Tagged articles - C#

When having a long running loop which you are not sure when it is going to end you will probably have to create a loop in a separate loop and on every iterration you will check whether some condition is true and exit the loop. Let's say you want to execute some piece of code after some specific time, let's say after one minute or everyday at specific time (common scenario in windows services). You can do it really simple with Timer class and just few lines of code as the code below. ...read more

JSON is really easy to use and it really boosts performances since it is a lot lighter than XML and SOAP. Sometime it can be really annoying having to create POCO class every time you need to deserialize JSON value passed from client side in ASP.NET web applications. During extending project functionality this number of POCO classes can significantly grow to that matter that you have a bunch of classes for even the simplest task you have to do with JSON value. ...read more

Few moths ago I wrote and article about simple way to implement plugin architecture in C# simple plugin host application approach. This approach is great for desktop applications because when you for example need to update (which means replace the plugin dll) you can easily close the app and start it again and it will pickup new code. If you do not stop the application to replace the dll of plugin, you will not be able to replace the dll...read more

Probably who ever was working on some complicated dynamic client-side JavaScript used at least once eval functional in JavaScript. Basically this function executes the code which is passed to it as parameter. ...read more

In case you are building a web app that needs to perform some complex or long running task, for sure you would't want that task to slow down your website or web application. For example you have a database of growing number of members on your website and you want to send a notification after you published some page on the website. Imagine you have 10,000+ members and that you are composing different message for each of them based on their account information and then sending an email with notification message. ...read more

There are several things to be taken care of during development and before deployment to keep you online web app tip top regarding performance and security. 1. Logging informations ...read more

Basic functionality of your code does what it should do regardless of whether it is compiled in Debug of Release mode. Only differences might be related to debugging the code and tracing errors during debug. For sure you want more monitoring during the development (debug mode), so you would probably add some sort of logging. ...read more

I did not rely how important to restrict hot-linking until one day my friend came to me and told me that he has to pay additional money for the bandwidth on his website. He was surprised that he reached bandwidth quota limit. It was weird, but after some logging of requests coming to a website we realized that most of the requests were initiated from some other website...read more

From time to time you have a need to implement some maintainance opration for your application server. Whether it is just a simple temporary file deleting pr something more complicated. Two most common ways to do this are either using ...read more

String hardcoding it the worst way to generate your HTML. It makes code non-maintainable and hard to read. Lately in June I wrote an article how to generate HTML string without hard coding the string and using concatenation or string format...read more

I was always wondering where are additional properties for the image stored. Simply, when you click right click on the image in Windows and go to properties, in tab Details there are some more info than just file size and image dimensions. ...read more

Although Lazy keyword and functionality was introduced in .net framework 4.0, not many people are using. It is not something that was not possible to be done later, but now it is available only oin one line. Basicaly what Lazy keyword enables is to create an instance only when it is invoked for the first time. ...read more

Recently I was adding GitHub project section to my blog when I run into the following exception "The server committed a protocol violation. Section=ResponseStatusLine" After some time of Google-ing I found few solutions, but the most simplest one was actually the best one...read more

Recently I started a small project for image optimization which relies on public image optimization services available online. For now it supports Yahoo SmushIt and Compressor.io services, but it will be extended over the time. Project is open-source and hosted at GitHub https://github.com/dejanstojanovic/ImageOptimization. ...read more

Most popular social networks such is Facebook and Google+ are providing authentication for web applications with fancy javascript pop-ups. However this approach might not work in all browsers and most likely not on every device. For example this approach does not work on iPhone or iPad because browser itself does not allow pop-ups...read more