Costin Manda

Romanian .NET C# developer for 20 years+.

Bucharest, Romania Joined on Dec 31, 2017 https://siderite.dev

Work

Senior software developer at Euroclear

C#, SQL, Javascript

I've been hacking at https://github.com/Siderite/LInQer, a LINQ implementation in Javascript and TypeScript.

Anything coding related. .NET, SQL and Javascript mostly.

89 posts published

50 comments written

1 tag followed

Costin Manda

Dec 19 '23

In class members which are functions, this is not defined unless you ask for it

#programming #javascript

1 min read

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Costin Manda

Oct 24 '23

Disabling OneDrive in Microsoft Office

#misc #software

2 min read

Costin Manda

Aug 17 '23

Disable CSP (headers AND meta tag) in Chromium based browsers

#programming #rant #browser #picture

13 min read

Costin Manda

Aug 16 '23

SQL Server - Timing out because of table variables

#programming #database #mssql

3 min read

Costin Manda

Apr 23 '23

Better options than object and collection initializers

#programming #net #csharp

4 min read

Costin Manda

Apr 20 '23

Custom resolve handler in Microsoft's ServiceProvider (enabling property injection)

#programming #c #net #core

5 min read

Costin Manda

Nov 22 '22

XmlSerializer memory leak

#programming #net #c

3 min read

Costin Manda

Nov 9 '22

String.Join in Excel

#programming #software #rant #picture

3 min read

Costin Manda

Nov 8 '22

Fast fuzzy searching of a string in a list

#programming #javascript #c

4 min read

Costin Manda

Oct 27 '22

Temporary tables better than table variables!

#programming #database #mssql

3 min read

Costin Manda

Oct 22 '22

Windows start menu search not working, search textbox not accepting input

#misc #software

2 min read

Costin Manda

Sep 6 '22

Careful with table partitioning in SQL

#programming #database #picture

2 min read

Costin Manda

Jul 17 '22

Introduction to SQL (Microsoft SQL Server)

#programming #database #mssql

27 min read

Costin Manda

Jul 14 '22

Careful with VIEWs with SCHEMABINDING in Microsoft SQL Server

#programming #database #mssql

4 min read

Costin Manda

May 22 '22

Quick SQL hint: Use Application Name in connection strings

#programming #database #mssql #picture

3 min read

Costin Manda

May 8 '22

Game idea: Candidate Chess

#game #idea #misc #chess

2 min read

Costin Manda

Apr 16 '22

Unpin apps from Windows 11 Start Menu

#software #misc

1 min read

Costin Manda

Mar 25 '22

Chess engines are optimizing for the wrong thing!

#chess #misc #essay

3 min read

Costin Manda

Mar 7 '22

READPAST your problems in SQL

#programming #database #mssql

3 min read

Costin Manda

Feb 28 '22

SQL date 1900-01-01 appearing out of nowhere

#programming #mssql #database

1 min read

Costin Manda

Feb 27 '22

Enhancing .NET exceptions with just a line of code

#programming #net #c

5 min read

Costin Manda

Feb 27 '22

Learn T-SQL Querying: A guide to developing efficient and elegant T-SQL code, by Pedro Lopes, Pam Lahoud

#programming #books #database #mssql

1 min read

Costin Manda

Feb 12 '22

Explaining the DOM: a script helper for CSS and ad blockers

#programming #javascript #browser

4 min read

Costin Manda

Jan 15 '22

VALUES in Microsoft Transact-SQL

#programming #database #mssql

2 min read

Costin Manda

Jan 8 '22

13.5 ways of being better than everybody else!

#misc #essay #rant #picture

1 min read

Costin Manda

Jan 5 '22

I am in love with my browser

#misc #software #browser

4 min read

Costin Manda

Jan 1 '22

Transition from social media

#misc #personal

11 min read

Costin Manda

Dec 15 '21

Windows 11 Taskbar sucks [Solved]

#software #misc

1 min read

Costin Manda

Dec 10 '21

System.ArgumentException: Argument passed in is not serializable.

#programming #net #c

2 min read

Costin Manda

Dec 3 '21

Why programs ARE algorithms, but not like the ones in interviews

#programming #essay

8 min read

Costin Manda

Nov 15 '21

Careful using Regex classes

#programming #c

2 min read

Costin Manda

Nov 11 '21

Clean way to build URLs in .NET

#programming #c

4 min read

Costin Manda

Nov 8 '21

Creating a console app with Dependency Injection in .NET Core

#programming #net #c #core

4 min read

Costin Manda

Oct 28 '21

Everything good in the world (even if nobody cares about you)

#misc #essay #rant

3 min read

Costin Manda

Oct 26 '21

Do abstract flow steps in small methods for readability

#programming #c

6 min read

Costin Manda

Aug 6 '21

Why all articles about demystifying JS array methods are rubbish

#c #javascript #programming #rant

8 min read

Costin Manda

Jul 28 '21

What's important in tech interviews

#programming #video

1 min read

Costin Manda

Jun 22 '21

VB.Net Gotcha: Always assign variables when declaring them

#programming #vb

1 min read

Costin Manda

Jun 16 '21

Learning from React - part 6

#programming #react #net #essay

8 min read

Costin Manda

Jun 16 '21

LInQer for Typescript is here!

#programming #linq #typescript #npm

1 min read

Costin Manda

Jun 10 '21

Learning from React - part 5

#programming #essay #typescript #react

7 min read

Costin Manda

Jun 2 '21

Learning from React - part 4

#programming #essay #react #net

7 min read

Costin Manda

May 31 '21

Learning from React - part 3

#programming #react #typescript #net

8 min read

Costin Manda

May 31 '21

Learning from React - part 2

#programming #essay #react #net

5 min read

Costin Manda

May 28 '21

Learning from React - part 1

#programming #essay #react #aspnet

5 min read

Costin Manda

May 18 '21

Webpack "there are multiple modules with names that only differ in casing"

#programming #node #react

2 min read

Costin Manda

May 18 '21

Running npm start without opening browser

#programming #visualstudiocode #react

1 min read

Costin Manda

May 5 '21

Making a React Typescript application work on Internet Explorer 11

#programming #typescript #react

2 min read

Costin Manda

Oct 26 '21

Nobody cares about you!

#programming #essay #rant #misc

4 min read

Costin Manda

Apr 29 '21

Interception of object methods and properties in .NET Framework and Core

#programming #c #net

3 min read

Costin Manda

Apr 25 '21

Interview question: generate all valid combinations of n pairs of parentheses

#net #programming #c #question

6 min read

Costin Manda

Apr 24 '21

Is lazy dependency injection a good idea?

#programming #c #net

6 min read

Costin Manda

Apr 18 '21

Using Kendo UI for jQuery MultiSelect with dynamic values

#programming #webdesign #javascript

3 min read

Costin Manda

Apr 18 '21

Optimizing an SQL Server query

#mssql #database #programming

2 min read

Costin Manda

Apr 15 '21

Disable assistants on my Android headphones

#misc #rant #mobile #software

2 min read

Costin Manda

Nov 26 '20

Careful with dates in Javascript

#programming #javascript

2 min read

Costin Manda

Nov 20 '20

Creating a Discord chat bot in .NET

#programming #c #net #aspnet

6 min read

Costin Manda

Aug 31 '20

Turning Quicksort on its head

#programming #essay

6 min read

Costin Manda

Aug 8 '20

Optimizing complex SQL queries and stored procedures

#programming #database #mssql

35 min read

Costin Manda

Jul 31 '20

I finally understood what a reducer is!

#programming #javascript #net #c

2 min read

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