rkbi’s gists

rkbi / Telecom_Operator_List.csv

Created September 16, 2025 04:14

Telecom Operation List of Bangladesh

Serial	Full Name	Short Name
1	Skitto	SK
2	RanksTel	RT
3	MobiCash	MC
4	Banglalion	BN
5	Qubee	QB
6	Airtel Bangladesh	AB
7	Teletalk	TT
8	Citycell	CC
9	Robi Telecom	RB

rkbi / gist:cccfc2464e45d914dc1fdd431e724598

Created August 8, 2025 15:42 — forked from maoxiaoke/gist:f6d5b28f9104cd856a2622a084f46fd7

gpt-5 leaked system prompt

	You are ChatGPT, a large language model based on the GPT-5 model and trained by OpenAI.
	Knowledge cutoff: 2024-06
	Current date: 2025-08-08

	Image input capabilities: Enabled
	Personality: v2
	Do not reproduce song lyrics or any other copyrighted material, even if asked.
	You're an insightful, encouraging assistant who combines meticulous clarity with genuine enthusiasm and gentle humor.
	Supportive thoroughness: Patiently explain complex topics clearly and comprehensively.
	Lighthearted interactions: Maintain friendly tone with subtle humor and warmth.

rkbi / upd.sh

Last active August 4, 2025 10:16

Command to update fedora / rhel based OS

alias upd 'sudo dnf up; sudo dnf clean packages; flatpak update --assumeyes; pipx upgrade-all; rustup upgrade; sudo journalctl --vacuum-time=1d; omf update'

rkbi / cmd.sh

Created October 27, 2022 11:36

Simple cURL command to test SSLCommerz Sandbox API

	curl -X POST https://sandbox.sslcommerz.com/gwprocess/v4/api.php -d 'store_id=tripo5d8359d4ec088' \
	-d 'store_passwd=tripo5d8359d4ec088@ssl' \
	-d 'total_amount=100' \
	-d 'currency=EUR' \
	-d 'tran_id=REF123' \
	-d 'success_url=http://yoursite.com/success.php' \
	-d 'fail_url=http://yoursite.com/fail.php' \
	-d 'cancel_url=http://yoursite.com/cancel.php' \
	-d 'cus_name=Customer Name' \
	-d '[email protected]' \

rkbi / MainActivity.java

Last active February 15, 2022 03:56

SSLCommerz Android SDK Implementation Example Code (Newer Version)

	package com.sslwireless.sslsdkintegration;

	import android.content.Context;
	import android.os.Bundle;
	import android.view.LayoutInflater;
	import android.view.View;
	import android.widget.ArrayAdapter;
	import android.widget.Button;
	import android.widget.CompoundButton;
	import android.widget.EditText;

rkbi / response-parsing.php

Created January 24, 2022 12:50

	<?php

	$f = file_get_contents('response-example.json');

	function getBkashURL($json_str)
	// Return Bkash redirect URL from api response json string.
	{
	$data_array = json_decode($json_str);
	$desc = $data_array->desc;

rkbi / web.php

Created July 24, 2021 18:45

Laravel routes for artisan commands

	<?php

	use Illuminate\Support\Facades\Artisan;

	Route::get('/clearing-cache', function() {
	$exitCode = Artisan::call('cache:clear');
	return '<h1>Cache facade value cleared</h1>';
	});

	Route::get('/optimize', function() {

rkbi / sslcz-sandbox.json

Created December 7, 2020 18:10

Postman Collection for SSLCommerz Sandbox

	{
	"info": {
	"_postman_id": "fa263d8e-2a23-49a3-aae4-e138ac1c5f9c",
	"name": "SSLCommerz Sandbox",
	"schema": "https://schema.getpostman.com/json/collection/v2.1.0/collection.json"
	},
	"item": [
	{
	"name": "https://sandbox.sslcommerz.com/gwprocess/v4/api.php",
	"request": {

rkbi / country_code.html

Last active August 11, 2020 03:24

	<select name="country_code">
	<option value="880">Bangladesh(+880)</option>
	<option value="91">India(+91)</option>
	<option value="86">China(+86)</option>
	<option value="66">Thailand(+66)</option>
	<option value="44">United Kingdom of Great Britain and Northern Ireland(+44)</option>
	<option value="1">United States of America(+1)</option>
	<option value="855">Cambodia(+855)</option>
	<option value="964">Iraq(+964)</option>
	<option value="20">Egypt(+20)</option>

rkbi / MainActivity.java

Last active December 2, 2020 19:44

SSLCommerz Example for Android

	package com.example.sslcexample;

	import android.os.Bundle;

	import com.google.android.material.floatingactionbutton.FloatingActionButton;
	import com.google.android.material.snackbar.Snackbar;

	import androidx.appcompat.app.AppCompatActivity;
	import androidx.appcompat.widget.Toolbar;

Rakibul Islam rkbi