PHP 7 is available, let’s upgrade with this PHP7 upgrade step-by-step tutorial.

If you get Fatal error js allocation failed - process out of memory when processing large datasets on NodeJS, you should increase memory limit. Learn how to.

Ever wondered how to use nano instead of vi when editing crontab file?

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sudo env EDITOR=nano crontab -e

Third article in our series (check the first one, the second one), now let’s install NodeJS (0.10, 0.12, 4 or 5) and PM2 on our server.

This is the second post on Centos 7 setup. In the previous article we hardened ssh and created new users. Today we will install LAMP on Centos 7 and latest PHP 5.6 with all necessary extensions.

In this series of articles we will prepare our newly installed Centos 7 for web development: create new user, setup private/public key authentication, disable root access, disable password authentication, enable firewall and file2ban and setup time synchronization. Then we will install LAMP and NodeJS.

PhantomJS (like any modern web browser) is known to consume a lot of memory. Even if it can’t be fixed completely, there are some workarounds to decrease memory usage.

We’ll be using CasperJS, but tips will work equally well with plain PhantomJS or SlimerJS.

Today when running query Mysql returned strange error:

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Can't create/write to file '/tmp/#sql_2d8_1.MYI' (Errcode: 2)

Here is how to fix it.

In this php tutorial I’ll show how to use Amazon API, get ASIN by url and get price of product using Amazon Advertising API with PHP.

This tutorial explains how to implement simple moving window (rolling counter) in NodeJS and Redis. We will use sorted sets to count every request and then will show another approach.
We will count number of hits made in 24 hours. You can easily modify it to show weekly and monthly statistics.