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Roel Van de Paar | 4993 videos | Updated 1 week ago
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4:10

Code Review: Simplifying WebView (2 Solutions!!)

Roel Van de Paar

3:16

Code Review: Content management system for teaching PHP OOP to beginners (2 Solutions!!)

Roel Van de Paar

2:21

Null checks in view

Roel Van de Paar

3:02

Code Review: Make sequential fadeIn() promises more manageable

Roel Van de Paar

2:24

Code Review: Account view with MVC and paging

Roel Van de Paar

1:59

Code Review: Implementing `Applicative Cons`

Roel Van de Paar

2:49

Code Review: Playing with strings (2 Solutions!!)

Roel Van de Paar

3:02

Code Review: Block building game - Part 2

Roel Van de Paar

3:03

Code Review: Mapping a textual method name to a function

Roel Van de Paar

3:54

Function caller (to multiple receivers) interface (2 Solutions!!)

Roel Van de Paar

4:07

Code Review: Student status form (2 Solutions!!)

Roel Van de Paar

3:25

Code Review: Computing the RPY tensor with C++/Eigen (linear algebra) (2 Solutions!!)

Roel Van de Paar

2:59

Code Review: Minesweeper analyze goes to N-Queensland

Roel Van de Paar

3:01

Code Review: geoInput jQuery Plugin

Roel Van de Paar

3:00

Code Review: Project Euler module

Roel Van de Paar

2:10

Code Review: Using app.use only in routes that start with /admin

Roel Van de Paar

5:02

Code Review: Optimization of sieve of Erathosthenes (3 Solutions!!)

Roel Van de Paar

3:20

Code Review: Reading configuration from a file for video rendering (2 Solutions!!)

Roel Van de Paar

3:31

Find the Biggest Traveler (2 Solutions!!)

Roel Van de Paar

2:44

Code Review: Series, Powers, and Benches

Roel Van de Paar

4:06

Check is_permutation on a pair of same sized arrays - follow-up (2 Solutions!!)

Roel Van de Paar

3:18

Code Review: Synchronous and asynchronous motor movement (2 Solutions!!)

Roel Van de Paar

3:13

Bitmap-based Sieve of Erastothenes (2 Solutions!!)

Roel Van de Paar

2:10

Code Review: SICP Exercise 1.3: Sum of squares of two largest numbers out of three, Haskell Version

Roel Van de Paar

2:55

Code Review: String find and replace method optimization

Roel Van de Paar

3:45

Code Review: Navigation item selection (2 Solutions!!)

Roel Van de Paar

4:31

Code Review: Making datastore inserts with Google App Engine and WTForms (2 Solutions!!)

Roel Van de Paar

3:36

Code Review: Fetching the definition of a word using a REST API (2 Solutions!!)

Roel Van de Paar

2:46

Code Review: Web application for recording blog comments

Roel Van de Paar

3:59

Code Review: Checking a numeric palindrome (2 Solutions!!)

Roel Van de Paar

3:47

Render elements from an array of objects (2 Solutions!!)

Roel Van de Paar

3:57

Code Review: Binary Search Tree in Java (2 Solutions!!)

Roel Van de Paar

3:50

Code Review: SQLite UPDATEs for persons and a subclass (2 Solutions!!)

Roel Van de Paar

2:57

Code Review: Codechef COOKMACH solution, exceeding time limit (2 Solutions!!)

Roel Van de Paar

1:58

Code Review: Generating JSON from a query

Roel Van de Paar

3:06

Code Review: Function and method debugging decorator - Part 2

Roel Van de Paar

2:59

Code Review: Ability System in my game

Roel Van de Paar

2:48

Code Review: Cutting rectangle from circle

Roel Van de Paar

3:50

Code Review: Implementation of the Access version DBLookup() in VB6 (2 Solutions!!)

Roel Van de Paar

2:42

Fake 3D effect in SFML - follow up

Roel Van de Paar

2:33

Code Review: Function to remove element from an array (2 Solutions!!)

Roel Van de Paar

2:24

Addition script - follow-up

Roel Van de Paar

4:09

Macro to format a specific worksheet (2 Solutions!!)

Roel Van de Paar

4:11

Code Review: C++ Interrupted Bubble Sort (4 Solutions!!)

Roel Van de Paar

2:35

Code Review: TrieSet with Wildcard Search

Roel Van de Paar

3:54

Code Review: Performing operations on a processed int vector (3 Solutions!!)

Roel Van de Paar

2:42

Code Review: 0-1 Knapsack in Java

Roel Van de Paar

2:59

Using a separate class in Symfony to handle a list of entities with controller injection

Roel Van de Paar

3:20

Paginating blog posts from SQL server using nested LINQ statements

Roel Van de Paar

3:01

Code Review: Lua/Love2D Resource Loader (Queue)

Roel Van de Paar

3:17

Code Review: Read a config file into an array (2 Solutions!!)

