9 results for: deletion
Hashmap: hashing, collisions and first functions
Today we are going to study some concepts closely related to hashmaps. The concepts we are going to see are hashing and collisions. Hashing The idea of hashing with chaining is to create a sort of array of lists, into which the elements are somehow inserted. We need to map the keys to…
Category : C language 28-06-2020 by Alessio Mungelli
Hashmap: Overflow Lists
In this short series of articles we will go to see how it is possible to create the Hashmap data structure in C. In the implementation we're going to use the doubly concatenated lists as auxiliary data structures. Let's look at a possible implementation. Header file Let's first have a look to what…
Category : C language 18-06-2020 by Alessio Mungelli
Data structures in Java - Linked Lists
With 2020 we are going to look at a new aspect of programming: data structures. It is often the case that everyone uses structures provided by the various programming languages. The objective will be to have a general idea of how they work and their internal mechanisms. Often we will…
Category : Java 22-10-2020 by Alessio Mungelli
What is a Cryptophone and how it works
The so-called cryptophones, are anti-interception smartphones as they use encryption methods to protect all communication systems. Here are all the details and the truth about these "unassailable" phones. The recent Encrochat affair, recently investigated for illegal activities, has brought to light the so-called cryptophones. They are smartphones - legal in themselves -…
Category : Security 11-09-2020 by Silvia Mazzetta
Features you will get in EaseUS data recovery software
The EaseUS Data Recovery Software is data recovery software helps users in the data recovery process. There are paid and free software versions for MacOS and Windows. When the data is removed from the storage devices, references to data are removed from the directory structure. This space can be used…
Category : Software 25-06-2019 by Janeth Kent
How to install Letsencrypt Certificates with Certbot in Ubuntu
In this article we will explain how to install, manage and configure the SSL Security certificate, Let's Encypt in NGINX server used as proxy. This certificate is free but does not offer any guarantee and has to be renewed every 3 months. We recommend that users with shell access use the…
Category : Servers 09-05-2020 by Janeth Kent
How to Install Syncthing on Ubuntu 16.04
This tutorial shows how to install Syncthing on Ubuntu 16.04 Desktop LTS Xenial Xerus. Syncthing is a free continuous file synchronization tool that lets you synchronize your files across desktops, tablets, mobile phones or even servers. It’s an open source alternative to the popular BitTorrent Sync (aka btsync) application. The creation,…
Category : Networking 17-02-2017 by Janeth Kent
Install Syncthing on Ubuntu 16.04 using Debian Repository
Syncthing is a free continuous file synchronization tool that lets you synchronize your files across desktops, tablets, servers. It’s an open source alternative to the popular BitTorrent Sync (aka btsync) application. The creation, modification or deletion of files on one machine will automatically be replicated to your other devices. Syncthing…
Category : Servers 19-08-2016 by Janeth Kent
How to improve security in Firefox, Chrome, and IE
Malware is most likely to reach your computer via your browser, according to the most recent Microsoft Security Intelligence Report. (Credit: Microsoft Security Intelligence Report, Vol. 14) Like their counterparts in the real world, computer criminals are always looking for vulnerabilities they can exploit. Instead of an open window or unattended wallet,…
Category : Security 07-05-2013 by Janeth Kent
