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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questions
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Archiving MongoDB data to S3, with retryable steps
I have a python script to archive some data (export from mongo to a local json file and then upload it to s3)
Is there a better way to implement/improve the current flow? Each step should be be ...
-2
votes
0answers
14 views
how to play again if there is wrong input/error [closed]
I'm working on my project called Tictactoe. It is working great. So to play the game there is a function call play which takes pair of ints and decide where to play, while there's another function ...
2
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0answers
37 views
Android APP FTP downloading file implementation in Java
This is a follow-up question for Android APP connect to FTP server in Java and Android APP FTP uploading file implementation in Java. I am attempting to perform the download operation to specified FTP ...
1
vote
1answer
55 views
Open, writing to, and closing a configuration file, and error checking the process in C
All this does is safely and reliably opens, writes to, and closes the file. Yet there are so many gotos and the code is quite verbose. I am not even sure that all ...
3
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0answers
90 views
Exception handling: using @JsonProperty value to make error message
If the validation in RestController fails, I need to handle MethodArgumentNotValidException and provide an errorMessage, that ...
0
votes
1answer
32 views
SubImage function implementation in C
This is a follow-up question for Two dimensional gaussian image generator in C, Two dimensional bicubic interpolation implementation in C and A SubPlane Method for Generic Two Dimensional Data Plane ...
1
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1answer
56 views
Android APP FTP uploading file implementation in Java
This is a follow-up question for Android APP FTP host profile class implementation and Android APP connect to FTP server in Java. I am attempting to perform the upload operation to specified FTP ...
1
vote
1answer
37 views
Android APP user registration page implementation
This is a follow-up question for Android APP User class implementation. I am attempting to build a user registering system and this post shows the user registration page implementation.
The ...
1
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1answer
41 views
Android APP Password Strength Assessment class implementation
This is a follow-up question for Android APP User class implementation. I am attempting to create a password strength assessment class which is named ...
3
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2answers
78 views
Custom Error Handler Library in C++
Is this code clean and optimized? When taking memory snapshots, it seems a bit high.
Anything I have done wrong or can do to optimize it?
...
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0answers
33 views
Access object initialized within try block afterwards if no exception occured
I have a use case where I try to initialize a Player object within a try block.
The relevant excerpt of the current, working ...
3
votes
2answers
137 views
Should i throw exceptions in the service layer or repository, and catch it on the controller? [closed]
I read some answers here on stack exchange, but none really "hits the nail on the head" about where to throw exceptions, where I shouldn't and where to catch them.
the idea that an exception ...
0
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0answers
38 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 ...
1
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2answers
105 views
C ArrayList implementation
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 ...
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1answer
68 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 ...
2
votes
3answers
253 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 ...
4
votes
1answer
39 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 ...
1
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1answer
134 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 ...
3
votes
1answer
74 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 ...
3
votes
1answer
184 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
2answers
166 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 ...
0
votes
1answer
47 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
...
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, ...
9
votes
1answer
266 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
84 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
315 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
71 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 ...
8
votes
2answers
625 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
1k 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
votes
1answer
233 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 ...
3
votes
0answers
52 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 ...
1
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0answers
48 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)...
4
votes
1answer
154 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 ...
5
votes
2answers
137 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
votes
1answer
83 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:
...
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1answer
108 views
6
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1answer
134 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
96 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
53 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 ...
6
votes
1answer
452 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
72 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
1k 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
136 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
274 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
votes
2answers
118 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
24 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
816 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
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1answer
60 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 ...