Roel Van de Paar

3:19

Code Review: Improving performance for Depth-first search algorithm

Roel Van de Paar

2:59

Minimum number of moves to reach the end

Roel Van de Paar

3:06

Code Review: TeX preamble for theses and short books

Roel Van de Paar

2:52

Code Review: Extended exception for network errors in Python

Roel Van de Paar

2:38

Checking for vowels rewrite

Roel Van de Paar

4:42

Code Review: Implementation of warning storage (4 Solutions!!)

Roel Van de Paar

3:05

Code Review: Pointer lists for a C++ garbage collector

Roel Van de Paar

4:05

Code Review: Sorting structures lexicographically (2 Solutions!!)

Roel Van de Paar

2:28

More efficient method to check for duplicate database entries?

Roel Van de Paar

3:12

Code Review: Method to get user information (OOP / MVC approach) (2 Solutions!!)

Roel Van de Paar

2:34

Code Review: CodeKata: Find all the runs in the set

Roel Van de Paar

4:42

Code Review: Fighting f i r e regex with f i r e regex (3 Solutions!!)

Roel Van de Paar

4:06

Code Review: Simple Ruby program: a + b = c (3 Solutions!!)

Roel Van de Paar

2:43

Code Review: Beginner attempt at a text adventure v2

Roel Van de Paar

2:54

Code Review: Escalation approval tool, copy to clipboard via Python

Roel Van de Paar

4:06

Code Review: Questionnaire for troubleshooting a phone (2 Solutions!!)

Roel Van de Paar

3:01

Code Review: Component that reacts on data changed from the store

Roel Van de Paar

3:50

Getting JSON with jQuery, creating a function that displays the data from two separate feeds

Roel Van de Paar

3:05

Code Review: Using two maps and making a new map by applying all the transformations

Roel Van de Paar

3:01

Redis Client: Go based Game server

Roel Van de Paar

3:07

Validation on two different classes and passing one object including everything to another class

Roel Van de Paar

2:55

Code Review: Download images from an image board based on tags and blacklists

Roel Van de Paar

3:53

Code Review: Validation for registration password (2 Solutions!!)

Roel Van de Paar

1:47

Code Review: Update quote statement

Roel Van de Paar

3:04

Code Review: Matching of values through user input

Roel Van de Paar

5:02

Code Review: Factory Method Pattern - Base implementation to Add New Records (4 Solutions!!)

Roel Van de Paar

3:19

Code Review: Temporal kernel filtering on video frames coming in a loop (2 Solutions!!)

Roel Van de Paar

3:17

Code Review: Java Merge Sort

Roel Van de Paar

4:03

Code Review: Implementing operations for Number classes (2 Solutions!!)

Roel Van de Paar

2:16

VS 2015 std::char_traits<char16_t> operations

Roel Van de Paar

3:08

Code Review: Learning C The Hard Way - logfind implementation

Roel Van de Paar

2:59

Code Review: C - Client Server application

Roel Van de Paar

2:48

Code Review: Generate pieces of an SQL query

Roel Van de Paar

3:01

Building a simple random equation of size

Roel Van de Paar

3:19

Code Review: Customized class crawler to harvest names and phone numbers from a webpage

Roel Van de Paar

3:06

Code Review: Find the number in an array which is closest to an given number

Roel Van de Paar

2:10

Extension vs Class For ViewModel

Roel Van de Paar

2:22

Code Review: Avoid re-initialize values in javascript

Roel Van de Paar

3:26

Code Review: Callback notation in a Mediator (2 Solutions!!)

Roel Van de Paar

2:48

Radix Sort Efficiency (2 Solutions!!)

Roel Van de Paar

4:03

Random Number Generator Followup: Choosing the Generator Algorithm and the Distribution

Roel Van de Paar

4:09

Program for entering 1000 random numbers into two different databases, one for odd numbers and...

Roel Van de Paar

4:11

Code Review: Chaining promises into a callback (2 Solutions!!)

Roel Van de Paar

1:52

Code Review: Fisher-Yates shuffle in JavaScript

Roel Van de Paar

3:04

Code Review: Hashtag Creator: Find frequent words and display their occurrences

Roel Van de Paar

4:20

Navigation controller in Swift (3 Solutions!!)

Roel Van de Paar

3:47

Code Review: Read, calculate, write (2 Solutions!!)

