Skip to main content

Making vanilla web-fontend (project with lit, web component) secured (discussions with chatGpt)

Query: I wn complete seperate .css/.scss and .html template file for my webcomponent.js like in angular. But with complete security. In lit. Use any js lib like domPurify, etc. But I wan complete safety. How? ChatGPT said: Thought for 16s Totally doable. Here’s a secure Lit setup with fully separate .html + .scss files , sanitized with DOMPurify , and rendered into the Shadow DOM without sacrificing performance. Folder layout src / lib/ safe- html .js components/ app-shell .html app-shell .scss app-shell .js 1) Install deps npm i dompurify npm i -D sass Vite will compile .scss . We’ll import the compiled CSS as text and attach it via adoptedStyleSheets (fast + memory-friendly). 2) app-shell.html (pure template file) Put your Carbon UI Shell markup here (no scripts). Example stub: < cds-header aria-label = "My App" > < cds-header-name prefix = "IBM" >[Platform] </ cds-header-name > < cds-header-glo...
Post a Comment

Inert gas in Earth's atmosphere: Discussion with chatGpt

Query:
Neon gas is a inert gas. And in tubelight mostly they fill in this gas. But is this gas so much available in earth atmosphere so that it can fill so many tubelights?
ChatGPT said:

Great question! You're absolutely right—neon is a noble (inert) gas, and it's indeed used in certain types of gas-discharge lighting, especially "neon lights" (the bright red-orange ones you often see in signs). However, neon is not the gas typically used in regular household or office tube lights, like fluorescent lamps.

Let's clear up a few points:

1. Which gas is used in tubelights (fluorescent lamps)?

In standard tubelights (fluorescent lamps), the tube is usually filled with:

  • Argon gas (or sometimes a mix of argon and a bit of krypton),

  • Plus a small amount of mercury vapor.

When electricity excites the mercury vapor, it emits ultraviolet (UV) light, which hits the phosphor coating inside the tube, causing it to glow in visible light.

So: Neon is not typically used in fluorescent tubelights.

2. Is neon abundant in Earth’s atmosphere?

  • No, it's quite rare.

  • Neon makes up about 0.0018% (by volume) of the Earth's atmosphere.

  • That’s 18 parts per million, which is much less than argon (~0.93%).

3. How do we get neon for neon signs?

Neon is extracted through the fractional distillation of liquid air, just like oxygen, nitrogen, argon, and other atmospheric gases. Even though it’s rare, air is free and plentiful, so industrial plants that produce oxygen and nitrogen as primary products can also extract neon efficiently, though in smaller quantities.

Summary:

  • Tubelights use argon and mercury, not neon.

  • Neon is rare in the atmosphere, but can still be harvested in useful amounts via air separation.

Would you like a diagram comparing gases in the atmosphere and their uses in lighting?

You said:
Ok, so argon n krypton are also inert gas (Elements). Are they enough available?
ChatGPT said:

Yes, argon and krypton are also inert (noble) gases, and while both are rare compared to nitrogen or oxygen, they are available in enough quantities for industrial and commercial use, including in lighting like tubelights.

Here’s a breakdown:

🧪 Argon (Ar):

  • Abundance in air: About 0.93% by volume.

  • That’s 9,300 parts per million (ppm) — very abundant among noble gases.

  • It’s the third most common gas in Earth's atmosphere after nitrogen and oxygen.

  • Common uses:

    • Filling gas in fluorescent lights, incandescent bulbs, and some lasers.

    • Used in welding as a shielding gas.

    • Used in high-purity environments (e.g., electronics manufacturing).

✅ Conclusion: Argon is easily available and inexpensive to extract.

🧪 Krypton (Kr):

  • Abundance in air: About 1 part per million (ppm).

  • Much rarer than argon, but still extractable via fractional distillation of air.

  • Common uses:

    • In high-performance lighting (e.g., some halogen lamps).

    • In insulated windows (as a thermal insulator).

    • In scientific and medical equipment.

✅ Conclusion: Krypton is rarer, but used in small quantities, so supply is generally sufficient for its niche applications.

🌍 Summary Table:

Noble Gas% in AtmosphereAvailabilityCommon Uses
Argon0.93%HighLights, welding, insulation
Krypton~0.0001% (1 ppm)ModerateSpecial lighting, insulation
Neon~0.0018%LowNeon signs

Comments

Post a Comment

If you have any doubts, please let me know.

Popular posts from this blog

Ubuntu Notes: Set up autossh as systemd useful-reminder commands

 sudo vim /etc/systemd/system/permanentAutossh.service ======================================== [Unit] Description=Keeps a tunnel to myOciFreeNat open After=network-online.target [Service] User=<username> Environment="AUTOSSH_GATETIME=0" ExecStart=/usr/bin/autossh -M 0 -q -N -o "ServerAliveInterval 60" -o "ServerAliveCountMax 3" -L 4322:127.0.0.1:5432 -i /<ssh_private_key_file_absolute_path> <username>@<ip_address> -p 22 [Install] WantedBy=multi-user.target ======================================== sudo systemctl daemon-reload sudo systemctl enable permanentAutossh sudo systemctl start permanentAutossh ================== sudo systemctl daemon-reload sudo systemctl restart permanentAutossh sudo systemctl status permanentAutossh ====================== sudo systemctl stop permanentAutossh sudo systemctl disable permanentAutossh sudo rm /etc/systemd/system/permanentAutossh.service
Post a Comment
Read more

C/C++ Postgres libpq execute query with params chatGpt example

PGresult *PQexecParams(PGconn *conn, const char *command, int nParams, const Oid *paramTypes, const char * const *paramValues, const int *paramLengths, const int *paramFormats, int resultFormat); give example ChatGPT said: ChatGPT Here’s a basic example demonstrating how to use PQexecParams in C++ to execute a parameterized query in PostgreSQL. Example: Inserting Data Using PQexecParams Let's assume we are inserting a row into a table called users with the following columns: id (integer) name (text) age (integer) cpp Copy code # include <iostream> # include <libpq-fe.h> # include <memory> # include <string> void checkResult (PGresult* res, PGconn* conn) { if ( PQresultStatus (res) != PGRES_COMMAND_OK) { std::cerr << "Execution failed: " << PQerrorMe...
Post a Comment
Read more

syslog cpp programming: learning using chatGcp

  Introduction to Syslog C++ August 27, 2024 This conversation may reflect the link creator’s personalized data, which isn’t shared and can meaningfully change how the model responds. You said: I am new to syslog in cpp programming n just starting. Can you teach me ChatGPT said: ChatGPT Sure! syslog is a standard for logging system messages in Unix-like operating systems. It provides a way to send log messages to the system log, which can then be collected and analyzed by various tools. Here's a basic guide to get you started with syslog in C++: 1. Include the Necessary Header To use syslog , you need to include the syslog.h header: cpp Copy code # include <syslog.h> 2. Open the Connection to syslog Before sending log messages, you need to open a connection to the syslog system. This is typically done at the start of your program: cpp Copy code openlog ( "your_program_name" , LOG_PID | LOG_CONS, LOG_USER); "your_program_name" : A string representing ...
Post a Comment
Read more