June 17, 2019 in Tips and Tricks, Ubuntu
Your problem is related to the probable fact of having only 1gb of RAM and not having memory swap, so let’s create and enable it to take some time off at the time of composer execution. Folow this steps: 1) Creating 1gb memory swapfile: $ sudo fallocate -l 1G /swapfile $ sudo dd if=/dev/zero of=/swapfile bs=1024 count=1048576 This command […]
June 15, 2019 in Tips and Tricks
1. Redirect All Web Traffic If you have existing code in your .htaccess, add the following: RewriteEngine On RewriteCond %{SERVER_PORT} 80 RewriteRule ^(.*)$ https://www.yourdomain.com/$1 [R,L] 2. Redirect Only a Specific Domain For redirecting a specific domain to use HTTPS, add the following: RewriteEngine On RewriteCond %{HTTP_HOST} ^yourdomain\.com [NC] RewriteCond %{SERVER_PORT} 80 RewriteRule ^(.*)$ https://www.yourdomain.com/$1 [R,L] […]
June 11, 2019 in Learning, MySql, Tips and Tricks
It really depends on what you mean by network programming. So I’ll run through a couple possibilities. Commentators: Don’t fret if I forgot “your language.” The question is so open-ended. It’s like asking ‘What kinds of vehicles are good for getting me from New York City to Boston?’ You want to write a program that […]
June 11, 2019 in Learning, MySql, Tips and Tricks
1. C and C++ C and C++ are critical low-level programming languages that you need to know as a cyber security professional. These languages provide access to low-level IT infrastructure such as RAM and system processes, which if not well protected, hackers can easily exploit. The C programming language is the backbone of most operating systems. […]
June 10, 2019 in Tips and Tricks
Step 1) Browser sends hello message to Node.js server using Websocket. Step 2) Node.js server generates a unique identifier and sends to browser using Websocket. Then browser generates a QR code using unique identifier and shows to user. Step 3) User login to the mobile app using Facebook authentication. Step 4) After the successful authentication, user scans the QR […]
May 17, 2019 in Tips and Tricks
OLD CODE function __autoload($class) { if (file_exists(APPPATH.”core/”.$class.’.php’)) { include_once(APPPATH.”core/”.$class.’.php’); } } NEW CODE spl_autoload_register(function($class) { if (file_exists(APPPATH.”core/”.$class.’.php’)) { include_once(APPPATH.”core/”.$class.’.php’); } });
May 17, 2019 in Learning, Tips and Tricks
We know that the SSL-certificates can be divided into three types: DV, OV and EV. In this article, we will focus on the first two types of certificates, DV and OV. We will explain how they differ and when you should choose DV over OV. DV-certificates (Domain Validation). This is the most basic level of […]
May 15, 2019 in News, Tips and Tricks
What to change in the examples below? The examples below can be entered into your .htaccess file exactly as shown. Just make sure to adjust the actual path to the file so the .htaccess file knows where it’s located. Also, if you see the domain ‘example.com’, change this to your own domain name. Redirecting a URL […]
May 8, 2019 in Tips and Tricks
You dont assign a domain to a node.js server, instead you load your app onto a machine which has an ip adress, which in your case is 42.12.251.830:4000. You then need to make sure your app is listening on the correct port, which on most servers is 80 using express it’s as simple as var app = express() , server = […]
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