Roel Van de Paar

3:01

Code Review: TDD approach for Advent of Code challenge: infinite spiral on a grid

Roel Van de Paar

2:33

Code Review: Solving Chain Reaction on Small Boards: Verifying Correctness

Roel Van de Paar

2:39

Code Review: Greedy adaptive dictionary (GAD) for supervised machine learning

Roel Van de Paar

2:59

Code Review: Finding many paths in a graph

Roel Van de Paar

2:58

Code Review: finding boundary elements in cartesian grid

Roel Van de Paar

3:03

Code Review: Proof that two lines intersect each other at precisely one point in Idris

Roel Van de Paar

2:55

Code Review: Simulating coin flips and plotting a histogram

Roel Van de Paar

2:10

Code Review: Async Task using RxJava2 in Android

Roel Van de Paar

2:50

Dynamically sized queue (2 Solutions!!)

Roel Van de Paar

3:16

Concurrent access to data with QReadWriteLock

Roel Van de Paar

2:29

Code Review: ASP.NET HTML code generation, two approaches (2 Solutions!!)

Roel Van de Paar

2:30

Code Review: Call center escalation excercise, using Chain of Responsibility pattern

Roel Van de Paar

5:18

Code Review: Addition of 2 integers (3 Solutions!!)

Roel Van de Paar

4:39

Code Review: Exercise to refactor a class with various credit limit rules (3 Solutions!!)

Roel Van de Paar

3:01

Code Review: Simple application to look up items in a list

Roel Van de Paar

3:36

Code Review: School Student management project that keeps school records (2 Solutions!!)

Roel Van de Paar

2:58

WeatherApp, working with APIs

Roel Van de Paar

3:23

Maximum Heap Container

Roel Van de Paar

3:00

Code Review: Finding decreasing sequences in an array of numbers

Roel Van de Paar

2:58

Java => Caesar Cypher

Roel Van de Paar

4:01

Code Review: Simple Python 3 TicTacToe Game (2 Solutions!!)

Roel Van de Paar

3:00

Code Review: Strassen Vinograde Algorithm

Roel Van de Paar

3:52

Code Review: Project Euler #7: Nth prime number (2 Solutions!!)

Roel Van de Paar

3:02

Code Review: Minimum steps to reach target by a Knight In Scala

Roel Van de Paar

3:08

Code Review: Design pattern: image downloads

Roel Van de Paar

2:48

A faux parser for fdf files

Roel Van de Paar

3:21

Code Review: Pygame simulation of a production line (2 Solutions!!)

Roel Van de Paar

3:38

Iterating through two objects with different structures in parallel (2 Solutions!!)

Roel Van de Paar

2:42

Code Review: Finding index in list in C++

Roel Van de Paar

2:29

Code Review: Detecting if an element is found inside a container (2 Solutions!!)

Roel Van de Paar

4:17

Code Review: Maze generator for teaching Python 3 (2 Solutions!!)

Roel Van de Paar

3:45

Code Review: HTTP C++ Implementation (2 Solutions!!)

Roel Van de Paar

4:07

Code Review: Solve quadratic equation in standard form (2 Solutions!!)

Roel Van de Paar

2:58

Number of Islands

Roel Van de Paar

2:39

SQL query to count loans issued during each week

Roel Van de Paar

2:13

Code Review: Two CSS grids side by side, one is scrollable, the other isn't

Roel Van de Paar

3:49

Async concurrency prevention class (2 Solutions!!)

Roel Van de Paar

1:27

Code Review: dput() concatenated vector with no quotes, separated by commas in R

Roel Van de Paar

2:53

Code Review: Simplified three-body simulation

Roel Van de Paar

3:07

Code Review: An array with $O(log n)$ time complexity for all operations

Roel Van de Paar

4:51

Project Euler Problem #50 Consecutive Prime Sums (3 Solutions!!)

Roel Van de Paar

3:45

Code Review: Project Euler # 62 Cubic permutations in Python (2 Solutions!!)

Roel Van de Paar

2:58

Async Data Validation with Hooks (2 Solutions!!)

Roel Van de Paar

3:23

Code Review: Extract numbers from the head of a string in BASH script

Roel Van de Paar

2:55

A program that draws a spiral

Roel Van de Paar

2:57

Code Review: Loading BitmapImages out of a Zip file

Roel Van de Paar

3:43

A simple Pygame that has a square move and jump (2 Solutions!!)

Roel Van de Paar

3:03

Understanding RSA key generation and implementation in Java

Roel Van de Paar

3:49

Code Review: Run length encoder decoder (2 Solutions!!)

Roel Van de Paar

4:06

Code Review: Create secret messages (2 Solutions!!)

Roel Van de Paar

3:08

process numerical input arguments of mixed ints, floats, and "array-like" things of same length>1

Roel Van de Paar

4:52

Code Review: How to optimize if statement in python from a parsing script? (4 Solutions!!)

