referenceerror

Qt: Undefined reference to 'vtable' [duplicate]

由 北慕城南 提交于 2020-02-02 16:32:26
问题 This question already has answers here : Qt Linker Error: “undefined reference to vtable” [duplicate] (9 answers) Closed 4 years ago . I am working on a program in Qt using c++. But i got stuck at this point because of this error. The weird thing is that i created a separate program in which the following code worked but when i put the code inside my program i get an error. error: undefined reference to `vtable for Create_button_config' The error is in the Header file in which i create the

Qt: Undefined reference to 'vtable' [duplicate]

由 狂风中的少年 提交于 2020-02-02 16:31:47
问题 This question already has answers here : Qt Linker Error: “undefined reference to vtable” [duplicate] (9 answers) Closed 4 years ago . I am working on a program in Qt using c++. But i got stuck at this point because of this error. The weird thing is that i created a separate program in which the following code worked but when i put the code inside my program i get an error. error: undefined reference to `vtable for Create_button_config' The error is in the Header file in which i create the

JavaScript new Function scope ReferenceError

由 耗尽温柔 提交于 2020-02-02 08:16:25
问题 is there any way to make the code below working? (function(){ var n = "abc"; (new Function("return alert(n);"))(); })(); If I run the code in browser result is: " Uncaught ReferenceError: n is not defined ". Also, I need to some other variables like "n" make accessible inside the "new Function" too. Please help, Thank you 回答1: So you need to make that variables global. (function(){ window.n = "abc"; (new Function("return alert(n);"))(); })(); 回答2: When you use the new Function method (which

Lexical declaration problems with default params [duplicate]

由 ☆樱花仙子☆ 提交于 2020-01-30 10:54:48
问题 This question already has an answer here : JS default argument value from variable: why must identifier be different? [duplicate] (1 answer) Closed 2 years ago . I'm having some problems when defining some functions after declaring a class . I've used default params before when declaring functions, but I don't know if I can use a function or class as default parameter too. My code is this const Matrix = class {/*...some code...*/} const sigmoid = function(A, flag = false, factor = 1, Matrix =

ReferenceError:Something_anything_nothing is not defined

由 百般思念 提交于 2020-01-16 19:32:06
问题 I am getting ReferenceError:something_anything_nothing is not defined error... Please help. <script> function show(str) { var r=str; alert(r); } </script> <?php $l='something_nothing_anything'; echo "<select onChange='show($l)'>"; echo "<option></option>"; echo "</select>"; ?> 回答1: You probably need to wrap the value in $l in quotes, like this: $l='"something_nothing_anything"'; 回答2: $l='Somethin_nothin_anythin'; $buffer="<select onchange='show(\'".$l."\')'>"; $buffer.= "<option></option>";

window is not defined when consuming webpack multi-part-library sample files

由 感情迁移 提交于 2020-01-16 03:55:11
问题 I'm trying to figure out how this webpack library works. The sample code I use is from here https://github.com/webpack/webpack/tree/master/examples/multi-part-library When I ran "webpack" it produce "dist/MyLibrary.alpha.js" and "dist/MyLibrary.beta.js" in the same folder. Then I create a test.js to consume the library and ran it. Other than running webpack and creating the test.js, nothing from the sample files were changed. Consuming alpha.js works fine, but MyLibrary.alpha did not. /

Why does typeof only sometimes throw ReferenceError?

由 做~自己de王妃 提交于 2019-12-30 08:09:09
问题 In Chrome and Firefox, typeof foo evalulates to 'undefined' . But typeof (function() { return foo; })() throws an error: ReferenceError: foo is not defined This destroys the notions that I have of susbstitutability of expressions! Until now, I knew of no conditions for which foo and (function() { return foo; })() are not the same. Is this standard behavior? If so, it would be helpful to quote the relevant part of the ECMAScript standard. EDIT: Another example: typeof (foo) typeof (foo + 0) I

My jQuery Won't Work on my Webpage

由 假如想象 提交于 2019-12-25 19:46:32
问题 All of my HTML and CSS code works fine, and my script is properly linked (or so I assume), but I can't get the script to load or do any actions I've coded. Here's my HTML, CSS, and JS code: HTML <!DOCTYPE html> <html> <head> <title>Highlights</title> <link rel='stylesheet' type='text/css' href='testwebcss.css'/> <script type='text/javascript' src='testwebjs.js'></script> </head> <body> <div id="title" class="highlighted">I'm highlighted!</div> <div id="text">Highlight me, too!</div> </body> <

Richfaces tree is giving me an “Uncaught ReferenceError tree is not defined”

由 大憨熊 提交于 2019-12-25 12:53:09
问题 I believe my problem is in a settings file somewhere, but I have no idea what file/setting that would be. I have a standalone project with a working tree, but when I try to integrate it with my real project I start getting the mentioned error. That's what makes me think I have a setting somewhere that's off. I'm using JSF1.2 and richfaces 3.3.3. Here's my JSP file. <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <%-- jsf:pagecode language="java" location="/src/java/pagecode

Uncaught ReferenceError - Function is not defined

由 落花浮王杯 提交于 2019-12-25 09:15:43
问题 I have created a small website with a couple of buttons. Each button should call a previously defined JS function. But with every button press I get a ReferenceError stating that the function is not defined. (index):1 Uncaught ReferenceError: mainLightOn is not defined Here's the code of my site: <!DOCTYPE html> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <title>Home Cinema Control Center</title> <link rel="stylesheet" href="http://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap
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