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Questions tagged [error-handling]

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The various techniques used for maintaining stable program state in circumstances that, if not taken care of ("handled"), could cause serious issues, including logical bugs and abrupt execution termination.

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100 views

Error solution: Uncaught TypeError

Uncaught TypeError: document.getElementById(...) is null I have a single JavaScript file that is connected to multiple pages. The below snippet is a function that is used for a single page. The above ...
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+50

HSTS Recommendations in .htaccess

Please see my previous post in the below hyperlink Thank you to Mr. White for the incredibly detailed answer on my previous post. Posting code for review here always proves to be more beneficial than ...
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0answers
35 views

Building a GTD Productivity App Designed through Test Driven Development (TDD)

First, thanks so much for looking at my code. Over the past decade, I have tried every task management apps imaginable. I finally realized that the only way I would ever find my perfect productivity ...
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0answers
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How to catch exceptions in test code?(Python 3.8) [closed]

I have a script that includes some independent tests that run together (not parallelly). The tests include calls for some libraries that might raise exceptions (which indicate of a failure in the test)...
4
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1answer
134 views

.htaccess Recommendations

I have a personal website that's used primarily for fun. I upload images, videos and text that I want to share. An HTML submission form accepts questions and string submissions from users, which uses ...
2
votes
1answer
60 views

A method that calls multiple async tasks with error handling, done the right way?

I've got a method, CheckForValue(), that uses named pipes to send a message to another process running locally, and then receive a message from that process, ...
4
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1answer
96 views

Proper Error handling when we expect results from secondary functions

I'm building an android application and I have some second thoughts on some error handling case. I have a method that gets data from the internet by calling this method: ...
6
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1answer
91 views

VBA Error Handling Sub, Working for all subs

The idea is to make an error handling procedure, which prints messages in DEV mode and shows MsgBox in ...
2
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0answers
57 views

Custom MediaController with full screen video image option

I have overridden setAnchorView() of MediaController class to display full screen option icon using below code.The code seems to be working fine in devices I tested but I have few doubts for which I ...
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0answers
14 views

Oauth2 Connector Frappe Framework

My first attempt at writing a Python application to solve a real problem is a one way connector between ERPNext and MYOB AccountRight. This is the module I have written to connect to the API and get ...
4
votes
1answer
120 views

How can I make my error handling more idiomatic in Rustlings exercise “from_into”?

I've got a working solution to the Rustlings from_into exercise (i.e. the code compiles and all the tests pass). The task required that I implemented the From trait ...
6
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1answer
199 views

Handling errors in potentially incomplete responses

I am using the library geoip2 to get Geolocation of many IP adderesses ...
3
votes
1answer
67 views

Sending a CSV file for a client list from a database

What can I improve about this code in order to be production-ready? I'm not worried about security but about errors that could occur. What exceptions should I catch? I feel overwhelmed about ...
5
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2answers
384 views

A simple error messaging and logging system via macro(s) in C++

I'm just trying to build a quick and crude error messaging system. It currently looks like this: ...
2
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1answer
44 views

Part 2: Send HTTP request for each row in Excel table

This script was previously reviewed here: Send HTTP request for each row in Excel table (Part 1) I've made the changes that were suggested in the Code Review answers as well as added a few of my own. ...
3
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1answer
78 views

C# Reflection-based CSV Parser

I've been trying to make a C# version of my Java CSV Parser using C# specific idioms. Here is the full code: ...
3
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2answers
79 views

Tic-Tac-Toe in Java

I am currently learning Java; I could really use some help from more experienced programmers. How can I clean up my Tic-Tac-Toe code? What mistakes have I made? Can I use more exception handling? I ...
2
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0answers
22 views

Is there a better way to handle errors in these functions?

I'm creating a GOLang Linux distribution installer. The architecture is straight forward. I have N parameters and uses them in N installation steps. Summarizing: Every step implements a interface ...
5
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2answers
454 views

C++ custom exception class

I am wondering, how can I improve this simple MissingResource exception class? I am using it in my simple game. ...
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1answer
52 views

Handling multiple try-catches in a for loop

Good day! I would like to know if this is possible to be refactored into a cleaner code. The reason I'm doing it like this is to catch the column that the error appeared on and then potentially output ...
4
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0answers
23 views

Error handling best practices using a custom error handling module

I am trying to learn how to effectively use error handling in my code. To do this, I have created a class inside main.py which reads the value of a specified curve ...
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0answers
40 views

One of my first Bash scripts - checking for best practice and error handling

I have a Bash script that resides on Remote Server A and transfers files from Remote Server 1 to Remote Server 2. Remote Server 2 is a Dropbox folder so in this script, I call another script (that's ...
0
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2answers
42 views

Bugs - Program that Creates a Directory in C

I have the following code that creates a directory in C. I tested it multiple times, reviewed it a few times and it looks fine at the moment. What I really wanna know is what bugs does it have and ...
2
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1answer
64 views

Code for adding a user to the database

I have a code that adds a user to the database, getting the username from the dialog.My fragment implements the interface with the onInputSend method, which is called by the dialog when the user ...
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1answer
47 views

Best way to avoid users to cancel my routine halfway through while managing other errors

I'm struggling to find the best way to prevent users from cancelling a routine halfway through (by pressing ESC, break, etc) without making sure the sheet is being locked again. On top of that, I also ...
4
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2answers
225 views

Reader for graph-file with ugly return and questionable use of streams

I wrote a class that contains a static method that reads in files from NetworkRepository and converts them into a list of integer-arrays, each representing an edge. The file format from ...
4
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1answer
80 views

How to stop a Python script if the input values do not make sense within the environment in which they will be analyzed?

