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.
1
vote
1answer
17 views
Logging errors with the same exception type
I wrote some code which simply retrieves the HTTP status code of the passed in URL. There are multiple potential causes of the same error. I am hoping to get some all around feedback on this code, ...
5
votes
2answers
63 views
1
vote
1answer
24 views
Handling all error conditions on success or failure response
I'm working on a screen where I sent a request and I get response in two types.
One is success and contains the below format:
...
4
votes
2answers
108 views
Verifying value before parsing
I am writing some Java code and am coming across a try/catch block in which I decided to verify the value is not null before parsing it:
...
-1
votes
1answer
53 views
Retrying to read a file [closed]
I have a piece code which retries 3 more times to open a file (see below). Are there potential problems or side effects with the way it is written? How can it be improved? Also, why would one use ...
3
votes
1answer
106 views
Servlet responses to upload/download requests
My task is to write a program to store files in object store. One of the subtasks requires to send json or xml format response to the file uploader/downloader as requested by client.
The following ...
0
votes
0answers
34 views
Sign-up controller and service
I'm programing server side node for a huge project. And I'm thinking my brains out about the best programming pattern that will be suitable for fast modification and changes.
Tell me what you think ...
1
vote
2answers
361 views
Failing fast by raising an exception with a custom message
This is a script that utilizes lazy exception throwing. What I do is decorate a function that might throw an exception to throw an exception with a formatted string.
...
1
vote
0answers
24 views
Custom 503 page for MySQLi connection error
I redirect all my requests to index.php via htaccess and the code below is in my index.php.
I want to ask if my code is properly set for a custom 503 page for an unsuccessful MySQLi connection trial.
...
8
votes
3answers
365 views
Exception handling and general check in Java
Are the catch statements ok or must I put in a println()? In general, is the code good-looking enough?
...
0
votes
0answers
24 views
HTTP Responce randomization
I've made some unethical code giving HTML responses at random and masking what is there for fun. It targets mainly crawlers and scripts that run through your website that are looking for ...
6
votes
2answers
418 views
Making error messages more efficient
I am using a way of making error messages, and it works fine. It is just starting to get a little annoying as my project gets larger.
I was wondering if there was a way to do with with out having to ...
0
votes
0answers
39 views
Error handling in directory iterator using promises
I wrote this example of IS.File.directoryIterator for Firefox.
Can you please help me to review it so if an error occurs it is caught? I'm not so great with ...
7
votes
1answer
31 views
Managing initialization for a vector abstract data type in C
As an assignment, I was to create an \$n\$-dimensional vector type for \$n \le 20\$. This vector only has to support addition and scalar multiplication.
I tried to write good code, with proper memory ...
1
vote
0answers
45 views
Use of get queryset and using pass to ignore an exception and proceed in my django view
I wrote a view to update my draft object. Before updating my draft I need to see if any draft exists for package(draft.package) in db or not. If any draft is ...
3
votes
1answer
98 views
Ruby selenium script waiting for an element to disappear
I'm a Java developer, I'm new to Ruby and I'm worried that I'm forcing or not-so-well using the goodness of the Ruby syntax.
What do you think about the Exception catching and how to print it in ...
-2
votes
2answers
107 views
return inside a loop - is it a good style? [closed]
Is it a bad style to return inside a loop?
I have the following method
...
2
votes
1answer
49 views
Error checking in function that returns reference to static variable
This is a function I just wrote with the goal to only load the desired information once, and if an error occurs, save it for later so that it can always be reported to a calling function.
It does ...
0
votes
2answers
80 views
Extract data from database and write them to file
I wanted to write a program that performed a query to a database, then formatted the data before writing it to a file.
I thus created 4 classes, which are:
a main class
a class dealing with the ...
1
vote
1answer
53 views
Making an HTTPS request more readable
I think the snippet is too nested having too many blocks. It needs to be refactored to make the logic more readable.
The try exception is the first level block
...
1
vote
1answer
44 views
Handling errors when using PDO to connect to a database instead of MySQLi
What would be the preferred method for handling errors when using the PDO to connect to a MySQL database? I was using mysqli_error($this->pdo), but I heard this ...
3
votes
0answers
117 views
Exception logger for servlets and JSPs
I hate using unnecessary catch blocks and I like to see my code look beautiful. In most of the cases in my project, which is a web application, I can't declare many ...
0
votes
0answers
50 views
Is this a safe way to do my own embedded dialog and exception handler?
I'm developing a multi-platform app via Delphi XE7 with the Firemonkey framework. I wanted to eliminate the sloppy Windows exception modal window, so I created my own in-line modal prompt dialog. It's ...
4
votes
1answer
57 views
Do you view this ThrowingFunction interface as “interface abuse”?
I am currently implementing a fun project involving lambdas and this project makes heavy use of the ability of Java 8 to have default methods in interfaces.
