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.

Filter by
Sorted by
Tagged with
0
votes
0answers
37 views

Stop Django Rest Framework API execution and return appropriate response

I am writing an API function using Django Rest Framework where it accesses many resources like AWS, Database, External APIs etc., I want the API execution to stop if it fails in any of the steps and ...
4
votes
1answer
124 views

Resource closing in a promise chain

This is some code that fetches a result from a database. It connects, makes a query, processes the query, then has to close the DB (under all possible code paths) and return the result. It seems ...
7
votes
3answers
2k views

Simplifying asynchronous “executeAsync” method along with “onFailure” callback

I have a system in which user id is "sharded" across all the machines which means each machine is responsible for certain user id data. I am working on a library which will take ...
0
votes
0answers
62 views

C ArrayList implementation criticism

I have written a ArrayList class in C and I just wanted some criticism on what I can improve on. Any criticism helps, and I was wondering If there is any better way of doing error handling other than ...
13
votes
3answers
11k views

Verifying the type of an AggregateException's inner exception in a unit test

I've got the following code inside an integration test. ...
3
votes
2answers
165 views

Library displaying a format with runtime errors, exceptions, and error exceptions present

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 ...
-1
votes
1answer
64 views

Rethrowing unhandled exceptions later in the catching method [closed]

I have a worker class that catches uncaught exceptions and logs them for tracking purposes. However, I do NOT want to swallow those exceptions, nor do I want to abstract them (i.e. losing the stack ...
4
votes
1answer
38 views

Parsing a u8 separated vector of FromStr from a BufRead

I need to read a vector of e.g. integers from a stream, usually from stdin but sometimes also from a file. The input is always less than a megabyte, and is sometimes separated by commas and sometimes ...
38
votes
6answers
3k views

Resolving a link

How can I clean this up? ...
2
votes
3answers
252 views

ArrayDowncasters Implementation for Downcasting from System.Array to Array of Specific Type in C#

I am working with System.Array and I am trying to convert System.Array objects to array of specific type (such as ...
3
votes
1answer
126 views

C++ custom exception handling using std::error_category and std::system_error

I want to make my own custom exception handling and I am curious if I am going the right path, maybe some of you could suggest to me how I could improve it? Or maybe I have went the wrong direction? (...
3
votes
1answer
72 views

Create Table After Deleting Rows Before Desired Range and Filter to Delete All Other Unnecessary Rows

The code below first searches for the first searchText and deletes all rows that precede it to establish a range for a table object. Once the table object is ...
1
vote
1answer
112 views

Read and sort 100 numbers from a text file

The program itself reads 100 values from a text file named input.txt. Then sorts those values in ascending order and writes the values to a new file called ...
5
votes
2answers
106 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 ...
5
votes
2answers
6k views

Python decorator for retrying w/exponential backoff

This is my first decorator in Python! I found some of it on the internet but have tweaked it to our needs. Here is the couple concerns of mine: Multiple python version compatibility Is grabbing the ...
0
votes
1answer
46 views

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 ...
5
votes
1answer
148 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 ...
2
votes
1answer
78 views

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, ...
7
votes
2answers
7k views

Handling parsing failure in Scala without exceptions

I have a Scala (Play!) application that must get and parse some data in JSON from an external service. I want to be able to gently handle failure in the response format, but it is becoming messy. What ...
9
votes
1answer
265 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 - <...
6
votes
2answers
70 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 ...
2
votes
1answer
346 views

Custom error handler for PHP

I've written a custom Error handler for use in PHP. What it does is simply capture PHP errors, and logs them using Monolog. It works, but I can't help that it has too much stuff inside. I could ...
2
votes
1answer
176 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
votes
1answer
69 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 ...
5
votes
1answer
193 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 ...
8
votes
2answers
610 views

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

I'm mainly looking for error checking / type safety advice. main.cpp ...
8
votes
3answers
785 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 ...
4
votes
1answer
152 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 ...
3
votes
0answers
50 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 ...
6
votes
1answer
1k views

See if a specific resource exists in a Kubernetes namespace

I want to have a function that checks to see if a certain resource (deployment, job, cronjob etc) exist in a namespace. Using the Kubernetes Python client, I can create a boolean function (using ...
1
vote
0answers
42 views

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)...
2
votes
1answer
70 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
votes
1answer
100 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
votes
1answer
126 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
votes
0answers
69 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 ...
1
vote
0answers
37 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
360 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 ...
4
votes
1answer
3k views

AngularJS recursive function call with $timeout

I have created a recursive function call in AngularJS and just wonder if is there a better way to solve this problem? The code works perfectly. My code is the following: ...
6
votes
1answer
200 views

Handling errors in potentially incomplete responses

I am using the library geoip2 to get Geolocation of many IP adderesses ...
3
votes
1answer
71 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
votes
2answers
819 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: ...
3
votes
1answer
213 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: ...
2
votes
1answer
93 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
votes
2answers
100 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
votes
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 ...
5
votes
2answers
700 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. ...
1
vote
1answer
57 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
votes
0answers
32 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 ...
0
votes
2answers
45 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 ...

1
2 3 4 5
16