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.
712
questions
-3
votes
0answers
27 views
Get a generic exception class [closed]
I have a exception class which should deal with all exception with a particular ScenarioA.
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3
votes
0answers
45 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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-3
votes
3answers
66 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
votes
2answers
61 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
vote
1answer
50 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.
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2
votes
0answers
25 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
109 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
vote
1answer
58 views
4
votes
1answer
118 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
35 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 ...
-2
votes
1answer
55 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, ...
5
votes
1answer
90 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 <...
0
votes
0answers
27 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
1answer
31 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
votes
1answer
31 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
74 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
votes
1answer
29 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
332 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
52 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
234 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
votes
0answers
30 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 ...
4
votes
1answer
1k views
Asynchronous parallel ForEach implemented using Task.Run
I wrote a simple implementation of aysnc parallel.ForEach( ... )
All it really does is create a list of tasks and wait for them all to complete and aggregate the ...
7
votes
2answers
922 views
Python implementation of atoi
I made an implementation of atoi (ascii to integer) in Python a while ago for fun, and I'd like to know what I could do to improve it.
...
1
vote
1answer
74 views
Connect to database, handling errors
I try to handle or catch possible errors with PHP/MySQL for security reasons and would like to know if I'm doing it right.
The first case, connection: I use it as a function and call it always when ...
5
votes
2answers
365 views
Single vs Multiple Try Catch
I have this code which is a third-party transfer for ATM console app. For best practice, should I just put all the code into one try block or with multiply try block like below?
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5
votes
1answer
73 views
A simple but useful error handler
I am trying to make a very simple error handler that would catch and handle all kinds of errors in both development and production environments. The idea is to keep it as simple as possible yet useful ...
3
votes
1answer
214 views
Poor error handling: Throw inside Finally
I have the following code which I am running through fortify. Why it gets marked for poor error handling, throw inside finally?
...
7
votes
2answers
351 views
Network helper class with retry logic on failure
I wrote an helper class which allow me to request the body content from a site that is created by AJAX, for doing so I'm using <...
2
votes
1answer
42 views
3
votes
2answers
83 views
PHP display Error Wanings Yellow @ bottom of Page with PHP_EOL
I initially started searching for a PHP script which would output PHP errors, to the JavaScript console. As the Default behaviour is just to spit them out anywhere and displace everything else.
...
1
vote
1answer
44 views
Clean up code that transfers data from DB2 Server to Excel
The code below is functional and works as expected, but I imagine there is a better way to test for the error that I am testing for .
The scenario is that data is transferred between two different ...
2
votes
1answer
82 views
Go functions to create a directory if it doesn't exist
Which of the 2 solutions is written better? Personally I prefer the one line method but it does make it slightly more difficult to debug. Is perhaps doing it the long way first then refactoring to ...
12
votes
3answers
4k views
C# TCP server/client class
Goal
My goal is to create a TCP server/client class that can be universally reused in various private projects. It should work stable and does not need to be super fast, but rather light-weight to ...
10
votes
1answer
127 views
error-specific tryCatch
R doesn't have classed errors, just (for the most part) error and warning, so determining if the error should be caught or ...
2
votes
1answer
56 views
PHP function to check if something valid or return error message [closed]
I would like to make a function that checks if something is valid, but if it can't then I want to return an error message that will probably be used to to throw an exception.
...
3
votes
1answer
36 views
Validating partially filled objects
The following classes are a simplification of an auto-generated code of an ORM (targeting Microsoft's Dynamics CRM):
...
-1
votes
1answer
126 views
Try-catch-finally snippet [closed]
Using visual studio I created a snippet which helps me surround my already written or new code into a try-catch-finally block. I use axios for REST so there had to be separate error handling method so ...
2
votes
2answers
100 views
Jsoup connection to URL
I have simple class that I want to ask if is there any possible to improve it? I mean, for me it looks poor. Is there any way to use here try-with-resources, stream or ...
1
vote
0answers
63 views
AWS plugin to create a CloudFormation stack if it doesn't exist
The following Python class is what I am trying to refactor in the case where I have to add validation of the existence of an AWS cloudformation stack before creating it in the method create_cfn_stack :...
2
votes
0answers
21 views
Error handling in express without middlewares and using class structure
This is a simple implementation of Django's sample project "Poll" using and express.
The controller code:
...
5
votes
1answer
126 views
Detecting the presence of multiple URL segments
I have two versions of a function that performs the same task, however I'm not sure which one to use. Speed is something to take into consideration, but I also want to know what the best practice is. ...
3
votes
3answers
999 views
Go function to test whether a file exists [closed]
How could one write in a more elegant way that if error is null, the result is true? I really need a bool as returned value.
...
4
votes
1answer
52 views
Send / receive wrapper for System.Net.Sockets - follow-up
I recently posted a question about improving thread and socket safety in my NetworkEndpoint class. previous post
I have implemented the changes suggested in the answer I got there. When I asked for a ...
1
vote
1answer
33 views
Enumerating AWS instances in Rails, with error handling
I have created a method, which is raising the same exception in case of any error:
...
7
votes
3answers
538 views
Compiling all Exception messages into a string
Below is a recursive function I've written that's responsible for compiling a string consisting of a Exception's message, and also each of that ...
6
votes
1answer
109 views
Send / receive wrapper for System.Net.Sockets
The following NetworkEndpoint class serves as a simple send / receive interface for either side of a network connection (client or server) when provided with a ...
10
votes
4answers
1k views
Skipping over failed imports until they are needed (if ever)
We have a program with many dependencies. Because the user may not want to use all of them, the program should skip over failed imports and only raise an error if absolutely necessary. e.g. if the ...
0
votes
0answers
25 views
Complexity of a service method to fetch search results from an API
I tried the plug in CodeMetrics for Visual Studio Code along with some of my current Angular projects, and I was a little suprised about the outcome.
I have a ...
3
votes
1answer
147 views
PHP Error handler class
I set up an error handler class to handle all server errors, I know there are already quite a few out there, but I like creating my own for better learning and understanding of how things work.
I am ...