But when does such "heavy use" turn into ...
7
votes
3answers
78 views
Checking for intersection points
The aim of the program is to find those points which comes under the intersection of at least 2 circles.(space is a 1000x1000 matrix)
...
7
votes
1answer
64 views
Controller action to process orders and payments
I'm trying to reduce the if statements and simplify this create action.
...
3
votes
2answers
390 views
Multi threaded TCP server
I wrote this just for fun, to hone my exception handling skills. I want to know what I can do better in terms of exception handling (and otherwise) in the below code
Server
...
1
vote
0answers
35 views
Multicast Mining Rig Scanner [closed]
The class MulticastMinerScanner is a Runnable that scans for miners (computers running a mining client called CGMiner, which is configured to listen/respond for a multicast message containing the ...
5
votes
3answers
428 views
Try/catch in a Tic-Tac-Toe game
I'm looking at my code and it doesn't look very efficient. I'm simply trying to catch exceptions or prevent them from being thrown in the first place. Can you please take a look and tell me if there ...
4
votes
2answers
81 views
Querying MongoDB for information on a collection of books
I have this huge chunk of code. Is there any better to write this code, or am I too paranoid that I check every MongoDB query for error?
The logic is here:
Bookcollection = collection of books
Book ...
0
votes
1answer
65 views
1
vote
2answers
105 views
Stop connecting to a server after n unsuccessful attempts
I am trying to connect to a server.
If the connection goes through, then print an apt message.
If the connection does not go through, try for a total of n times. And quit after the nth attempt ...
5
votes
4answers
358 views
Java Stream Exception Handling
I find this piece of Java code really ugly and cumbersome. How can I refactor it to be more clean and easier to read?
...
2
votes
2answers
162 views
Returning latest database ID
I want my method to use a finally block so I can be ure that my EF entity is disposed after usage, even if an exception is thrown, but I would also like to not ...
2
votes
1answer
100 views
Is this the right way to handle Exceptions in PHP?
I'm using the function countLikes() to fetch URLs' Likes count from the Facebook API.
...
7
votes
3answers
130 views
RateBeer.com scraper
This was largely an exercise in making my code more Pythonic, especially in catching errors and doing things the right way.
I opted to make the PageNotFound ...
4
votes
1answer
227 views
AsyncTask which allows to handle exceptions on UI
The AsyncTask available in android, gives you the result from doInBackground on the UI thread so that you can update UI ...
0
votes
2answers
382 views
Elegant way to handle errors with JSP and Servlets (Model 2)
I have a form that submits to a registration Servlet, which inserts a new user to the database when they sign up to the web application. Depending on the erroneous user input, the Servlet will ...
3
votes
2answers
1k views
Class design for a student class
Problem Statement:
Design a STUDENT class to store roll, name, course, admission date and
marks in 5 subjects taken from user. Create an array of STUDENT
objects. Provide methods ...
2
votes
1answer
40 views
Improving efficiency and flow by changing subroutine orders
A batch file executes WinSCP.exe's console mode to download files and log the actions. Upon exit, WinSCP returns:
ERRORLEVEL 0 if the files are successfully ...
1
vote
3answers
69 views
1
vote
1answer
170 views
When should I call set_exception_handler with this exception handler class?
This is a simplified version of ExceptionHandler.php:
...
3
votes
1answer
166 views
Error-handling #ifdefs for AFNetworking requests
I am using AFNetworking 1.4.3 to send and receive network messages in iOS. My application works slightly differently in DEBUG and RELEASE mode, so I need to use ...
7
votes
2answers
147 views
Swift error handler for HomeKit
I have this universal error handler for my HomeKit app (currently in development). It grew out of wanting a single place to write error messages, show alerts, etc. I wanted a short, simple way to call ...
3
votes
1answer
742 views
File Exists Script Task for SQL Server SSIS
I have an SSIS package for SQL Server 2008. In this package, I need to verify that a file exists that matches a pattern of SomeFileName_*.txt where the wild card ...
3
votes
1answer
70 views
Handling errors on a web application
I have this C# production code for handling errors on a web application. There are currently two applications that use the class. In each application I initialize the class within the ...
2
votes
1answer
230 views
4
votes
1answer
199 views
Error Handling in Servlets and JSPs
I have an HTML login form that is processed by a servlet, which then redirects the user to a result page.
login.jsp:
...
16
votes
6answers
2k views
Is wrapping exceptions good practice?
I have recently been refactoring some code in an effort to improve the exception handling, particularly to aid in improving the level of information given to developers during development. However I ...
3
votes
1answer
980 views
Mongoose promise & error handling
I search for rails-like way of writing NodeJS code and it's more then hard to find the right way. The code quickly become bloated and unreadable. I would like my code to be as clean as possible.
...
