Symbol Table is a data structure used to store key-value stores, it is used by every compiler for almost every phase of compilation, starting with lexical analysis and continuing with optimization. They are collection of key-value pairs, where we can insert a value with a specific key, and search for a value given it’s key. […]
Few months ago I was thinking about a security system for my car that will allow to receive notification when my car is parked near my house. Requirements where: minim 700m communication range power consumption as low as possible that will allow to run at least 10 days from car battery without discharging battery so […]
“Hash tables” are one type of data structure, they are good at storing data in sets made up of “keys” and “values”. As an example let’s imagine the data in the next table storead as an array: We prepare few boxes for the array and stored data in them. Next let’s imagine looking up Stefan’s […]
In video vorbesc despre tmux, sesiuni și sesiuni shared în tmux. Instalare tmux: apt install tmux Orice adresa către tmux începe cu: ctrl-b Comenzi utilizate: c – creare fereastra x – închidere fereastra , – redenumire fereatra o – navigare între ferestre ( care au fost create prin divizarea ferestrei curent split ) % – […]
I’m working as a developer for about 4 years, I have started by doing freelance in university ( I don’t count those years as years of experience – I was doing a lot of stuff with different technologies but didn’t used any of them deep ). I have read some books about programing, but in […]
About two years ago, with a team of great people, we have implemented a platform that facilitates access to information about private companies. Country, where we living, have limited access to public data or public information is not easily accessible. Also in our country are about 250 000 of private companies and until 2014 public […]
About 1 year ago I have published on github.com, the MetalIO project. It’s a project for enthusiasts who are passionated about home automation – you can write this project on a simple ESP8266 micro controller, do all the configuration from your mobile phone without need to install any special application. Also a very important aspect […]
În ultimii 3 ani lucrez la un soft pentru automatizarea lucrului în casele de expediții, modificările sunt testate în practică, multe cerințe au apărut în urma utilizării zilnice a softului de către persoane care fac expediții. Posibilitățile care le oferă sunt: – crearea unei comenzi de transport – generarea actelor – contractelor cu clientul și […]
In rusă se numește “Делительная головка”, în traducere ar fi “Cap de indexare”. Un dispozitiv care permite rotirea cu precizie a unui corp în jurul axei sale. Una din utilizări este crearea roților dințate. Aceasta versiunea fost creată de tata.
As a developer with an interest in security; every once in a while I learn of a new vulnerability that is so insidious and so clever it makes my hair stand on end. Today it’s timing attacks. This post oversimplifies many concepts. If security is an issue for your app (and if you handle client […]