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Tagged articles - C#
Found 186 articles tagged with C#
14
Apr
2015
Benefits of binary serialization in C#
.NET217 titlesManipulationg with object instances using binary serialization in C#
0
By default object instances in .NET are never "trully" clonned. Instead .NET is doing shallow copy of instances which means if you have one variable which is object instance and you assign that variable to other variable, both of them will point the same instance of that object...read more
14
Apr
2015
Scraping website content using HtmlAgilityPack
.NET217 titlesBuild you own website crawsler for extracting data from websites
0
HTML is a markup language same as XML, but still there are differences which make dealing with them a bit different. Basically HTML is a strict structure in terms of node sets and attribute sets, but in general more documents online are not exactly following the proper structure since browsers usually manage to deal with rendering out the document in UI...read more
09
Apr
2015
Microsoft IIS and ASP.NET MVC caching techniques
.NET217 titlesWays to cache data and response to improve page performance
0
Of course, the best way to make you web application work fluent is to write the code properly and design the architecture of application to meet requirements and certain load depending of the type of application. But even though architecture is good, you can always improve performance by reducing processing in application code itself...read more
22
Mar
2015
Enabling CORS only for specific domains in ASP.NET
.NET217 titlesEnable cross origin resquests only for certain domains in ASP.NET
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Cross-origin resource sharing (CORS) means that page from other domain can make request to some resource which is on other domain. For example, if you try to invoke some WEB API method which is running on different domain you will get exception in the script.
By default CORS are disabled in ASP.NET bot you can easily enable them just by modifying web.config for IIS7 and newer versions pf IIS.
...read more
17
Mar
2015
Zip whole folder on the fly in ASP.NET MVC application
.NET217 titlesGenerate folder archive and send zip file in a response in ASP.NET MVC
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Generating Zip archives has always been a great thing if you need to generate different content for the request depending on some parameters. In case you need to return multiple files this is one approach to go with...read more
15
Mar
2015
Detect when file download request is finished with jQuery
JavaScript31 titlesFiguring out when file download request completes with jQuery
0
Recently I started a small free service app for extracting icons from application files .exe and .dll. It is called IconExtract and it is hosted at http://iconextract.dejanstojanovic.net/
It basically takes application file you submit, extracts icons and returns them zipped, so beside long running upload there is some processing on the back-end when file is uploaded as well.
...read more
12
Mar
2015
Image thumbnail Html helper with image caching for the perforance
.NET217 titlesCreating image thumbnail with caching in MVC
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Creating image thumbnail on the fly is pretty easy in ASP.NET whether you are still using WebForms or MVC. There is even a methods introduced in .NET 4.5 framework for generating thumbnail image from a Bitmap class instance.
You can easily create and action in a controller and generate and return thumbnail image on the fly...read more
03
Mar
2015
Enabling GZip and Deflate compression from ASP.NET code
.NET217 titlesCompress your response on hosts where IIS compression is not supported
0
HTTP compression is a simple way to improve site performance and decrease bandwidth, with no configuration required on the client side. If you test your website through Google PageSpeed Insights, HTTP compression will be one of the points recommended to be used to increase website performance.
Luckily for .NET developers IIS supports it out of the box...read more
02
Mar
2015
Accessing UmbracoHelper in HttpHandler request
Umbraco CMS25 titlesWorking with UmbracoHelper and IPublishedContent in HttpHandler
0
If you were planning to create sitemap.xml in Umbraco, you most probably were doing it with HttpHandler. This was fine until Umbraco version 6.2.2.
If your website was running in lower version, most probably after update your HttpHandler were crashing since UmbracoContext.Current returns null.
...read more
02
Mar
2015
Easier manipulation with IEnumerable objects
.NET217 titlesUseful extension methods for working with lists, arrays, dictionaries...
