About OTC CatchUp
OTC CatchUps are weekly informal sessions involving project showcases and technical discussions. They are held every Saturday from 10:30 PM IST. Join in!. For all summaries, please visit catchup.ourtech.community/summary. |
OTC CatchUp #159
Date: 25-11-2023
Duration: 3 hrs 57 mins
Topics Discussed
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Harsh Kapadia shared an Instagram Reel on how we need to use conformation bias to look at things positively rather than negatively.
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Harsh Kapadia talked about Urchin Tracking Module (UTM) Parameters.
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Harsh Kapadia shared a list of the top 500 Supercomuters.
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Mohit Gangwani talked about display panel technologies TN, IPS and VA.
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We talked about Display Port vs HDMI.
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DisplayPort Guide: What it is, its history and a comparison with HDMI
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Mohit Gangwani shared Just bought a 240hz monitor. Why is 120hz the highest refresh rate?
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Harsh Khatri added that Display Chaining can be done with Display Ports, but not with HDMI.
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Industrial communication protocols
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Jaden Furtado talked about how the Modbus protocol that is used for comunication between industrial electornic devices in industries like prower plants.
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Modbus is also used to talk to Programmable Logic Controllers (PLCs), which are industrial computer control systems that continuously monitor the state of input devices and make decisions based upon a custom program to control the state of output devices.
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He also introduced us to IEC 61850, which is an international standard defining communication protocols for intelligent electronic devices at electrical substations.
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On being asked about the requirement of different protocols over the usual TCP/IP stack protocols, Jaden replied that these protocols all emerged very early on and the TCP/IP stack might not be the best for abolute real-time and time-critical systems.
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Kartik Soneji talked about how helpful Text Fragments are, as they help with highlighting the most important parts of a web page.
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Harsh Kapadia shared The high-stakes war on AdBlockers in reference to Google confirming that they will disable uBlock Origin in Chrome in 2024.
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Harsh Kapadia mentioned that Wireguard can be used to create one’s own Virtual Private Network (VPN).
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AMD Threadripper
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Adventures at AMD: Origin of Threadripper (ft. Anil Harwani!)
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New AMD Threadripper 7980X, 7970X, 7960X, & Threadripper Pro CPUs Announced
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Crazy Efficient: AMD Threadripper 7980X & 7970X CPU Review & Benchmarks
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AMD High End Desktop is back: 7980X & 7970X Threadripper Tested
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AMD Threadripper Motherboards are Insane: TRX50 & WRX90 Board Round-Up
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Kartik Soneji told us about OpenStack, a set of open source software components that provide common services for cloud infrastructure and about LocalStack, a service that allows local simulation, development and testing of Cloud services before actual infrastructure deployment on the Cloud.
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We talked about Internationalis(z)ing Code.
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Kartik Soneji told us Why You Can’t Name A File CON In Windows.
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Kartik Soneji explained the differences and intricacies between Hard Links and Soft/Symbolic Links (Symlinks).
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Kartik talked about how Symlinks can help with Semantically Versioned files, as a single file name can be used to refer to a constantly changing original file.
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Symlinking also helps reduce the number of copies of a particular file, so it doesn’t have to be copied or maintained in every location if the file is changed.
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Kartik told us to remember that symlinks can be an issue that cause run-time errors and missing dynamically-linked library errors, due to broken symlinks.
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We all were surprised to learn from Kartik Soneji that the
touch
command in Linux that most people use to create a new file is actually used to change file access and modification timestamps to the current system timestamp!touch
just creates new file if the file didn’t already exist! -
We talked about Dithering and Anti-Aliasing.
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Kartik Soneji poked fun at Harsh Kapadia for forgetting that a
NULL
character is represented by0x00
and not0x0A
(which represents a Line Feed character). -
We talked about CPU bound vs I/O bound tasks.
Projects Discussed
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Harsh Kapadia shared his experimentation with Badger 2040, where he wrote small scripts to display profiles and marquee names across the screen.
Attendees
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Bhavesh Kukreja
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Harsh Khatri
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Hiten Gerella
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Nisarg Thakkar
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Raghav Rathi
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Sanam Bhatia
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Sarvesh Yogi
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Shubham Yadav
Meet Screenshot
For all summaries, please visit catchup.ourtech.community/summary. |
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