Questions tagged [debugging]

Debugging is a systematic approach aimed at discovering and resolving glitches within a software program. **CRUCIAL REMINDER:** This label exclusively pertains to inquiries regarding debugging methods or the actual act of debugging, rather than soliciting assistance in debugging your own code.

Mastering the art of debugging a mongoose action in node.js

I am utilizing mongoose for connecting my node.js app with mongoDB. However, I am facing an issue where the database does not get updated when I create or update a model instance. How can I effectively debug and identify what goes wrong in the create or up ...

When PyCharm is not in debug mode, it runs smoothly without any issues, but as soon as debug

UPDATE: After reverting back to PyCharm version 2017.2.4, the script started working again. It seems that the issue was with the IDE and not the script itself. Recently, my script has been running smoothly until today. Strangely, it only runs without any ...

Python Google API client: Issues with log level and debug level functionality not functioning as expected

During the creation of a simple Python app on AppEngine, I came across this helpful page: https://developers.google.com/api-client-library/python/guide/logging The page suggests using the following code to set the log level: import logging logger = logg ...

Tips for locating the bug line or file in Angular 2

I am currently following the Angular hero tutorial, and I have reached the Routing step. However, I encountered an issue with my script not working properly. The default template only displays "Loading..." text, indicating that there is an error in one of ...

What are the troubleshooting tools available in Electron for detecting errors and debugging issues?

What is the process for accessing error messages and console logs in Electron while developing? Can the logs be saved directly to a file as well? Edit: Similar to how error messages and console logs are shown in Chrome's dev tools, but within Electro ...

Troubleshooting React using breakpoints: A step-by-step guide

Currently I am working with Chrome and facing an issue. For instance, I require Component.jsx and want to set a breakpoint at a specific location. When I press F12, navigate to the Sources tab, and use Ctrl+P to search, I only find 1.chunk.js, bundle.js, ...

Having trouble with a switch statement in Javascript that is unable to find a case for "none."

In my code, I am checking to see if there is a ball in a specific map point and then changing the color of the pixels where the ball is located to match the color of the ball. Here is my code snippet: function UpdateColorInMapPoints(mapPointIndexs) { / ...

Disabling breakpoints without bounds during TypeScript debugging in Visual Studio Code

While working on my Ubuntu machine using VS Code to debug a Nest.js TypeScript project, I am encountering issues with unbound breakpoints that are not being hit. Despite making various changes in the launch.json and tsconfig.json files, as well as trying o ...

Vim users now have access to a powerful PHP debugger specifically designed for debugging command

I recently encountered an issue with my vim debugger that requires me to add an Xdebug cookie in my browser by appending ?XDEBUG_SESSION_START=1. Unfortunately, I found it challenging to set this cookie/session while calling a script on the CLI. Can anyo ...

Ways to prompt the debugger to pause whenever a specific script file is called during execution in Edge/Chrome debugger

I am currently in the process of debugging a Typescript web application, which is quite new to me as I have never delved into web development before. This particular project entails multiple script files and various libraries. While running the applicatio ...

What are some methods for increasing the speed of debugging in Python + Django + PyCharm on a Windows operating system

Enhancing Django Debugging with PyCharm. Every time I try to debug something, the process runs terribly slow. The start-up time for Django is excessively long. Let me clarify - I am a big fan of PyCharm for its comprehensive debugging features...and Pyt ...

Potential breakpoint (Breakpoint established but not yet linked)

My experience with debugging my Angular app in Chrome was going smoothly through the Chrome Debugger extension with automatic settings. However, something changed after a Windows 7 reboot and all my breakpoints became inactive. I suspect this was due to a ...

Encountering difficulties debugging a Next.JS application on the server side within VSCode, despite diligently following the official debugging guide and utilizing the official starter template

I'm currently troubleshooting an issue with debugging server-side code in a Next.JS application using VSCode's debugger. Unfortunately, I am encountering difficulties in getting breakpoints to bind successfully. Oddly enough, when utilizing Chrom ...

The React Material-UI library, MUI, encountered an unexpected input for spacing. Instead of a number or string as expected, it received [object Object

I encountered a perplexing issue while working on my MUI-core project that I can't seem to troubleshoot. The error message in the console reads: MUI: Expected spacing argument to be a number or a string, got [object Object]. Despite searching the offici ...

