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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0answers
22 views
Temporarily block API calls when server sends a 503 response
I have a scenario in which I call many APIs throughout my application lifecycle.
In case the server sends me a 503 response code, it will also send a lockdown object which has a timestamp associated ...
2
votes
0answers
23 views
DirectX11 Error Handling
I'm new to C++, been a C programmer most of my life. I wanted to get into graphics and Direct3D is C++ so I figured it was about time. I've been learning about strings, vectors, references, smart ...
6
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2answers
109 views
Simulation of a banking system with an Account class in C++
I have been learning C++ and recently I have started practicing classes. I made this simulation of a banking system with an Account class. I would like to hear feedback on my code, what is good - what ...
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0answers
18 views
Requests / Facebook API - Dealing with Errors
I work in marketing and I am currently trying to aggregate data for 50 facebook pages on the same Business Page.
I have a loop ...
2
votes
1answer
31 views
Retry a Promise resolution N times, with a delay between the attempts
I want some JavaScript code to take 3 things as parameters:
A function returning a Promise.
The maximum number of attempts.
The delay between each attempt.
What I ended up doing is using a ...
1
vote
0answers
33 views
Rethrowing Error through several classes [on hold]
This is a simplified version of my app. It has a bunch of scraper classes, and a Job class, which controls the collection of data, and the saving to the db. During scraping it could happen many ...
1
vote
1answer
79 views
VBA Function Error Bubbling
What will be the best practice to create an efficient error handler in object class in VBA? Creating some for Outlook (used later in both, Excel and Access) and trying to get the most efficient and ...
2
votes
1answer
42 views
Constructor for a packagetarget struct
As many of you know goto is usually signs of code smell. However I thought this could be an appropriate case, and would like confirmation or criticism.
Unnecessary ...
5
votes
1answer
69 views
Error handling function (Win32/C)
I have written the following function to be a general "error logging" solution for my Windows API projects. Basically, given a Windows system error code (a la ...
1
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1answer
27 views
Page download with reattempts in Scala
I wrote the following code to deal with possible network problems.
...
3
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1answer
35 views
Node.js http retry do while mechanism
I have implemented a simple do/while loop to handle a http request to a third-party. I don’t know when the data I receive will have elements in its array so I retry up to 10 times until the array ...
11
votes
3answers
2k views
Decoding assembly instructions in a Game Boy disassembler
I am coding a game boy disassembler in C++. The program (simplified here) converts a vector of byte into an assembly instruction and print it.
To do so, it iterates through the vector of bytes (char)...
-1
votes
1answer
55 views
C# Handling Task Cancellations/Timeouts and Exceptions [closed]
I am very new to Tasks and therefore new to handling task cancellations and task exceptions.
I wrote this method that gets a List which is then used to populate an ObsservableCollection shown in a ...
3
votes
3answers
105 views
A more functional try…catch construct in Java
I saw a question on Stack Overflow asking for a review of a custom try...catch construct that made use of Optionals, and got the idea to try writing my own version. ...
3
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0answers
76 views
Memory managment for RPC code in C
My team has been given care of an old embedded C project. Its main part is a security critical RPC API and I'm trying to create a new design of its internal interfaces to make it more robust against ...
2
votes
2answers
26 views
Lock file and interrupt signals in POSIX shell script running indefinitely
This script is running indefinitely as the Linux background process.
I have put an enormous effort to make this POSIX shell script containing an infinite loop shut down tidily along with the ...
3
votes
2answers
79 views
Function to call a list of callables with retry
This script is designed to be run via windows task scheduler once per day.
All callables passed to this function should only return a bool. The callables are called until either the maximum number of ...
0
votes
1answer
28 views
Using foldl to add numbers, while validating that they are nonnegative
I have a function that will calculate the sum of a list of integer, however if any of the number is negative, it will should an error instead (not throwing exception).
The following is a working ...
1
vote
0answers
28 views
Error handling for an Erlang 2D point class
I am working on a math library for an online game. I want to prevent as many errors as possible and I want to catch all errors as early as possible to simplify debugging in the long run. However, I ...
1
vote
1answer
65 views
Quicksort in C with unit testing framework
This is my quicksort
There are many like it but
This quicksort is mine.
So, quicksort, in C, with a big framework to test it six ways from Sunday. Passed the tests nicely, but there may be warts, or ...
0
votes
2answers
36 views
Printing the status of a database insertion as JSON
The controller is currently inserting a record into the database and returning a JSON response as shown below in the try-catch block. I can see the ...
2
votes
0answers
63 views
Historical exchange rate between currencies using Ecbxrate
I tried writing a simple python script using the python module ecbxrate that outputs to a CSV file a table with the daily exchange rate between EUR and USD since ...
4
votes
2answers
314 views
Reading SQL query from a resource, with error logging
I've created a utility class that expects a logger to be passed at a method level, since I prefer legitimate errors to be written out for troubleshooting later on. Another developer hates passing the ...
1
vote
1answer
654 views
Extension method to to run any async method synchronously
Sometimes I need to call async code from a synchronous method. This leads to repetition in code to wait for the task to complete, then ensure that the expected ...
8
votes
1answer
338 views
A simple ascii progress bar
I've been wanting to experiment with a bit of error handling and robustness to make my code more user friendly. I was inspired by this answer on UX to try and add a progress bar to a button - but was ...
