交于 2019-12-11 15:34:04
问题 Could you please help me???Getting an error when executing coding below. I'm a newbie using OpenCV. My teacher is Mr. Google and you guys who expert in this field. IntelliSense: identifier "cvPyrSegmentation" is undefined Error error C3861: 'cvPyrSegmentation': identifier not found #include "opencv2/imgproc/imgproc.hpp" #include "opencv2/highgui/highgui.hpp" #include <stdlib.h> #include <stdio.h> static void help(void) { printf("\nThis program present the function of pyramid segmentation

Laravel: Call to undefined function Symfony\Component\Console\mb_convert_variables()?

由 痞子三分冷 提交于 2019-12-10 12:58:30
问题 I'm running a vanilla Amazon EC2 server. I installed PHP 5.5.21 myself. My web application is built on Laravel. For weeks, everything was working flawlessly. Now, however, when running the Laravel command to update the database schema: php artisan migrate I get the following error: PHP Fatal error: Call to undefined function Symfony\Component\Console\mb_convert_variables() in /var/www/mysite/vendor/symfony/console/Symfony/Component/Console/Application.php on line 1154 Oddly, I haven't made

pcntl_fork() returning, Fatal error: Call to undefined function pcntl_fork()

由 谁都会走 提交于 2019-12-08 15:46:26
问题 I'm trying to fork a command line run XAMPP php process using pcntl_fork(). When I run the command below: $pid = pcntl_fork(); if($pid == -1){ file_put_contents('testlog.log',"\r\nFork Test",FILE_APPEND); return 1; //error } else if($pid){ return 0; //success } else{ file_put_contents($log, 'Running...', FILE_APPEND); } I get: Fatal error: Call to undefined function pcntl_fork() Can anyone suggest how to fix this? 回答1: It is not possible to use the function 'pcntl_fork' when PHP is used as

touchableopacity onpress function undefined (is not a function) React Native

由 我的未来我决定 提交于 2019-12-07 11:41:34
问题 I want to be able to navigate to a new screen after tapping the TouchableOpacity button but I receive an error which says _this3.handleThisTap is not a function. (In '_this3.handleThisTap()','_this3.handleThisTap' is undefined) import React, { Component } from 'react'; import { Text, StyleSheet, View, TextInput, KeyboardAvoidingView, FlatList, TouchableOpacity, TouchableHighlight, } from 'react-native'; import { SearchBar, Wrapper, ItemWrapper, } from './searchView.styles'; export default

Why does the C++ linker allow undefined functions?

由 核能气质少年 提交于 2019-12-03 04:46:40
问题 This C++ code, perhaps surprisingly, prints out 1 . #include <iostream> std::string x(); int main() { std::cout << "x: " << x << std::endl; return 0; } x is a function prototype, which seems to be viewed as a function pointer, and C++ Standard section 4.12 Boolean conversions says: 4.12 Boolean conversions [conv.bool] 1 A prvalue of arithmetic, unscoped enumeration, pointer, or pointer to member type can be converted to a prvalue of type bool. A zero value, null pointer value, or null member

Why does the C++ linker allow undefined functions?

由 江枫思渺然 提交于 2019-12-02 18:00:15
This C++ code, perhaps surprisingly, prints out 1 . #include <iostream> std::string x(); int main() { std::cout << "x: " << x << std::endl; return 0; } x is a function prototype, which seems to be viewed as a function pointer, and C++ Standard section 4.12 Boolean conversions says: 4.12 Boolean conversions [conv.bool] 1 A prvalue of arithmetic, unscoped enumeration, pointer, or pointer to member type can be converted to a prvalue of type bool. A zero value, null pointer value, or null member pointer value is converted to false; any other value is converted to true. For direct-initialization (8

Call to undefined function password_hash() [closed]

由 六月ゝ 毕业季﹏ 提交于 2019-11-26 16:52:16
问题 I am running php version 5.4.16 on localhost right now, while I am developing my site. I want to use password_hash() , but I keep getting this error: Fatal error: Call to undefined function password_hash() in /dir/to/file.php on line 123 Why is this happening? Thanks! 回答1: The new password_* methods are only available as of PHP 5.5: http://www.php.net/manual/en/function.password-hash.php Take a look at this library that provides forward compatibility: https://github.com/ircmaxell/password
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