rajibdpi

GPG error: http://dl.google.com/linux/mod-pagespeed/deb stable Release: The following signatures were invalid: EXPKEYSIG 78BD65473CB3BD13 Google Inc. (Linux Packages Signing Authority) [email protected] error solve.

I'm checked on Ubuntu/Debian, might be slightly different on others distro.

Open Terminal/SSH Client

sudo nano /etc/apt/sources.list.d/mod-pagespeed.list       
# before: deb http://dl.google.com/linux/mod-pagespeed/deb/ stable main      
# after: #deb http://dl.google.com/linux/mod-pagespeed/deb/ stable main   

rajibdpi

# This is a basic workflow to help you get started with Actions

name: Build, Release app to Github Pages and Firebase Hosting
# name: Test, Build and Release apk
# Controls when the action will run. Triggers the workflow on push or pull request
# events but only for the master branch
on:
  push:
    branches:
      - master

rajibdpi

200 Success
404 Not Found (page or other resource doesn't exist)
401 Not authorized (not logged in)
403 Logged in but access to requested area is forbidden
400 Bad request (something wrong with URL or parameters)
422 Unprocessable Entity (validation failed)
500 General server error

rajibdpi

/**
*
*    Input any number in Bengali and the following function will return the English number.
*
*/

function bn2enNumber ($number){
    $search_array= array("১", "২", "৩", "৪", "৫", "৬", "৭", "৮", "৯", "০");
    $replace_array= array("1", "2", "3", "4", "5", "6", "7", "8", "9", "0");
    $en_number = str_replace($search_array, $replace_array, $number);

rajibdpi

git revert --no-commit 0766c053..HEAD                     
git commit          


This will revert everything from the HEAD back to the commit hash, meaning it will recreate that commit state in the working tree as if every commit after 0766c053 had been walked back. You can then commit the current tree, and it will create a brand new commit essentially equivalent to the commit you "reverted" to.

(The --no-commit flag lets git revert all the commits at once- otherwise you'll be prompted for a message for each commit in the range, littering your history with unnecessary new commits.)

This is a safe and easy way to rollback to a previous state. No history is destroyed, so it can be used for commits that have already been made public.

rajibdpi

4 commands should fix most of the permission issues on laravel.

1. sudo chown -R $USER:www-data storage
2. sudo chown -R $USER:www-data bootstrap/cache
3. chmod -R 775 storage
4. chmod -R 775 bootstrap/cache

rajibdpi

<div class="container">
  <div class="row">
  <div class="col-xs-12">
    <form class="form-main">
      <div class="form-block">
        <div class="form-group">
          Name
        <input type="text" name="name[]" class="form-control">
        </div>
        <div class="form-group">

rajibdpi

System Design Cheatsheet

Picking the right architecture = Picking the right battles + Managing trade-offs

Basic Steps

1. Clarify and agree on the scope of the system

• User cases (description of sequences of events that, taken together, lead to a system doing something useful)
  • Who is going to use it?
  • How are they going to use it?

rajibdpi

[{
        "id": "1",
        "title": "Two Sum",
        "question": "Given an array of integers nums and an integer target, return indices of the two numbers such that they add up to target.\nYou may assume that each input would have exactly one solution, and you may not use the same element twice.\nYou can return the answer in any order.",
        "examples": [
            "Input: nums = [2,7,11,15], target = 9",
            "Output: [0,1]",
            "Output: Because nums[0] + nums[1] == 9, we return [0, 1].",
            "Input: nums = [3,2,4], target = 6",
            "Output: [1,2]",

rajibdpi

<script>
$(function() {
        $('#cityselector').change(function(){
            if($(this).val()=="All"){$('.city').show(); return;}else{$('.city').hide();}
            $('.' + $(this).val()).show();
        });
    });
</script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<div class="row">