Category "error-handling"

ANTLR4 error recovery issues for class bodies

I've found a strange issue regarding error recovery in ANTLR4. If I take the grammar example from the ANTLR book grammar simple; prog: classDef+ ; // match o

Setup failed..0x80070643-Fatal error during installation

I'm trying to install python.. but it shows an error like.. Setup failed One or more issues caused the setup to fail. Please fix the issues and then retry setup

Application-defined or object-defined error when any cell in worksheet is edited

I am relatively new to VBA and have managed to edit a worksheet_change sub from example code found online (Thanks Tim Williams!) that allows multiple selection

How to best handle dependencies on topics, services etc to gracefully handle startup and error recovery? (ROS2)

Is there a standard approach we should be using to handle dependencies on topics and services? Our system has a number of nodes and some nodes provide interface

TemplateDoesNotExist at /home/

I'm following a video tutorial but Im getting an error. The only differance is that author uses Subline Text, while i use VSCode what is causing the error? ente

Why is "except: pass" a bad programming practice?

I often see comments on other Stack Overflow questions about how the use of except: pass is discouraged. Why is this bad? Sometimes I just don't care what the e

Why is "except: pass" a bad programming practice?

I often see comments on other Stack Overflow questions about how the use of except: pass is discouraged. Why is this bad? Sometimes I just don't care what the e

How do I continue my Python script after a error

I'm trying to make my own OS using: command = input('['+ location + ']$ ') if command == 'exit': break elif command == 'open app': try: app = in

errno vs errors returned by library functions

For errno, there are a bunch of library functions, like strerror(), etc. to convert or print the error code. But what about the error codes re

R error message output goes off the slide in beamer presentation R markdown

I'm using R markdown to make a beamer presentation. When I try to include an error message output from R on the slide it goes off the page. Here is my code: ---

Using xpath method in selenium in python - no such element: Unable to locate element

kinda new in the selenium, I'm trying to reach a "submit" element in a very long xml page. Here is my code: import pip import time import autoit #import seleniu

Use ticker to periodically load all the files in memory from a path which keeps changing frequently?

I have an application which needs to read files from two different path. After reading all these files, I need to load them up in memory in products map. Path:

Don't understand OpenSSL API error handling

I'm implementing a little HTTP client using OpenSSL, and I'm trying to handle "connection timed out" errors gracefully. By gracefully, I mean I want to print a

Statistical Tests in R

I want to run Bonferroni P Adjusted Value Test on a stacked data set. This is my code: stat.2 <- stack.2 %>% group_by(modules) %>% t_test(values ~ phen

edit the ID column to add chr to a number

I have a vcf file. It looks like this: It has a vcf header followed by genotype information. I want to add chr to third column. Like now it looks like: 21 98257

Getting error $ operator not defined for this S4 class when findings mean of residuals [duplicate]

heyy i have a problem with getting the the below error. I am new to R and not sure how to resolve this!! I am trying to find the mean of resid

proper error handling for resetting Hourglass

I have a project with a number of instances of DoCmd.Hourglass -1 <various code> DoCmd.Hourglass 0 <other code> Any time there

How do I open ruby file in irb?

I'm currently using AWS cloud 9. I want to run my code but when I use the ruby command to open up my ruby file in irb it sometimes works or it gives me the erro

Getting Segmentation Fault error in C++ code

#include<bits/stdc++.h> using namespace std; //FIRST REPEATING ELEMENT (APPROACH 2) int main() { cout<<"running"; int n; cin>>n;

How To Add Error Handling To Flutter When Running Chewie Video Player

can anyone explain why flutter will at times crash and open a new tab in your editor highlighting some prebuilt flutter code, an example being when I implement