0
Working with any collection which implements IEnumerable is pretty easy in C#, plus if you are using LINQ you can easily manipulate with collection data. Recently I was doing some filtering with some in-memory collections and I had to check whether one collection contains same elements as some other collection with elements of the same type...read more
01
Mar
2015
Super lightweight Data Access Layer returning models from ADO
.NET217 titlesReturn strongly typed objects directly from stored procedure calls
0
Entity framework is an awesome tool for working with database in .net, but sometime you have to get back to old fashion ADO for the performances. The bad thing is that as soon as you get back to ADO, you have to deal with SqlDataReader, DataTable and DataSet classes...read more
24
Feb
2015
Transform comma seperated string to rows in SQL Server
SQL/T-SQL9 titlesUse comma separated string in TSQL
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Passing complex data to and from stored procedures has always been a tricky one. The most elegant way to pass values to a stored procedure is to use predefined data types in SQL Server...read more
09
Feb
2015
Managed Extensibility Framework (MEF) quick start
.NET217 titlesIntroducing MEF with simple code example application
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Managed Extensibility Framework or MEF is a library introduced in .NET Framework 4 which allows developers to easily create plugin based applications. It lives in System.ComponentModel.Composition namespace and before start working with MEF reference to this assembly needs to be added in a project.It is basically an implementation of IoC (Inversion of Control) pattern with few core functionalities such as assembly loading...read more
06
Feb
2015
Random element of IEnumerable/Array
.NET217 titlesRandom element extension method for IEnumerable/Array
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I don't work with random values very often but recently I had to write some small function that returns random value from an array. It sounded like a good idea to write it as an extension method to make it reusable for other projects...read more
05
Feb
2015
ConcurrentDictionary vs Hashtable.Synchronized
.NET217 titlesComparison of collections in multithread environment
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Basically all Dictionary collections in .NET internally implement Hashtable wrapped, so in terms of mechanism they are pretty much the same. The difference is that Dictionary exposes strong types while Hashtable uses object-object keyvalue pair which is much harder to work with because you need to know what is the actual type of the object stored in a key or value. Often casting will probably be required...read more
.NET
19
Dec
2020
Setting up SQL Server IDistributedCache with migration in ASP.NET Core
Embedding SQL Server caching in a project with EFCore migration
11
Dec
2020
Representing available string values for parameters as list in Swagger ASP.NET Core
Valid values as list in Swagger UI in ASP.NET Core
24
Nov
2020
Running multiple queries at the same time in EF Core
Overcoming the limitation of EF Core query execution
17
Nov
2020
Accessing multiple databases from the same DbContext in EF Core
Multiple database access from the same DbContext in Entity Framework Core 5
11
Sep
2020
Building and using advanced .NET Core CLI global tools
Handling commands, arguments and options in .NET CLI global tool application
6
Sep
2020
Seeding data in EF Core using SQL scripts
Another way of seeding data in EF Core
JavaScript
28
Oct
2018
HTML5 localStorage with expiry with vanilla JavaScript
Using HTML5 localStorage with expiry
8
May
2018
Monitoring DOM changes with JavaScript
Handling DOM changes with plain JavaScript
9
May
2017
Non blocking CSS load on the page
Load external CSS files in an async manner
16
Mar
2017
Serialize html form to JSON without using JQuery
Transform user input from HTML form fields to JSON
17
Jan
2016
Copy text value to clipboard using jQuery
Simple sample of using jQuery to copy value to clipboard
11
Jan
2016
Resize image on the client side with JQuery
Reducing the upload sie by resizing image on the client side
SQL/T-SQL
23
May
2020
Identifying opened connections for the specific application in SQL Server
Connection listing queries in SQL Server
3
May
2018
Reading JSON data in T-SQL on SQL Server
Extracting values from JSON string on SQL Server using T-SQL
28
Apr
2016
Create XML/HTML with T-SQL
Generating XML/HTML output in SQL Server
24
Nov
2015
IP address to octets split in TSQL
Split IP addresse into octets in SQL Server
20
Jul
2015
Getting first and last second of the current year, month and day
Using minimum and maximum date time in SQL query
13
Apr
2015
Dealing with duplicate rows in SQL Server
Finding and cleaning up duplicate rows in SQL Server tables
Umbraco CMS
2
Mar
2018
Minify HTML output of your pages
Minification of HTML output using ASP.NET IHttpModule
18
Apr
2015
Generate sitemap.xml on the fly in Umbraco CMS
Simple sitemap.xml Umbraco handler
2
Mar
2015
Accessing UmbracoHelper in HttpHandler request
Working with UmbracoHelper and IPublishedContent in HttpHandler
14
Sep
2014
Same page language switching in Umbraco
Land on the same page in different language in Umbraco using Relations
4
Sep
2014
Getting cropped image the smart way
The way to get cropped image URL with option to load original image too
27
Aug
2014
Fastest way to return JSON result from a controller
Resturn JSON in MVC controller action