``Eclipse: Mastering the Ins and Outs of Running and Trou

I am having an issue running a node.js project locally and setting up a debugging session. Typically, I would use the "debug as" feature in Eclipse to run a node project with debugging enabled. However, after starting the debugging session, nothing seems t ...

Does the current protected route that I am on restrict the user from navigating back to the Home component?

I'm having trouble figuring out how to redirect the user to the Home component when they logout. The API is functioning correctly based on my tests. However, I am unsure of how to implement the logout method in the current context to successfully log out ...

Issue with Python list indexing within a for loop containing an inner while loop

Provided below is my optimized code: from collections import Counter class Solution: def minWindow(self, s: str, t: str) -> str: left = 0 right = float("inf") ref = Counter(t) necessary_count = sum(ref.values()) ...

Guide to making Python's virtual machine output a stack trace

I'm currently faced with an issue on a server built using Python that freezes unexpectedly, causing the logging to also cease. I am curious if there is a command similar to Java's "kill -3" signal in Python that could print out the current stacktrace for ...

There seems to be an issue with VS Code: the function filter is not working as expected when applied to the result of

Recently, I've encountered a frustrating error in VS Code that is hindering my ability to create new files or open existing ones. The pop-up error message that appears states (this.configurationService.getValue(...) || []).filter is not a function This er ...

Is there a way to redirect the course of Maya history?

Maya script logs and errors are displayed in the history tab. This includes output from all commands and python scripts. To improve script debugging, I am looking to have all logs sent to a specific location on the server. How can I intercept and redirect ...

Is there a way to identify the specific segment of code utilized when making an API call to a Node.js REST API?

Curious how to identify which part of a Node.js and Express.js REST API code is utilized during an API call? Looking for a way to view this information without manually analyzing the code line by line? ...

The PHP script is exhausting memory resources and triggering a fatal error

I encountered the following error message: Fatal error: Allowed memory size of 268435456 bytes exhausted (tried to allocate 528384 bytes) in /home/u234536193/domains/monetizingonline.com/public_html/wp-includes/wp-db.php on line 2024 The problematic cod ...

What steps can be taken to troubleshoot and resolve this specific TypeScript compilation error, as well as similar errors that may

I am struggling with this TypeScript code that contains comments and seems a bit messy: function getPlacesToStopExchange(): { our: { i: number; val: number; }[]; enemy: { i: number; val: number; }[]; //[party in 'our' | 'enemy' ]: ...

Troubleshooting AJAX, PHP, and mySQL Interactions

I am experiencing issues with my password change script on my website. I am utilizing an AJAX connection to my php file. While my database connection seems stable and variables are being sent correctly (based on firebug), they seem to disappear along the w ...

I'm perplexed by the Segmentation Fault error I received in Python. Could it be related to the fact that /tmp is

I have encountered a strange issue with my custom Python 2.7.3 application running on CherryPy in Linux. When attempting to start or stop the service using a service script located in /etc/init.d/, I kept getting a Segmentation Fault (SIGSEGV). However, ma ...

Debugging in Node.js - automatic error message generation

Hello, I am a beginner in the world of nodejs (async) debugging and could really use some assistance when it comes to dealing with error messages. var l, m, opiton= {}; // It appears that the variable 'option' has been mistakenly spelled as &apo ...

What steps should be taken to address the node-sass version compatibility issue that arises while executing npm run dev?

Whenever I try to execute npm run dev, I keep encountering the following error message: Error: Node Sass version 7.0.1 is not compatible with ^4.0.0. Even after adjusting the node-sass version to 6.0.0 based on the compatibility list (https://github.com/ ...

Troubleshooting in VS Code with Mocha and hitting a breakpoint that halts at the 'read-only inlined content from source map' file

Yes, yes, I understand. Current VS Code version is 1.25.1 Mocha version: 4.0.1 Mocha running through launch.json: { "name": "mocha", "protocol": "inspector", "type": "node", "request": "launch", "program": "${workspaceRoot}/node_modu ...