I am not a developer, but I needed to write a script. So I wrote it. Since I can't find an accessible tool that fulfills the same purpose, which I think may be helpful to others, I decided to ...
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3answers
55 views

Custom exception handling function or logging library?

I want to document every exception handled in my code and some states of the code when it works properly. What I've done is two functions, one that creates an 'error report' (function: ...
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0answers
68 views

HTTP download function in Rust (async/await)

Why am I fighting the compiler? - Wrote this, which works, but I feel like I'm breaking every rule in the book: ...
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3answers
73 views

Opinion on Python exceptions? [closed]

Just looking for opinions on which is the best way to use exceptions? Should the exception handling go inside the function or should it go outside the function when you actually call the function. ...
2
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2answers
73 views

Shared memory class

I wrote a class that opens a shared memory communication to use in my project, and would like a review. mylib_com.hpp ...
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1answer
54 views

File handling with try and except [closed]

I am learning programming with Python. I am not sure if I can write a try/except block like this. ...
2
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0answers
30 views

Best way to catch API errors and log responses when calling via helper function

I'm trying to add error handling and response logging for API calls. The way I have my application (chatbot) set up is that a helper function is called from the main dialog, and that helper function ...
2
votes
2answers
259 views

Right way to handle, log and display exceptions

I repost my question here because it has been closed on stack overflow This question could sound stupid but I am new to the logging, displaying and handling exceptions. Because before I was just ...
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1answer
68 views

Ensuring file handle is closed in case of an exception [closed]

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4
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1answer
284 views

Minesweeper - Python 3 (beginner)

I’ve just created Minesweeper game, which work perfectly fine (for me). Any suggestions on how to improve this code would be greatly appreciate, in terms of: Object-oriented Array Error handling ...
2
votes
1answer
40 views

Java: Only log first error occurrence (with hourly reset)

I have a redis caching server. If that caching server is down, my app will query the database directly. I want to know from the logs if my caching server is not reachable. However, if I add a log ...
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1answer
58 views

Is it good practice to use try catch only for a part of the code [closed]

When I submit the form, I need to validate the input data from an HTML form field, which comes from the user who submitted the data. So inside the Page_Load event, ...
6
votes
1answer
233 views

c# Factory Pattern Generic Exception Handler using dot net core

My task was to create exception handler on some system that has multiple types of database and big business behavior. At first, I had done a switch/case that handled the exceptions by type using the <...
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0answers
29 views

Python exception handler

Here's a fictitious program to throw an exception, plus my standard exception handler (for Python 3.x), which I would like to have reviewed. In particular, is there any more data that I can include ...
2
votes
2answers
48 views

PowerShell script creates a computer list from an AD OU, and add exclusions to a specific file via Invoke-Command

My code is working, however, in the foreach section, when it runs the invoke-command if I don't use "-ErrorAction SilentlyContinue" the red error text that states a computer cannot be connected to ...
2
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1answer
37 views

Naive SCP module in Elixir

I'm trying to do a simple implementation of a scp wrapper in Elixir. The code is working as intended, but I got a feeling that the error conditions can be ...
3
votes
3answers
82 views

Recursive Error Handling in Python with a limited amount of tries

I have a class method that is set up to make requests to an API and I'm having issues handling the possible errors that could arise by trying to communicate with that server. The idea is if an error ...
-1
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1answer
30 views

Provide one file where all error messages are defined in c++ [closed]

I would like to store all error messages in one file and call them for example with ...
2
votes
2answers
685 views

Beginning BMI calculator in Java

This is my first program so no doubt I've made mistakes. The code works and meets all requirements as far as I can see. (Further info: program to calculate Body Mass Index (BMI) allowing user to ...
2
votes
0answers
54 views

Implementation of SCPI for control of test instruments

I work with electronics test equipment. I like to be able to automate tests using their remote control interfaces. I have built a pattern, a few base classes, that I can apply to all devices that ...
7
votes
1answer
236 views

Interpret a date from a string of digits

I developed a function that, from a given sequence of digits, extracts the date and reformat it. This is the code: ...
1
vote
1answer
46 views

Handling errors in an input based program

I wrote a program which creates a svg-group that contains several arranged rectangles with passages inbetween to reach all of the rectangles inside of an area selected by the user. Each rectangle ...
0
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0answers
32 views

Error handling in Go

I have a function which returns an error. I would like to handle this error on the caller function, so I need to know the reason of the error in the caller function. Below there is my solution, but I ...

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