HTTP is indispensable as a mediator between the browser and web server: Both communicate with each other using the transmission protocol on the application layer by sending various types of messages. With an HTTP request, for example, the browser can request a resource or return its own data to the server. If one of these HTTP methods doesn’t work, error 405 (Method Not Allowed) occurs. But what...
When a website is visited, the server generates a session ID and assigns it to the user. This session ID is temporarily created by the server and assigned to the user for a during their active session to identify the user and their data exchanges throughout the session.
Conventional systems in which the front end and the database run on the same machine are a thing of the past and ever more providers are choosing cloud-based systems instead. These systems come with their own challenges, such as how to handle small components and transport data as securely as possible. One promising solution in this field is etcd, a key-value store. Read on to find out more about...
The error message “Err_Connection_Timed_Out” appears frequently on Google Chrome and means that an error has occurred when trying to access a webpage. This is usually caused by the target server taking too long to send a reply, which results in the browser terminating the communication attempt. Find out in our guide what “Err_Connection_Timed_Out” means, what measures you can take to correct the...
Anyone who encounters personalized advertising on the internet might at first find it odd. How does the internet know that I am interested in going on vacation? Most users leave clear footprints on the net that can be used to create virtual “user profiles”. Third party cookies placed by advertisers are responsible for this. But how do they work, can you have a say in the use of cookies, and what...
If you’re looking for a powerful open-source solution for in-memory data storage, you’ll almost certainly find yourself asking “Memcached or Redis”? The two databases have a lot in common, but there are some fundamental differences too. Read on to find out which system best meets your requirements.
Memcached is a cache server whose function is to store and quickly retrieve data from memory. This popular open-source solution is well-suited to support demanding web applications since its response times are just a few milliseconds. In this article, you will learn how Memcached works and what advantages and disadvantages it has.
Shared hosting offers are very popular with many users because of their affordability. But the benefit of loaning resources and sharing hardware with other users can also cause problems, particularly if one of more of the hosted applications puts too much of a strain on performance. What exactly is the ‘noisy neighbor’ effect and how can providers and private hosts avoid this issue in cloud...
“Data is the new oil!”. So when it comes to online businesses, loss of data means loss of capital. Important and sensitive data should be backed up at regular intervals. Thanks to free programs such as MySQLDumper you can create MySQL database backups in minutes! Once installed, you can use the software to automatize and administer backups.
Are you familiar with the file transfer protocol also known as FTP? Those who answered this question negatively are advised to learn more about FTP by reading this guide. FTP immensely eases the task of transferring data over the internet. FTP servers are an especially wise choice when faced with the job of transferring large volumes of data. Transferring files to servers for exchange requires a...
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