Start creating a Laravel project

Compiling Entire Laravel Project: Is there a way to easily compile and build the entire Laravel project at once? This process would help identify any exceptions that may occur throughout the project. In languages like .NET and Java, developers have IDEs t ...

Troubleshooting AngularJS2 and npm in WebStorm and Chrome for Windows users

Having completed the official Hero tutorial for AngularJs2 using Visual Studio Code, I decided to switch my coding and debugging setup to WebStorm+Chrome on Windows 10. To achieve this transition, I took the following steps: Installed Chrome JetBrains ...

Unraveling the Mystery of jQuery AJAX Response: Where Have I Gone Astray?

$.ajax({ type: 'POST', url: 'place/add', data: { lat: 45.6789, lng: -123.4567, name: "New Place", address: "123 Main St", phone: "555-1234", review: "Great place!", category: "Restaurant" ...

Exploring the depths of Laravel through debugging techniques using PHP, AJAX, and the

Can you recommend a more effective option than firePHP for showcasing server-side logs in the developer console on various browsers such as Firefox and Chrome for AJAX debugging? When it comes to using firePHP in Laravel, what is the preferred method? Sho ...

What could be causing my AngularJS code to malfunction?

I am having trouble with this code that is supposed to retrieve data from my web API. Despite checking multiple times, it still doesn't seem to be working. Can someone please assist me in identifying any mistakes in the code? var MyApp = angular.module("M ...

What could be causing the TypeError that is preventing my code from running smoothly?

I can't seem to figure out why I'm constantly encountering the error message Cannot destructure property 'id' of 'this.props.customer' as it is undefined.. Despite double-checking my code and making sure everything looks corre ...

Why is it that GetElements does not provide immediate results upon execution?

Just diving into the world of Javascript for the first time and experimenting with it on Chrome, but running into unexpected results. When I try: document.getElementsByTagName("h1") I anticipate seeing: <h1>tester h1 in body</h1> Instead, wh ...

When debugging in Visual Studio 2013, Typescript variables/fields consistently show up as undefined

What is the reason behind the properties/field variables in Typescript being consistently undefined during debugging in Visual Studio 2013? ...

Is there a way to send functions from a main component to manage events in a sub component with Next.JS?

I have undertaken the task of creating a FormGenerator.jsx component in Next.js to dynamically generate forms based on an array of objects passed to it. The FormGenerator will loop through each object, rendering child components like TextField and TextArea ...

View the HTML output in a Rails Ajax Call

For debugging purposes, I am trying to view the HTML response when making an AJAX request. Currently, when I check the response, I see tags like: <li>something</li> What I actually want is: Something I do not want to see the tags, just the ...

The alert box is failing to open

When I click the button, I expect an alert box to appear but nothing happens. I'm unsure whether I need to include var before the identifier in the function signature like this: function popup(var message) <!DOCTYPE html> <html lang="en-ca"> & ...

What is the best way to show a partial based on the variable in the index function of my controller?

I've been struggling to correctly display my partial based on the variable inside my index function. I've experimented with various approaches such as {{ $test }}, "test", and $test in the if statement without success. How can I resolve this issu ...

How can I efficiently verify page references using tools like CSS, JavaScript, and more?

I have Firebug (my team lacks Firefox) and the IE developer toolbar (IE7), but I'm struggling to easily validate if the referenced files in a page are loading. I see Javascript errors, but they don't lead me directly to the exact file in the hierarchy of j ...

Avoiding PyOSC from catching exceptions

PyOSC handles exceptions in a very polite manner, however, it can be challenging to debug. How can I overcome this issue? As an example, when encountering a coding bug, PyOSC may report it as: OSCServer: NameError on request from localhost:50542: global ...

"Python Spyder Trace Debugging: Unraveling Code Mish

There's a strange situation happening where every time I get an AttributeError, the traceback always points to the exact same line number in my code. Traceback (most recent call last): File "<ipython-input-59-513669e63f3e>", line 4, in <module ...

Custom taxonomies in WordPress offer a powerful way to organize

Is there a way to display a list of all custom taxonomies that are siblings to the current page in single.php? Here is an example of my taxonomy structure: Categories -- Ancient +++ Greek ///// Plato ///// Socrates +++ Roman +++ Indian -- Classic -- Mo ...

