Questions tagged [error-handling]

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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2answers
105 views

Library to uniformly present runtime errors, exceptions, and login errors exceptions

I have this Library to control errors; I would like if you can evaluate it and make a review of the code, not about the goals of the library: Everything works for me correctly, but I am also open to ...
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1answer
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C++ Error/exception handling [closed]

I know the following code are horrible, so I'd like a review. Criticism are welcome. I want to know what went wrong, and how I can avoid the same mistake in the future. Version 1 ...
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1answer
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Modify original JSON few times and post http request

Follow up question from here. I am working on a project where I need to do below things in Python: Take few input parameters like - environmentName, ...
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1answer
262 views

Post json using http and verify whether all actions completed successfully or not

I am working on a project where I need to work with http apis and call them using Python language. Below is what I need to do: Take few input parameters like - <...
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2answers
58 views

Error Code Stack Trace and Propagation Library in C

I've been programming in Go and I enjoy how easy it is to create descriptive errors and propagate them up the call stack. I wanted that sort of ease and consistency in C so I created a small error ...
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1answer
56 views

Handle database validation (exists, unique constraint, etc) [closed]

Let's assume you are writing a REST Api with a common structure like Controller > Service > Repository > Database. In the database there's a table with a column with a unique constraint: <...
6
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1answer
68 views

Using a linked list as an error type

Background I've been looking into a few different way to implement error reporting for an embedded system in C and there a couple things that I'd like to incorporate: A generic and extensible error ...
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2answers
572 views

Binary to decimal (and back) converter in c++

I'm mainly looking for error checking / type safety advice. main.cpp ...
8
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3answers
610 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 ...
5
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1answer
145 views

HSTS Recommendations in .htaccess

Please see my previous post in the below hyperlink I've updated my .htaccess file to account for an HSTS, along with many of the recommended changes. See the ...
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0answers
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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
149 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 ...
4
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2answers
72 views

Mysql PDO Wrapper that throws Unique Constraint Exception

The main reasoning behind this PDO wrapper, is that I find myself using unique constraints quite frequently in my designs, and I have ...
2
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1answer
65 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
99 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
101 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
63 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
27 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 ...
5
votes
1answer
230 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
200 views

Handling errors in potentially incomplete responses

I am using the library geoip2 to get Geolocation of many IP adderesses ...
3
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1answer
70 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
524 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
59 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
121 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
90 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
23 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 ...
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2answers
570 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
54 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
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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 ...
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2answers
43 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
65 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
227 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
82 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
59 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: ...
3
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0answers
72 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
78 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 ...
1
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1answer
56 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
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2answers
444 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 ...
1
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1answer
84 views
4
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1answer
472 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
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1answer
45 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
308 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 <...
5
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1answer
129 views

Handling exceptions in Python 3

Please can you review my standard exception handler for Python 3.x. It is located under the # +=+= line. The code above the line is to create an exception and so ...

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