how to find who has hacked my computer?

 how to find who has hacked my computer?

https://www.bleepingcomputer.com/tutorials/tracing-a-hacker/

Best Free Web Hosting Sites

Best Free Web Hosting Sites

https://hostingcanada.org/best-free-web-host/

How to find all the files containing the string 'abc' in the current directory and all the sub-directories

How to find all the files containing the string 'abc' in the current directory and all the sub-directories?

find . -type f | xargs fgrep '...'

CSS for 5 Typical Media Query Break Points (Device Screen Sizes)

CSS for 5 Typical Media Query Break Points (Device Screen Sizes)

<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<style>

/* Typical device breakpoints - 5 groups */

/* Extra small devices (phones, 600px and down) */
@media only screen and (max-width: 600px) {
  [class*="col-"] {width: 100%; }
}

/* Small devices (portrait tablets and large phones, 600px and up) */
@media only screen and (min-width: 600px) {
  .col-min600-1 {width: 8.33%;}
  .col-min600-2 {width: 16.66%;}
  .col-min600-3 {width: 25%;}
  .col-min600-4 {width: 33.33%;}
  .col-min600-5 {width: 41.66%;}
  .col-min600-6 {width: 50%;}
  .col-min600-7 {width: 58.33%;}
  .col-min600-8 {width: 66.66%;}
  .col-min600-9 {width: 75%;}
  .col-min600-10 {width: 83.33%;}
  .col-min600-11 {width: 91.66%;}
  .col-min600-12 {width: 100%;}
}

/* Medium devices (landscape tablets, 768px and up) */
@media only screen and (min-width: 768px) {
  .col-min768-1 {width: 8.33%;}
  .col-min768-2 {width: 16.66%;}
  .col-min768-3 {width: 25%;}
  .col-min768-4 {width: 33.33%;}
  .col-min768-5 {width: 41.66%;}
  .col-min768-6 {width: 50%;}
  .col-min768-7 {width: 58.33%;}
  .col-min768-8 {width: 66.66%;}
  .col-min768-9 {width: 75%;}
  .col-min768-10 {width: 83.33%;}
  .col-min768-11 {width: 91.66%;}
  .col-min768-12 {width: 100%;}
}

/* Large devices (laptops/desktops, 992px and up) */
@media only screen and (min-width: 992px) {
  .col-min992-1 {width: 8.33%;}
  .col-min992-2 {width: 16.66%;}
  .col-min992-3 {width: 25%;}
  .col-min992-4 {width: 33.33%;}
  .col-min992-5 {width: 41.66%;}
  .col-min992-6 {width: 50%;}
  .col-min992-7 {width: 58.33%;}
  .col-min992-8 {width: 66.66%;}
  .col-min992-9 {width: 75%;}
  .col-min992-10 {width: 83.33%;}
  .col-min992-11 {width: 91.66%;}
  .col-min992-12 {width: 100%;}
}

/* Extra large devices (large laptops and desktops, 1200px and up) */
@media only screen and (min-width: 1200px) {
  .col-min1200-1 {width: 8.33%;}
  .col-min1200-2 {width: 16.66%;}
  .col-min1200-3 {width: 25%;}
  .col-min1200-4 {width: 33.33%;}
  .col-min1200-5 {width: 41.66%;}
  .col-min1200-6 {width: 50%;}
  .col-min1200-7 {width: 58.33%;}
  .col-min1200-8 {width: 66.66%;}
  .col-min1200-9 {width: 75%;}
  .col-min1200-10 {width: 83.33%;}
  .col-min1200-11 {width: 91.66%;}
  .col-min1200-12 {width: 100%;}
}

</style>
</head>

<body>

</body>

</html>

Working with Django Templates & Static Files

https://www.digitalocean.com/community/tutorials/working-with-django-templates-static-files

 

How to obtain same effect as 'less' in Linux in mysql?

 How to obtain same effect as 'less' in Linux in mysql?

i.e. the output display stops at the first screen, before you can move the output in vi way.

$pager less

$select * from table;

Furthermore, use -

$pager less

$select * from table\G

so that fields are displayed from up to down, instead of from left to right.

On Ubuntu, Creating Virtual Environments

On Ubuntu, creating Virtual Environments

https://packaging.python.org/tutorials/installing-packages/#creating-and-using-virtual-environments

python3 -m venv <DIR>
source <DIR>/bin/activate

 '<DIR>' is actually your site name, e.g. 'mysite'.