Roel Van de Paar

2:33

Weaving multiple lists into one

Roel Van de Paar

3:19

Code Review: Advent of Code 2019 Day 2 in Rust

Roel Van de Paar

6:25

Code Review: Saving worksheets as pdf and sending per mail (4 Solutions!!)

Roel Van de Paar

2:20

Concatenate the square of all the digits of a number (2 Solutions!!)

Roel Van de Paar

3:08

Code Review: AI In 2048 Game, Calculations so slow

Roel Van de Paar

6:03

Code Review: A general case of Adding numbers represented by Linked List (4 Solutions!!)

Roel Van de Paar

3:01

Code Review: Pong in Python using Pygame

Roel Van de Paar

3:07

Code Review: Finding Build Order For Packages With Dependencies

Roel Van de Paar

2:51

Code Review: Compressing string in Scala, how to do this immutably? (2 Solutions!!)

Roel Van de Paar

3:13

Benchmarking insertion sort (2 Solutions!!)

Roel Van de Paar

4:10

Method to generate a List<string> containing permutation of an input string (2 Solutions!!)

Roel Van de Paar

3:04

Code Review: LeetCode 200: Number of Islands

Roel Van de Paar

3:01

Smart Tic Tac Toe, a reinforcement learning approach

Roel Van de Paar

2:59

Code Review: LeetCode 483: Smallest Good Base

Roel Van de Paar

3:01

Code Review: Mutual recursion - Naming the opponent serve - pingpong

Roel Van de Paar

3:19

Code Review: Is this the fastest way of testing the primality of a number (2 Solutions!!)

Roel Van de Paar

4:06

Code Review: Dijkstra's implementation in rust (2 Solutions!!)

Roel Van de Paar

2:55

Morse code encoder/decoder with playback ability

Roel Van de Paar

2:16

Code Review: Deque class in Common Lisp

Roel Van de Paar

3:14

Construction and search of Kd-Tree in c++

Roel Van de Paar

3:03

A simple C WinAPI program for terminating processes via process image names - folllow-up 2

Roel Van de Paar

4:09

Code Review: Lazy generator of strings in lexicographical order (3 Solutions!!)

Roel Van de Paar

2:56

Code Review: Javascript - Loop through datastructure

Roel Van de Paar

2:55

wrapper class for random access iterator to hide template method implementation from header file

Roel Van de Paar

3:36

Code Review: Maintaining Maximum Social Distance (2 Solutions!!)

Roel Van de Paar

3:44

Code Review: Active Brownian Motion (2 Solutions!!)

Roel Van de Paar

3:36

Code Review: How to speed up the code for LeetCode "Container with most water" task?

Roel Van de Paar

4:12

Code Review: JSON4 parser in Typescript (2 Solutions!!)

Roel Van de Paar

3:18

FtpEasyTransfer - .NET5 Worker Service for Easy FTP Sync'ing

Roel Van de Paar

3:33

Tic-tac-toe in python with OOP (2 Solutions!!)

Roel Van de Paar

3:51

Code Review: Encryption/Decryption algorithm (2 Solutions!!)

Roel Van de Paar

4:13

Code Review: Filter a Linked List in Place in C (2 Solutions!!)

Roel Van de Paar

3:45

log setup using RotatingFileHandler and basicConfig (2 Solutions!!)

Roel Van de Paar

4:14

Code Review: Two dimensional gaussian image generator in C++ (2 Solutions!!)

Roel Van de Paar

3:02

Code Review: React-based resizable sidebar

Roel Van de Paar

5:16

Code Review: To what degree is my VBA Array size function safe, robust, and performant

Roel Van de Paar

3:06

Code Review: Implementing apply_each for tuple c++

Roel Van de Paar

2:54

Code Review: Enumerating my method to handle any time out issue

Roel Van de Paar

3:09

Code Review: Timer for event throttling

Roel Van de Paar

3:55

Code Review: User-friendly string struct and utility functions (2 Solutions!!)

Roel Van de Paar

3:06

Code Review: Custom implementation to provide an immutable range of a container without copying it

Roel Van de Paar

3:00

Code Review: Retrieve the shared words from files

Roel Van de Paar

2:44

Find combinations of items in a nested collection

Roel Van de Paar

2:58

Code Review: Tool to create aliases for commands

Roel Van de Paar

3:00

Code Review: Inspectors & Deconstruction on Unions in a list

Roel Van de Paar

2:59

Code Review: Parsing positive integers from CSV file Part-2

Roel Van de Paar

3:19

Splitting uppercase letters based on a dictionary (2 Solutions!!)

Roel Van de Paar

2:35

Code Review: Null checking a generic type

Roel Van de Paar

3:15

Code Review: Skeleton for a command-line tool to scan domains for vulnerabilities

Roel Van de Paar

1:54

Code Review: Default access modifier in Java should I always declare it?

Roel Van de Paar

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