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

Costin Manda

May 8

Game idea: Candidate Chess

#game #idea #misc #chess

2 min read

Guards using invariant in JS

Sometimes you want to be more specific. Instead of x % 2 == 0...

Feb 5

Guards using invariant in JS

I think invariant is over engineered. In Javascript one can u...

Feb 4

Deep dive into React codebase [EP1: Prerequisites]

Great job! I don't really enjoy React that much and I suspect...

Jan 15

Features of a dream programming language

As the saying goes, you achieve perfection not when you have ...

Dec 29 '21

Would you opt to have your consciousness live forever on a computer? Tell us for an upcoming episode of our podcast! 🎧

Depends on who controls the computer, I guess. Would I choos...

Dec 3 '21

Immutable Arrays and Objects in JavaScript, the Native Way

Shift can also be achieved with the spread operator: const...

Nov 30 '21

How to Compare Arrays in JavaScript Efficiently

The post is called "How to Compare Arrays in JavaScript Effic...

Aug 7 '21

How to Compare Arrays in JavaScript Efficiently

Sure. Depends on the requirements. You could add 2n for copyi...

Aug 7 '21

View all 47 comments

Costin Manda

Apr 16

Unpin apps from Windows 11 Start Menu

#software #misc

1 min read

Costin Manda

Mar 25

Chess engines are optimizing for the wrong thing!

#chess #misc #essay

3 min read

Costin Manda

Mar 7

READPAST your problems in SQL

#programming #database #mssql

3 min read

Costin Manda

Feb 28

SQL date 1900-01-01 appearing out of nowhere

#programming #mssql #database

1 min read

Costin Manda

Feb 27

Enhancing .NET exceptions with just a line of code

#programming #net #c

5 min read

Costin Manda

Feb 27

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

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

#programming #javascript #browser

4 min read

Costin Manda

Jan 15

VALUES in Microsoft Transact-SQL

#programming #database #mssql

2 min read

Costin Manda

Jan 8

13.5 ways of being better than everybody else!

#misc #essay #rant #picture

1 min read

Costin Manda

Jan 5

I am in love with my browser

#misc #software #browser

4 min read

Costin Manda

Jan 1

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

6 1

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

5 1

35 min read

Costin Manda

Jul 31 '20

I finally understood what a reducer is!

#programming #javascript #net #c

2 min read

Costin Manda

Jul 27 '20

Towards generic high performance sorting algorithms

#programming #javascript

11 min read

Costin Manda

May 16 '20

Interview question: write a CSV exporter

#programming #question

4 min read

Costin Manda

May 2 '20

The obvious mistakes you still make as a senior developer

#programming #essay

5 2

2 min read

Costin Manda

Apr 21 '20

Quirks in Javascript regular expressions

#programming #javascript

5 1

2 min read

Costin Manda

Apr 18 '20

Question: background jobs from a for loop using the index variable

#programming #javascript #question

3 min read

Costin Manda

Apr 11 '20

Using CommandLineParser in a way friendly to Dependency Injection

#programming #c

5 min read

Costin Manda

Apr 6 '20

Stream of consciousness: iterables instead of numbers

#programming #net #c #javascript

7 min read

Costin Manda

Apr 5 '20

What is the difference between ++x and x++ in the context of .NET

#programming #c #net #picture

6 1

3 min read

Costin Manda

Mar 29 '20

QBasic INKEY in Javascript - an exploration of old and new

#programming #javascript #picture

5 min read

Costin Manda

Mar 22 '20

Interview question: Dependency Injection

#programming #net #question

5 min read

Costin Manda

Mar 14 '20

Foundational thinking in software design

#programming #essay #picture

5 1

13 min read

Costin Manda

Mar 7 '20

I support people in dev

#rant #misc #picture

5 2

2 min read

Costin Manda

Mar 7 '20

Windows update error 0xC1900101 - 0x30017

#software

2 min read

Costin Manda

Feb 29 '20

QBasic Play in Javascript - an exploration of old and new

#programming #javascript #picture

12 min read

Costin Manda

Feb 22 '20

Using Common Table Expressions to solve Sudoku in Microsoft SQL Server

#programming #database #mssql #picture

5 min read

DEV Community is a community of 847,300 amazing developers

Recent comments

Guards using invariant in JS

Guards using invariant in JS

Deep dive into React codebase [EP1: Prerequisites]

Features of a dream programming language

Would you opt to have your consciousness live forever on a computer? Tell us for an upcoming episode of our podcast! 🎧

Immutable Arrays and Objects in JavaScript, the Native Way

How to Compare Arrays in JavaScript Efficiently

How to Compare Arrays in JavaScript Efficiently