About OTC CatchUp
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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 #105
Date: 12-11-2022
Duration: 4 hrs 10 mins
Topics Discussed
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OTC CatchUp completes 2 years 🥳
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Dhiraj Chauhan shared his experience as a panelist in the discussions at HackTheLeague conducted in Mumbai.
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He also pointed out how many discussions tend to avoid talking about failures.
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Failures could be a great learning experience and should be discussed.
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Prathik Shetty shared a tweet referencing this talk.
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Anushka Bhagchandani, Dheeraj Lalwani and Pranav Dani talked about Twitter’s current situation and how not addressing them is having catastrophic effects on the stock market for companies due to scams.
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The policy of paying $8 for account verification leads to "Blue tick scams" where fake replicas of accounts tweeting wrong information dwindle the company’s reputation and stock value.
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This issue creates obscurity in who one is supposedly following.
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The Accessibility team was fired along with many other important teams.
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Chiranjeev Srivastava shared his experiences with communities and how he wants to create a precedent for students in Lucknow.
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We talked about how signing bonds for companies might be illegal.
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Chiranjeev Srivastava shared that he was placed at his company with a training period of 3 months and hasn’t been asked to sign a bond yet.
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He also talked about how he feels that metros seem to be more privileged in terms of opportunities.
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While location can provide some benefits initially, skills tend to overpower the parameter of location over a longer period.
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Tushar Nankani talked about how "connections" as a term while talking about meetups feels a bit artificial since it should be a byproduct of getting to know a person as a "friend".
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Although LinkedIn is a platform for connections, it skimps on the part of creating friends.
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We talked about how one could access Twitter to learn something new.
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Reference: Summary from the last CatchUp.
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We discussed the feature of announcement channels introduced in WhatsApp and issues that could be potentially worked upon.
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It links multiple groups together and doesn’t provide the feature of keeping private groups which could be useful for admins.
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Telegram currently provides a feature to integrate APIs with bots which are helpful for the automation of regular tasks.
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WhatsApp web and the desktop app for windows feel incomplete with many broken and unpolished features.
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Jaden Furtadotalked about his experience around CTF embedded security
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His team stood eighth in the competition. Link to the tweet.
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He also shared some interesting questions that were asked in the test.
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Questions had embedded passwords in some form.
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Some had passwords embedded in MP3 waveform which he deciphered using Audacity.
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Some passwords were reverse-engineered in the executable file.
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Some were also hidden under a seemingly innocuous executable file which was deciphered using the file command.
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He shared a telnet-based problem, where the username was supposed to be sent as a request to the open port which he sent using flask.
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Pranav Dani shared a Telnet command for Star Wars in cmd.
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Chiranjeev Srivastava shared a similar type of competition that was conducted at his college where the student had to guess the code using output.
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No test case was provided.
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Input and output is the only thing provided, based on which the student had to guess the code.
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Sample file for the same.
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Darshan Rander shared his a [blog](https://blog.darshanrander.com/posts/diary/otc-and-me/) where he wrote about his experience and learning with OTC.
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Chiranjeev Srivastava talked about an accident detection and prevention system based on OpenCV for his IoT project.
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Saket Thota talked about his BE project where he wanted to decide to scale his projects.
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He thought of using AWS for React and Deep learning projects.
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Pranav Dani suggested that scaling should start when the number of users increases beyond the capacity of the free tier for any hosting platform.
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Jaden Furtadosuggested writing it in the form of microservices and making each of the services asynchronous.
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Pranav Dani suggested thodinproject.com to Chiranjeev Srivastava for learning react and web development.
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We talked about the effects of the recession in India based on its dependence on countries.
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Pranav Dani shared how uploading an mp4 or mkv video format file takes a long time to upload on google drive, whereas uploading the same file with a random renamed extension takes very less time.
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Jaden Furtadosuggested that this was a case of mime file type where google avoids further scanning of the file and Hardik suggested that it just adds it to the drive without bothering about its playability.
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Jaden Furtadoexplained the process of data transmission over the network and how anomaly or noise is expected in such transmissions since one cannot send complete data over the air.
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He talked about the journey of electric waves where multiple data streams are combined into a Fourier transform and then smashed into a single sine wave stream and sent over the network.
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PDF file format was discussed and he said that most PDF tools do not follow this structure.
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Projects Showcased
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Jaden Furtadoshowcased his project Static Analysis which identifies and records vulnerabilities in the code on GitHub or GitLab.
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It was built with scaling in mind.
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He used celery for task queueing and processing sequentially.
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Meet Screenshot
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For all summaries, please visit catchup.ourtech.community/summary. |
We rise by lifting others.
Kindness always wins.
Alone we can do so little; together we can do so much.