2
votes
1answer
31 views
Testing a probabilistic prime-testing algorithm that may fail
I have implemented Pollard's Rho algorithm in Java. Due to the nature of it there is a small chance for it to fail (have not seen it happening yet).
Since I do not ...
2
votes
1answer
72 views
Simple but important function to check and retry given action's result
What I'm trying to achieve is
Given a predicate function and an action which returns the object to check,
check predicate, retry and fail after numTries .. or success .
Purpose of this function ...
-1
votes
1answer
42 views
#Error Handling- Propagating errors to calling function.
Im new to javascript programming and i am required to make a web app. Node.js will be used as the js runtime environment. In order to minimize the amount of time needed for debugging as the app ...
5
votes
3answers
2k views
An exception-safe wrapper for std::stoi
std::stoi may throw exceptions so it needs to be surrounded by try/catch.
In applications where std::stoi may be used ...
4
votes
1answer
43 views
Script to clean up old files that should only run one instance
I'm writing a bash script for deleting old files on a Linux server. Here are some relevant facts about this script:
As currently written, it does work as expected. However, it's entirely possible ...
1
vote
2answers
83 views
Function to map letters to numbers
I have a method that converts characters to numbers.
It expects a single alphabetical character and returns the equivalent number.
For example, if A is provided it returns 1, for B it returns 2.
If an ...
4
votes
1answer
487 views
Error-Handling Class and Logging for VBA
I've been reusing an error class in Excel VBA projects for a few years now and I'd like to see if there are ways to improve it. Any suggestions for style, code, etc. are all welcome.
The 2 ...
1
vote
1answer
165 views
Error-Handling Class and Logging
I am relatively new to C# and would like to see if what I have been using for my exception handling, message and logging is along industry standards. I have created a simple class for the Error ...
4
votes
1answer
57 views
Simple API call to get geo info and exception handling with call limiting to 50 request per hour in Python
I'm looking for a code review of this python I wrote - this code reads the zipcode column value from csv and calls the api and brings back lat, lng, state and city info.
It works fine and gives me ...
1
vote
1answer
46 views
0
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1answer
44 views
Logging util with static lambda function
So again, I am a bit confused about some notes that i'am getting from my reviewer. I have some kind of utils, to print/prepare log messages. Yea, maybe I am a bit fanatic java 8 lambda guy but I think ...
1
vote
1answer
52 views
Generic error handler function for POSIX shell scripts
Intention
I came with the idea of generic, portable, highly reliable, and further customizable function for Shell scripts, written in POSIX, for error handling.
Purpose
The function shall find out, ...
3
votes
3answers
82 views
Calculate total, minimum, maximum and mean from a set of distances
I have only begun to learn C++ and am reading through the book, "Programming Principles and Practices Using C++". This bit of code is my attempt to complete exercise 3 at the end of chapter 4.
The ...
3
votes
1answer
100 views
Given a list of words, remove the shorter word of every pair
This is not a "please do my homework" question. I solved a problem two ways and would like to know which solution is better; better being defined by better readability, lower complexity and lower ...
2
votes
1answer
431 views
WebAPI global exception handler
There is a global exception handler in our WebAPI application that looks like the following:
...
5
votes
2answers
874 views
Custom C++ exception class with stack trace generation
I wanted to implement my own runtime error class in C++, that could provide more meaningful information on where the error occurred than std::runtime_error does.
I ...
1
vote
2answers
39 views
Error handling for a simple 'fetch some data, then save the data' Node function
This is a fairly simple bit of code:
...
1
vote
1answer
52 views
Spring API that performs RSA encryption with exception handling [closed]
I'm creating a rest api using Spring which utilize javax.crypto as library to do some encryption stuff. While everything works well, I'm curious whether the error handling like this is acceptable or ...
2
votes
1answer
137 views
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0answers
55 views
Insert Emojis Into Outlook Email With VBA Application (For those of us who cant use add-ins)
I cannot use add ins here so I set out to create an excel application that could get the job done. I suppose that I could easily transport this into outlook?
Basically I want to click one of the ...
2
votes
1answer
71 views
Displaying all application errors in a view
I'm learning ASP.NET Core with MVC pattern and I didn't find anything useful related to this argument.
Actually I'm looking ...
3
votes
1answer
102 views
Running SQL Queries On A Worksheet (With Set Of Random Numbers Between 1-20 Filling Column A) Handled As An ADO
INTRO
I am using an Excel worksheet as my "database." No headers so [F1] is assigned to column one by default. I filled the entire column, all 1,048,576 cells with ...
7
votes
3answers
1k views
Heap implementation for numeric types
I am trying to improve the quality of my code as well as trying to study the Heap data structure. I have implemented a minHeap (Heap in which minimum value nodes ...
-1
votes
1answer
49 views
Python client to fetch JSON data from REST API, retrying on failure
As a beginner, I'd like to see if anyone can suggest any better way of coding the below, as I'm duplicating code and nesting identical if statements as part of the following problem.
I'm grabbing ...
0
votes
1answer
111 views
Mechanism to retry failed requests, with throttling
I have a simple event that the client sends to the server, the server can then respond saying if it was successful, or if it failed for some reason.
The client has to send a auth code, which is ...
