Below you'll find a list of all posts that have been tagged as “exception”
Exceptions are a commonly used feature in the Ruby programming language. The Ruby standard library defines about 30 different subclasses of exceptions, some of which have their own subclasses. The exception mechanism in Ruby is very powerful but often misused. This article will discuss the use of exceptions and show some examples of how to deal with them. What is …
Modern applications are complex multi-tier and multi-layer systems that consist of multiple client-side apps, web servers, application servers, and database servers. The applications use third-party libraries, communicate with other applications using different communication mechanisms, and rely on cloud services and hosting providers. The complexity goes on and on and on. In other words, modern applications are Complicated with a capital …
Handling an exception is one of the most common but not necessarily one of the easiest tasks. It is still one of the frequently discussed topics in experienced teams, and there are several best practices and common mistakes you should be aware of. Here are a few things you should avoid when handling exceptions in your application. Mistake 1: Specify …
Exception handling in Java isn’t an easy topic. Beginners find it hard to understand and even experienced developers can spend hours discussing how and which Java exceptions should be thrown or handled. That’s why most development teams have their own set of rules on how to use them. And if you’re new to a team, you might be surprised how …
There are many types of errors that could be encountered while developing Java software, from, but most are avoidable. We’ve rounded up 50 of the most common Java software errors, complete with code examples and tutorials to help you work around common coding problems. For more tips and tricks for coding better Java programs, download our Comprehensive Java Developer’s Guide, …
Exception handling is a critical component of every software application. The last thing you want is your users to see weird errors, or even worse, your application keeps crashing. In this article, we are going to discuss how to find and catch all exceptions in C# applications. .NET provides several different ways to catch exceptions and view unhandled exceptions. Topics …
Developing in .NET provides several powerful benefits, including less overall code, improved security, ease of updates/changes, and language independence. That said, the system isn’t without errors and problems. From common exceptions to coding mistakes to incorrect assumptions, most of these issues come down to programmer error. The list below shares the 50 top .NET software errors from around the web. …
Practically everyone who has ever used a web page or an app has encountered an exception at one point or another, but they probably didn’t realize what it was. Exceptions are pretty common ways to handle unexpected inputs but are they always the right way to handle such problems? In this post, we’ll take a closer look at C# exceptions, …
Modern applications tend to rely on many application dependencies. Most applications use some form of database and external HTTP based web services. If you are not intimately familiar with the code, it can be very difficult to know exactly what the code does and what dependencies that it has. It is also very important to understand the performance of those …
The ASP.NET framework provides built-in settings to control how to respond when an application error occurs. This functionality is part of the Web.Config customErrors section. Configuration Options for Web.Config <customErrors> Like most web.config settings, customErrors can be configured within the Machine.config, root web.config or your application web.config file. Usually, it is set per application. CustomErrors supports the following modes: On – …
Error handling is an important part of any application. ASP.NET provides several different ways to handle errors. In this article, we will review MVC error handling best practices. 5 Ways to do MVC Error Handling Between .NET, ASP.NET, and MVC there are several potential ways to handle application errors. Web.Config customErrors MVC HandleErrorAttribute Controller.OnException method HttpApplication Application_Error event Collect exceptions via …
Exceptions can cause big performance problems. One of the most important performance metrics to track about your application is “# of Exceps Thrown / Sec“. It is available via Windows Performance Counters under the category .NET CLR Exceptions. In this article we will talk about exceptions, how to monitor your exception rate and find the actual exceptions being thrown. Is …
The .NET Framework provides a couple built in ways to convert a C# string to int, or several other numeric datatypes. It is important that you do so in a way that does not throw potential exceptions. Unsafe Ways to Convert a C# String to Int You can use a couple built in methods, as shown below, to convert a …
What is an Unhandled Exception? An exception is a known type of error. An unhandled exception occurs when the application code does not properly handle exceptions. For example, When you try to open a file on disk, it is a common problem for the file to not exist. The .NET Framework will then throw a FileNotFoundException. This is a simple example …
After 15+ years of software development, I still use the words error and exception interchangeably. But is there a difference between error and exception? I think it is best to make the distinction with some examples of errors vs exceptions. Example #1: Dishwasher Errors Let’s use this example of a dishwasher. Both images depict a problem, or error, that happened with …
Welcome to Stackify’s guide to C# exception handling. In this article we cover the following topics: Basics about C# Exceptions, including examples Common .NET Exceptions How to Create Your Own Custom C# Exception Types How to Find Hidden .NET Exceptions C# Exception Logging Best Practices What is an Exception? Exceptions are a type of error that occurs during the execution …
Prefix enables developers to easily see what their code is doing as they write and test their code, including SQL queries, HTTP calls, errors, logs, and much more. One of the best features of Prefix is its ability to see all of the exceptions that are occurring in your code. There are 3 types of exceptions: Unhandled – the user got a …
” We turned on APM+ and within a couple of minutes were able to identify the issue and a few hours later push out a fix.” Who is Carbonite? Carbonite is a leading provider in backup recovery and archiving solutions for small businesses and home users. We fuel continuity by providing powerful yet simple tools to help keep businesses in …
Exceptions in .NET can be very expensive when it comes to CPU cycles. Read how Geeks with Blogs (http://geekswithblogs.net) used Retrace to improve the performance of their application. About Geeks with Blogs (GWB) Thousands of software developers use Geeks with Blogs (GWB) to host their own personal blog. The code base has slowly morphed and has been modified by several developers over …
Even the smallest exception can cause material damage to your company’s operations, which, in turn can have repercussions on revenue. So it’s obviously important to have a grasp on your plan to track and troubleshoot exceptions. It seems like a simple enough process – the exception is raised, you look at it, and then make changes to your app so …