Chrome full screen mode can be toggled on websites after ajax data has loaded

I am currently experiencing a frustrating issue with Chrome on my webpage. The pagination feature loads content via an ajax call at: Whenever I click on the 2nd, 3rd, or subsequent tab in the pagination, the load process occurs but then suddenly jumps int ...

Tips for troubleshooting a node module that is part of a build process

When working on my applications, I often rely on the NPM package.json to handle my build tools. However, I've come across a module that seems to have a bug. I'm eager to debug it, but I'm unsure how to do so within the context of the build task. My curren ...

How can I perform a "forward trace" using PHP?

I know the debug_backtrace function in PHP quite well and have found it to be very helpful. However, I am dealing with a particularly messy scenario where I need to insert a function call and get a list of every function that is called after that point unt ...

Error encountered in the React task manager application: TestingLibraryElementError - Element with [data-testid="add-task-form"] could not be located

I've been working on testing my basic task manager app built with React. Below are the components and test files: Component (AddTask.js) import React, { useState } from 'react'; function AddTask({ addTask }) { const [task, setTask] = use ...

The debugger in Python offers both step-through and free-running modes, allowing developers to navigate through code execution along distinct paths

After running the script import sys if sys.gettrace(): print 'OK' else: assert False, 'good grief' using this command % python -mpdb bugdemo.py (With Python v. 2.7.8) The first prompt displayed is: -> import sys (Pdb) If I choose to step t ...

The React app I've been working on has a tendency to unexpectedly crash when reloading the code from time

Dealing with a frustrating issue here. I've been working on an app and for the past few weeks, it keeps crashing unexpectedly. It seems to happen more frequently after saving my code to trigger a reload, but it can also just crash randomly while navigating ...

Troubleshooting SCSS Issues in NextJS

Can anyone help me with debugging SCSS in NEXT.JS? I've been trying to figure it out but haven't had any luck. When I use @debug on a SCSS module, nothing shows up in the console. Do I need to configure something in the next.config.js file or is it simpl ...

What is the best way to safely divide two numbers in order to avoid encountering a Syntax

"vehicle" = input("Please enter the name of the vehicle:") "fuel" = float(input("Kindly provide the amount of gas used in gallons:")) "distance" = float(input("Enter the number of miles driven:")) ...

The functionality of the Angular application is impaired when compiled using Phonegap

Background: I have successfully developed an Angular Application that works flawlessly on web browsers. The frontend of the application is built using HTML/CSS/Angular/Bootstrap, while the backend utilizes Web API, making them completely separate entities ...

What could be causing my input box to act strangely when users attempt to input information?

I seem to be facing an unusual issue with the <input onChange={this.handleArticleId} value={this.props.articleIdValue} placeholder="article id"/> field. Whenever I try typing something, the letter only appears in the input box after clicking on the s ...

What are some alternative methods for visualizing memory usage in node.js applications?

I've been working on a project that involves running several persistent processes in node.js. As I continue to develop the project, I am interested in monitoring and charting the memory usage of each process over time to aid in debugging. Although this ma ...

Tips for troubleshooting errors such as "Maximum call stack size exceeded"

I've been working on an Ionic/angular project that I paused for a while. When I resumed working on it, I encountered an error in the console. The unusual effect is that nothing is displayed for 10-15 seconds, then my app loads, but I don't notice ...

What can you find in the PyString variable while debugging in Qt Creator?

I have a PyString* object and I'm interested in viewing its contents. Is it possible to access the text of the PyString using the debugger in Qt Creator? PyObject *import_str = PyString_InternFromString("__import__"); Just for clarification, Qt Creator s ...

PhpStorm commences debugging session by activating from a URL containing a query parameter

How do you properly initiate a debugging session from a URL? I am unable to activate a debugging session using browser extensions as I need to start the debugging process from a webhook. However, I am unsure of the correct query parameter to append to the ...

Unable to debug json.loads() code using pdb

I am curious to understand the inner workings of converting a JSON string to a Python dictionary using json.loads() For example: import json s = '{"a": 1, "b": 2}' # input json string d = json.loads(s) # output dictionary object To dive deep into th ...

