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[@roelvandepaar](/creator/youtube/roelvandepaar)
"Check if a table item doesn't exist. How to check returned 'Items' array if empty"  
[YouTube Link](https://youtube.com/watch?v=v5534kfWYNQ) [@roelvandepaar](/creator/youtube/roelvandepaar) 2025-10-26T12:58Z 200K followers, XX engagements


"'number' only refers to a type but is being used as a value here.ts(2693) (2 Solutions)"  
[YouTube Link](https://youtube.com/watch?v=3Jw5j44PC2w) [@RoelVandePaar](/creator/youtube/RoelVandePaar) 2025-10-23T09:00Z 200K followers, XXX engagements


"Solution for error "Error in .jcall("RJavaTools" "Ljava/lang/Object;" "invokeMethod" cl"  
[YouTube Link](https://youtube.com/watch?v=5qGskRQxohY) [@RoelVandePaar](/creator/youtube/RoelVandePaar) 2025-10-24T05:38Z 200K followers, XXX engagements


"react-create-app - get error about browserslist error (2 Solutions)"  
[YouTube Link](https://youtube.com/watch?v=6g6PWO27ECo) [@RoelVandePaar](/creator/youtube/RoelVandePaar) 2025-10-25T17:00Z 200K followers, XXX engagements


"Maximize the sum of GCDs (Greatest Common Divisors) of a bipartition"  
[YouTube Link](https://youtube.com/watch?v=EMvuhNR_lE4) [@roelvandepaar](/creator/youtube/roelvandepaar) 2025-10-25T05:36Z 200K followers, XXX engagements


"Wordpress: WordPress V2 REST-API: Endpoints 404"  
[YouTube Link](https://youtube.com/watch?v=HJgTZO9lu0o) [@roelvandepaar](/creator/youtube/roelvandepaar) 2020-11-12T12:34Z 200K followers, XX engagements


"How to click on an element with aria-hidden="true" using Selenium (3 Solutions)"  
[YouTube Link](https://youtube.com/watch?v=VzXlwPM78RI) [@roelvandepaar](/creator/youtube/roelvandepaar) 2025-10-26T03:30Z 200K followers, XXX engagements


"How to set bridge interface in eth0 and ath0"  
[YouTube Link](https://youtube.com/watch?v=WE9IV9GXbCU) [@RoelVandePaar](/creator/youtube/RoelVandePaar) 2020-10-30T12:23Z 200K followers, XX engagements


"Vue JS typescript component cannot find inject instance properties (4 Solutions)"  
[YouTube Link](https://youtube.com/watch?v=XhzWxCnMQFk) [@roelvandepaar](/creator/youtube/roelvandepaar) 2025-10-16T06:41Z 200K followers, XXX engagements


"GIS: Troubleshooting Packaging Error of General function failure (3 Solutions)"  
[YouTube Link](https://youtube.com/watch?v=cKHo1A_MmwI) [@roelvandepaar](/creator/youtube/roelvandepaar) 2021-12-01T13:29Z 200K followers, 2044 engagements


"Grok Issue with Multiple IP's in NginX Logstash (2 Solutions)"  
[YouTube Link](https://youtube.com/watch?v=ihxTg5A2F0g) [@roelvandepaar](/creator/youtube/roelvandepaar) 2021-01-24T15:00Z 200K followers, XX engagements


"My API Key is undefined even though it's in an .env file and a global var (4 Solutions)"  
[YouTube Link](https://youtube.com/watch?v=tCm3jxym1FM) [@roelvandepaar](/creator/youtube/roelvandepaar) 2025-10-23T20:55Z 200K followers, XXX engagements


"Carthage on macOS XXXXX Catalina (3 Solutions)"  
[YouTube Link](https://youtube.com/watch?v=vz1qybgVS7U) [@roelvandepaar](/creator/youtube/roelvandepaar) 2025-10-24T17:15Z 200K followers, XXX engagements


"GIS: Avoiding General function failure and deleting table field in ArcGIS Desktop (3 Solutions)"  
[YouTube Link](https://youtube.com/watch?v=xLku3OHA4dk) [@roelvandepaar](/creator/youtube/roelvandepaar) 2021-11-22T11:33Z 200K followers, XXX engagements


"Is it possible to get "NT AUTHORITYNETWORK SERVICE" user independent of language (2 Solutions)"  
[YouTube Link](https://youtube.com/watch?v=0drvbvKwiDY) [@roelvandepaar](/creator/youtube/roelvandepaar) 2025-10-22T10:30Z 200K followers, XXX engagements


"What are memory mapped file s describe with a simple example"  
[YouTube Link](https://youtube.com/watch?v=WHIchzKtjWY) [@roelvandepaar](/creator/youtube/roelvandepaar) 2021-03-02T18:15Z 200K followers, XX engagements


"Rufus can't see my Kali .ISO (2 Solutions)"  
[YouTube Link](https://youtube.com/watch?v=XVW5C4wDOM0) [@roelvandepaar](/creator/youtube/roelvandepaar) 2021-07-27T18:22Z 200K followers, XX engagements


"Use jQuery to find the previous sibling element (3 Solutions)"  
[YouTube Link](https://youtube.com/watch?v=hZLR2f2euwg) [@RoelVandePaar](/creator/youtube/RoelVandePaar) 2025-10-20T21:02Z 200K followers, XXX engagements


"OpenGL shader language; how to specify precision for vec4"  
[YouTube Link](https://youtube.com/watch?v=vOnCjGvXtcI) [@roelvandepaar](/creator/youtube/roelvandepaar) 2025-10-22T20:41Z 200K followers, XXX engagements