Unleashed Breakpoint Mystery in Ionic 5 Angular with VSCode

I recently upgraded my Ionic 5 Angular 12 app from Ionic 4 Angular 8. The application is working well and remains stable, but I have encountered some issues while debugging. Firstly, when I use the launch.json file in Visual Studio Code to run the app, it ...

What is the best way to configure webpack for ng build instead of ng serve?

My .NET web application is hosted in IIS and it also hosts an Angular application. This setup requires both applications to be served on the same port by IIS, primarily because they share the same session cookie. Additionally, they are integral parts of th ...

Exploring MeanJS through the WebStorm debugger

Currently, I am in the process of developing a node/angular application using the MeanJS project as my foundation. One particular issue that I have encountered involves the grunt file included in MeanJS, which executes a series of tasks prior to initializi ...

Having difficulty troubleshooting a Next.js application with Visual Studio Code

Currently, I am delving into the realm of Next.js and seeking guidance on how to efficiently debug using Visual Studio Code and Google Chrome. Despite experimenting with various configurations in the launch.json file for debugging a Next.js app in Visual S ...

Guide on troubleshooting Node TypeScript in Visual Studio Code when the JavaScript source is stored in a separate directory

When using Visual Studio Code, I am able to debug and step through the TypeScript source code of Main.ts. This is possible as long as the JavaScript and map files are located in the same folder as the TypeScript source. This setup works well in this struc ...

Error in Angular not providing code line numbers for debugging

There seems to be an error shown in the image below, with no line number displayed in the code and no errors appearing in the terminal. The codebase is large, and this error is occurring in the Chrome console. Clicking on the line numbers of the bundles do ...

Determining the Exact DOM Element Referenced by a WebElement in Selenium Java

When using Selenium in Java, how can you determine which DOM element is being pointed to by a WebElement in the Java debugger and browser developer tools? Sometimes the selector can be quite complex, combining xpath and css Selector, so it's useful to be ...

When Selenium in JavaScript cannot locate a button element, use `console.log("text")` instead

I am trying to capture the error when there is no button element available by using console.log("No element"). However, my code is not working as expected. const {Builder, By} = require("selenium-webdriver"); let driver = new Builder().forBrowser("chrome ...

Exploring Javascript bugs in Visual Studio (or any other JS debugger)

I am currently working with a .js file that is executed using cscript.exe and not in a browser environment. I am aware that I can use the //X parameter with cscript.exe to trigger a debugger selection prompt. This works well when choosing "Visual Studio 2 ...

Troubleshoot variable using EJS

Is there a way to set a global variable in EJS that can show/hide specific elements across all views without the need to redefine it each time? I am using node.js/express/ejs for my project stack and would like to know the best approach to achieve this. B ...

What is the process for debugging a project that is not the "main" one?

I am facing an issue with Visual Studio Code where I have two directories in my workspace, both of which are node.js projects. However, I am only able to launch one of them for debugging. Even though both folders have a launch.json file, only the first fol ...

Is there a way to ensure that the line numbers displayed for JavaScript errors in Chrome are accurate?

I suspect either my webpack configuration or my npm run dev script are causing the issue, but I'm unsure of what exactly is going wrong. While running my application in development mode, I encounter error messages like: Uncaught TypeError: this.props ...

I would greatly appreciate any recommendations on how to troubleshoot and

I've been working on the "Map the Debris" challenge at freecodecamp, and I'm facing an issue. While my code works fine in my PC's editor, it doesn't satisfy the conditions when I paste it into the website area. Any suggestions on how to debug this? This ...

No indication of component statuses in the augury feature

Augury is a useful Chrome extension for debugging Angular applications. However, I have encountered an issue where it is not displaying any states currently. My setup includes Angular version 5.1.0 and Augury version 1.16.0. ...

What is the process for turning off express logs on my node.js command line interface?

Recently, I've begun delving into the world of node.js and in an effort to improve my debugging practices, I've decided to move away from relying solely on console.log. Instead, I am exploring the use of debug("test message") for my debugging needs. Af ...

How about initiating a debugging session for a node application that is currently running and connecting to the node

There have been rumors circulating about the possibility of creating a debug session on a live node application by passing SIGUSR1 to the application. This means that starting an application with node debug app.js may not be necessary in order to connect ...